/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 00:57:40,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 00:57:40,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 00:57:40,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 00:57:40,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 00:57:40,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 00:57:40,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 00:57:40,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 00:57:40,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 00:57:40,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 00:57:40,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 00:57:40,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 00:57:40,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 00:57:40,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 00:57:40,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 00:57:40,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 00:57:40,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 00:57:40,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 00:57:40,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 00:57:40,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 00:57:40,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 00:57:40,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 00:57:40,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 00:57:40,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 00:57:40,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-24 00:57:40,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-24 00:57:40,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-24 00:57:40,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-24 00:57:40,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-24 00:57:40,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-24 00:57:40,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 00:57:40,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 00:57:40,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 00:57:40,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-02-24 00:57:40,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 00:57:40,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 00:57:40,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-24 00:57:40,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-24 00:57:40,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-24 00:57:40,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-24 00:57:40,173 INFO L138 SettingsManager]: * Use SBE=true [2022-02-24 00:57:40,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 00:57:40,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 00:57:40,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 00:57:40,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 00:57:40,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:57:40,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 00:57:40,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-24 00:57:40,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-24 00:57:40,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-24 00:57:40,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-24 00:57:40,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 00:57:40,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-02-24 00:57:40,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-24 00:57:40,176 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-24 00:57:40,176 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 00:57:40,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 00:57:40,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 00:57:40,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 00:57:40,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 00:57:40,380 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 00:57:40,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-02-24 00:57:40,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42a16ced/372c71342d2842d29dbe3778eed59037/FLAG1a1d52d5e [2022-02-24 00:57:40,910 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 00:57:40,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-02-24 00:57:40,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42a16ced/372c71342d2842d29dbe3778eed59037/FLAG1a1d52d5e [2022-02-24 00:57:40,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b42a16ced/372c71342d2842d29dbe3778eed59037 [2022-02-24 00:57:40,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 00:57:40,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-24 00:57:40,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 00:57:40,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 00:57:40,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 00:57:40,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:57:40" (1/1) ... [2022-02-24 00:57:40,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f1525a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:40, skipping insertion in model container [2022-02-24 00:57:40,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:57:40" (1/1) ... [2022-02-24 00:57:40,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 00:57:41,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 00:57:41,259 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.16.i.cil-1.c[77378,77391] [2022-02-24 00:57:41,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:57:41,289 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 00:57:41,397 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.16.i.cil-1.c[77378,77391] [2022-02-24 00:57:41,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:57:41,409 INFO L208 MainTranslator]: Completed translation [2022-02-24 00:57:41,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41 WrapperNode [2022-02-24 00:57:41,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 00:57:41,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 00:57:41,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 00:57:41,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 00:57:41,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 00:57:41,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 00:57:41,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 00:57:41,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 00:57:41,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (1/1) ... [2022-02-24 00:57:41,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:57:41,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:57:41,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-24 00:57:41,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-24 00:57:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 00:57:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 00:57:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 00:57:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-24 00:57:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-24 00:57:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 00:57:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-24 00:57:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-24 00:57:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-24 00:57:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-24 00:57:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-24 00:57:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 00:57:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 00:57:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 00:57:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-24 00:57:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-24 00:57:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-24 00:57:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-24 00:57:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 00:57:41,749 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 00:57:41,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 00:57:42,662 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:57:42,951 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-24 00:57:42,952 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-24 00:57:42,960 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 00:57:42,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 00:57:42,966 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-24 00:57:42,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:57:42 BoogieIcfgContainer [2022-02-24 00:57:42,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 00:57:42,968 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-24 00:57:42,968 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-24 00:57:42,969 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-24 00:57:42,971 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:57:42" (1/1) ... [2022-02-24 00:57:43,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:57:43 BasicIcfg [2022-02-24 00:57:43,002 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-24 00:57:43,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 00:57:43,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 00:57:43,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 00:57:43,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:57:40" (1/4) ... [2022-02-24 00:57:43,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ff12ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:57:43, skipping insertion in model container [2022-02-24 00:57:43,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:57:41" (2/4) ... [2022-02-24 00:57:43,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ff12ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:57:43, skipping insertion in model container [2022-02-24 00:57:43,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:57:42" (3/4) ... [2022-02-24 00:57:43,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ff12ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:57:43, skipping insertion in model container [2022-02-24 00:57:43,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:57:43" (4/4) ... [2022-02-24 00:57:43,008 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.16.i.cil-1.cqvasr [2022-02-24 00:57:43,016 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-24 00:57:43,016 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 00:57:43,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 00:57:43,067 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-24 00:57:43,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 00:57:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-24 00:57:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-24 00:57:43,092 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:57:43,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:57:43,093 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:57:43,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:57:43,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1778359795, now seen corresponding path program 1 times [2022-02-24 00:57:43,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:57:43,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389400260] [2022-02-24 00:57:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:57:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:57:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:57:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:57:43,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:57:43,552 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389400260] [2022-02-24 00:57:43,552 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389400260] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:57:43,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:57:43,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:57:43,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184982360] [2022-02-24 00:57:43,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:57:43,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:57:43,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:57:43,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:57:43,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:57:43,586 INFO L87 Difference]: Start difference. First operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 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) [2022-02-24 00:57:47,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:57:47,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:57:47,984 INFO L93 Difference]: Finished difference Result 350 states and 592 transitions. [2022-02-24 00:57:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:57:47,986 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 [2022-02-24 00:57:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:57:47,993 INFO L225 Difference]: With dead ends: 350 [2022-02-24 00:57:47,993 INFO L226 Difference]: Without dead ends: 178 [2022-02-24 00:57:47,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:57:47,997 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 34 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:57:47,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 655 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-24 00:57:48,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-02-24 00:57:48,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 161. [2022-02-24 00:57:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 156 states have internal predecessors, (246), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2022-02-24 00:57:48,050 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 50 [2022-02-24 00:57:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:57:48,051 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2022-02-24 00:57:48,051 INFO L471 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) [2022-02-24 00:57:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2022-02-24 00:57:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-24 00:57:48,057 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:57:48,058 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:57:48,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 00:57:48,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:57:48,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:57:48,059 INFO L85 PathProgramCache]: Analyzing trace with hash 309742957, now seen corresponding path program 1 times [2022-02-24 00:57:48,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:57:48,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067972075] [2022-02-24 00:57:48,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:57:48,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:57:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:57:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:57:48,255 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:57:48,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067972075] [2022-02-24 00:57:48,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067972075] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:57:48,256 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:57:48,256 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:57:48,256 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865781119] [2022-02-24 00:57:48,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:57:48,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:57:48,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:57:48,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:57:48,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:57:48,258 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:50,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:57:50,911 INFO L93 Difference]: Finished difference Result 421 states and 660 transitions. [2022-02-24 00:57:50,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:57:50,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-02-24 00:57:50,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:57:50,913 INFO L225 Difference]: With dead ends: 421 [2022-02-24 00:57:50,913 INFO L226 Difference]: Without dead ends: 286 [2022-02-24 00:57:50,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:57:50,915 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 159 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-24 00:57:50,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 706 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-24 00:57:50,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-24 00:57:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 177. [2022-02-24 00:57:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.5755813953488371) internal successors, (271), 172 states have internal predecessors, (271), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 275 transitions. [2022-02-24 00:57:50,923 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 275 transitions. Word has length 63 [2022-02-24 00:57:50,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:57:50,923 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 275 transitions. [2022-02-24 00:57:50,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:50,924 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 275 transitions. [2022-02-24 00:57:50,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-24 00:57:50,925 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:57:50,925 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:57:50,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 00:57:50,925 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:57:50,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:57:50,925 INFO L85 PathProgramCache]: Analyzing trace with hash 98378695, now seen corresponding path program 1 times [2022-02-24 00:57:50,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:57:50,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903350139] [2022-02-24 00:57:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:57:50,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:57:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:57:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:57:51,062 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:57:51,062 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903350139] [2022-02-24 00:57:51,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903350139] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:57:51,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:57:51,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:57:51,062 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432761949] [2022-02-24 00:57:51,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:57:51,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:57:51,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:57:51,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:57:51,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:57:51,064 INFO L87 Difference]: Start difference. First operand 177 states and 275 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:53,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:57:53,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:57:53,459 INFO L93 Difference]: Finished difference Result 344 states and 533 transitions. [2022-02-24 00:57:53,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:57:53,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-24 00:57:53,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:57:53,460 INFO L225 Difference]: With dead ends: 344 [2022-02-24 00:57:53,460 INFO L226 Difference]: Without dead ends: 193 [2022-02-24 00:57:53,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:57:53,462 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 28 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:57:53,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 533 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 374 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-24 00:57:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-02-24 00:57:53,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2022-02-24 00:57:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.569767441860465) internal successors, (270), 172 states have internal predecessors, (270), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 274 transitions. [2022-02-24 00:57:53,469 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 274 transitions. Word has length 64 [2022-02-24 00:57:53,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:57:53,469 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 274 transitions. [2022-02-24 00:57:53,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 274 transitions. [2022-02-24 00:57:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-24 00:57:53,470 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:57:53,470 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:57:53,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 00:57:53,471 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:57:53,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:57:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1256068121, now seen corresponding path program 1 times [2022-02-24 00:57:53,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:57:53,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482766776] [2022-02-24 00:57:53,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:57:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:57:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:57:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:57:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:57:53,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:57:53,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482766776] [2022-02-24 00:57:53,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482766776] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:57:53,577 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:57:53,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:57:53,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212877272] [2022-02-24 00:57:53,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:57:53,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:57:53,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:57:53,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:57:53,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:57:53,578 INFO L87 Difference]: Start difference. First operand 177 states and 274 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:57:55,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:57:57,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:57:59,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:00,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:00,331 INFO L93 Difference]: Finished difference Result 344 states and 532 transitions. [2022-02-24 00:58:00,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:00,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-24 00:58:00,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:00,333 INFO L225 Difference]: With dead ends: 344 [2022-02-24 00:58:00,333 INFO L226 Difference]: Without dead ends: 193 [2022-02-24 00:58:00,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:00,335 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 26 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:00,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 533 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 375 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-02-24 00:58:00,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-02-24 00:58:00,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2022-02-24 00:58:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.563953488372093) internal successors, (269), 172 states have internal predecessors, (269), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 273 transitions. [2022-02-24 00:58:00,341 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 273 transitions. Word has length 64 [2022-02-24 00:58:00,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:00,341 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 273 transitions. [2022-02-24 00:58:00,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 273 transitions. [2022-02-24 00:58:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-24 00:58:00,341 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:00,342 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:00,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 00:58:00,342 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:00,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:00,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1981736999, now seen corresponding path program 1 times [2022-02-24 00:58:00,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:00,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999294225] [2022-02-24 00:58:00,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:00,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:58:00,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:00,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999294225] [2022-02-24 00:58:00,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999294225] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:00,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:00,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:00,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658046252] [2022-02-24 00:58:00,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:00,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:00,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:00,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:00,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:00,466 INFO L87 Difference]: Start difference. First operand 177 states and 273 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:02,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:05,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:05,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:05,565 INFO L93 Difference]: Finished difference Result 453 states and 709 transitions. [2022-02-24 00:58:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:05,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-24 00:58:05,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:05,566 INFO L225 Difference]: With dead ends: 453 [2022-02-24 00:58:05,566 INFO L226 Difference]: Without dead ends: 302 [2022-02-24 00:58:05,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:05,567 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 158 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:05,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 390 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 492 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-02-24 00:58:05,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-02-24 00:58:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 194. [2022-02-24 00:58:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.566137566137566) internal successors, (296), 189 states have internal predecessors, (296), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:05,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 300 transitions. [2022-02-24 00:58:05,576 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 300 transitions. Word has length 64 [2022-02-24 00:58:05,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:05,577 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 300 transitions. [2022-02-24 00:58:05,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 300 transitions. [2022-02-24 00:58:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-24 00:58:05,577 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:05,577 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:05,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 00:58:05,578 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:05,578 INFO L85 PathProgramCache]: Analyzing trace with hash 672474951, now seen corresponding path program 1 times [2022-02-24 00:58:05,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:05,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567410943] [2022-02-24 00:58:05,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:05,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:58:05,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:05,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567410943] [2022-02-24 00:58:05,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567410943] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:05,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:05,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:05,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240687398] [2022-02-24 00:58:05,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:05,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:05,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:05,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:05,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:05,676 INFO L87 Difference]: Start difference. First operand 194 states and 300 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:07,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:09,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:11,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:12,222 INFO L93 Difference]: Finished difference Result 375 states and 583 transitions. [2022-02-24 00:58:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:12,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-24 00:58:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:12,223 INFO L225 Difference]: With dead ends: 375 [2022-02-24 00:58:12,223 INFO L226 Difference]: Without dead ends: 207 [2022-02-24 00:58:12,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:12,224 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 18 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:12,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 539 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 370 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-02-24 00:58:12,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-02-24 00:58:12,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 194. [2022-02-24 00:58:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.560846560846561) internal successors, (295), 189 states have internal predecessors, (295), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 299 transitions. [2022-02-24 00:58:12,230 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 299 transitions. Word has length 64 [2022-02-24 00:58:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:12,230 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 299 transitions. [2022-02-24 00:58:12,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 299 transitions. [2022-02-24 00:58:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-24 00:58:12,231 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:12,231 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:12,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 00:58:12,232 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:12,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1965860051, now seen corresponding path program 1 times [2022-02-24 00:58:12,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:12,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808506112] [2022-02-24 00:58:12,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:12,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:58:12,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:12,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808506112] [2022-02-24 00:58:12,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808506112] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:12,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:12,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:12,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645846633] [2022-02-24 00:58:12,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:12,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:12,319 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:12,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:12,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:12,320 INFO L87 Difference]: Start difference. First operand 194 states and 299 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:14,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:15,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:17,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:18,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:19,285 INFO L93 Difference]: Finished difference Result 375 states and 582 transitions. [2022-02-24 00:58:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:19,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-02-24 00:58:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:19,287 INFO L225 Difference]: With dead ends: 375 [2022-02-24 00:58:19,287 INFO L226 Difference]: Without dead ends: 207 [2022-02-24 00:58:19,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:19,288 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 22 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:19,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 539 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-02-24 00:58:19,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-02-24 00:58:19,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 194. [2022-02-24 00:58:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5555555555555556) internal successors, (294), 189 states have internal predecessors, (294), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 298 transitions. [2022-02-24 00:58:19,293 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 298 transitions. Word has length 65 [2022-02-24 00:58:19,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:19,293 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 298 transitions. [2022-02-24 00:58:19,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 298 transitions. [2022-02-24 00:58:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-24 00:58:19,294 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:19,294 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:19,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 00:58:19,294 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:19,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:19,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1094217131, now seen corresponding path program 1 times [2022-02-24 00:58:19,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:19,294 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464133556] [2022-02-24 00:58:19,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:19,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:19,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:58:19,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:19,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464133556] [2022-02-24 00:58:19,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464133556] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:19,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:19,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:19,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240232261] [2022-02-24 00:58:19,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:19,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:19,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:19,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:19,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:19,408 INFO L87 Difference]: Start difference. First operand 194 states and 298 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:21,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:24,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:25,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:25,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:25,772 INFO L93 Difference]: Finished difference Result 470 states and 733 transitions. [2022-02-24 00:58:25,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:25,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-24 00:58:25,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:25,774 INFO L225 Difference]: With dead ends: 470 [2022-02-24 00:58:25,774 INFO L226 Difference]: Without dead ends: 302 [2022-02-24 00:58:25,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:25,775 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 160 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 64 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:25,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 390 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 491 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-02-24 00:58:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-02-24 00:58:25,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 194. [2022-02-24 00:58:25,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5396825396825398) internal successors, (291), 189 states have internal predecessors, (291), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 295 transitions. [2022-02-24 00:58:25,780 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 295 transitions. Word has length 66 [2022-02-24 00:58:25,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:25,780 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 295 transitions. [2022-02-24 00:58:25,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 295 transitions. [2022-02-24 00:58:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-24 00:58:25,781 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:25,781 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:25,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 00:58:25,781 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:25,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:25,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1209786960, now seen corresponding path program 1 times [2022-02-24 00:58:25,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:25,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874729289] [2022-02-24 00:58:25,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:25,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:58:25,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:25,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874729289] [2022-02-24 00:58:25,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874729289] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:25,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:25,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:25,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841834874] [2022-02-24 00:58:25,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:25,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:25,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:25,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:25,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:25,864 INFO L87 Difference]: Start difference. First operand 194 states and 295 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) [2022-02-24 00:58:27,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:29,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:31,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:32,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:32,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:32,720 INFO L93 Difference]: Finished difference Result 365 states and 563 transitions. [2022-02-24 00:58:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:32,720 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 [2022-02-24 00:58:32,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:32,721 INFO L225 Difference]: With dead ends: 365 [2022-02-24 00:58:32,721 INFO L226 Difference]: Without dead ends: 197 [2022-02-24 00:58:32,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:32,722 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 11 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:32,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 553 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 356 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-02-24 00:58:32,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-02-24 00:58:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2022-02-24 00:58:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5343915343915344) internal successors, (290), 189 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) [2022-02-24 00:58:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 294 transitions. [2022-02-24 00:58:32,726 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 294 transitions. Word has length 67 [2022-02-24 00:58:32,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:32,726 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 294 transitions. [2022-02-24 00:58:32,726 INFO L471 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) [2022-02-24 00:58:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2022-02-24 00:58:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-24 00:58:32,727 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:32,727 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:32,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-24 00:58:32,727 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1552237473, now seen corresponding path program 1 times [2022-02-24 00:58:32,728 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:32,728 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953765368] [2022-02-24 00:58:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:58:32,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:32,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953765368] [2022-02-24 00:58:32,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953765368] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:32,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:32,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:32,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776237919] [2022-02-24 00:58:32,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:32,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:32,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:32,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:32,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:32,843 INFO L87 Difference]: Start difference. First operand 194 states and 294 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) [2022-02-24 00:58:34,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:37,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:39,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:39,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:39,675 INFO L93 Difference]: Finished difference Result 488 states and 754 transitions. [2022-02-24 00:58:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:39,675 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 [2022-02-24 00:58:39,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:39,677 INFO L225 Difference]: With dead ends: 488 [2022-02-24 00:58:39,677 INFO L226 Difference]: Without dead ends: 320 [2022-02-24 00:58:39,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:39,677 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 135 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:39,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 392 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 495 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-02-24 00:58:39,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-02-24 00:58:39,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 234. [2022-02-24 00:58:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 229 states have (on average 1.5720524017467248) internal successors, (360), 229 states have internal predecessors, (360), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:39,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 364 transitions. [2022-02-24 00:58:39,682 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 364 transitions. Word has length 67 [2022-02-24 00:58:39,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:39,683 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 364 transitions. [2022-02-24 00:58:39,683 INFO L471 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) [2022-02-24 00:58:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 364 transitions. [2022-02-24 00:58:39,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-24 00:58:39,683 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:39,683 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:39,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-24 00:58:39,684 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:39,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:39,684 INFO L85 PathProgramCache]: Analyzing trace with hash 37532662, now seen corresponding path program 1 times [2022-02-24 00:58:39,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:39,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623335097] [2022-02-24 00:58:39,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:39,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:58:39,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:39,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623335097] [2022-02-24 00:58:39,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623335097] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:39,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:39,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:39,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657574153] [2022-02-24 00:58:39,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:39,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:39,772 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:39,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:39,773 INFO L87 Difference]: Start difference. First operand 234 states and 364 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) [2022-02-24 00:58:41,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:43,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:45,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:47,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:47,895 INFO L93 Difference]: Finished difference Result 550 states and 867 transitions. [2022-02-24 00:58:47,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:47,908 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 [2022-02-24 00:58:47,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:47,909 INFO L225 Difference]: With dead ends: 550 [2022-02-24 00:58:47,909 INFO L226 Difference]: Without dead ends: 342 [2022-02-24 00:58:47,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:47,910 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 134 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 62 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:47,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 503 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-02-24 00:58:47,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-02-24 00:58:47,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 257. [2022-02-24 00:58:47,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.6071428571428572) internal successors, (405), 252 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 409 transitions. [2022-02-24 00:58:47,915 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 409 transitions. Word has length 68 [2022-02-24 00:58:47,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:47,915 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 409 transitions. [2022-02-24 00:58:47,915 INFO L471 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) [2022-02-24 00:58:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 409 transitions. [2022-02-24 00:58:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-02-24 00:58:47,916 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:47,916 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:47,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-24 00:58:47,916 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:47,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:47,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1986857855, now seen corresponding path program 1 times [2022-02-24 00:58:47,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:47,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084019530] [2022-02-24 00:58:47,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:47,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-24 00:58:48,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:48,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084019530] [2022-02-24 00:58:48,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084019530] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:48,038 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:48,038 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:48,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067863701] [2022-02-24 00:58:48,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:48,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:48,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:48,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:48,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:48,039 INFO L87 Difference]: Start difference. First operand 257 states and 409 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) [2022-02-24 00:58:49,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:51,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:51,684 INFO L93 Difference]: Finished difference Result 529 states and 849 transitions. [2022-02-24 00:58:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:51,684 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 96 [2022-02-24 00:58:51,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:51,686 INFO L225 Difference]: With dead ends: 529 [2022-02-24 00:58:51,686 INFO L226 Difference]: Without dead ends: 298 [2022-02-24 00:58:51,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:51,687 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 31 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:51,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 555 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-02-24 00:58:51,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-02-24 00:58:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 279. [2022-02-24 00:58:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.6058394160583942) internal successors, (440), 274 states have internal predecessors, (440), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 444 transitions. [2022-02-24 00:58:51,692 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 444 transitions. Word has length 96 [2022-02-24 00:58:51,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:51,692 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 444 transitions. [2022-02-24 00:58:51,692 INFO L471 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) [2022-02-24 00:58:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 444 transitions. [2022-02-24 00:58:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-24 00:58:51,693 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:51,693 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:58:51,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-24 00:58:51,693 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:51,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:51,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1890503815, now seen corresponding path program 1 times [2022-02-24 00:58:51,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:51,694 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520324143] [2022-02-24 00:58:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-02-24 00:58:51,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:51,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520324143] [2022-02-24 00:58:51,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520324143] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:51,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:51,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:51,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701178930] [2022-02-24 00:58:51,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:51,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:51,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:51,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:51,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:51,794 INFO L87 Difference]: Start difference. First operand 279 states and 444 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:54,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:56,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:58:57,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:58:57,284 INFO L93 Difference]: Finished difference Result 545 states and 874 transitions. [2022-02-24 00:58:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:58:57,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-02-24 00:58:57,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:58:57,285 INFO L225 Difference]: With dead ends: 545 [2022-02-24 00:58:57,286 INFO L226 Difference]: Without dead ends: 292 [2022-02-24 00:58:57,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:58:57,286 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 21 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-24 00:58:57,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 620 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 412 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-02-24 00:58:57,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-02-24 00:58:57,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 279. [2022-02-24 00:58:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.602189781021898) internal successors, (439), 274 states have internal predecessors, (439), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 443 transitions. [2022-02-24 00:58:57,292 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 443 transitions. Word has length 110 [2022-02-24 00:58:57,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:58:57,292 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 443 transitions. [2022-02-24 00:58:57,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:58:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 443 transitions. [2022-02-24 00:58:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-24 00:58:57,293 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:58:57,293 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2022-02-24 00:58:57,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-24 00:58:57,293 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:58:57,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:58:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1976531207, now seen corresponding path program 1 times [2022-02-24 00:58:57,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:58:57,294 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846170182] [2022-02-24 00:58:57,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:58:57,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:58:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:58:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:58:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-24 00:58:57,404 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:58:57,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846170182] [2022-02-24 00:58:57,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846170182] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:58:57,404 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:58:57,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:58:57,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844487901] [2022-02-24 00:58:57,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:58:57,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:58:57,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:58:57,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:58:57,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:58:57,405 INFO L87 Difference]: Start difference. First operand 279 states and 443 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) [2022-02-24 00:58:59,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:01,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:02,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:03,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:03,545 INFO L93 Difference]: Finished difference Result 550 states and 880 transitions. [2022-02-24 00:59:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:03,545 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 110 [2022-02-24 00:59:03,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:03,546 INFO L225 Difference]: With dead ends: 550 [2022-02-24 00:59:03,546 INFO L226 Difference]: Without dead ends: 297 [2022-02-24 00:59:03,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:03,547 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 34 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:03,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 557 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-02-24 00:59:03,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-02-24 00:59:03,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 279. [2022-02-24 00:59:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.5985401459854014) internal successors, (438), 274 states have internal predecessors, (438), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 442 transitions. [2022-02-24 00:59:03,552 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 442 transitions. Word has length 110 [2022-02-24 00:59:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:03,552 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 442 transitions. [2022-02-24 00:59:03,552 INFO L471 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) [2022-02-24 00:59:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 442 transitions. [2022-02-24 00:59:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-24 00:59:03,553 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:03,553 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:03,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-24 00:59:03,553 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:03,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:03,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1574692822, now seen corresponding path program 1 times [2022-02-24 00:59:03,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:03,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477721448] [2022-02-24 00:59:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:03,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-02-24 00:59:03,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:03,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477721448] [2022-02-24 00:59:03,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477721448] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:03,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:03,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 00:59:03,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786727006] [2022-02-24 00:59:03,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:03,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 00:59:03,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:03,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 00:59:03,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:03,664 INFO L87 Difference]: Start difference. First operand 279 states and 442 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 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) [2022-02-24 00:59:05,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:07,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:09,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:11,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:12,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:12,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:12,618 INFO L93 Difference]: Finished difference Result 541 states and 866 transitions. [2022-02-24 00:59:12,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 00:59:12,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 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 111 [2022-02-24 00:59:12,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:12,620 INFO L225 Difference]: With dead ends: 541 [2022-02-24 00:59:12,620 INFO L226 Difference]: Without dead ends: 288 [2022-02-24 00:59:12,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-24 00:59:12,621 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 3 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:12,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 697 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 450 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-02-24 00:59:12,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-02-24 00:59:12,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-02-24 00:59:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5865724381625441) internal successors, (449), 283 states have internal predecessors, (449), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 453 transitions. [2022-02-24 00:59:12,626 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 453 transitions. Word has length 111 [2022-02-24 00:59:12,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:12,626 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 453 transitions. [2022-02-24 00:59:12,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 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) [2022-02-24 00:59:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 453 transitions. [2022-02-24 00:59:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-24 00:59:12,627 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:12,627 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:12,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-24 00:59:12,628 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:12,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:12,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1141643190, now seen corresponding path program 1 times [2022-02-24 00:59:12,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:12,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840927773] [2022-02-24 00:59:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-24 00:59:12,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:12,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840927773] [2022-02-24 00:59:12,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840927773] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:12,712 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:12,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:12,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603991826] [2022-02-24 00:59:12,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:12,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:12,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:12,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:12,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:12,713 INFO L87 Difference]: Start difference. First operand 288 states and 453 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:15,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:16,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:17,332 INFO L93 Difference]: Finished difference Result 577 states and 911 transitions. [2022-02-24 00:59:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:17,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 111 [2022-02-24 00:59:17,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:17,346 INFO L225 Difference]: With dead ends: 577 [2022-02-24 00:59:17,346 INFO L226 Difference]: Without dead ends: 315 [2022-02-24 00:59:17,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:17,347 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 39 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:17,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 557 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-02-24 00:59:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-24 00:59:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2022-02-24 00:59:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5830388692579505) internal successors, (448), 283 states have internal predecessors, (448), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 452 transitions. [2022-02-24 00:59:17,359 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 452 transitions. Word has length 111 [2022-02-24 00:59:17,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:17,359 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 452 transitions. [2022-02-24 00:59:17,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 452 transitions. [2022-02-24 00:59:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-24 00:59:17,385 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:17,386 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:17,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-24 00:59:17,386 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:17,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1562282836, now seen corresponding path program 1 times [2022-02-24 00:59:17,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:17,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466340131] [2022-02-24 00:59:17,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-24 00:59:17,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:17,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466340131] [2022-02-24 00:59:17,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466340131] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:17,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:17,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:17,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224898934] [2022-02-24 00:59:17,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:17,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:17,499 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:17,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:17,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:17,500 INFO L87 Difference]: Start difference. First operand 288 states and 452 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:19,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:21,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:23,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:23,939 INFO L93 Difference]: Finished difference Result 644 states and 1008 transitions. [2022-02-24 00:59:23,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:23,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2022-02-24 00:59:23,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:23,940 INFO L225 Difference]: With dead ends: 644 [2022-02-24 00:59:23,940 INFO L226 Difference]: Without dead ends: 382 [2022-02-24 00:59:23,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:23,942 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 160 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:23,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-02-24 00:59:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-02-24 00:59:23,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 288. [2022-02-24 00:59:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.568904593639576) internal successors, (444), 283 states have internal predecessors, (444), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 448 transitions. [2022-02-24 00:59:23,948 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 448 transitions. Word has length 112 [2022-02-24 00:59:23,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:23,948 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 448 transitions. [2022-02-24 00:59:23,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 448 transitions. [2022-02-24 00:59:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-24 00:59:23,949 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:23,949 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:23,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-24 00:59:23,949 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash -452187025, now seen corresponding path program 1 times [2022-02-24 00:59:23,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:23,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578371946] [2022-02-24 00:59:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:24,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-24 00:59:24,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:24,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578371946] [2022-02-24 00:59:24,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578371946] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:24,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:24,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:24,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818177570] [2022-02-24 00:59:24,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:24,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:24,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:24,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:24,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:24,069 INFO L87 Difference]: Start difference. First operand 288 states and 448 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:25,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:27,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:29,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:30,052 INFO L93 Difference]: Finished difference Result 567 states and 888 transitions. [2022-02-24 00:59:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:30,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 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 114 [2022-02-24 00:59:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:30,053 INFO L225 Difference]: With dead ends: 567 [2022-02-24 00:59:30,053 INFO L226 Difference]: Without dead ends: 305 [2022-02-24 00:59:30,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:30,057 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 33 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:30,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 559 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 403 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-02-24 00:59:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-24 00:59:30,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 288. [2022-02-24 00:59:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5653710247349824) internal successors, (443), 283 states have internal predecessors, (443), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:30,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 447 transitions. [2022-02-24 00:59:30,079 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 447 transitions. Word has length 114 [2022-02-24 00:59:30,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:30,080 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 447 transitions. [2022-02-24 00:59:30,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:30,080 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 447 transitions. [2022-02-24 00:59:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-24 00:59:30,081 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:30,081 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:30,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-24 00:59:30,081 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:30,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1883754976, now seen corresponding path program 1 times [2022-02-24 00:59:30,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:30,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530742298] [2022-02-24 00:59:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:30,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 00:59:30,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:30,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530742298] [2022-02-24 00:59:30,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530742298] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:30,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:30,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:30,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008604357] [2022-02-24 00:59:30,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:30,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:30,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:30,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:30,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:30,182 INFO L87 Difference]: Start difference. First operand 288 states and 447 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:31,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:33,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:35,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:36,314 INFO L93 Difference]: Finished difference Result 659 states and 1029 transitions. [2022-02-24 00:59:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:36,315 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 [2022-02-24 00:59:36,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:36,331 INFO L225 Difference]: With dead ends: 659 [2022-02-24 00:59:36,331 INFO L226 Difference]: Without dead ends: 397 [2022-02-24 00:59:36,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:36,332 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 98 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:36,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 553 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 543 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-02-24 00:59:36,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-02-24 00:59:36,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 322. [2022-02-24 00:59:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.5741324921135647) internal successors, (499), 317 states have internal predecessors, (499), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 503 transitions. [2022-02-24 00:59:36,338 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 503 transitions. Word has length 118 [2022-02-24 00:59:36,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:36,338 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 503 transitions. [2022-02-24 00:59:36,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 503 transitions. [2022-02-24 00:59:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-24 00:59:36,339 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:36,339 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:36,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-24 00:59:36,339 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:36,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:36,339 INFO L85 PathProgramCache]: Analyzing trace with hash -929526081, now seen corresponding path program 1 times [2022-02-24 00:59:36,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:36,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706641112] [2022-02-24 00:59:36,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:36,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-02-24 00:59:36,460 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:36,460 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706641112] [2022-02-24 00:59:36,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706641112] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:36,460 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:36,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:36,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758529960] [2022-02-24 00:59:36,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:36,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:36,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:36,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:36,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:36,462 INFO L87 Difference]: Start difference. First operand 322 states and 503 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) [2022-02-24 00:59:37,938 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 [] [2022-02-24 00:59:39,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:41,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:42,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:42,133 INFO L93 Difference]: Finished difference Result 675 states and 1058 transitions. [2022-02-24 00:59:42,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:42,134 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 [2022-02-24 00:59:42,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:42,135 INFO L225 Difference]: With dead ends: 675 [2022-02-24 00:59:42,135 INFO L226 Difference]: Without dead ends: 379 [2022-02-24 00:59:42,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:42,136 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 38 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:42,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 655 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-02-24 00:59:42,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-02-24 00:59:42,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 346. [2022-02-24 00:59:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5747800586510263) internal successors, (537), 341 states have internal predecessors, (537), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 541 transitions. [2022-02-24 00:59:42,141 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 541 transitions. Word has length 118 [2022-02-24 00:59:42,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:42,141 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 541 transitions. [2022-02-24 00:59:42,141 INFO L471 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) [2022-02-24 00:59:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 541 transitions. [2022-02-24 00:59:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-24 00:59:42,142 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:42,143 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:42,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-24 00:59:42,143 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:42,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:42,143 INFO L85 PathProgramCache]: Analyzing trace with hash 638819263, now seen corresponding path program 1 times [2022-02-24 00:59:42,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:42,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325497146] [2022-02-24 00:59:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-24 00:59:42,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:42,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325497146] [2022-02-24 00:59:42,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325497146] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:42,231 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:42,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:42,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552133190] [2022-02-24 00:59:42,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:42,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:42,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:42,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:42,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:42,232 INFO L87 Difference]: Start difference. First operand 346 states and 541 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) [2022-02-24 00:59:43,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:45,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:47,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:47,290 INFO L93 Difference]: Finished difference Result 750 states and 1174 transitions. [2022-02-24 00:59:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:47,290 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 [2022-02-24 00:59:47,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:47,291 INFO L225 Difference]: With dead ends: 750 [2022-02-24 00:59:47,291 INFO L226 Difference]: Without dead ends: 430 [2022-02-24 00:59:47,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:47,292 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 161 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:47,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 392 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-02-24 00:59:47,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-02-24 00:59:47,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 346. [2022-02-24 00:59:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5571847507331378) internal successors, (531), 341 states have internal predecessors, (531), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 535 transitions. [2022-02-24 00:59:47,298 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 535 transitions. Word has length 123 [2022-02-24 00:59:47,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:47,298 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 535 transitions. [2022-02-24 00:59:47,298 INFO L471 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) [2022-02-24 00:59:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 535 transitions. [2022-02-24 00:59:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-02-24 00:59:47,299 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:47,299 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:47,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-24 00:59:47,299 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:47,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:47,300 INFO L85 PathProgramCache]: Analyzing trace with hash -194713814, now seen corresponding path program 1 times [2022-02-24 00:59:47,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:47,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984830417] [2022-02-24 00:59:47,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 00:59:47,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:47,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984830417] [2022-02-24 00:59:47,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984830417] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:47,394 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:47,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:47,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621299649] [2022-02-24 00:59:47,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:47,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:47,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:47,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:47,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:47,394 INFO L87 Difference]: Start difference. First operand 346 states and 535 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:48,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:50,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:52,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:53,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:53,567 INFO L93 Difference]: Finished difference Result 790 states and 1230 transitions. [2022-02-24 00:59:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:53,567 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 [2022-02-24 00:59:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:53,582 INFO L225 Difference]: With dead ends: 790 [2022-02-24 00:59:53,583 INFO L226 Difference]: Without dead ends: 470 [2022-02-24 00:59:53,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:53,584 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 134 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:53,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 392 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 490 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-02-24 00:59:53,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-02-24 00:59:53,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 383. [2022-02-24 00:59:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 378 states have (on average 1.5687830687830688) internal successors, (593), 378 states have internal predecessors, (593), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 597 transitions. [2022-02-24 00:59:53,615 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 597 transitions. Word has length 124 [2022-02-24 00:59:53,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:53,615 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 597 transitions. [2022-02-24 00:59:53,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 597 transitions. [2022-02-24 00:59:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-02-24 00:59:53,616 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:53,616 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:59:53,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-24 00:59:53,616 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:53,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:53,617 INFO L85 PathProgramCache]: Analyzing trace with hash 615512470, now seen corresponding path program 1 times [2022-02-24 00:59:53,617 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:53,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198565087] [2022-02-24 00:59:53,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 00:59:53,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:53,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198565087] [2022-02-24 00:59:53,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198565087] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:53,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:53,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:53,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351485036] [2022-02-24 00:59:53,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:53,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:53,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:53,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:53,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:53,741 INFO L87 Difference]: Start difference. First operand 383 states and 597 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:56,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:58,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:59:59,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:59:59,450 INFO L93 Difference]: Finished difference Result 802 states and 1255 transitions. [2022-02-24 00:59:59,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:59:59,451 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 125 [2022-02-24 00:59:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:59:59,452 INFO L225 Difference]: With dead ends: 802 [2022-02-24 00:59:59,452 INFO L226 Difference]: Without dead ends: 445 [2022-02-24 00:59:59,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:59:59,453 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 86 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:59:59,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 523 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 519 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-02-24 00:59:59,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-02-24 00:59:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 389. [2022-02-24 00:59:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 384 states have (on average 1.5703125) internal successors, (603), 384 states have internal predecessors, (603), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 607 transitions. [2022-02-24 00:59:59,459 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 607 transitions. Word has length 125 [2022-02-24 00:59:59,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:59:59,459 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 607 transitions. [2022-02-24 00:59:59,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:59:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 607 transitions. [2022-02-24 00:59:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-24 00:59:59,460 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:59:59,460 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2022-02-24 00:59:59,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-24 00:59:59,461 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:59:59,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:59:59,461 INFO L85 PathProgramCache]: Analyzing trace with hash 19132518, now seen corresponding path program 1 times [2022-02-24 00:59:59,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:59:59,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281206029] [2022-02-24 00:59:59,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:59:59,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:59:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:59:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:59:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:59:59,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:59:59,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281206029] [2022-02-24 00:59:59,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281206029] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:59:59,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:59:59,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:59:59,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068449672] [2022-02-24 00:59:59,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:59:59,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:59:59,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:59:59,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:59:59,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:59:59,577 INFO L87 Difference]: Start difference. First operand 389 states and 607 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:02,091 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 [] [2022-02-24 01:00:04,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:06,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:06,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:06,574 INFO L93 Difference]: Finished difference Result 835 states and 1305 transitions. [2022-02-24 01:00:06,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:06,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 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 [2022-02-24 01:00:06,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:06,575 INFO L225 Difference]: With dead ends: 835 [2022-02-24 01:00:06,576 INFO L226 Difference]: Without dead ends: 472 [2022-02-24 01:00:06,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:06,577 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 153 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:06,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 394 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-02-24 01:00:06,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-02-24 01:00:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 389. [2022-02-24 01:00:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 384 states have (on average 1.5572916666666667) internal successors, (598), 384 states have internal predecessors, (598), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 602 transitions. [2022-02-24 01:00:06,583 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 602 transitions. Word has length 132 [2022-02-24 01:00:06,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:06,584 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 602 transitions. [2022-02-24 01:00:06,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 602 transitions. [2022-02-24 01:00:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-24 01:00:06,585 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:06,585 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:06,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-24 01:00:06,585 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:06,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:06,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1069531404, now seen corresponding path program 1 times [2022-02-24 01:00:06,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:06,586 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890681256] [2022-02-24 01:00:06,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:06,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:06,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 01:00:06,683 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:06,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890681256] [2022-02-24 01:00:06,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890681256] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:06,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:06,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:06,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364819838] [2022-02-24 01:00:06,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:06,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:06,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:06,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:06,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:06,684 INFO L87 Difference]: Start difference. First operand 389 states and 602 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) [2022-02-24 01:00:09,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:11,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:12,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:12,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:12,831 INFO L93 Difference]: Finished difference Result 875 states and 1361 transitions. [2022-02-24 01:00:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:12,832 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 [2022-02-24 01:00:12,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:12,833 INFO L225 Difference]: With dead ends: 875 [2022-02-24 01:00:12,833 INFO L226 Difference]: Without dead ends: 512 [2022-02-24 01:00:12,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:12,835 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 126 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 58 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:12,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 419 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 500 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-02-24 01:00:12,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-02-24 01:00:12,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 432. [2022-02-24 01:00:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 427 states have (on average 1.5667447306791569) internal successors, (669), 427 states have internal predecessors, (669), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 673 transitions. [2022-02-24 01:00:12,848 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 673 transitions. Word has length 132 [2022-02-24 01:00:12,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:12,848 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 673 transitions. [2022-02-24 01:00:12,848 INFO L471 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) [2022-02-24 01:00:12,849 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 673 transitions. [2022-02-24 01:00:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-02-24 01:00:12,850 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:12,850 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:12,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-24 01:00:12,850 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:12,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:12,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1691460405, now seen corresponding path program 1 times [2022-02-24 01:00:12,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:12,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108426959] [2022-02-24 01:00:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:12,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:12,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:00:12,951 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:12,951 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108426959] [2022-02-24 01:00:12,951 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108426959] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:12,951 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:12,951 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:12,951 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070243071] [2022-02-24 01:00:12,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:12,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:12,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:12,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:12,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:12,953 INFO L87 Difference]: Start difference. First operand 432 states and 673 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:15,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:17,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:18,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:18,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:18,904 INFO L93 Difference]: Finished difference Result 921 states and 1437 transitions. [2022-02-24 01:00:18,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:18,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 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 133 [2022-02-24 01:00:18,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:18,906 INFO L225 Difference]: With dead ends: 921 [2022-02-24 01:00:18,906 INFO L226 Difference]: Without dead ends: 515 [2022-02-24 01:00:18,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:18,907 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 158 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:18,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 394 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-02-24 01:00:18,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-02-24 01:00:18,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 432. [2022-02-24 01:00:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 427 states have (on average 1.550351288056206) internal successors, (662), 427 states have internal predecessors, (662), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 666 transitions. [2022-02-24 01:00:18,916 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 666 transitions. Word has length 133 [2022-02-24 01:00:18,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:18,916 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 666 transitions. [2022-02-24 01:00:18,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 666 transitions. [2022-02-24 01:00:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-02-24 01:00:18,917 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:18,917 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:18,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-24 01:00:18,917 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:18,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:18,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1213881734, now seen corresponding path program 1 times [2022-02-24 01:00:18,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:18,918 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075610052] [2022-02-24 01:00:18,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:18,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 01:00:19,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:19,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075610052] [2022-02-24 01:00:19,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075610052] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:19,030 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:19,030 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:19,030 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276638435] [2022-02-24 01:00:19,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:19,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:19,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:19,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:19,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:19,031 INFO L87 Difference]: Start difference. First operand 432 states and 666 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) [2022-02-24 01:00:20,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:21,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:23,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:25,099 INFO L93 Difference]: Finished difference Result 921 states and 1423 transitions. [2022-02-24 01:00:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:25,099 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 133 [2022-02-24 01:00:25,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:25,101 INFO L225 Difference]: With dead ends: 921 [2022-02-24 01:00:25,101 INFO L226 Difference]: Without dead ends: 513 [2022-02-24 01:00:25,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:25,102 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 126 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:25,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 418 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 500 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-02-24 01:00:25,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-02-24 01:00:25,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 434. [2022-02-24 01:00:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5501165501165501) internal successors, (665), 429 states have internal predecessors, (665), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 669 transitions. [2022-02-24 01:00:25,126 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 669 transitions. Word has length 133 [2022-02-24 01:00:25,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:25,127 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 669 transitions. [2022-02-24 01:00:25,127 INFO L471 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) [2022-02-24 01:00:25,127 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 669 transitions. [2022-02-24 01:00:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-02-24 01:00:25,128 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:25,128 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:25,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-24 01:00:25,128 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:25,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:25,128 INFO L85 PathProgramCache]: Analyzing trace with hash 948427854, now seen corresponding path program 1 times [2022-02-24 01:00:25,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:25,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601922098] [2022-02-24 01:00:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:00:25,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:25,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601922098] [2022-02-24 01:00:25,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601922098] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:25,231 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:25,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:25,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373742173] [2022-02-24 01:00:25,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:25,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:25,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:25,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:25,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:25,232 INFO L87 Difference]: Start difference. First operand 434 states and 669 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:28,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:30,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:31,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:31,079 INFO L93 Difference]: Finished difference Result 880 states and 1362 transitions. [2022-02-24 01:00:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:31,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 136 [2022-02-24 01:00:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:31,081 INFO L225 Difference]: With dead ends: 880 [2022-02-24 01:00:31,081 INFO L226 Difference]: Without dead ends: 472 [2022-02-24 01:00:31,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:31,082 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 88 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:31,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 543 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 498 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-02-24 01:00:31,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-02-24 01:00:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 434. [2022-02-24 01:00:31,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5477855477855478) internal successors, (664), 429 states have internal predecessors, (664), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 668 transitions. [2022-02-24 01:00:31,091 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 668 transitions. Word has length 136 [2022-02-24 01:00:31,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:31,091 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 668 transitions. [2022-02-24 01:00:31,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:31,091 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 668 transitions. [2022-02-24 01:00:31,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-02-24 01:00:31,092 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:31,092 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:31,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-24 01:00:31,092 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:31,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:31,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1696402643, now seen corresponding path program 1 times [2022-02-24 01:00:31,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:31,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634594010] [2022-02-24 01:00:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:00:31,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:31,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634594010] [2022-02-24 01:00:31,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634594010] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:31,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:31,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:31,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599849270] [2022-02-24 01:00:31,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:31,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:31,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:31,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:31,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:31,182 INFO L87 Difference]: Start difference. First operand 434 states and 668 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:32,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:34,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:37,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:37,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:37,488 INFO L93 Difference]: Finished difference Result 854 states and 1323 transitions. [2022-02-24 01:00:37,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:37,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 136 [2022-02-24 01:00:37,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:37,489 INFO L225 Difference]: With dead ends: 854 [2022-02-24 01:00:37,489 INFO L226 Difference]: Without dead ends: 446 [2022-02-24 01:00:37,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:37,490 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 36 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:37,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 637 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 439 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-02-24 01:00:37,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-02-24 01:00:37,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 434. [2022-02-24 01:00:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5454545454545454) internal successors, (663), 429 states have internal predecessors, (663), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 667 transitions. [2022-02-24 01:00:37,500 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 667 transitions. Word has length 136 [2022-02-24 01:00:37,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:37,501 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 667 transitions. [2022-02-24 01:00:37,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 667 transitions. [2022-02-24 01:00:37,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-02-24 01:00:37,502 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:37,502 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:37,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-24 01:00:37,502 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:37,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:37,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1332153182, now seen corresponding path program 1 times [2022-02-24 01:00:37,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:37,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799286751] [2022-02-24 01:00:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:37,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:00:37,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:37,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799286751] [2022-02-24 01:00:37,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799286751] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:37,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:37,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:37,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834476459] [2022-02-24 01:00:37,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:37,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:37,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:37,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:37,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:37,595 INFO L87 Difference]: Start difference. First operand 434 states and 667 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:39,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:40,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:40,035 INFO L93 Difference]: Finished difference Result 880 states and 1358 transitions. [2022-02-24 01:00:40,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:40,035 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 [2022-02-24 01:00:40,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:40,036 INFO L225 Difference]: With dead ends: 880 [2022-02-24 01:00:40,036 INFO L226 Difference]: Without dead ends: 472 [2022-02-24 01:00:40,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:40,038 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 78 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:40,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 559 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 503 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-24 01:00:40,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-02-24 01:00:40,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 434. [2022-02-24 01:00:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.543123543123543) internal successors, (662), 429 states have internal predecessors, (662), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 666 transitions. [2022-02-24 01:00:40,044 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 666 transitions. Word has length 140 [2022-02-24 01:00:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:40,044 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 666 transitions. [2022-02-24 01:00:40,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 666 transitions. [2022-02-24 01:00:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-02-24 01:00:40,045 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:40,045 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:40,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-24 01:00:40,045 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:40,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:40,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1317903037, now seen corresponding path program 1 times [2022-02-24 01:00:40,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:40,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521105430] [2022-02-24 01:00:40,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:40,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-24 01:00:40,200 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:40,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521105430] [2022-02-24 01:00:40,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521105430] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:40,200 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:40,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:40,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146631813] [2022-02-24 01:00:40,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:40,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:40,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:40,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:40,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:40,201 INFO L87 Difference]: Start difference. First operand 434 states and 666 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:41,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:43,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:45,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:45,989 INFO L93 Difference]: Finished difference Result 999 states and 1545 transitions. [2022-02-24 01:00:45,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:45,990 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 [2022-02-24 01:00:45,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:45,991 INFO L225 Difference]: With dead ends: 999 [2022-02-24 01:00:45,991 INFO L226 Difference]: Without dead ends: 591 [2022-02-24 01:00:45,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:45,992 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 134 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:45,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 432 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 493 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-02-24 01:00:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-02-24 01:00:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 498. [2022-02-24 01:00:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5456389452332657) internal successors, (762), 493 states have internal predecessors, (762), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 766 transitions. [2022-02-24 01:00:46,001 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 766 transitions. Word has length 140 [2022-02-24 01:00:46,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:46,002 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 766 transitions. [2022-02-24 01:00:46,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 766 transitions. [2022-02-24 01:00:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-24 01:00:46,003 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:46,003 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:46,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-24 01:00:46,003 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:46,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:46,003 INFO L85 PathProgramCache]: Analyzing trace with hash -33221834, now seen corresponding path program 1 times [2022-02-24 01:00:46,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:46,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179615594] [2022-02-24 01:00:46,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:46,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:00:46,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:46,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179615594] [2022-02-24 01:00:46,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179615594] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:46,097 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:46,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:46,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716392073] [2022-02-24 01:00:46,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:46,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:46,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:46,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:46,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:46,098 INFO L87 Difference]: Start difference. First operand 498 states and 766 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:48,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:50,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:51,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:51,206 INFO L93 Difference]: Finished difference Result 1008 states and 1556 transitions. [2022-02-24 01:00:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:51,206 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 [2022-02-24 01:00:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:51,208 INFO L225 Difference]: With dead ends: 1008 [2022-02-24 01:00:51,208 INFO L226 Difference]: Without dead ends: 536 [2022-02-24 01:00:51,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:51,209 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 71 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:51,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 559 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 506 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-02-24 01:00:51,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2022-02-24 01:00:51,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 498. [2022-02-24 01:00:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5436105476673427) internal successors, (761), 493 states have internal predecessors, (761), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 765 transitions. [2022-02-24 01:00:51,224 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 765 transitions. Word has length 145 [2022-02-24 01:00:51,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:51,224 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 765 transitions. [2022-02-24 01:00:51,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 765 transitions. [2022-02-24 01:00:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-24 01:00:51,225 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:51,225 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:51,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-24 01:00:51,225 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:51,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:51,226 INFO L85 PathProgramCache]: Analyzing trace with hash 946421911, now seen corresponding path program 1 times [2022-02-24 01:00:51,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:51,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214435659] [2022-02-24 01:00:51,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:51,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:00:51,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:51,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214435659] [2022-02-24 01:00:51,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214435659] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:51,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:51,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:00:51,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491303300] [2022-02-24 01:00:51,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:51,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:00:51,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:51,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:00:51,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:00:51,361 INFO L87 Difference]: Start difference. First operand 498 states and 765 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:52,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:53,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:55,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:00:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:00:55,865 INFO L93 Difference]: Finished difference Result 1049 states and 1614 transitions. [2022-02-24 01:00:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:00:55,865 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 [2022-02-24 01:00:55,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:00:55,867 INFO L225 Difference]: With dead ends: 1049 [2022-02-24 01:00:55,867 INFO L226 Difference]: Without dead ends: 577 [2022-02-24 01:00:55,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:00:55,868 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 136 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-02-24 01:00:55,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-02-24 01:00:55,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-02-24 01:00:55,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 498. [2022-02-24 01:00:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5294117647058822) internal successors, (754), 493 states have internal predecessors, (754), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 758 transitions. [2022-02-24 01:00:55,874 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 758 transitions. Word has length 146 [2022-02-24 01:00:55,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:00:55,874 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 758 transitions. [2022-02-24 01:00:55,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 758 transitions. [2022-02-24 01:00:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-24 01:00:55,875 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:00:55,875 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:00:55,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-24 01:00:55,875 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:00:55,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:00:55,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1337879975, now seen corresponding path program 1 times [2022-02-24 01:00:55,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:00:55,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845541080] [2022-02-24 01:00:55,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:00:55,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:00:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:00:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:00:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-24 01:00:55,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:00:55,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845541080] [2022-02-24 01:00:55,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845541080] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:00:55,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:00:55,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 01:00:55,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649367447] [2022-02-24 01:00:55,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:00:55,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 01:00:55,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:00:55,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 01:00:55,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:00:55,985 INFO L87 Difference]: Start difference. First operand 498 states and 758 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:00:58,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:00,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:00,850 INFO L93 Difference]: Finished difference Result 1437 states and 2208 transitions. [2022-02-24 01:01:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 01:01:00,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 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 147 [2022-02-24 01:01:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:00,853 INFO L225 Difference]: With dead ends: 1437 [2022-02-24 01:01:00,853 INFO L226 Difference]: Without dead ends: 965 [2022-02-24 01:01:00,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:01:00,854 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 147 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:00,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 330 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-02-24 01:01:00,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-02-24 01:01:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2022-02-24 01:01:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 958 states have (on average 1.5208768267223383) internal successors, (1457), 958 states have internal predecessors, (1457), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1461 transitions. [2022-02-24 01:01:00,876 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1461 transitions. Word has length 147 [2022-02-24 01:01:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:00,876 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1461 transitions. [2022-02-24 01:01:00,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1461 transitions. [2022-02-24 01:01:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-24 01:01:00,877 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:00,878 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:00,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-24 01:01:00,878 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:00,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1021427034, now seen corresponding path program 1 times [2022-02-24 01:01:00,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:00,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677230277] [2022-02-24 01:01:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:00,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:01,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-02-24 01:01:01,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:01,026 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677230277] [2022-02-24 01:01:01,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677230277] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:01,026 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:01,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:01,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278770775] [2022-02-24 01:01:01,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:01,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:01,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:01,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:01,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:01,026 INFO L87 Difference]: Start difference. First operand 963 states and 1461 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:02,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:04,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:06,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:07,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:07,732 INFO L93 Difference]: Finished difference Result 1999 states and 3034 transitions. [2022-02-24 01:01:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:07,747 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 147 [2022-02-24 01:01:07,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:07,750 INFO L225 Difference]: With dead ends: 1999 [2022-02-24 01:01:07,750 INFO L226 Difference]: Without dead ends: 1062 [2022-02-24 01:01:07,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:07,751 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 38 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:07,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 625 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 471 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-02-24 01:01:07,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-02-24 01:01:07,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1015. [2022-02-24 01:01:07,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.5198019801980198) internal successors, (1535), 1010 states have internal predecessors, (1535), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:07,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1539 transitions. [2022-02-24 01:01:07,776 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1539 transitions. Word has length 147 [2022-02-24 01:01:07,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:07,776 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1539 transitions. [2022-02-24 01:01:07,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:07,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1539 transitions. [2022-02-24 01:01:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-02-24 01:01:07,778 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:07,778 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:07,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-24 01:01:07,778 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash 704522437, now seen corresponding path program 1 times [2022-02-24 01:01:07,778 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:07,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256135565] [2022-02-24 01:01:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:01:07,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:07,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256135565] [2022-02-24 01:01:07,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256135565] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:07,949 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:07,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:07,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551998700] [2022-02-24 01:01:07,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:07,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:07,951 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:07,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:07,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:07,952 INFO L87 Difference]: Start difference. First operand 1015 states and 1539 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:09,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:11,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:13,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:14,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:14,202 INFO L93 Difference]: Finished difference Result 2075 states and 3145 transitions. [2022-02-24 01:01:14,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:14,203 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 [2022-02-24 01:01:14,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:14,205 INFO L225 Difference]: With dead ends: 2075 [2022-02-24 01:01:14,205 INFO L226 Difference]: Without dead ends: 1086 [2022-02-24 01:01:14,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:14,207 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 70 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:14,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 561 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-02-24 01:01:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-02-24 01:01:14,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1015. [2022-02-24 01:01:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.5178217821782178) internal successors, (1533), 1010 states have internal predecessors, (1533), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1537 transitions. [2022-02-24 01:01:14,220 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1537 transitions. Word has length 149 [2022-02-24 01:01:14,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:14,220 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1537 transitions. [2022-02-24 01:01:14,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1537 transitions. [2022-02-24 01:01:14,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-02-24 01:01:14,222 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:14,222 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:14,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-24 01:01:14,223 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:14,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:14,223 INFO L85 PathProgramCache]: Analyzing trace with hash -404859036, now seen corresponding path program 1 times [2022-02-24 01:01:14,223 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:14,223 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578249944] [2022-02-24 01:01:14,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:14,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 01:01:14,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:14,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578249944] [2022-02-24 01:01:14,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578249944] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:14,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:14,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:14,323 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69423486] [2022-02-24 01:01:14,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:14,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:14,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:14,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:14,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:14,343 INFO L87 Difference]: Start difference. First operand 1015 states and 1537 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:15,384 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 [] [2022-02-24 01:01:16,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:19,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:20,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:20,102 INFO L93 Difference]: Finished difference Result 2157 states and 3252 transitions. [2022-02-24 01:01:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:20,103 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 150 [2022-02-24 01:01:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:20,105 INFO L225 Difference]: With dead ends: 2157 [2022-02-24 01:01:20,105 INFO L226 Difference]: Without dead ends: 1168 [2022-02-24 01:01:20,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:20,107 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 137 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:20,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-02-24 01:01:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-02-24 01:01:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1015. [2022-02-24 01:01:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.503960396039604) internal successors, (1519), 1010 states have internal predecessors, (1519), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1523 transitions. [2022-02-24 01:01:20,120 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1523 transitions. Word has length 150 [2022-02-24 01:01:20,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:20,120 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1523 transitions. [2022-02-24 01:01:20,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1523 transitions. [2022-02-24 01:01:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-02-24 01:01:20,121 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:20,121 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:20,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-24 01:01:20,122 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1090400704, now seen corresponding path program 1 times [2022-02-24 01:01:20,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:20,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324551599] [2022-02-24 01:01:20,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:20,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:20,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-24 01:01:20,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:20,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324551599] [2022-02-24 01:01:20,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324551599] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:20,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:20,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:20,212 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874177768] [2022-02-24 01:01:20,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:20,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:20,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:20,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:20,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:20,212 INFO L87 Difference]: Start difference. First operand 1015 states and 1523 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:21,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:23,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:25,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:26,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:26,303 INFO L93 Difference]: Finished difference Result 2059 states and 3087 transitions. [2022-02-24 01:01:26,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:26,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-02-24 01:01:26,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:26,306 INFO L225 Difference]: With dead ends: 2059 [2022-02-24 01:01:26,306 INFO L226 Difference]: Without dead ends: 1070 [2022-02-24 01:01:26,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:26,307 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 61 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:26,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 579 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 485 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-02-24 01:01:26,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2022-02-24 01:01:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1015. [2022-02-24 01:01:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.501980198019802) internal successors, (1517), 1010 states have internal predecessors, (1517), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1521 transitions. [2022-02-24 01:01:26,319 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1521 transitions. Word has length 153 [2022-02-24 01:01:26,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:26,320 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1521 transitions. [2022-02-24 01:01:26,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1521 transitions. [2022-02-24 01:01:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-02-24 01:01:26,321 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:26,321 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:26,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-24 01:01:26,321 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:26,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:26,322 INFO L85 PathProgramCache]: Analyzing trace with hash 97133601, now seen corresponding path program 1 times [2022-02-24 01:01:26,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:26,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673163902] [2022-02-24 01:01:26,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:26,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:26,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-24 01:01:26,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:26,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673163902] [2022-02-24 01:01:26,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673163902] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:26,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:26,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:26,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119765736] [2022-02-24 01:01:26,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:26,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:26,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:26,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:26,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:26,428 INFO L87 Difference]: Start difference. First operand 1015 states and 1521 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:27,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:29,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:31,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:31,246 INFO L93 Difference]: Finished difference Result 2157 states and 3220 transitions. [2022-02-24 01:01:31,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:31,246 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 154 [2022-02-24 01:01:31,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:31,249 INFO L225 Difference]: With dead ends: 2157 [2022-02-24 01:01:31,249 INFO L226 Difference]: Without dead ends: 1168 [2022-02-24 01:01:31,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:31,251 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 138 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:31,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-24 01:01:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-02-24 01:01:31,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1015. [2022-02-24 01:01:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.488118811881188) internal successors, (1503), 1010 states have internal predecessors, (1503), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1507 transitions. [2022-02-24 01:01:31,265 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1507 transitions. Word has length 154 [2022-02-24 01:01:31,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:31,265 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1507 transitions. [2022-02-24 01:01:31,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1507 transitions. [2022-02-24 01:01:31,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-02-24 01:01:31,267 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:31,267 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:31,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-24 01:01:31,267 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:31,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:31,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1214702892, now seen corresponding path program 1 times [2022-02-24 01:01:31,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:31,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339473368] [2022-02-24 01:01:31,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:31,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-24 01:01:31,362 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:31,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339473368] [2022-02-24 01:01:31,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339473368] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:31,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:31,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:31,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329500721] [2022-02-24 01:01:31,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:31,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:31,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:31,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:31,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:31,363 INFO L87 Difference]: Start difference. First operand 1015 states and 1507 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:32,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:34,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:36,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:37,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:37,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:37,611 INFO L93 Difference]: Finished difference Result 2055 states and 3049 transitions. [2022-02-24 01:01:37,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:37,611 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 157 [2022-02-24 01:01:37,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:37,614 INFO L225 Difference]: With dead ends: 2055 [2022-02-24 01:01:37,614 INFO L226 Difference]: Without dead ends: 1066 [2022-02-24 01:01:37,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:37,615 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:37,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 585 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-02-24 01:01:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-02-24 01:01:37,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1015. [2022-02-24 01:01:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.4861386138613861) internal successors, (1501), 1010 states have internal predecessors, (1501), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1505 transitions. [2022-02-24 01:01:37,644 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1505 transitions. Word has length 157 [2022-02-24 01:01:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:37,645 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1505 transitions. [2022-02-24 01:01:37,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1505 transitions. [2022-02-24 01:01:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-02-24 01:01:37,646 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:37,646 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:37,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-24 01:01:37,646 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:37,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1157233019, now seen corresponding path program 1 times [2022-02-24 01:01:37,647 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:37,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404211022] [2022-02-24 01:01:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-24 01:01:37,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:37,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404211022] [2022-02-24 01:01:37,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404211022] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:37,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:37,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:37,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730385998] [2022-02-24 01:01:37,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:37,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:37,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:37,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:37,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:37,740 INFO L87 Difference]: Start difference. First operand 1015 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:40,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:42,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:43,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:43,134 INFO L93 Difference]: Finished difference Result 2241 states and 3316 transitions. [2022-02-24 01:01:43,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:43,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 157 [2022-02-24 01:01:43,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:43,138 INFO L225 Difference]: With dead ends: 2241 [2022-02-24 01:01:43,138 INFO L226 Difference]: Without dead ends: 1252 [2022-02-24 01:01:43,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:43,139 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 129 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:43,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 396 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 487 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-02-24 01:01:43,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-02-24 01:01:43,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1085. [2022-02-24 01:01:43,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4805555555555556) internal successors, (1599), 1080 states have internal predecessors, (1599), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1603 transitions. [2022-02-24 01:01:43,153 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1603 transitions. Word has length 157 [2022-02-24 01:01:43,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:43,154 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1603 transitions. [2022-02-24 01:01:43,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1603 transitions. [2022-02-24 01:01:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-02-24 01:01:43,155 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:43,155 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:43,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-24 01:01:43,155 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:43,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:43,156 INFO L85 PathProgramCache]: Analyzing trace with hash 336781482, now seen corresponding path program 1 times [2022-02-24 01:01:43,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:43,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991588447] [2022-02-24 01:01:43,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:43,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-24 01:01:43,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:43,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991588447] [2022-02-24 01:01:43,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991588447] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:43,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:43,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:43,262 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473922856] [2022-02-24 01:01:43,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:43,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:43,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:43,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:43,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:43,262 INFO L87 Difference]: Start difference. First operand 1085 states and 1603 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:45,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:45,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:45,662 INFO L93 Difference]: Finished difference Result 2183 states and 3225 transitions. [2022-02-24 01:01:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:45,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-02-24 01:01:45,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:45,665 INFO L225 Difference]: With dead ends: 2183 [2022-02-24 01:01:45,665 INFO L226 Difference]: Without dead ends: 1124 [2022-02-24 01:01:45,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:45,667 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 41 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:45,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 589 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-24 01:01:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-02-24 01:01:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1085. [2022-02-24 01:01:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4787037037037036) internal successors, (1597), 1080 states have internal predecessors, (1597), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1601 transitions. [2022-02-24 01:01:45,679 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1601 transitions. Word has length 158 [2022-02-24 01:01:45,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:45,680 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1601 transitions. [2022-02-24 01:01:45,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1601 transitions. [2022-02-24 01:01:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-02-24 01:01:45,681 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:45,681 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:45,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-24 01:01:45,681 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:45,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:45,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1144606736, now seen corresponding path program 1 times [2022-02-24 01:01:45,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:45,682 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167408412] [2022-02-24 01:01:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:45,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:45,826 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-24 01:01:45,826 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:45,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167408412] [2022-02-24 01:01:45,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167408412] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:45,827 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:45,827 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:45,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691303049] [2022-02-24 01:01:45,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:45,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:45,827 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:45,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:45,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:45,827 INFO L87 Difference]: Start difference. First operand 1085 states and 1601 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:48,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:50,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:50,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:50,908 INFO L93 Difference]: Finished difference Result 2177 states and 3214 transitions. [2022-02-24 01:01:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:50,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-02-24 01:01:50,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:50,913 INFO L225 Difference]: With dead ends: 2177 [2022-02-24 01:01:50,913 INFO L226 Difference]: Without dead ends: 1118 [2022-02-24 01:01:50,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:50,914 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 35 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:50,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 591 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-02-24 01:01:50,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-02-24 01:01:50,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1085. [2022-02-24 01:01:50,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4768518518518519) internal successors, (1595), 1080 states have internal predecessors, (1595), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1599 transitions. [2022-02-24 01:01:50,935 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1599 transitions. Word has length 158 [2022-02-24 01:01:50,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:50,952 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1599 transitions. [2022-02-24 01:01:50,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1599 transitions. [2022-02-24 01:01:50,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-02-24 01:01:50,954 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:50,954 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:50,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-24 01:01:50,954 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:50,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:50,955 INFO L85 PathProgramCache]: Analyzing trace with hash 79353004, now seen corresponding path program 1 times [2022-02-24 01:01:50,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:50,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046808451] [2022-02-24 01:01:50,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:50,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-24 01:01:51,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:51,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046808451] [2022-02-24 01:01:51,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046808451] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:51,084 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:51,084 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:01:51,084 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643903218] [2022-02-24 01:01:51,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:51,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:01:51,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:51,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:01:51,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:01:51,085 INFO L87 Difference]: Start difference. First operand 1085 states and 1599 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:52,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:54,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:56,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:58,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:01:58,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:01:58,543 INFO L93 Difference]: Finished difference Result 2171 states and 3204 transitions. [2022-02-24 01:01:58,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:01:58,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-02-24 01:01:58,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:01:58,546 INFO L225 Difference]: With dead ends: 2171 [2022-02-24 01:01:58,546 INFO L226 Difference]: Without dead ends: 1112 [2022-02-24 01:01:58,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:01:58,548 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 41 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-02-24 01:01:58,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 633 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 448 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2022-02-24 01:01:58,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-02-24 01:01:58,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1085. [2022-02-24 01:01:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.475) internal successors, (1593), 1080 states have internal predecessors, (1593), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1597 transitions. [2022-02-24 01:01:58,561 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1597 transitions. Word has length 165 [2022-02-24 01:01:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:01:58,561 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1597 transitions. [2022-02-24 01:01:58,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:01:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1597 transitions. [2022-02-24 01:01:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-24 01:01:58,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:01:58,562 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:01:58,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-24 01:01:58,563 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:01:58,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:01:58,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1069512886, now seen corresponding path program 1 times [2022-02-24 01:01:58,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:01:58,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097056411] [2022-02-24 01:01:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:01:58,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:01:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:01:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:01:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-02-24 01:01:58,659 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:01:58,659 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097056411] [2022-02-24 01:01:58,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097056411] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:01:58,659 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:01:58,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 01:01:58,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883961083] [2022-02-24 01:01:58,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:01:58,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 01:01:58,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:01:58,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 01:01:58,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:01:58,660 INFO L87 Difference]: Start difference. First operand 1085 states and 1597 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 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) [2022-02-24 01:02:00,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:02,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:03,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:03,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:02:03,631 INFO L93 Difference]: Finished difference Result 2171 states and 3201 transitions. [2022-02-24 01:02:03,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 01:02:03,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 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 166 [2022-02-24 01:02:03,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:02:03,634 INFO L225 Difference]: With dead ends: 2171 [2022-02-24 01:02:03,634 INFO L226 Difference]: Without dead ends: 1112 [2022-02-24 01:02:03,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:02:03,635 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-02-24 01:02:03,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 433 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-02-24 01:02:03,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-02-24 01:02:03,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-02-24 01:02:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1107 states have (on average 1.4706413730803976) internal successors, (1628), 1107 states have internal predecessors, (1628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1632 transitions. [2022-02-24 01:02:03,667 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1632 transitions. Word has length 166 [2022-02-24 01:02:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:02:03,683 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 1632 transitions. [2022-02-24 01:02:03,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 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) [2022-02-24 01:02:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1632 transitions. [2022-02-24 01:02:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-24 01:02:03,685 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:02:03,685 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:02:03,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-24 01:02:03,685 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:02:03,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:02:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1283275945, now seen corresponding path program 1 times [2022-02-24 01:02:03,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:02:03,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227897237] [2022-02-24 01:02:03,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:02:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:02:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:02:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-02-24 01:02:03,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:02:03,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227897237] [2022-02-24 01:02:03,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227897237] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:02:03,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:02:03,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 01:02:03,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858412139] [2022-02-24 01:02:03,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:02:03,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 01:02:03,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:02:03,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 01:02:03,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:02:03,764 INFO L87 Difference]: Start difference. First operand 1112 states and 1632 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:05,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:07,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:09,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:09,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:02:09,414 INFO L93 Difference]: Finished difference Result 2200 states and 3237 transitions. [2022-02-24 01:02:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 01:02:09,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 166 [2022-02-24 01:02:09,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:02:09,416 INFO L225 Difference]: With dead ends: 2200 [2022-02-24 01:02:09,417 INFO L226 Difference]: Without dead ends: 1114 [2022-02-24 01:02:09,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:02:09,418 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-24 01:02:09,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 412 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-02-24 01:02:09,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-02-24 01:02:09,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-02-24 01:02:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1109 states have (on average 1.4697926059513076) internal successors, (1630), 1109 states have internal predecessors, (1630), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1634 transitions. [2022-02-24 01:02:09,430 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1634 transitions. Word has length 166 [2022-02-24 01:02:09,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:02:09,430 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 1634 transitions. [2022-02-24 01:02:09,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1634 transitions. [2022-02-24 01:02:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-24 01:02:09,432 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:02:09,432 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:02:09,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-24 01:02:09,432 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:02:09,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:02:09,432 INFO L85 PathProgramCache]: Analyzing trace with hash -282029373, now seen corresponding path program 1 times [2022-02-24 01:02:09,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:02:09,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589805187] [2022-02-24 01:02:09,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:02:09,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:02:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:02:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-24 01:02:09,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:02:09,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589805187] [2022-02-24 01:02:09,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589805187] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:02:09,540 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:02:09,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:02:09,541 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120684358] [2022-02-24 01:02:09,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:02:09,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:02:09,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:02:09,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:02:09,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:02:09,541 INFO L87 Difference]: Start difference. First operand 1114 states and 1634 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:13,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:13,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:02:13,520 INFO L93 Difference]: Finished difference Result 2298 states and 3367 transitions. [2022-02-24 01:02:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:02:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 168 [2022-02-24 01:02:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:02:13,522 INFO L225 Difference]: With dead ends: 2298 [2022-02-24 01:02:13,522 INFO L226 Difference]: Without dead ends: 1212 [2022-02-24 01:02:13,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:02:13,524 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 78 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-02-24 01:02:13,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 606 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 558 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-02-24 01:02:13,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-02-24 01:02:13,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1114. [2022-02-24 01:02:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1109 states have (on average 1.4679891794409379) internal successors, (1628), 1109 states have internal predecessors, (1628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1632 transitions. [2022-02-24 01:02:13,537 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1632 transitions. Word has length 168 [2022-02-24 01:02:13,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:02:13,538 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 1632 transitions. [2022-02-24 01:02:13,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1632 transitions. [2022-02-24 01:02:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-02-24 01:02:13,539 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:02:13,539 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2022-02-24 01:02:13,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-24 01:02:13,539 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:02:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:02:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1600727037, now seen corresponding path program 1 times [2022-02-24 01:02:13,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:02:13,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095142597] [2022-02-24 01:02:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:02:13,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:02:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:02:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-24 01:02:13,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:02:13,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095142597] [2022-02-24 01:02:13,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095142597] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:02:13,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:02:13,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:02:13,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744617446] [2022-02-24 01:02:13,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:02:13,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:02:13,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:02:13,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:02:13,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:02:13,652 INFO L87 Difference]: Start difference. First operand 1114 states and 1632 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) [2022-02-24 01:02:15,272 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 [] [2022-02-24 01:02:17,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:19,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:21,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:02:21,704 INFO L93 Difference]: Finished difference Result 2354 states and 3441 transitions. [2022-02-24 01:02:21,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:02:21,704 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 175 [2022-02-24 01:02:21,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:02:21,706 INFO L225 Difference]: With dead ends: 2354 [2022-02-24 01:02:21,706 INFO L226 Difference]: Without dead ends: 1268 [2022-02-24 01:02:21,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:02:21,707 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 126 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-02-24 01:02:21,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 408 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 491 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-02-24 01:02:21,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-02-24 01:02:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1110. [2022-02-24 01:02:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4660633484162895) internal successors, (1620), 1105 states have internal predecessors, (1620), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1624 transitions. [2022-02-24 01:02:21,721 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1624 transitions. Word has length 175 [2022-02-24 01:02:21,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:02:21,721 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1624 transitions. [2022-02-24 01:02:21,721 INFO L471 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) [2022-02-24 01:02:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1624 transitions. [2022-02-24 01:02:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-02-24 01:02:21,723 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:02:21,723 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:02:21,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-24 01:02:21,723 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:02:21,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:02:21,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1707771303, now seen corresponding path program 1 times [2022-02-24 01:02:21,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:02:21,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159429010] [2022-02-24 01:02:21,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:02:21,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:02:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:02:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-02-24 01:02:22,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:02:22,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159429010] [2022-02-24 01:02:22,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159429010] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:02:22,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:02:22,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-24 01:02:22,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791883037] [2022-02-24 01:02:22,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:02:22,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 01:02:22,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 01:02:22,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 01:02:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-24 01:02:22,140 INFO L87 Difference]: Start difference. First operand 1110 states and 1624 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:24,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:26,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:28,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 01:02:28,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:02:28,526 INFO L93 Difference]: Finished difference Result 2213 states and 3240 transitions. [2022-02-24 01:02:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 01:02:28,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 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 177 [2022-02-24 01:02:28,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:02:28,529 INFO L225 Difference]: With dead ends: 2213 [2022-02-24 01:02:28,529 INFO L226 Difference]: Without dead ends: 1110 [2022-02-24 01:02:28,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-24 01:02:28,531 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 7 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-24 01:02:28,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 922 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 459 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-02-24 01:02:28,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-02-24 01:02:28,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-02-24 01:02:28,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4651583710407239) internal successors, (1619), 1105 states have internal predecessors, (1619), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1623 transitions. [2022-02-24 01:02:28,557 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1623 transitions. Word has length 177 [2022-02-24 01:02:28,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:02:28,557 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1623 transitions. [2022-02-24 01:02:28,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:02:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1623 transitions. [2022-02-24 01:02:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-02-24 01:02:28,559 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:02:28,559 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:02:28,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-24 01:02:28,559 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:02:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:02:28,562 INFO L85 PathProgramCache]: Analyzing trace with hash -115415960, now seen corresponding path program 1 times [2022-02-24 01:02:28,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 01:02:28,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253736412] [2022-02-24 01:02:28,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:02:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:02:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:02:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 14 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-24 01:02:29,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 01:02:29,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253736412] [2022-02-24 01:02:29,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253736412] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-24 01:02:29,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087119058] [2022-02-24 01:02:29,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:02:29,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 01:02:29,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 01:02:29,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-24 01:02:29,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-24 01:02:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:02:30,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 207 conjunts are in the unsatisfiable core [2022-02-24 01:02:30,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-24 01:02:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,465 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 53298 treesize of output 48162 [2022-02-24 01:02:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 01:02:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver