/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 19:02:08,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 19:02:08,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 19:02:08,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 19:02:08,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 19:02:08,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 19:02:08,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 19:02:08,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 19:02:08,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 19:02:08,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 19:02:08,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 19:02:08,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 19:02:08,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 19:02:08,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 19:02:08,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 19:02:08,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 19:02:08,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 19:02:08,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 19:02:08,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 19:02:08,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 19:02:08,691 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 19:02:08,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 19:02:08,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 19:02:08,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 19:02:08,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 19:02:08,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-17 19:02:08,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-17 19:02:08,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-17 19:02:08,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-17 19:02:08,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-17 19:02:08,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-17 19:02:08,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-17 19:02:08,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-17 19:02:08,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-17 19:02:08,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-17 19:02:08,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-17 19:02:08,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-17 19:02:08,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-17 19:02:08,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-17 19:02:08,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 19:02:08,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 19:02:08,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 19:02:08,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-17 19:02:08,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 19:02:08,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 19:02:08,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 19:02:08,717 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-17 19:02:08,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 19:02:08,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-17 19:02:08,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 19:02:08,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 19:02:08,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 19:02:08,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 19:02:08,718 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-17 19:02:08,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 19:02:08,718 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 19:02:08,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 19:02:08,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 19:02:08,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 19:02:08,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-17 19:02:08,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 19:02:08,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:02:08,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 19:02:08,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 19:02:08,720 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 19:02:08,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 19:02:08,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 19:02:08,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 19:02:08,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 19:02:08,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 19:02:08,880 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 19:02:08,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c [2022-03-17 19:02:08,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cb122b3/e2499109e8e14271b4575af044aec8da/FLAG5841dc42d [2022-03-17 19:02:09,309 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 19:02:09,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c [2022-03-17 19:02:09,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cb122b3/e2499109e8e14271b4575af044aec8da/FLAG5841dc42d [2022-03-17 19:02:09,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cb122b3/e2499109e8e14271b4575af044aec8da [2022-03-17 19:02:09,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 19:02:09,662 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 19:02:09,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 19:02:09,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 19:02:09,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 19:02:09,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:02:09" (1/1) ... [2022-03-17 19:02:09,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fcaa582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:09, skipping insertion in model container [2022-03-17 19:02:09,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:02:09" (1/1) ... [2022-03-17 19:02:09,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 19:02:09,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 19:02:09,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c[75550,75563] [2022-03-17 19:02:09,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:02:09,998 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 19:02:10,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c[75550,75563] [2022-03-17 19:02:10,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:02:10,080 INFO L208 MainTranslator]: Completed translation [2022-03-17 19:02:10,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10 WrapperNode [2022-03-17 19:02:10,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 19:02:10,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 19:02:10,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 19:02:10,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 19:02:10,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 19:02:10,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 19:02:10,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 19:02:10,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 19:02:10,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (1/1) ... [2022-03-17 19:02:10,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:02:10,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 19:02:10,185 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) [2022-03-17 19:02:10,197 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 [2022-03-17 19:02:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 19:02:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 19:02:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 19:02:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-17 19:02:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-17 19:02:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 19:02:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-17 19:02:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-17 19:02:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-17 19:02:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-17 19:02:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 19:02:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 19:02:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 19:02:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 19:02:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-17 19:02:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-17 19:02:10,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-17 19:02:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-17 19:02:10,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 19:02:10,393 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 19:02:10,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 19:02:11,064 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 19:02:11,390 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-17 19:02:11,391 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-17 19:02:11,399 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 19:02:11,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 19:02:11,405 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-17 19:02:11,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:02:11 BoogieIcfgContainer [2022-03-17 19:02:11,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 19:02:11,407 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 19:02:11,407 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 19:02:11,408 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 19:02:11,409 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:02:11" (1/1) ... [2022-03-17 19:02:11,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 07:02:11 BasicIcfg [2022-03-17 19:02:11,440 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 19:02:11,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 19:02:11,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 19:02:11,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 19:02:11,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:02:09" (1/4) ... [2022-03-17 19:02:11,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7603f472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:02:11, skipping insertion in model container [2022-03-17 19:02:11,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:10" (2/4) ... [2022-03-17 19:02:11,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7603f472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:02:11, skipping insertion in model container [2022-03-17 19:02:11,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:02:11" (3/4) ... [2022-03-17 19:02:11,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7603f472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:02:11, skipping insertion in model container [2022-03-17 19:02:11,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 07:02:11" (4/4) ... [2022-03-17 19:02:11,445 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.15.i.cil-1.cJordan [2022-03-17 19:02:11,448 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-17 19:02:11,449 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 19:02:11,481 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 19:02:11,485 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 [2022-03-17 19:02:11,486 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 19:02:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 153 states have (on average 1.7124183006535947) internal successors, (262), 154 states have internal predecessors, (262), 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) [2022-03-17 19:02:11,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-17 19:02:11,512 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:11,512 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:11,513 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:11,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:11,518 INFO L85 PathProgramCache]: Analyzing trace with hash 588345913, now seen corresponding path program 1 times [2022-03-17 19:02:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:11,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341386993] [2022-03-17 19:02:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:11,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:11,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341386993] [2022-03-17 19:02:11,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341386993] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:11,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:11,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:11,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353740460] [2022-03-17 19:02:11,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:11,994 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:11,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:12,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:12,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:12,020 INFO L87 Difference]: Start difference. First operand has 161 states, 153 states have (on average 1.7124183006535947) internal successors, (262), 154 states have internal predecessors, (262), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:14,415 INFO L93 Difference]: Finished difference Result 291 states and 485 transitions. [2022-03-17 19:02:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:14,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 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 50 [2022-03-17 19:02:14,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:14,424 INFO L225 Difference]: With dead ends: 291 [2022-03-17 19:02:14,425 INFO L226 Difference]: Without dead ends: 265 [2022-03-17 19:02:14,426 INFO L911 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 [2022-03-17 19:02:14,428 INFO L912 BasicCegarLoop]: 164 mSDtfsCounter, 156 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:14,428 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 481 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-17 19:02:14,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-03-17 19:02:14,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 185. [2022-03-17 19:02:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 180 states have (on average 1.6111111111111112) internal successors, (290), 180 states have internal predecessors, (290), 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) [2022-03-17 19:02:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 294 transitions. [2022-03-17 19:02:14,464 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 294 transitions. Word has length 50 [2022-03-17 19:02:14,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:14,464 INFO L478 AbstractCegarLoop]: Abstraction has 185 states and 294 transitions. [2022-03-17 19:02:14,464 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:14,464 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 294 transitions. [2022-03-17 19:02:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-03-17 19:02:14,466 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:14,466 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:14,466 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 19:02:14,466 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:14,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1971108142, now seen corresponding path program 1 times [2022-03-17 19:02:14,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:14,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459963967] [2022-03-17 19:02:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:14,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:14,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:14,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459963967] [2022-03-17 19:02:14,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459963967] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:14,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:14,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:14,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558848659] [2022-03-17 19:02:14,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:14,617 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:14,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:14,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:14,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:14,618 INFO L87 Difference]: Start difference. First operand 185 states and 294 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:18,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:18,064 INFO L93 Difference]: Finished difference Result 213 states and 334 transitions. [2022-03-17 19:02:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:18,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 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 51 [2022-03-17 19:02:18,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:18,065 INFO L225 Difference]: With dead ends: 213 [2022-03-17 19:02:18,065 INFO L226 Difference]: Without dead ends: 213 [2022-03-17 19:02:18,066 INFO L911 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 [2022-03-17 19:02:18,066 INFO L912 BasicCegarLoop]: 192 mSDtfsCounter, 22 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:18,067 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 499 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-03-17 19:02:18,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-03-17 19:02:18,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 196. [2022-03-17 19:02:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 191 states have (on average 1.617801047120419) internal successors, (309), 191 states have internal predecessors, (309), 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) [2022-03-17 19:02:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 313 transitions. [2022-03-17 19:02:18,074 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 313 transitions. Word has length 51 [2022-03-17 19:02:18,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:18,075 INFO L478 AbstractCegarLoop]: Abstraction has 196 states and 313 transitions. [2022-03-17 19:02:18,075 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 313 transitions. [2022-03-17 19:02:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-17 19:02:18,076 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:18,076 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:18,076 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 19:02:18,077 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:18,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:18,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1308484506, now seen corresponding path program 1 times [2022-03-17 19:02:18,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:18,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495105910] [2022-03-17 19:02:18,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:18,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:18,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:18,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495105910] [2022-03-17 19:02:18,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495105910] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:18,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:18,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:18,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217924642] [2022-03-17 19:02:18,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:18,181 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:18,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:18,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:18,182 INFO L87 Difference]: Start difference. First operand 196 states and 313 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:20,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:20,459 INFO L93 Difference]: Finished difference Result 213 states and 333 transitions. [2022-03-17 19:02:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:20,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-03-17 19:02:20,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:20,461 INFO L225 Difference]: With dead ends: 213 [2022-03-17 19:02:20,461 INFO L226 Difference]: Without dead ends: 213 [2022-03-17 19:02:20,461 INFO L911 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 [2022-03-17 19:02:20,462 INFO L912 BasicCegarLoop]: 193 mSDtfsCounter, 24 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:20,462 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 501 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-17 19:02:20,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-03-17 19:02:20,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 196. [2022-03-17 19:02:20,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 191 states have (on average 1.612565445026178) internal successors, (308), 191 states have internal predecessors, (308), 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) [2022-03-17 19:02:20,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 312 transitions. [2022-03-17 19:02:20,468 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 312 transitions. Word has length 64 [2022-03-17 19:02:20,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:20,469 INFO L478 AbstractCegarLoop]: Abstraction has 196 states and 312 transitions. [2022-03-17 19:02:20,469 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:20,469 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 312 transitions. [2022-03-17 19:02:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-17 19:02:20,470 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:20,470 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:20,470 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-17 19:02:20,471 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:20,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:20,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1918189260, now seen corresponding path program 1 times [2022-03-17 19:02:20,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:20,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777520119] [2022-03-17 19:02:20,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:20,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:20,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:20,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777520119] [2022-03-17 19:02:20,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777520119] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:20,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:20,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:20,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496634856] [2022-03-17 19:02:20,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:20,564 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:20,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:20,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:20,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:20,564 INFO L87 Difference]: Start difference. First operand 196 states and 312 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:22,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:22,646 INFO L93 Difference]: Finished difference Result 212 states and 331 transitions. [2022-03-17 19:02:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:22,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-03-17 19:02:22,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:22,647 INFO L225 Difference]: With dead ends: 212 [2022-03-17 19:02:22,647 INFO L226 Difference]: Without dead ends: 212 [2022-03-17 19:02:22,647 INFO L911 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 [2022-03-17 19:02:22,648 INFO L912 BasicCegarLoop]: 194 mSDtfsCounter, 28 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:22,648 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 503 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-17 19:02:22,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-03-17 19:02:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 196. [2022-03-17 19:02:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 191 states have (on average 1.6073298429319371) internal successors, (307), 191 states have internal predecessors, (307), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 311 transitions. [2022-03-17 19:02:22,659 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 311 transitions. Word has length 65 [2022-03-17 19:02:22,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:22,660 INFO L478 AbstractCegarLoop]: Abstraction has 196 states and 311 transitions. [2022-03-17 19:02:22,660 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 311 transitions. [2022-03-17 19:02:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-17 19:02:22,661 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:22,661 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:22,661 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-17 19:02:22,661 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:22,662 INFO L85 PathProgramCache]: Analyzing trace with hash -956367596, now seen corresponding path program 1 times [2022-03-17 19:02:22,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:22,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010282128] [2022-03-17 19:02:22,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:22,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:22,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:22,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010282128] [2022-03-17 19:02:22,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010282128] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:22,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:22,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:22,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463836711] [2022-03-17 19:02:22,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:22,805 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:22,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:22,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:22,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:22,805 INFO L87 Difference]: Start difference. First operand 196 states and 311 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:25,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:25,460 INFO L93 Difference]: Finished difference Result 315 states and 494 transitions. [2022-03-17 19:02:25,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:25,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-03-17 19:02:25,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:25,461 INFO L225 Difference]: With dead ends: 315 [2022-03-17 19:02:25,461 INFO L226 Difference]: Without dead ends: 315 [2022-03-17 19:02:25,462 INFO L911 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 [2022-03-17 19:02:25,462 INFO L912 BasicCegarLoop]: 124 mSDtfsCounter, 151 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:25,462 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 362 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-03-17 19:02:25,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-03-17 19:02:25,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 208. [2022-03-17 19:02:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.5911330049261083) internal successors, (323), 203 states have internal predecessors, (323), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 327 transitions. [2022-03-17 19:02:25,468 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 327 transitions. Word has length 65 [2022-03-17 19:02:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:25,468 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 327 transitions. [2022-03-17 19:02:25,468 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 327 transitions. [2022-03-17 19:02:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-17 19:02:25,469 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:25,469 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:25,469 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-17 19:02:25,469 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:25,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 631343316, now seen corresponding path program 1 times [2022-03-17 19:02:25,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:25,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340909340] [2022-03-17 19:02:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:25,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:25,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340909340] [2022-03-17 19:02:25,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340909340] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:25,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:25,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:25,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218850251] [2022-03-17 19:02:25,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:25,553 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:25,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:25,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:25,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:25,554 INFO L87 Difference]: Start difference. First operand 208 states and 327 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:27,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:29,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:29,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:29,826 INFO L93 Difference]: Finished difference Result 222 states and 344 transitions. [2022-03-17 19:02:29,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:29,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-03-17 19:02:29,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:29,827 INFO L225 Difference]: With dead ends: 222 [2022-03-17 19:02:29,827 INFO L226 Difference]: Without dead ends: 222 [2022-03-17 19:02:29,827 INFO L911 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 [2022-03-17 19:02:29,828 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 20 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:29,828 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 507 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-03-17 19:02:29,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-03-17 19:02:29,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 208. [2022-03-17 19:02:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.5862068965517242) internal successors, (322), 203 states have internal predecessors, (322), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 326 transitions. [2022-03-17 19:02:29,832 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 326 transitions. Word has length 65 [2022-03-17 19:02:29,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:29,832 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 326 transitions. [2022-03-17 19:02:29,833 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 326 transitions. [2022-03-17 19:02:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-17 19:02:29,833 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:29,833 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:29,833 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-17 19:02:29,834 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:29,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:29,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1301074508, now seen corresponding path program 1 times [2022-03-17 19:02:29,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:29,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520583034] [2022-03-17 19:02:29,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:29,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:29,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:29,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520583034] [2022-03-17 19:02:29,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520583034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:29,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:29,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:29,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122279366] [2022-03-17 19:02:29,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:29,916 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:29,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:29,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:29,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:29,916 INFO L87 Difference]: Start difference. First operand 208 states and 326 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:32,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:32,444 INFO L93 Difference]: Finished difference Result 314 states and 489 transitions. [2022-03-17 19:02:32,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:32,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-03-17 19:02:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:32,446 INFO L225 Difference]: With dead ends: 314 [2022-03-17 19:02:32,446 INFO L226 Difference]: Without dead ends: 314 [2022-03-17 19:02:32,446 INFO L911 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 [2022-03-17 19:02:32,447 INFO L912 BasicCegarLoop]: 125 mSDtfsCounter, 144 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:32,447 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 364 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-17 19:02:32,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-03-17 19:02:32,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 214. [2022-03-17 19:02:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.5837320574162679) internal successors, (331), 209 states have internal predecessors, (331), 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) [2022-03-17 19:02:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 335 transitions. [2022-03-17 19:02:32,451 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 335 transitions. Word has length 65 [2022-03-17 19:02:32,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:32,451 INFO L478 AbstractCegarLoop]: Abstraction has 214 states and 335 transitions. [2022-03-17 19:02:32,451 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:32,451 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 335 transitions. [2022-03-17 19:02:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-17 19:02:32,471 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:32,471 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:32,472 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-17 19:02:32,472 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1470127014, now seen corresponding path program 1 times [2022-03-17 19:02:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:32,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988217836] [2022-03-17 19:02:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:32,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:32,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:32,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988217836] [2022-03-17 19:02:32,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988217836] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:32,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:32,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:32,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453445755] [2022-03-17 19:02:32,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:32,574 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:32,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:32,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:32,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:32,574 INFO L87 Difference]: Start difference. First operand 214 states and 335 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:35,476 INFO L93 Difference]: Finished difference Result 227 states and 351 transitions. [2022-03-17 19:02:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:35,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-03-17 19:02:35,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:35,477 INFO L225 Difference]: With dead ends: 227 [2022-03-17 19:02:35,477 INFO L226 Difference]: Without dead ends: 227 [2022-03-17 19:02:35,477 INFO L911 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 [2022-03-17 19:02:35,478 INFO L912 BasicCegarLoop]: 197 mSDtfsCounter, 22 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:35,478 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 509 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-03-17 19:02:35,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-03-17 19:02:35,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 214. [2022-03-17 19:02:35,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.5789473684210527) internal successors, (330), 209 states have internal predecessors, (330), 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) [2022-03-17 19:02:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 334 transitions. [2022-03-17 19:02:35,483 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 334 transitions. Word has length 66 [2022-03-17 19:02:35,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:35,484 INFO L478 AbstractCegarLoop]: Abstraction has 214 states and 334 transitions. [2022-03-17 19:02:35,484 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 334 transitions. [2022-03-17 19:02:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-17 19:02:35,484 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:35,485 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:35,487 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-17 19:02:35,487 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:35,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:35,487 INFO L85 PathProgramCache]: Analyzing trace with hash -633442992, now seen corresponding path program 1 times [2022-03-17 19:02:35,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:35,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494898761] [2022-03-17 19:02:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:35,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:35,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:35,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494898761] [2022-03-17 19:02:35,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494898761] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:35,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:35,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:35,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873687342] [2022-03-17 19:02:35,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:35,588 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:35,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:35,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:35,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:35,588 INFO L87 Difference]: Start difference. First operand 214 states and 334 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:37,596 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 [] [2022-03-17 19:02:38,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:38,093 INFO L93 Difference]: Finished difference Result 314 states and 485 transitions. [2022-03-17 19:02:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:38,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-03-17 19:02:38,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:38,094 INFO L225 Difference]: With dead ends: 314 [2022-03-17 19:02:38,094 INFO L226 Difference]: Without dead ends: 314 [2022-03-17 19:02:38,095 INFO L911 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 [2022-03-17 19:02:38,095 INFO L912 BasicCegarLoop]: 125 mSDtfsCounter, 147 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:38,095 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 364 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-17 19:02:38,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-03-17 19:02:38,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 214. [2022-03-17 19:02:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.5645933014354068) internal successors, (327), 209 states have internal predecessors, (327), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 331 transitions. [2022-03-17 19:02:38,100 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 331 transitions. Word has length 67 [2022-03-17 19:02:38,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:38,101 INFO L478 AbstractCegarLoop]: Abstraction has 214 states and 331 transitions. [2022-03-17 19:02:38,101 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 331 transitions. [2022-03-17 19:02:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-17 19:02:38,102 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:38,102 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:38,102 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-17 19:02:38,102 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:38,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:38,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1852266313, now seen corresponding path program 1 times [2022-03-17 19:02:38,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:38,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405786399] [2022-03-17 19:02:38,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:38,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:38,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:38,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:38,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405786399] [2022-03-17 19:02:38,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405786399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:38,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:38,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:38,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512109057] [2022-03-17 19:02:38,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:38,200 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:38,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:38,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:38,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:38,201 INFO L87 Difference]: Start difference. First operand 214 states and 331 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:40,208 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 [] [2022-03-17 19:02:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:40,640 INFO L93 Difference]: Finished difference Result 314 states and 482 transitions. [2022-03-17 19:02:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:40,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-03-17 19:02:40,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:40,641 INFO L225 Difference]: With dead ends: 314 [2022-03-17 19:02:40,641 INFO L226 Difference]: Without dead ends: 314 [2022-03-17 19:02:40,642 INFO L911 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 [2022-03-17 19:02:40,642 INFO L912 BasicCegarLoop]: 125 mSDtfsCounter, 145 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:40,642 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 364 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-17 19:02:40,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-03-17 19:02:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 214. [2022-03-17 19:02:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.5502392344497609) internal successors, (324), 209 states have internal predecessors, (324), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 328 transitions. [2022-03-17 19:02:40,646 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 328 transitions. Word has length 68 [2022-03-17 19:02:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:40,646 INFO L478 AbstractCegarLoop]: Abstraction has 214 states and 328 transitions. [2022-03-17 19:02:40,646 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 328 transitions. [2022-03-17 19:02:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-17 19:02:40,647 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:40,647 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:40,647 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-17 19:02:40,647 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:40,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash 416669672, now seen corresponding path program 1 times [2022-03-17 19:02:40,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:40,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646455311] [2022-03-17 19:02:40,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:40,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:40,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646455311] [2022-03-17 19:02:40,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646455311] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:40,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:40,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:40,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365787132] [2022-03-17 19:02:40,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:40,746 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:40,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:40,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:40,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:40,747 INFO L87 Difference]: Start difference. First operand 214 states and 328 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:43,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:44,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:44,351 INFO L93 Difference]: Finished difference Result 256 states and 388 transitions. [2022-03-17 19:02:44,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:44,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-03-17 19:02:44,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:44,352 INFO L225 Difference]: With dead ends: 256 [2022-03-17 19:02:44,352 INFO L226 Difference]: Without dead ends: 256 [2022-03-17 19:02:44,352 INFO L911 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 [2022-03-17 19:02:44,353 INFO L912 BasicCegarLoop]: 201 mSDtfsCounter, 30 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:44,353 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 523 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-03-17 19:02:44,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-03-17 19:02:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 236. [2022-03-17 19:02:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 231 states have (on average 1.5497835497835497) internal successors, (358), 231 states have internal predecessors, (358), 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) [2022-03-17 19:02:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 362 transitions. [2022-03-17 19:02:44,357 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 362 transitions. Word has length 68 [2022-03-17 19:02:44,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:44,357 INFO L478 AbstractCegarLoop]: Abstraction has 236 states and 362 transitions. [2022-03-17 19:02:44,357 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 362 transitions. [2022-03-17 19:02:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-17 19:02:44,359 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:44,359 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:44,359 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-17 19:02:44,359 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:44,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1437140192, now seen corresponding path program 1 times [2022-03-17 19:02:44,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:44,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528868795] [2022-03-17 19:02:44,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:44,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:44,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:44,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:44,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528868795] [2022-03-17 19:02:44,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528868795] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:44,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:44,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:44,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682220419] [2022-03-17 19:02:44,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:44,462 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:44,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:44,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:44,462 INFO L87 Difference]: Start difference. First operand 236 states and 362 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:46,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:48,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:49,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:49,596 INFO L93 Difference]: Finished difference Result 375 states and 581 transitions. [2022-03-17 19:02:49,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:49,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2022-03-17 19:02:49,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:49,598 INFO L225 Difference]: With dead ends: 375 [2022-03-17 19:02:49,598 INFO L226 Difference]: Without dead ends: 375 [2022-03-17 19:02:49,598 INFO L911 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 [2022-03-17 19:02:49,598 INFO L912 BasicCegarLoop]: 245 mSDtfsCounter, 144 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:49,599 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 604 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 604 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-03-17 19:02:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-03-17 19:02:49,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 252. [2022-03-17 19:02:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 247 states have (on average 1.534412955465587) internal successors, (379), 247 states have internal predecessors, (379), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 383 transitions. [2022-03-17 19:02:49,603 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 383 transitions. Word has length 81 [2022-03-17 19:02:49,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:49,603 INFO L478 AbstractCegarLoop]: Abstraction has 252 states and 383 transitions. [2022-03-17 19:02:49,603 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 383 transitions. [2022-03-17 19:02:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-17 19:02:49,604 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:49,604 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:49,604 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-17 19:02:49,604 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:49,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:49,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1133208978, now seen corresponding path program 1 times [2022-03-17 19:02:49,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:49,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128208221] [2022-03-17 19:02:49,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:49,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-17 19:02:49,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:49,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128208221] [2022-03-17 19:02:49,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128208221] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:49,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:49,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:49,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843916589] [2022-03-17 19:02:49,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:49,696 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:49,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:49,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:49,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:49,696 INFO L87 Difference]: Start difference. First operand 252 states and 383 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:51,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:53,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:54,273 INFO L93 Difference]: Finished difference Result 265 states and 398 transitions. [2022-03-17 19:02:54,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:54,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2022-03-17 19:02:54,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:54,274 INFO L225 Difference]: With dead ends: 265 [2022-03-17 19:02:54,275 INFO L226 Difference]: Without dead ends: 265 [2022-03-17 19:02:54,275 INFO L911 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 [2022-03-17 19:02:54,275 INFO L912 BasicCegarLoop]: 235 mSDtfsCounter, 19 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:54,275 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 590 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-03-17 19:02:54,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-03-17 19:02:54,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 252. [2022-03-17 19:02:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 247 states have (on average 1.5303643724696356) internal successors, (378), 247 states have internal predecessors, (378), 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) [2022-03-17 19:02:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 382 transitions. [2022-03-17 19:02:54,279 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 382 transitions. Word has length 82 [2022-03-17 19:02:54,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:54,280 INFO L478 AbstractCegarLoop]: Abstraction has 252 states and 382 transitions. [2022-03-17 19:02:54,280 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 382 transitions. [2022-03-17 19:02:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-17 19:02:54,280 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:54,281 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:54,281 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-17 19:02:54,281 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:54,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:54,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1416323598, now seen corresponding path program 1 times [2022-03-17 19:02:54,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:54,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430047627] [2022-03-17 19:02:54,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:54,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:54,406 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:02:54,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:54,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430047627] [2022-03-17 19:02:54,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430047627] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:54,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:54,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:02:54,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968081425] [2022-03-17 19:02:54,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:54,407 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:02:54,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:54,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:02:54,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:02:54,407 INFO L87 Difference]: Start difference. First operand 252 states and 382 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:57,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:58,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:02:59,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:02:59,351 INFO L93 Difference]: Finished difference Result 352 states and 533 transitions. [2022-03-17 19:02:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:02:59,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2022-03-17 19:02:59,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:02:59,352 INFO L225 Difference]: With dead ends: 352 [2022-03-17 19:02:59,353 INFO L226 Difference]: Without dead ends: 352 [2022-03-17 19:02:59,353 INFO L911 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 [2022-03-17 19:02:59,353 INFO L912 BasicCegarLoop]: 125 mSDtfsCounter, 143 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:02:59,353 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 364 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 481 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-03-17 19:02:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-03-17 19:02:59,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 252. [2022-03-17 19:02:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 247 states have (on average 1.5182186234817814) internal successors, (375), 247 states have internal predecessors, (375), 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) [2022-03-17 19:02:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 379 transitions. [2022-03-17 19:02:59,357 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 379 transitions. Word has length 82 [2022-03-17 19:02:59,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:02:59,358 INFO L478 AbstractCegarLoop]: Abstraction has 252 states and 379 transitions. [2022-03-17 19:02:59,358 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:02:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 379 transitions. [2022-03-17 19:02:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-03-17 19:02:59,358 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:02:59,358 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:02:59,359 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-17 19:02:59,359 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:02:59,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:02:59,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1457894331, now seen corresponding path program 1 times [2022-03-17 19:02:59,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:02:59,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040203859] [2022-03-17 19:02:59,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:02:59,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:02:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:02:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:02:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-17 19:02:59,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:02:59,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040203859] [2022-03-17 19:02:59,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040203859] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:02:59,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:02:59,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-17 19:02:59,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308389664] [2022-03-17 19:02:59,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:02:59,460 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-17 19:02:59,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:02:59,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-17 19:02:59,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-17 19:02:59,461 INFO L87 Difference]: Start difference. First operand 252 states and 379 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:03,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:03,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:03,817 INFO L93 Difference]: Finished difference Result 261 states and 390 transitions. [2022-03-17 19:03:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 19:03:03,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-03-17 19:03:03,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:03,818 INFO L225 Difference]: With dead ends: 261 [2022-03-17 19:03:03,818 INFO L226 Difference]: Without dead ends: 261 [2022-03-17 19:03:03,818 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-17 19:03:03,819 INFO L912 BasicCegarLoop]: 209 mSDtfsCounter, 3 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:03,819 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 657 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-03-17 19:03:03,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-03-17 19:03:03,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-03-17 19:03:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.5078125) internal successors, (386), 256 states have internal predecessors, (386), 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) [2022-03-17 19:03:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 390 transitions. [2022-03-17 19:03:03,822 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 390 transitions. Word has length 83 [2022-03-17 19:03:03,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:03,823 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 390 transitions. [2022-03-17 19:03:03,823 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:03,823 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 390 transitions. [2022-03-17 19:03:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-17 19:03:03,823 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:03,823 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:03,823 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-17 19:03:03,824 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:03,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:03,824 INFO L85 PathProgramCache]: Analyzing trace with hash -565644653, now seen corresponding path program 1 times [2022-03-17 19:03:03,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:03,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490925203] [2022-03-17 19:03:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:03,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:03:03,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:03,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490925203] [2022-03-17 19:03:03,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490925203] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:03,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:03,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:03,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834542103] [2022-03-17 19:03:03,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:03,910 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:03,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:03,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:03,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:03,911 INFO L87 Difference]: Start difference. First operand 261 states and 390 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:06,563 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 [] [2022-03-17 19:03:07,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:08,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:08,546 INFO L93 Difference]: Finished difference Result 360 states and 538 transitions. [2022-03-17 19:03:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:08,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-03-17 19:03:08,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:08,547 INFO L225 Difference]: With dead ends: 360 [2022-03-17 19:03:08,547 INFO L226 Difference]: Without dead ends: 360 [2022-03-17 19:03:08,547 INFO L911 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 [2022-03-17 19:03:08,548 INFO L912 BasicCegarLoop]: 126 mSDtfsCounter, 145 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:08,548 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 366 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 479 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-03-17 19:03:08,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-03-17 19:03:08,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 261. [2022-03-17 19:03:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.4921875) internal successors, (382), 256 states have internal predecessors, (382), 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) [2022-03-17 19:03:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 386 transitions. [2022-03-17 19:03:08,552 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 386 transitions. Word has length 84 [2022-03-17 19:03:08,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:08,552 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 386 transitions. [2022-03-17 19:03:08,552 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 386 transitions. [2022-03-17 19:03:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-03-17 19:03:08,553 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:08,553 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:08,553 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-17 19:03:08,553 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:08,553 INFO L85 PathProgramCache]: Analyzing trace with hash 681592199, now seen corresponding path program 1 times [2022-03-17 19:03:08,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:08,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567537430] [2022-03-17 19:03:08,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:08,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 19:03:08,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:08,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567537430] [2022-03-17 19:03:08,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567537430] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:08,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:08,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:08,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151738343] [2022-03-17 19:03:08,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:08,677 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:08,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:08,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:08,677 INFO L87 Difference]: Start difference. First operand 261 states and 386 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:10,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:11,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:12,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:12,537 INFO L93 Difference]: Finished difference Result 358 states and 530 transitions. [2022-03-17 19:03:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:12,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2022-03-17 19:03:12,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:12,539 INFO L225 Difference]: With dead ends: 358 [2022-03-17 19:03:12,539 INFO L226 Difference]: Without dead ends: 358 [2022-03-17 19:03:12,539 INFO L911 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 [2022-03-17 19:03:12,540 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 80 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:12,540 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 513 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-03-17 19:03:12,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-03-17 19:03:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 303. [2022-03-17 19:03:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 298 states have (on average 1.5100671140939597) internal successors, (450), 298 states have internal predecessors, (450), 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) [2022-03-17 19:03:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 454 transitions. [2022-03-17 19:03:12,544 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 454 transitions. Word has length 90 [2022-03-17 19:03:12,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:12,544 INFO L478 AbstractCegarLoop]: Abstraction has 303 states and 454 transitions. [2022-03-17 19:03:12,544 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 454 transitions. [2022-03-17 19:03:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-03-17 19:03:12,545 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:12,545 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:12,545 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-17 19:03:12,545 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash 805665446, now seen corresponding path program 1 times [2022-03-17 19:03:12,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:12,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860071524] [2022-03-17 19:03:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:12,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 19:03:12,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:12,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860071524] [2022-03-17 19:03:12,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860071524] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:12,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:12,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:12,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730551306] [2022-03-17 19:03:12,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:12,645 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:12,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:12,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:12,646 INFO L87 Difference]: Start difference. First operand 303 states and 454 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:14,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:15,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:17,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:18,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:18,358 INFO L93 Difference]: Finished difference Result 402 states and 605 transitions. [2022-03-17 19:03:18,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:18,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2022-03-17 19:03:18,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:18,359 INFO L225 Difference]: With dead ends: 402 [2022-03-17 19:03:18,360 INFO L226 Difference]: Without dead ends: 402 [2022-03-17 19:03:18,360 INFO L911 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 [2022-03-17 19:03:18,360 INFO L912 BasicCegarLoop]: 137 mSDtfsCounter, 117 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:18,360 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 388 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-03-17 19:03:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-03-17 19:03:18,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 283. [2022-03-17 19:03:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 278 states have (on average 1.5287769784172662) internal successors, (425), 278 states have internal predecessors, (425), 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) [2022-03-17 19:03:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 429 transitions. [2022-03-17 19:03:18,365 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 429 transitions. Word has length 90 [2022-03-17 19:03:18,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:18,365 INFO L478 AbstractCegarLoop]: Abstraction has 283 states and 429 transitions. [2022-03-17 19:03:18,365 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 429 transitions. [2022-03-17 19:03:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-17 19:03:18,366 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:18,366 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:18,366 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-17 19:03:18,366 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:18,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1821101810, now seen corresponding path program 1 times [2022-03-17 19:03:18,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:18,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069859962] [2022-03-17 19:03:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:18,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 19:03:18,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:18,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069859962] [2022-03-17 19:03:18,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069859962] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:18,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:18,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:18,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614025452] [2022-03-17 19:03:18,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:18,456 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:18,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:18,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:18,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:18,457 INFO L87 Difference]: Start difference. First operand 283 states and 429 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:21,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:22,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:23,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:23,103 INFO L93 Difference]: Finished difference Result 377 states and 568 transitions. [2022-03-17 19:03:23,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:23,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-03-17 19:03:23,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:23,104 INFO L225 Difference]: With dead ends: 377 [2022-03-17 19:03:23,104 INFO L226 Difference]: Without dead ends: 377 [2022-03-17 19:03:23,105 INFO L911 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 [2022-03-17 19:03:23,105 INFO L912 BasicCegarLoop]: 199 mSDtfsCounter, 86 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:23,105 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 519 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-03-17 19:03:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-03-17 19:03:23,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 317. [2022-03-17 19:03:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 312 states have (on average 1.5320512820512822) internal successors, (478), 312 states have internal predecessors, (478), 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) [2022-03-17 19:03:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 482 transitions. [2022-03-17 19:03:23,109 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 482 transitions. Word has length 118 [2022-03-17 19:03:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:23,110 INFO L478 AbstractCegarLoop]: Abstraction has 317 states and 482 transitions. [2022-03-17 19:03:23,110 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 482 transitions. [2022-03-17 19:03:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-17 19:03:23,110 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:23,111 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:23,111 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-17 19:03:23,111 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:23,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:23,111 INFO L85 PathProgramCache]: Analyzing trace with hash -866872915, now seen corresponding path program 1 times [2022-03-17 19:03:23,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:23,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565547476] [2022-03-17 19:03:23,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:23,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-17 19:03:23,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:23,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565547476] [2022-03-17 19:03:23,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565547476] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:23,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:23,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592539298] [2022-03-17 19:03:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:23,228 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:23,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:23,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:23,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:23,228 INFO L87 Difference]: Start difference. First operand 317 states and 482 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:25,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:27,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:28,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:28,103 INFO L93 Difference]: Finished difference Result 362 states and 544 transitions. [2022-03-17 19:03:28,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:28,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-03-17 19:03:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:28,104 INFO L225 Difference]: With dead ends: 362 [2022-03-17 19:03:28,104 INFO L226 Difference]: Without dead ends: 362 [2022-03-17 19:03:28,105 INFO L911 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 [2022-03-17 19:03:28,105 INFO L912 BasicCegarLoop]: 247 mSDtfsCounter, 32 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:28,105 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 613 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 458 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-03-17 19:03:28,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-03-17 19:03:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 341. [2022-03-17 19:03:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 336 states have (on average 1.5267857142857142) internal successors, (513), 336 states have internal predecessors, (513), 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) [2022-03-17 19:03:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 517 transitions. [2022-03-17 19:03:28,110 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 517 transitions. Word has length 118 [2022-03-17 19:03:28,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:28,110 INFO L478 AbstractCegarLoop]: Abstraction has 341 states and 517 transitions. [2022-03-17 19:03:28,110 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 517 transitions. [2022-03-17 19:03:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-03-17 19:03:28,111 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:28,111 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:28,111 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-17 19:03:28,111 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:28,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:28,111 INFO L85 PathProgramCache]: Analyzing trace with hash 590170977, now seen corresponding path program 1 times [2022-03-17 19:03:28,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:28,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151375614] [2022-03-17 19:03:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:28,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-03-17 19:03:28,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:28,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151375614] [2022-03-17 19:03:28,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151375614] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:28,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:28,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:28,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209782080] [2022-03-17 19:03:28,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:28,197 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:28,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:28,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:28,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:28,198 INFO L87 Difference]: Start difference. First operand 341 states and 517 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:30,957 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 [] [2022-03-17 19:03:31,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:31,993 INFO L93 Difference]: Finished difference Result 348 states and 526 transitions. [2022-03-17 19:03:31,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:31,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-03-17 19:03:31,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:31,995 INFO L225 Difference]: With dead ends: 348 [2022-03-17 19:03:31,995 INFO L226 Difference]: Without dead ends: 348 [2022-03-17 19:03:31,995 INFO L911 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 [2022-03-17 19:03:31,996 INFO L912 BasicCegarLoop]: 212 mSDtfsCounter, 30 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:31,996 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 543 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 380 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-03-17 19:03:31,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-03-17 19:03:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 341. [2022-03-17 19:03:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 336 states have (on average 1.5238095238095237) internal successors, (512), 336 states have internal predecessors, (512), 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) [2022-03-17 19:03:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 516 transitions. [2022-03-17 19:03:32,000 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 516 transitions. Word has length 123 [2022-03-17 19:03:32,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:32,000 INFO L478 AbstractCegarLoop]: Abstraction has 341 states and 516 transitions. [2022-03-17 19:03:32,000 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:32,000 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 516 transitions. [2022-03-17 19:03:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-03-17 19:03:32,001 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:32,001 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:32,001 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-17 19:03:32,001 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:32,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:32,002 INFO L85 PathProgramCache]: Analyzing trace with hash 52353177, now seen corresponding path program 1 times [2022-03-17 19:03:32,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:32,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990760244] [2022-03-17 19:03:32,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:32,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 19:03:32,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:32,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990760244] [2022-03-17 19:03:32,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990760244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:32,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:32,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:32,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112729412] [2022-03-17 19:03:32,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:32,091 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:32,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:32,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:32,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:32,092 INFO L87 Difference]: Start difference. First operand 341 states and 516 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:33,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:35,791 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 [] [2022-03-17 19:03:36,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:36,408 INFO L93 Difference]: Finished difference Result 458 states and 688 transitions. [2022-03-17 19:03:36,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:36,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-03-17 19:03:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:36,410 INFO L225 Difference]: With dead ends: 458 [2022-03-17 19:03:36,410 INFO L226 Difference]: Without dead ends: 458 [2022-03-17 19:03:36,410 INFO L911 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 [2022-03-17 19:03:36,410 INFO L912 BasicCegarLoop]: 125 mSDtfsCounter, 119 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:36,411 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 364 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 479 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-03-17 19:03:36,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-03-17 19:03:36,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2022-03-17 19:03:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 373 states have (on average 1.5335120643431635) internal successors, (572), 373 states have internal predecessors, (572), 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) [2022-03-17 19:03:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 576 transitions. [2022-03-17 19:03:36,415 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 576 transitions. Word has length 123 [2022-03-17 19:03:36,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:36,415 INFO L478 AbstractCegarLoop]: Abstraction has 378 states and 576 transitions. [2022-03-17 19:03:36,416 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 576 transitions. [2022-03-17 19:03:36,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-17 19:03:36,416 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:36,416 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:36,416 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-17 19:03:36,417 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash -857753857, now seen corresponding path program 1 times [2022-03-17 19:03:36,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:36,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397300560] [2022-03-17 19:03:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:36,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 19:03:36,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:36,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397300560] [2022-03-17 19:03:36,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397300560] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:36,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:36,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:36,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924739278] [2022-03-17 19:03:36,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:36,504 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:36,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:36,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:36,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:36,505 INFO L87 Difference]: Start difference. First operand 378 states and 576 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:38,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:39,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:39,920 INFO L93 Difference]: Finished difference Result 436 states and 658 transitions. [2022-03-17 19:03:39,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:39,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 124 [2022-03-17 19:03:39,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:39,922 INFO L225 Difference]: With dead ends: 436 [2022-03-17 19:03:39,922 INFO L226 Difference]: Without dead ends: 436 [2022-03-17 19:03:39,922 INFO L911 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 [2022-03-17 19:03:39,922 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 77 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:39,922 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 495 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-03-17 19:03:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-03-17 19:03:39,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 384. [2022-03-17 19:03:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.5356200527704484) internal successors, (582), 379 states have internal predecessors, (582), 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) [2022-03-17 19:03:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 586 transitions. [2022-03-17 19:03:39,927 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 586 transitions. Word has length 124 [2022-03-17 19:03:39,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:39,927 INFO L478 AbstractCegarLoop]: Abstraction has 384 states and 586 transitions. [2022-03-17 19:03:39,927 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 586 transitions. [2022-03-17 19:03:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-17 19:03:39,928 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:39,928 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:39,928 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-17 19:03:39,928 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:39,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:39,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1073496446, now seen corresponding path program 1 times [2022-03-17 19:03:39,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:39,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271336419] [2022-03-17 19:03:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:39,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 19:03:40,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:40,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271336419] [2022-03-17 19:03:40,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271336419] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:40,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:40,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:40,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96385427] [2022-03-17 19:03:40,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:40,016 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:40,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:40,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:40,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:40,016 INFO L87 Difference]: Start difference. First operand 384 states and 586 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:43,083 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 [] [2022-03-17 19:03:44,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:44,408 INFO L93 Difference]: Finished difference Result 427 states and 642 transitions. [2022-03-17 19:03:44,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:44,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-03-17 19:03:44,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:44,409 INFO L225 Difference]: With dead ends: 427 [2022-03-17 19:03:44,409 INFO L226 Difference]: Without dead ends: 427 [2022-03-17 19:03:44,410 INFO L911 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 [2022-03-17 19:03:44,410 INFO L912 BasicCegarLoop]: 190 mSDtfsCounter, 59 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:44,410 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 501 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 502 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-03-17 19:03:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-03-17 19:03:44,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 387. [2022-03-17 19:03:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 382 states have (on average 1.531413612565445) internal successors, (585), 382 states have internal predecessors, (585), 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) [2022-03-17 19:03:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 589 transitions. [2022-03-17 19:03:44,415 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 589 transitions. Word has length 132 [2022-03-17 19:03:44,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:44,415 INFO L478 AbstractCegarLoop]: Abstraction has 387 states and 589 transitions. [2022-03-17 19:03:44,415 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 589 transitions. [2022-03-17 19:03:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-03-17 19:03:44,416 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:44,416 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:44,416 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-17 19:03:44,416 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:44,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:44,417 INFO L85 PathProgramCache]: Analyzing trace with hash 641664460, now seen corresponding path program 1 times [2022-03-17 19:03:44,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:44,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381779511] [2022-03-17 19:03:44,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:44,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 19:03:44,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:44,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381779511] [2022-03-17 19:03:44,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381779511] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:44,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:44,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:44,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761569931] [2022-03-17 19:03:44,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:44,521 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:44,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:44,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:44,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:44,522 INFO L87 Difference]: Start difference. First operand 387 states and 589 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:47,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:47,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:47,824 INFO L93 Difference]: Finished difference Result 427 states and 641 transitions. [2022-03-17 19:03:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:47,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 140 [2022-03-17 19:03:47,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:47,825 INFO L225 Difference]: With dead ends: 427 [2022-03-17 19:03:47,825 INFO L226 Difference]: Without dead ends: 427 [2022-03-17 19:03:47,825 INFO L911 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 [2022-03-17 19:03:47,826 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 75 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:47,826 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 513 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-03-17 19:03:47,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-03-17 19:03:47,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 387. [2022-03-17 19:03:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 382 states have (on average 1.5287958115183247) internal successors, (584), 382 states have internal predecessors, (584), 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) [2022-03-17 19:03:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 588 transitions. [2022-03-17 19:03:47,830 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 588 transitions. Word has length 140 [2022-03-17 19:03:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:47,831 INFO L478 AbstractCegarLoop]: Abstraction has 387 states and 588 transitions. [2022-03-17 19:03:47,831 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 588 transitions. [2022-03-17 19:03:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-03-17 19:03:47,831 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:47,832 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:47,832 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-17 19:03:47,832 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:47,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:47,832 INFO L85 PathProgramCache]: Analyzing trace with hash 627414315, now seen corresponding path program 1 times [2022-03-17 19:03:47,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:47,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714887878] [2022-03-17 19:03:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:47,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-17 19:03:47,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:47,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714887878] [2022-03-17 19:03:47,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714887878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:47,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:47,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:47,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908414975] [2022-03-17 19:03:47,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:47,916 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:47,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:47,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:47,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:47,916 INFO L87 Difference]: Start difference. First operand 387 states and 588 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:49,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:52,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:52,473 INFO L93 Difference]: Finished difference Result 540 states and 819 transitions. [2022-03-17 19:03:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:52,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 140 [2022-03-17 19:03:52,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:52,475 INFO L225 Difference]: With dead ends: 540 [2022-03-17 19:03:52,475 INFO L226 Difference]: Without dead ends: 540 [2022-03-17 19:03:52,475 INFO L911 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 [2022-03-17 19:03:52,475 INFO L912 BasicCegarLoop]: 143 mSDtfsCounter, 123 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:52,476 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 400 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-03-17 19:03:52,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-03-17 19:03:52,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 451. [2022-03-17 19:03:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 446 states have (on average 1.5358744394618835) internal successors, (685), 446 states have internal predecessors, (685), 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) [2022-03-17 19:03:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 689 transitions. [2022-03-17 19:03:52,481 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 689 transitions. Word has length 140 [2022-03-17 19:03:52,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:52,481 INFO L478 AbstractCegarLoop]: Abstraction has 451 states and 689 transitions. [2022-03-17 19:03:52,481 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 689 transitions. [2022-03-17 19:03:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-17 19:03:52,482 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:52,482 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:52,482 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-17 19:03:52,482 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:52,482 INFO L85 PathProgramCache]: Analyzing trace with hash -946684190, now seen corresponding path program 1 times [2022-03-17 19:03:52,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:52,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772091363] [2022-03-17 19:03:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:52,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-03-17 19:03:52,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:52,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772091363] [2022-03-17 19:03:52,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772091363] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:52,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:52,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:52,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525412018] [2022-03-17 19:03:52,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:52,578 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:52,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:52,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:52,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:52,578 INFO L87 Difference]: Start difference. First operand 451 states and 689 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:53,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:55,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:03:57,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:03:57,279 INFO L93 Difference]: Finished difference Result 518 states and 777 transitions. [2022-03-17 19:03:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:03:57,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2022-03-17 19:03:57,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:03:57,281 INFO L225 Difference]: With dead ends: 518 [2022-03-17 19:03:57,281 INFO L226 Difference]: Without dead ends: 518 [2022-03-17 19:03:57,282 INFO L911 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 [2022-03-17 19:03:57,282 INFO L912 BasicCegarLoop]: 147 mSDtfsCounter, 139 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-03-17 19:03:57,282 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 408 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 479 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-03-17 19:03:57,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-03-17 19:03:57,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 451. [2022-03-17 19:03:57,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 446 states have (on average 1.5179372197309418) internal successors, (677), 446 states have internal predecessors, (677), 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) [2022-03-17 19:03:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 681 transitions. [2022-03-17 19:03:57,287 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 681 transitions. Word has length 145 [2022-03-17 19:03:57,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:03:57,288 INFO L478 AbstractCegarLoop]: Abstraction has 451 states and 681 transitions. [2022-03-17 19:03:57,288 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 681 transitions. [2022-03-17 19:03:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-17 19:03:57,289 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:03:57,289 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:03:57,289 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-17 19:03:57,289 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:03:57,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:03:57,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1964442410, now seen corresponding path program 1 times [2022-03-17 19:03:57,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:03:57,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184008860] [2022-03-17 19:03:57,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:03:57,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:03:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:03:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:03:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 19:03:57,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:03:57,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184008860] [2022-03-17 19:03:57,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184008860] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:03:57,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:03:57,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:03:57,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603398671] [2022-03-17 19:03:57,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:03:57,396 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:03:57,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:03:57,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:03:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:03:57,396 INFO L87 Difference]: Start difference. First operand 451 states and 681 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:03:59,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:01,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:01,201 INFO L93 Difference]: Finished difference Result 558 states and 834 transitions. [2022-03-17 19:04:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:01,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2022-03-17 19:04:01,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:01,203 INFO L225 Difference]: With dead ends: 558 [2022-03-17 19:04:01,203 INFO L226 Difference]: Without dead ends: 558 [2022-03-17 19:04:01,203 INFO L911 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 [2022-03-17 19:04:01,203 INFO L912 BasicCegarLoop]: 147 mSDtfsCounter, 119 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:01,203 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 408 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-03-17 19:04:01,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2022-03-17 19:04:01,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 481. [2022-03-17 19:04:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 476 states have (on average 1.5084033613445378) internal successors, (718), 476 states have internal predecessors, (718), 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) [2022-03-17 19:04:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 722 transitions. [2022-03-17 19:04:01,210 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 722 transitions. Word has length 145 [2022-03-17 19:04:01,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:01,210 INFO L478 AbstractCegarLoop]: Abstraction has 481 states and 722 transitions. [2022-03-17 19:04:01,211 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 722 transitions. [2022-03-17 19:04:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-03-17 19:04:01,211 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:01,212 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:01,212 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-17 19:04:01,212 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:01,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:01,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1579019717, now seen corresponding path program 1 times [2022-03-17 19:04:01,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:01,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156546928] [2022-03-17 19:04:01,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:01,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 19:04:01,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:01,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156546928] [2022-03-17 19:04:01,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156546928] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:01,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:01,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:01,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610300797] [2022-03-17 19:04:01,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:01,305 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:01,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:01,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:01,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:01,306 INFO L87 Difference]: Start difference. First operand 481 states and 722 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:04,567 INFO L93 Difference]: Finished difference Result 548 states and 812 transitions. [2022-03-17 19:04:04,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:04,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-03-17 19:04:04,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:04,568 INFO L225 Difference]: With dead ends: 548 [2022-03-17 19:04:04,569 INFO L226 Difference]: Without dead ends: 548 [2022-03-17 19:04:04,569 INFO L911 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 [2022-03-17 19:04:04,569 INFO L912 BasicCegarLoop]: 135 mSDtfsCounter, 118 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:04,569 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 384 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-03-17 19:04:04,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-03-17 19:04:04,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 481. [2022-03-17 19:04:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 476 states have (on average 1.495798319327731) internal successors, (712), 476 states have internal predecessors, (712), 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) [2022-03-17 19:04:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 716 transitions. [2022-03-17 19:04:04,574 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 716 transitions. Word has length 146 [2022-03-17 19:04:04,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:04,574 INFO L478 AbstractCegarLoop]: Abstraction has 481 states and 716 transitions. [2022-03-17 19:04:04,574 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 716 transitions. [2022-03-17 19:04:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-03-17 19:04:04,575 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:04,575 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:04,575 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-17 19:04:04,575 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:04,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1397412188, now seen corresponding path program 1 times [2022-03-17 19:04:04,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:04,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484828076] [2022-03-17 19:04:04,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:04,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-17 19:04:04,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:04,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484828076] [2022-03-17 19:04:04,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484828076] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:04,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:04,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:04,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663576313] [2022-03-17 19:04:04,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:04,673 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:04,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:04,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:04,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:04,673 INFO L87 Difference]: Start difference. First operand 481 states and 716 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:07,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:07,545 INFO L93 Difference]: Finished difference Result 548 states and 810 transitions. [2022-03-17 19:04:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:07,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-03-17 19:04:07,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:07,546 INFO L225 Difference]: With dead ends: 548 [2022-03-17 19:04:07,547 INFO L226 Difference]: Without dead ends: 548 [2022-03-17 19:04:07,547 INFO L911 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 [2022-03-17 19:04:07,547 INFO L912 BasicCegarLoop]: 147 mSDtfsCounter, 110 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:07,547 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 408 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-03-17 19:04:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-03-17 19:04:07,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 481. [2022-03-17 19:04:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 476 states have (on average 1.4915966386554622) internal successors, (710), 476 states have internal predecessors, (710), 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) [2022-03-17 19:04:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 714 transitions. [2022-03-17 19:04:07,552 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 714 transitions. Word has length 146 [2022-03-17 19:04:07,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:07,552 INFO L478 AbstractCegarLoop]: Abstraction has 481 states and 714 transitions. [2022-03-17 19:04:07,552 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 714 transitions. [2022-03-17 19:04:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-03-17 19:04:07,553 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:07,553 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:07,553 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-17 19:04:07,554 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:07,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1522661907, now seen corresponding path program 1 times [2022-03-17 19:04:07,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:07,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489206103] [2022-03-17 19:04:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:07,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 19:04:07,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:07,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489206103] [2022-03-17 19:04:07,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489206103] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:07,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:07,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:07,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030549090] [2022-03-17 19:04:07,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:07,644 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:07,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:07,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:07,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:07,645 INFO L87 Difference]: Start difference. First operand 481 states and 714 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:10,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:10,160 INFO L93 Difference]: Finished difference Result 509 states and 752 transitions. [2022-03-17 19:04:10,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:10,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 148 [2022-03-17 19:04:10,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:10,162 INFO L225 Difference]: With dead ends: 509 [2022-03-17 19:04:10,162 INFO L226 Difference]: Without dead ends: 509 [2022-03-17 19:04:10,162 INFO L911 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 [2022-03-17 19:04:10,162 INFO L912 BasicCegarLoop]: 204 mSDtfsCounter, 60 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:10,162 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 529 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-17 19:04:10,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-03-17 19:04:10,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 481. [2022-03-17 19:04:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 476 states have (on average 1.4894957983193278) internal successors, (709), 476 states have internal predecessors, (709), 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) [2022-03-17 19:04:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 713 transitions. [2022-03-17 19:04:10,167 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 713 transitions. Word has length 148 [2022-03-17 19:04:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:10,168 INFO L478 AbstractCegarLoop]: Abstraction has 481 states and 713 transitions. [2022-03-17 19:04:10,168 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 713 transitions. [2022-03-17 19:04:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-03-17 19:04:10,169 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:10,169 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:10,169 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-17 19:04:10,169 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:10,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:10,169 INFO L85 PathProgramCache]: Analyzing trace with hash -109907680, now seen corresponding path program 1 times [2022-03-17 19:04:10,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:10,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268223270] [2022-03-17 19:04:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 19:04:10,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:10,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268223270] [2022-03-17 19:04:10,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268223270] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:10,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:10,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:10,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091569963] [2022-03-17 19:04:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:10,258 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:10,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:10,258 INFO L87 Difference]: Start difference. First operand 481 states and 713 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:12,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:12,957 INFO L93 Difference]: Finished difference Result 548 states and 802 transitions. [2022-03-17 19:04:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:12,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 149 [2022-03-17 19:04:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:12,959 INFO L225 Difference]: With dead ends: 548 [2022-03-17 19:04:12,959 INFO L226 Difference]: Without dead ends: 548 [2022-03-17 19:04:12,959 INFO L911 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 [2022-03-17 19:04:12,959 INFO L912 BasicCegarLoop]: 135 mSDtfsCounter, 118 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:12,959 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 384 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-03-17 19:04:12,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-03-17 19:04:12,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 481. [2022-03-17 19:04:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 476 states have (on average 1.4747899159663866) internal successors, (702), 476 states have internal predecessors, (702), 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) [2022-03-17 19:04:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 706 transitions. [2022-03-17 19:04:12,964 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 706 transitions. Word has length 149 [2022-03-17 19:04:12,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:12,964 INFO L478 AbstractCegarLoop]: Abstraction has 481 states and 706 transitions. [2022-03-17 19:04:12,965 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 706 transitions. [2022-03-17 19:04:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-03-17 19:04:12,965 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:12,966 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:12,966 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-17 19:04:12,966 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:12,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:12,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2073111519, now seen corresponding path program 1 times [2022-03-17 19:04:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:12,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207262782] [2022-03-17 19:04:12,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:12,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-17 19:04:13,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:13,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207262782] [2022-03-17 19:04:13,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207262782] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:13,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:13,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:04:13,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038231033] [2022-03-17 19:04:13,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:13,064 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:04:13,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:13,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:04:13,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:04:13,064 INFO L87 Difference]: Start difference. First operand 481 states and 706 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:15,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:15,220 INFO L93 Difference]: Finished difference Result 927 states and 1359 transitions. [2022-03-17 19:04:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 19:04:15,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 154 [2022-03-17 19:04:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:15,223 INFO L225 Difference]: With dead ends: 927 [2022-03-17 19:04:15,223 INFO L226 Difference]: Without dead ends: 927 [2022-03-17 19:04:15,223 INFO L911 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 [2022-03-17 19:04:15,224 INFO L912 BasicCegarLoop]: 253 mSDtfsCounter, 133 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:15,224 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 447 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-17 19:04:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2022-03-17 19:04:15,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 925. [2022-03-17 19:04:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 920 states have (on average 1.4717391304347827) internal successors, (1354), 920 states have internal predecessors, (1354), 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) [2022-03-17 19:04:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1358 transitions. [2022-03-17 19:04:15,232 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1358 transitions. Word has length 154 [2022-03-17 19:04:15,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:15,233 INFO L478 AbstractCegarLoop]: Abstraction has 925 states and 1358 transitions. [2022-03-17 19:04:15,233 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1358 transitions. [2022-03-17 19:04:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-03-17 19:04:15,234 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:15,234 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:15,234 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-17 19:04:15,235 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:15,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:15,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1086528830, now seen corresponding path program 1 times [2022-03-17 19:04:15,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:15,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346250453] [2022-03-17 19:04:15,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:15,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-17 19:04:15,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:15,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346250453] [2022-03-17 19:04:15,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346250453] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:15,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:15,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:04:15,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739091703] [2022-03-17 19:04:15,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:15,315 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:04:15,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:15,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:04:15,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:04:15,315 INFO L87 Difference]: Start difference. First operand 925 states and 1358 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:17,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:17,206 INFO L93 Difference]: Finished difference Result 952 states and 1393 transitions. [2022-03-17 19:04:17,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 19:04:17,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 154 [2022-03-17 19:04:17,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:17,209 INFO L225 Difference]: With dead ends: 952 [2022-03-17 19:04:17,209 INFO L226 Difference]: Without dead ends: 952 [2022-03-17 19:04:17,209 INFO L911 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 [2022-03-17 19:04:17,209 INFO L912 BasicCegarLoop]: 229 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:17,209 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 423 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-17 19:04:17,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-03-17 19:04:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2022-03-17 19:04:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 947 states have (on average 1.4667370644139388) internal successors, (1389), 947 states have internal predecessors, (1389), 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) [2022-03-17 19:04:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1393 transitions. [2022-03-17 19:04:17,221 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1393 transitions. Word has length 154 [2022-03-17 19:04:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:17,221 INFO L478 AbstractCegarLoop]: Abstraction has 952 states and 1393 transitions. [2022-03-17 19:04:17,221 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1393 transitions. [2022-03-17 19:04:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-03-17 19:04:17,223 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:17,223 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:17,223 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-17 19:04:17,223 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:17,224 INFO L85 PathProgramCache]: Analyzing trace with hash 794143005, now seen corresponding path program 1 times [2022-03-17 19:04:17,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:17,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65868465] [2022-03-17 19:04:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-03-17 19:04:17,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:17,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65868465] [2022-03-17 19:04:17,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65868465] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:17,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:17,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:04:17,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364764069] [2022-03-17 19:04:17,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:17,295 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:04:17,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:17,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:04:17,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:04:17,295 INFO L87 Difference]: Start difference. First operand 952 states and 1393 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:18,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:18,725 INFO L93 Difference]: Finished difference Result 954 states and 1395 transitions. [2022-03-17 19:04:18,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 19:04:18,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 154 [2022-03-17 19:04:18,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:18,727 INFO L225 Difference]: With dead ends: 954 [2022-03-17 19:04:18,727 INFO L226 Difference]: Without dead ends: 954 [2022-03-17 19:04:18,727 INFO L911 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 [2022-03-17 19:04:18,728 INFO L912 BasicCegarLoop]: 217 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:18,728 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 402 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-17 19:04:18,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-03-17 19:04:18,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2022-03-17 19:04:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 949 states have (on average 1.4657534246575343) internal successors, (1391), 949 states have internal predecessors, (1391), 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) [2022-03-17 19:04:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1395 transitions. [2022-03-17 19:04:18,736 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1395 transitions. Word has length 154 [2022-03-17 19:04:18,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:18,736 INFO L478 AbstractCegarLoop]: Abstraction has 954 states and 1395 transitions. [2022-03-17 19:04:18,736 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1395 transitions. [2022-03-17 19:04:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-03-17 19:04:18,760 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:18,761 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:18,761 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-17 19:04:18,761 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:18,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:18,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1349201162, now seen corresponding path program 1 times [2022-03-17 19:04:18,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:18,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636332379] [2022-03-17 19:04:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-03-17 19:04:18,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:18,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636332379] [2022-03-17 19:04:18,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636332379] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:18,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:18,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:18,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984613761] [2022-03-17 19:04:18,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:18,852 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:18,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:18,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:18,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:18,853 INFO L87 Difference]: Start difference. First operand 954 states and 1395 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:21,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:21,516 INFO L93 Difference]: Finished difference Result 995 states and 1444 transitions. [2022-03-17 19:04:21,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:21,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 155 [2022-03-17 19:04:21,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:21,518 INFO L225 Difference]: With dead ends: 995 [2022-03-17 19:04:21,518 INFO L226 Difference]: Without dead ends: 995 [2022-03-17 19:04:21,519 INFO L911 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 [2022-03-17 19:04:21,519 INFO L912 BasicCegarLoop]: 212 mSDtfsCounter, 42 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:21,519 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 545 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-03-17 19:04:21,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-03-17 19:04:21,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 954. [2022-03-17 19:04:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 949 states have (on average 1.463645943097998) internal successors, (1389), 949 states have internal predecessors, (1389), 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) [2022-03-17 19:04:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1393 transitions. [2022-03-17 19:04:21,527 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1393 transitions. Word has length 155 [2022-03-17 19:04:21,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:21,528 INFO L478 AbstractCegarLoop]: Abstraction has 954 states and 1393 transitions. [2022-03-17 19:04:21,528 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1393 transitions. [2022-03-17 19:04:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-03-17 19:04:21,529 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:21,529 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:21,529 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-17 19:04:21,529 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:21,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:21,530 INFO L85 PathProgramCache]: Analyzing trace with hash 753577337, now seen corresponding path program 1 times [2022-03-17 19:04:21,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:21,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838015759] [2022-03-17 19:04:21,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:21,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-03-17 19:04:21,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:21,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838015759] [2022-03-17 19:04:21,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838015759] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:21,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:21,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:21,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742643729] [2022-03-17 19:04:21,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:21,621 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:21,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:21,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:21,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:21,622 INFO L87 Difference]: Start difference. First operand 954 states and 1393 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:24,552 INFO L93 Difference]: Finished difference Result 991 states and 1438 transitions. [2022-03-17 19:04:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:24,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 156 [2022-03-17 19:04:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:24,555 INFO L225 Difference]: With dead ends: 991 [2022-03-17 19:04:24,555 INFO L226 Difference]: Without dead ends: 991 [2022-03-17 19:04:24,555 INFO L911 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 [2022-03-17 19:04:24,555 INFO L912 BasicCegarLoop]: 213 mSDtfsCounter, 39 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:24,555 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 547 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-03-17 19:04:24,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-03-17 19:04:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 954. [2022-03-17 19:04:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 949 states have (on average 1.4615384615384615) internal successors, (1387), 949 states have internal predecessors, (1387), 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) [2022-03-17 19:04:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1391 transitions. [2022-03-17 19:04:24,563 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1391 transitions. Word has length 156 [2022-03-17 19:04:24,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:24,563 INFO L478 AbstractCegarLoop]: Abstraction has 954 states and 1391 transitions. [2022-03-17 19:04:24,564 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1391 transitions. [2022-03-17 19:04:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-03-17 19:04:24,565 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:24,565 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:24,565 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-17 19:04:24,565 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:24,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:24,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1839212727, now seen corresponding path program 1 times [2022-03-17 19:04:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:24,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243505289] [2022-03-17 19:04:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-03-17 19:04:24,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:24,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243505289] [2022-03-17 19:04:24,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243505289] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:24,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:24,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:24,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945511903] [2022-03-17 19:04:24,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:24,694 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:24,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:24,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:24,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:24,695 INFO L87 Difference]: Start difference. First operand 954 states and 1391 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:27,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:27,104 INFO L93 Difference]: Finished difference Result 1033 states and 1502 transitions. [2022-03-17 19:04:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:27,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 157 [2022-03-17 19:04:27,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:27,107 INFO L225 Difference]: With dead ends: 1033 [2022-03-17 19:04:27,107 INFO L226 Difference]: Without dead ends: 1033 [2022-03-17 19:04:27,107 INFO L911 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 [2022-03-17 19:04:27,108 INFO L912 BasicCegarLoop]: 243 mSDtfsCounter, 28 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:27,108 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 605 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-17 19:04:27,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2022-03-17 19:04:27,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1006. [2022-03-17 19:04:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1001 states have (on average 1.4615384615384615) internal successors, (1463), 1001 states have internal predecessors, (1463), 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) [2022-03-17 19:04:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1467 transitions. [2022-03-17 19:04:27,116 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1467 transitions. Word has length 157 [2022-03-17 19:04:27,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:27,116 INFO L478 AbstractCegarLoop]: Abstraction has 1006 states and 1467 transitions. [2022-03-17 19:04:27,116 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1467 transitions. [2022-03-17 19:04:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-17 19:04:27,118 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:27,118 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:27,118 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-17 19:04:27,118 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:27,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash 395348402, now seen corresponding path program 1 times [2022-03-17 19:04:27,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:27,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044518851] [2022-03-17 19:04:27,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:27,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-17 19:04:27,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:27,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044518851] [2022-03-17 19:04:27,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044518851] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:27,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:27,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:27,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111014846] [2022-03-17 19:04:27,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:27,221 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:27,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:27,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:27,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:27,222 INFO L87 Difference]: Start difference. First operand 1006 states and 1467 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:30,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:31,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:31,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:31,974 INFO L93 Difference]: Finished difference Result 1043 states and 1512 transitions. [2022-03-17 19:04:31,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:31,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 163 [2022-03-17 19:04:31,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:31,984 INFO L225 Difference]: With dead ends: 1043 [2022-03-17 19:04:31,984 INFO L226 Difference]: Without dead ends: 1043 [2022-03-17 19:04:31,984 INFO L911 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 [2022-03-17 19:04:31,984 INFO L912 BasicCegarLoop]: 213 mSDtfsCounter, 48 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:31,984 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 547 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-03-17 19:04:31,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2022-03-17 19:04:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1006. [2022-03-17 19:04:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1001 states have (on average 1.4595404595404595) internal successors, (1461), 1001 states have internal predecessors, (1461), 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) [2022-03-17 19:04:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1465 transitions. [2022-03-17 19:04:31,992 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1465 transitions. Word has length 163 [2022-03-17 19:04:31,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:31,992 INFO L478 AbstractCegarLoop]: Abstraction has 1006 states and 1465 transitions. [2022-03-17 19:04:31,992 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1465 transitions. [2022-03-17 19:04:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-03-17 19:04:31,994 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:31,994 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:31,994 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-17 19:04:31,994 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:31,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:31,994 INFO L85 PathProgramCache]: Analyzing trace with hash 374542751, now seen corresponding path program 1 times [2022-03-17 19:04:31,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:31,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139217109] [2022-03-17 19:04:31,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:31,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-17 19:04:32,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:32,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139217109] [2022-03-17 19:04:32,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139217109] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:32,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:32,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:32,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731869328] [2022-03-17 19:04:32,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:32,083 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:32,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:32,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:32,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:32,084 INFO L87 Difference]: Start difference. First operand 1006 states and 1465 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:34,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:35,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:36,950 INFO L93 Difference]: Finished difference Result 1137 states and 1631 transitions. [2022-03-17 19:04:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:36,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 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 164 [2022-03-17 19:04:36,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:36,953 INFO L225 Difference]: With dead ends: 1137 [2022-03-17 19:04:36,953 INFO L226 Difference]: Without dead ends: 1137 [2022-03-17 19:04:36,953 INFO L911 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 [2022-03-17 19:04:36,953 INFO L912 BasicCegarLoop]: 135 mSDtfsCounter, 119 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:36,954 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 384 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-03-17 19:04:36,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-03-17 19:04:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1006. [2022-03-17 19:04:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1001 states have (on average 1.4455544455544456) internal successors, (1447), 1001 states have internal predecessors, (1447), 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) [2022-03-17 19:04:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1451 transitions. [2022-03-17 19:04:36,962 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1451 transitions. Word has length 164 [2022-03-17 19:04:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:36,962 INFO L478 AbstractCegarLoop]: Abstraction has 1006 states and 1451 transitions. [2022-03-17 19:04:36,962 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1451 transitions. [2022-03-17 19:04:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-17 19:04:36,964 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:36,964 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:36,964 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-17 19:04:36,964 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:36,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:36,964 INFO L85 PathProgramCache]: Analyzing trace with hash 663485998, now seen corresponding path program 1 times [2022-03-17 19:04:36,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:36,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025648268] [2022-03-17 19:04:36,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-17 19:04:37,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:37,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025648268] [2022-03-17 19:04:37,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025648268] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:37,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:37,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:37,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005204680] [2022-03-17 19:04:37,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:37,055 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:37,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:37,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:37,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:37,056 INFO L87 Difference]: Start difference. First operand 1006 states and 1451 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:39,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:40,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:40,573 INFO L93 Difference]: Finished difference Result 1039 states and 1490 transitions. [2022-03-17 19:04:40,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:40,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 166 [2022-03-17 19:04:40,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:40,576 INFO L225 Difference]: With dead ends: 1039 [2022-03-17 19:04:40,576 INFO L226 Difference]: Without dead ends: 1039 [2022-03-17 19:04:40,576 INFO L911 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 [2022-03-17 19:04:40,577 INFO L912 BasicCegarLoop]: 216 mSDtfsCounter, 38 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:40,577 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 553 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-03-17 19:04:40,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2022-03-17 19:04:40,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1006. [2022-03-17 19:04:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1001 states have (on average 1.4435564435564436) internal successors, (1445), 1001 states have internal predecessors, (1445), 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) [2022-03-17 19:04:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1449 transitions. [2022-03-17 19:04:40,585 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1449 transitions. Word has length 166 [2022-03-17 19:04:40,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:40,585 INFO L478 AbstractCegarLoop]: Abstraction has 1006 states and 1449 transitions. [2022-03-17 19:04:40,585 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1449 transitions. [2022-03-17 19:04:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-03-17 19:04:40,586 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:40,586 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:40,587 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-17 19:04:40,587 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1857596404, now seen corresponding path program 1 times [2022-03-17 19:04:40,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:40,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286827852] [2022-03-17 19:04:40,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-17 19:04:40,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:40,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286827852] [2022-03-17 19:04:40,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286827852] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:40,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:40,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:40,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675163077] [2022-03-17 19:04:40,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:40,670 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:40,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:40,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:40,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:40,670 INFO L87 Difference]: Start difference. First operand 1006 states and 1449 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:43,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:43,397 INFO L93 Difference]: Finished difference Result 1031 states and 1478 transitions. [2022-03-17 19:04:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:43,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 167 [2022-03-17 19:04:43,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:43,400 INFO L225 Difference]: With dead ends: 1031 [2022-03-17 19:04:43,400 INFO L226 Difference]: Without dead ends: 1031 [2022-03-17 19:04:43,400 INFO L911 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 [2022-03-17 19:04:43,400 INFO L912 BasicCegarLoop]: 218 mSDtfsCounter, 33 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:43,400 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 557 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-03-17 19:04:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2022-03-17 19:04:43,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1006. [2022-03-17 19:04:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1001 states have (on average 1.4415584415584415) internal successors, (1443), 1001 states have internal predecessors, (1443), 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) [2022-03-17 19:04:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1447 transitions. [2022-03-17 19:04:43,408 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1447 transitions. Word has length 167 [2022-03-17 19:04:43,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:43,408 INFO L478 AbstractCegarLoop]: Abstraction has 1006 states and 1447 transitions. [2022-03-17 19:04:43,408 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1447 transitions. [2022-03-17 19:04:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-17 19:04:43,409 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:43,409 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:43,410 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-17 19:04:43,410 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:43,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:43,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2024925367, now seen corresponding path program 1 times [2022-03-17 19:04:43,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:43,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548712186] [2022-03-17 19:04:43,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:43,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:43,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-03-17 19:04:43,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:43,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548712186] [2022-03-17 19:04:43,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548712186] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:43,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:43,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:04:43,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956163338] [2022-03-17 19:04:43,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:43,517 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:04:43,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:43,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:04:43,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:04:43,517 INFO L87 Difference]: Start difference. First operand 1006 states and 1447 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:45,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:46,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:46,370 INFO L93 Difference]: Finished difference Result 1479 states and 2128 transitions. [2022-03-17 19:04:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 19:04:46,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 173 [2022-03-17 19:04:46,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:46,374 INFO L225 Difference]: With dead ends: 1479 [2022-03-17 19:04:46,374 INFO L226 Difference]: Without dead ends: 1479 [2022-03-17 19:04:46,374 INFO L911 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 [2022-03-17 19:04:46,374 INFO L912 BasicCegarLoop]: 382 mSDtfsCounter, 143 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:46,374 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 576 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-03-17 19:04:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2022-03-17 19:04:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1479. [2022-03-17 19:04:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1474 states have (on average 1.440976933514247) internal successors, (2124), 1474 states have internal predecessors, (2124), 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) [2022-03-17 19:04:46,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2128 transitions. [2022-03-17 19:04:46,386 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2128 transitions. Word has length 173 [2022-03-17 19:04:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:46,386 INFO L478 AbstractCegarLoop]: Abstraction has 1479 states and 2128 transitions. [2022-03-17 19:04:46,386 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2128 transitions. [2022-03-17 19:04:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-03-17 19:04:46,388 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:46,388 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:46,388 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-17 19:04:46,388 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:46,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:46,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1944610709, now seen corresponding path program 1 times [2022-03-17 19:04:46,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:46,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958665827] [2022-03-17 19:04:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-17 19:04:46,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:46,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958665827] [2022-03-17 19:04:46,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958665827] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:46,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:46,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:04:46,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948018326] [2022-03-17 19:04:46,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:46,479 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:04:46,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:46,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:04:46,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:04:46,479 INFO L87 Difference]: Start difference. First operand 1479 states and 2128 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:47,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:49,166 INFO L93 Difference]: Finished difference Result 1917 states and 2757 transitions. [2022-03-17 19:04:49,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 19:04:49,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-03-17 19:04:49,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:49,171 INFO L225 Difference]: With dead ends: 1917 [2022-03-17 19:04:49,172 INFO L226 Difference]: Without dead ends: 1917 [2022-03-17 19:04:49,172 INFO L911 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 [2022-03-17 19:04:49,172 INFO L912 BasicCegarLoop]: 305 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:49,172 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 499 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-03-17 19:04:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2022-03-17 19:04:49,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1911. [2022-03-17 19:04:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1906 states have (on average 1.441762854144806) internal successors, (2748), 1906 states have internal predecessors, (2748), 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) [2022-03-17 19:04:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2752 transitions. [2022-03-17 19:04:49,187 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2752 transitions. Word has length 174 [2022-03-17 19:04:49,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:49,188 INFO L478 AbstractCegarLoop]: Abstraction has 1911 states and 2752 transitions. [2022-03-17 19:04:49,188 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2752 transitions. [2022-03-17 19:04:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-03-17 19:04:49,189 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:49,189 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:49,189 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-17 19:04:49,190 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:49,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:49,190 INFO L85 PathProgramCache]: Analyzing trace with hash 790409397, now seen corresponding path program 1 times [2022-03-17 19:04:49,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:49,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003409265] [2022-03-17 19:04:49,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-03-17 19:04:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:49,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003409265] [2022-03-17 19:04:49,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003409265] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:49,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:49,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:49,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76093088] [2022-03-17 19:04:49,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:49,321 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:49,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:49,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:49,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:49,322 INFO L87 Difference]: Start difference. First operand 1911 states and 2752 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:52,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:52,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:52,841 INFO L93 Difference]: Finished difference Result 2108 states and 3035 transitions. [2022-03-17 19:04:52,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:52,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 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 185 [2022-03-17 19:04:52,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:52,849 INFO L225 Difference]: With dead ends: 2108 [2022-03-17 19:04:52,849 INFO L226 Difference]: Without dead ends: 2108 [2022-03-17 19:04:52,849 INFO L911 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 [2022-03-17 19:04:52,849 INFO L912 BasicCegarLoop]: 248 mSDtfsCounter, 38 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:52,850 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 615 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-03-17 19:04:52,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2022-03-17 19:04:52,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2023. [2022-03-17 19:04:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2023 states, 2018 states have (on average 1.4430128840436076) internal successors, (2912), 2018 states have internal predecessors, (2912), 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) [2022-03-17 19:04:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2916 transitions. [2022-03-17 19:04:52,867 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2916 transitions. Word has length 185 [2022-03-17 19:04:52,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:52,868 INFO L478 AbstractCegarLoop]: Abstraction has 2023 states and 2916 transitions. [2022-03-17 19:04:52,868 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2916 transitions. [2022-03-17 19:04:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-17 19:04:52,869 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:52,870 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:04:52,870 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-17 19:04:52,870 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:52,870 INFO L85 PathProgramCache]: Analyzing trace with hash -746379742, now seen corresponding path program 1 times [2022-03-17 19:04:52,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:52,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636490077] [2022-03-17 19:04:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:52,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-03-17 19:04:52,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:52,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636490077] [2022-03-17 19:04:52,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636490077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:52,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:52,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:52,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438795421] [2022-03-17 19:04:52,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:52,973 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:52,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:52,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:52,974 INFO L87 Difference]: Start difference. First operand 2023 states and 2916 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:54,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:57,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:04:57,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:04:57,854 INFO L93 Difference]: Finished difference Result 2234 states and 3173 transitions. [2022-03-17 19:04:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:04:57,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 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 189 [2022-03-17 19:04:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:04:57,858 INFO L225 Difference]: With dead ends: 2234 [2022-03-17 19:04:57,858 INFO L226 Difference]: Without dead ends: 2234 [2022-03-17 19:04:57,859 INFO L911 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 [2022-03-17 19:04:57,859 INFO L912 BasicCegarLoop]: 145 mSDtfsCounter, 107 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-17 19:04:57,859 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 404 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-03-17 19:04:57,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2022-03-17 19:04:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2023. [2022-03-17 19:04:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2023 states, 2018 states have (on average 1.431615460852329) internal successors, (2889), 2018 states have internal predecessors, (2889), 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) [2022-03-17 19:04:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2893 transitions. [2022-03-17 19:04:57,876 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2893 transitions. Word has length 189 [2022-03-17 19:04:57,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:04:57,877 INFO L478 AbstractCegarLoop]: Abstraction has 2023 states and 2893 transitions. [2022-03-17 19:04:57,877 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2893 transitions. [2022-03-17 19:04:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-03-17 19:04:57,879 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:04:57,879 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-03-17 19:04:57,879 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-17 19:04:57,879 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:04:57,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:04:57,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2132148959, now seen corresponding path program 1 times [2022-03-17 19:04:57,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:04:57,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124563447] [2022-03-17 19:04:57,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:04:57,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:04:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:04:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:04:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-17 19:04:57,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:04:57,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124563447] [2022-03-17 19:04:57,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124563447] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:04:57,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:04:57,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:04:57,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863366472] [2022-03-17 19:04:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:04:57,994 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:04:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:04:57,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:04:57,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:04:57,995 INFO L87 Difference]: Start difference. First operand 2023 states and 2893 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:04:59,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:05:01,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:05:01,553 INFO L93 Difference]: Finished difference Result 2232 states and 3178 transitions. [2022-03-17 19:05:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:05:01,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 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 196 [2022-03-17 19:05:01,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:05:01,557 INFO L225 Difference]: With dead ends: 2232 [2022-03-17 19:05:01,557 INFO L226 Difference]: Without dead ends: 2232 [2022-03-17 19:05:01,557 INFO L911 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 [2022-03-17 19:05:01,557 INFO L912 BasicCegarLoop]: 245 mSDtfsCounter, 57 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-17 19:05:01,557 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 608 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-03-17 19:05:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2022-03-17 19:05:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 2128. [2022-03-17 19:05:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2123 states have (on average 1.431464908148846) internal successors, (3039), 2123 states have internal predecessors, (3039), 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) [2022-03-17 19:05:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3043 transitions. [2022-03-17 19:05:01,574 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3043 transitions. Word has length 196 [2022-03-17 19:05:01,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:05:01,574 INFO L478 AbstractCegarLoop]: Abstraction has 2128 states and 3043 transitions. [2022-03-17 19:05:01,574 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:05:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3043 transitions. [2022-03-17 19:05:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-03-17 19:05:01,576 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:05:01,576 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-03-17 19:05:01,576 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-17 19:05:01,576 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:05:01,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:05:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2042967890, now seen corresponding path program 1 times [2022-03-17 19:05:01,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:05:01,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174125383] [2022-03-17 19:05:01,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:05:01,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:05:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:05:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:05:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:05:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-17 19:05:01,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:05:01,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174125383] [2022-03-17 19:05:01,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174125383] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:05:01,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:05:01,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 19:05:01,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848125202] [2022-03-17 19:05:01,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:05:01,673 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 19:05:01,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:05:01,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 19:05:01,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:05:01,673 INFO L87 Difference]: Start difference. First operand 2128 states and 3043 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:05:03,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:05:04,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:05:05,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:05:05,272 INFO L93 Difference]: Finished difference Result 2375 states and 3367 transitions. [2022-03-17 19:05:05,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:05:05,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 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 197 [2022-03-17 19:05:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:05:05,277 INFO L225 Difference]: With dead ends: 2375 [2022-03-17 19:05:05,277 INFO L226 Difference]: Without dead ends: 2375 [2022-03-17 19:05:05,277 INFO L911 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 [2022-03-17 19:05:05,277 INFO L912 BasicCegarLoop]: 139 mSDtfsCounter, 108 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-03-17 19:05:05,277 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 392 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-03-17 19:05:05,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2022-03-17 19:05:05,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2128. [2022-03-17 19:05:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2123 states have (on average 1.4258125294394723) internal successors, (3027), 2123 states have internal predecessors, (3027), 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) [2022-03-17 19:05:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3031 transitions. [2022-03-17 19:05:05,292 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3031 transitions. Word has length 197 [2022-03-17 19:05:05,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:05:05,292 INFO L478 AbstractCegarLoop]: Abstraction has 2128 states and 3031 transitions. [2022-03-17 19:05:05,292 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:05:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3031 transitions. [2022-03-17 19:05:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-03-17 19:05:05,308 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:05:05,308 INFO L500 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:05:05,308 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-17 19:05:05,308 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:05:05,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:05:05,309 INFO L85 PathProgramCache]: Analyzing trace with hash -2042368162, now seen corresponding path program 1 times [2022-03-17 19:05:05,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:05:05,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84392771] [2022-03-17 19:05:05,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:05:05,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:05:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:05:05,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:05:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:05:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-03-17 19:05:05,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:05:05,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84392771] [2022-03-17 19:05:05,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84392771] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:05:05,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:05:05,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-17 19:05:05,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710887682] [2022-03-17 19:05:05,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:05:05,691 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 19:05:05,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:05:05,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 19:05:05,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-17 19:05:05,691 INFO L87 Difference]: Start difference. First operand 2128 states and 3031 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:05:08,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:05:09,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:05:11,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 19:05:11,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:05:11,784 INFO L93 Difference]: Finished difference Result 2136 states and 3041 transitions. [2022-03-17 19:05:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 19:05:11,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 198 [2022-03-17 19:05:11,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:05:11,787 INFO L225 Difference]: With dead ends: 2136 [2022-03-17 19:05:11,787 INFO L226 Difference]: Without dead ends: 2128 [2022-03-17 19:05:11,788 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-17 19:05:11,788 INFO L912 BasicCegarLoop]: 215 mSDtfsCounter, 7 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-03-17 19:05:11,788 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 872 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-03-17 19:05:11,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-03-17 19:05:11,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2128. [2022-03-17 19:05:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2123 states have (on average 1.425341497880358) internal successors, (3026), 2123 states have internal predecessors, (3026), 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) [2022-03-17 19:05:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3030 transitions. [2022-03-17 19:05:11,801 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3030 transitions. Word has length 198 [2022-03-17 19:05:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:05:11,801 INFO L478 AbstractCegarLoop]: Abstraction has 2128 states and 3030 transitions. [2022-03-17 19:05:11,802 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 19:05:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3030 transitions. [2022-03-17 19:05:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-03-17 19:05:11,821 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:05:11,821 INFO L500 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:05:11,821 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-17 19:05:11,821 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:05:11,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:05:11,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1798831299, now seen corresponding path program 1 times [2022-03-17 19:05:11,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:05:11,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091818404] [2022-03-17 19:05:11,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:05:11,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:05:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:05:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:05:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:05:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-03-17 19:05:12,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:05:12,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091818404] [2022-03-17 19:05:12,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091818404] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 19:05:12,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282339500] [2022-03-17 19:05:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:05:12,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 19:05:12,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 19:05:12,760 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) [2022-03-17 19:05:12,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-17 19:05:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:05:13,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 173 conjunts are in the unsatisfiable core [2022-03-17 19:05:13,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 19:05:13,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14076 treesize of output 12060 [2022-03-17 19:05:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 19:05:13,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5440 treesize of output 866