/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.08.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 00:44:22,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 00:44:22,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 00:44:22,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 00:44:22,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 00:44:22,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 00:44:22,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 00:44:22,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 00:44:22,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 00:44:22,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 00:44:22,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 00:44:22,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 00:44:22,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 00:44:22,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 00:44:22,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 00:44:22,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 00:44:22,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 00:44:22,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 00:44:22,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 00:44:22,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 00:44:22,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 00:44:22,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 00:44:22,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 00:44:22,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 00:44:22,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 00:44:22,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 00:44:22,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 00:44:22,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 00:44:22,427 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 00:44:22,442 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 00:44:22,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 00:44:22,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-24 00:44:22,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-24 00:44:22,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-24 00:44:22,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-24 00:44:22,447 INFO L138 SettingsManager]: * Use SBE=true [2022-02-24 00:44:22,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 00:44:22,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 00:44:22,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 00:44:22,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 00:44:22,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 00:44:22,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 00:44:22,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 00:44:22,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 00:44:22,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 00:44:22,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 00:44:22,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 00:44:22,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 00:44:22,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:44:22,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 00:44:22,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-24 00:44:22,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-24 00:44:22,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-24 00:44:22,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-24 00:44:22,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 00:44:22,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-02-24 00:44:22,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-24 00:44:22,450 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-24 00:44:22,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 00:44:22,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 00:44:22,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 00:44:22,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 00:44:22,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 00:44:22,660 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 00:44:22,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-2.c [2022-02-24 00:44:22,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1aeeb20/1f5570a9c48d4b9ca29fa2b286a283ea/FLAG1c88e75c3 [2022-02-24 00:44:23,190 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 00:44:23,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-2.c [2022-02-24 00:44:23,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1aeeb20/1f5570a9c48d4b9ca29fa2b286a283ea/FLAG1c88e75c3 [2022-02-24 00:44:23,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1aeeb20/1f5570a9c48d4b9ca29fa2b286a283ea [2022-02-24 00:44:23,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 00:44:23,227 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-24 00:44:23,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 00:44:23,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 00:44:23,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 00:44:23,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b46d273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23, skipping insertion in model container [2022-02-24 00:44:23,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 00:44:23,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 00:44:23,585 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.08.i.cil-2.c[74416,74429] [2022-02-24 00:44:23,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:44:23,604 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 00:44:23,687 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.08.i.cil-2.c[74416,74429] [2022-02-24 00:44:23,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 00:44:23,704 INFO L208 MainTranslator]: Completed translation [2022-02-24 00:44:23,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23 WrapperNode [2022-02-24 00:44:23,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 00:44:23,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 00:44:23,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 00:44:23,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 00:44:23,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 00:44:23,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 00:44:23,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 00:44:23,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 00:44:23,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (1/1) ... [2022-02-24 00:44:23,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 00:44:23,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:44:23,826 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 00:44:23,828 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 00:44:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 00:44:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 00:44:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 00:44:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-24 00:44:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-24 00:44:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 00:44:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-24 00:44:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-24 00:44:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-24 00:44:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-24 00:44:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 00:44:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 00:44:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 00:44:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 00:44:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-24 00:44:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 00:44:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-24 00:44:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 00:44:23,977 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 00:44:23,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 00:44:24,896 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 00:44:25,294 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-24 00:44:25,294 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-24 00:44:25,306 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 00:44:25,313 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 00:44:25,314 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-24 00:44:25,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:44:25 BoogieIcfgContainer [2022-02-24 00:44:25,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 00:44:25,316 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-24 00:44:25,316 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-24 00:44:25,318 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-24 00:44:25,320 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:44:25" (1/1) ... [2022-02-24 00:44:25,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:44:25 BasicIcfg [2022-02-24 00:44:25,365 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-24 00:44:25,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 00:44:25,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 00:44:25,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 00:44:25,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:44:23" (1/4) ... [2022-02-24 00:44:25,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399f05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:44:25, skipping insertion in model container [2022-02-24 00:44:25,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:44:23" (2/4) ... [2022-02-24 00:44:25,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399f05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:44:25, skipping insertion in model container [2022-02-24 00:44:25,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:44:25" (3/4) ... [2022-02-24 00:44:25,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399f05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:44:25, skipping insertion in model container [2022-02-24 00:44:25,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 24.02 12:44:25" (4/4) ... [2022-02-24 00:44:25,371 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.08.i.cil-2.cqvasr [2022-02-24 00:44:25,375 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-24 00:44:25,375 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 00:44:25,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 00:44:25,410 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 00:44:25,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 00:44:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 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 00:44:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-24 00:44:25,434 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:44:25,434 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] [2022-02-24 00:44:25,434 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:44:25,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:44:25,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1558892099, now seen corresponding path program 1 times [2022-02-24 00:44:25,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:44:25,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134429076] [2022-02-24 00:44:25,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:44:25,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:44:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:44:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:25,866 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 00:44:25,867 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:44:25,867 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134429076] [2022-02-24 00:44:25,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134429076] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:44:25,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:44:25,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:44:25,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185412498] [2022-02-24 00:44:25,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:44:25,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:44:25,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:44:25,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:44:25,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:44:25,895 INFO L87 Difference]: Start difference. First operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 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 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states 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 00:44:28,862 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 00:44:30,602 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 00:44:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:44:31,575 INFO L93 Difference]: Finished difference Result 334 states and 560 transitions. [2022-02-24 00:44:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:44:31,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 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 49 [2022-02-24 00:44:31,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:44:31,584 INFO L225 Difference]: With dead ends: 334 [2022-02-24 00:44:31,584 INFO L226 Difference]: Without dead ends: 170 [2022-02-24 00:44:31,586 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 00:44:31,588 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 34 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-24 00:44:31,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 607 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 414 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-02-24 00:44:31,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-02-24 00:44:31,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 153. [2022-02-24 00:44:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 148 states have (on average 1.554054054054054) internal successors, (230), 148 states have internal predecessors, (230), 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 00:44:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 234 transitions. [2022-02-24 00:44:31,621 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 234 transitions. Word has length 49 [2022-02-24 00:44:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:44:31,621 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 234 transitions. [2022-02-24 00:44:31,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states 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 00:44:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 234 transitions. [2022-02-24 00:44:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-24 00:44:31,623 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:44:31,623 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] [2022-02-24 00:44:31,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 00:44:31,623 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:44:31,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:44:31,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2112043474, now seen corresponding path program 1 times [2022-02-24 00:44:31,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:44:31,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970313014] [2022-02-24 00:44:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:44:31,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:44:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:44:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:31,816 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 00:44:31,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:44:31,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970313014] [2022-02-24 00:44:31,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970313014] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:44:31,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:44:31,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:44:31,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209649192] [2022-02-24 00:44:31,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:44:31,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:44:31,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:44:31,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:44:31,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:44:31,821 INFO L87 Difference]: Start difference. First operand 153 states and 234 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 states 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 00:44:33,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:44:35,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:44:37,178 WARN L534 Checker$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 00:44:39,203 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 00:44:39,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:44:39,824 INFO L93 Difference]: Finished difference Result 397 states and 612 transitions. [2022-02-24 00:44:39,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:44:39,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 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 62 [2022-02-24 00:44:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:44:39,827 INFO L225 Difference]: With dead ends: 397 [2022-02-24 00:44:39,827 INFO L226 Difference]: Without dead ends: 270 [2022-02-24 00:44:39,828 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 00:44:39,828 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 143 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 46 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:44:39,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 626 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 619 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-02-24 00:44:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-02-24 00:44:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 169. [2022-02-24 00:44:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5548780487804879) internal successors, (255), 164 states have internal predecessors, (255), 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 00:44:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 259 transitions. [2022-02-24 00:44:39,839 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 259 transitions. Word has length 62 [2022-02-24 00:44:39,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:44:39,839 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 259 transitions. [2022-02-24 00:44:39,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 states 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 00:44:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 259 transitions. [2022-02-24 00:44:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-24 00:44:39,841 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:44:39,841 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] [2022-02-24 00:44:39,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 00:44:39,841 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:44:39,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:44:39,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1900150377, now seen corresponding path program 1 times [2022-02-24 00:44:39,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:44:39,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754759095] [2022-02-24 00:44:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:44:39,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:44:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:44:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:39,978 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 00:44:39,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:44:39,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754759095] [2022-02-24 00:44:39,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754759095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:44:39,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:44:39,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:44:39,978 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407519899] [2022-02-24 00:44:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:44:39,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:44:39,979 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:44:39,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:44:39,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:44:39,979 INFO L87 Difference]: Start difference. First operand 169 states and 259 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 00:44:42,266 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 00:44:44,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:44:46,320 WARN L534 Checker$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 00:44:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:44:46,666 INFO L93 Difference]: Finished difference Result 328 states and 501 transitions. [2022-02-24 00:44:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:44:46,666 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 00:44:46,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:44:46,668 INFO L225 Difference]: With dead ends: 328 [2022-02-24 00:44:46,668 INFO L226 Difference]: Without dead ends: 185 [2022-02-24 00:44:46,668 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 00:44:46,669 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 28 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:44:46,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 485 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 359 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-02-24 00:44:46,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-02-24 00:44:46,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 169. [2022-02-24 00:44:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.548780487804878) internal successors, (254), 164 states have internal predecessors, (254), 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 00:44:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 258 transitions. [2022-02-24 00:44:46,678 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 258 transitions. Word has length 63 [2022-02-24 00:44:46,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:44:46,678 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 258 transitions. [2022-02-24 00:44:46,679 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 00:44:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 258 transitions. [2022-02-24 00:44:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-24 00:44:46,680 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:44:46,680 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] [2022-02-24 00:44:46,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 00:44:46,681 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:44:46,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:44:46,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1607224759, now seen corresponding path program 1 times [2022-02-24 00:44:46,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:44:46,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364307542] [2022-02-24 00:44:46,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:44:46,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:44:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:46,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:44:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:46,834 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 00:44:46,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:44:46,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364307542] [2022-02-24 00:44:46,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364307542] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:44:46,835 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:44:46,835 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:44:46,835 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147551908] [2022-02-24 00:44:46,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:44:46,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:44:46,836 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:44:46,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:44:46,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:44:46,838 INFO L87 Difference]: Start difference. First operand 169 states and 258 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 00:44:48,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:44:50,156 WARN L534 Checker$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 00:44:52,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:44:54,205 WARN L534 Checker$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 00:44:54,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:44:54,692 INFO L93 Difference]: Finished difference Result 429 states and 662 transitions. [2022-02-24 00:44:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:44:54,693 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 00:44:54,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:44:54,694 INFO L225 Difference]: With dead ends: 429 [2022-02-24 00:44:54,694 INFO L226 Difference]: Without dead ends: 286 [2022-02-24 00:44:54,694 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 00:44:54,695 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 147 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 64 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-02-24 00:44:54,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 342 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 474 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2022-02-24 00:44:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-24 00:44:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 181. [2022-02-24 00:44:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 176 states have (on average 1.5340909090909092) internal successors, (270), 176 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 00:44:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 274 transitions. [2022-02-24 00:44:54,708 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 274 transitions. Word has length 63 [2022-02-24 00:44:54,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:44:54,708 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 274 transitions. [2022-02-24 00:44:54,708 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 00:44:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 274 transitions. [2022-02-24 00:44:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-24 00:44:54,709 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:44:54,710 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] [2022-02-24 00:44:54,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 00:44:54,710 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:44:54,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:44:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash 159788553, now seen corresponding path program 1 times [2022-02-24 00:44:54,710 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:44:54,710 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403370148] [2022-02-24 00:44:54,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:44:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:44:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:44:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:44:54,827 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 00:44:54,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:44:54,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403370148] [2022-02-24 00:44:54,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403370148] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:44:54,827 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:44:54,827 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:44:54,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403475620] [2022-02-24 00:44:54,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:44:54,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:44:54,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:44:54,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:44:54,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:44:54,829 INFO L87 Difference]: Start difference. First operand 181 states and 274 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 00:44:56,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:44:58,054 WARN L534 Checker$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 00:45:00,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:02,107 WARN L534 Checker$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 00:45:02,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:02,573 INFO L93 Difference]: Finished difference Result 441 states and 676 transitions. [2022-02-24 00:45:02,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:02,573 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 00:45:02,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:02,575 INFO L225 Difference]: With dead ends: 441 [2022-02-24 00:45:02,575 INFO L226 Difference]: Without dead ends: 286 [2022-02-24 00:45:02,575 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 00:45:02,576 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 141 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 64 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:02,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 342 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 474 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2022-02-24 00:45:02,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-24 00:45:02,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 186. [2022-02-24 00:45:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 181 states have (on average 1.5359116022099448) internal successors, (278), 181 states have internal predecessors, (278), 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 00:45:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 282 transitions. [2022-02-24 00:45:02,582 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 282 transitions. Word has length 63 [2022-02-24 00:45:02,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:02,582 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 282 transitions. [2022-02-24 00:45:02,582 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 00:45:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 282 transitions. [2022-02-24 00:45:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-24 00:45:02,583 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:02,584 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] [2022-02-24 00:45:02,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 00:45:02,584 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:02,584 INFO L85 PathProgramCache]: Analyzing trace with hash -298087703, now seen corresponding path program 1 times [2022-02-24 00:45:02,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:02,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406761548] [2022-02-24 00:45:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:02,690 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 00:45:02,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:02,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406761548] [2022-02-24 00:45:02,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406761548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:02,691 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:02,691 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:02,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968242441] [2022-02-24 00:45:02,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:02,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:02,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:02,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:02,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:02,692 INFO L87 Difference]: Start difference. First operand 186 states and 282 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 00:45:04,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:06,099 WARN L534 Checker$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 00:45:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:08,360 INFO L93 Difference]: Finished difference Result 445 states and 682 transitions. [2022-02-24 00:45:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:08,361 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 00:45:08,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:08,362 INFO L225 Difference]: With dead ends: 445 [2022-02-24 00:45:08,362 INFO L226 Difference]: Without dead ends: 285 [2022-02-24 00:45:08,363 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 00:45:08,363 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 139 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:08,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 344 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-02-24 00:45:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-02-24 00:45:08,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 187. [2022-02-24 00:45:08,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.5274725274725274) internal successors, (278), 182 states have internal predecessors, (278), 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 00:45:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 282 transitions. [2022-02-24 00:45:08,369 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 282 transitions. Word has length 63 [2022-02-24 00:45:08,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:08,369 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 282 transitions. [2022-02-24 00:45:08,369 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 00:45:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 282 transitions. [2022-02-24 00:45:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-24 00:45:08,370 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:08,370 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] [2022-02-24 00:45:08,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 00:45:08,371 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:08,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:08,371 INFO L85 PathProgramCache]: Analyzing trace with hash 463944242, now seen corresponding path program 1 times [2022-02-24 00:45:08,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:08,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145828658] [2022-02-24 00:45:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:08,464 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 00:45:08,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:08,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145828658] [2022-02-24 00:45:08,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145828658] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:08,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:08,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:08,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295203889] [2022-02-24 00:45:08,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:08,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:08,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:08,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:08,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:08,471 INFO L87 Difference]: Start difference. First operand 187 states and 282 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 00:45:09,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:11,992 WARN L534 Checker$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 00:45:13,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:15,571 WARN L534 Checker$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 00:45:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:16,038 INFO L93 Difference]: Finished difference Result 446 states and 681 transitions. [2022-02-24 00:45:16,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:16,038 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 00:45:16,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:16,040 INFO L225 Difference]: With dead ends: 446 [2022-02-24 00:45:16,040 INFO L226 Difference]: Without dead ends: 285 [2022-02-24 00:45:16,040 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 00:45:16,040 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 143 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:16,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 344 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 473 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-02-24 00:45:16,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-02-24 00:45:16,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 187. [2022-02-24 00:45:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.510989010989011) internal successors, (275), 182 states have internal predecessors, (275), 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 00:45:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2022-02-24 00:45:16,046 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 64 [2022-02-24 00:45:16,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:16,046 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2022-02-24 00:45:16,046 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 00:45:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2022-02-24 00:45:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-24 00:45:16,047 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:16,047 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] [2022-02-24 00:45:16,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 00:45:16,050 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:16,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:16,051 INFO L85 PathProgramCache]: Analyzing trace with hash -192748059, now seen corresponding path program 1 times [2022-02-24 00:45:16,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:16,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333440345] [2022-02-24 00:45:16,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:16,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:16,160 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 00:45:16,160 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:16,160 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333440345] [2022-02-24 00:45:16,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333440345] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:16,160 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:16,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:16,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224585390] [2022-02-24 00:45:16,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:16,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:16,161 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:16,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:16,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:16,161 INFO L87 Difference]: Start difference. First operand 187 states and 279 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 00:45:18,171 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 00:45:18,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:18,508 INFO L93 Difference]: Finished difference Result 361 states and 543 transitions. [2022-02-24 00:45:18,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:18,509 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 00:45:18,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:18,510 INFO L225 Difference]: With dead ends: 361 [2022-02-24 00:45:18,510 INFO L226 Difference]: Without dead ends: 200 [2022-02-24 00:45:18,510 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 00:45:18,511 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 20 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:18,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 491 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-24 00:45:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-02-24 00:45:18,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 187. [2022-02-24 00:45:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.5054945054945055) internal successors, (274), 182 states have internal predecessors, (274), 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 00:45:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 278 transitions. [2022-02-24 00:45:18,515 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 278 transitions. Word has length 65 [2022-02-24 00:45:18,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:18,516 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 278 transitions. [2022-02-24 00:45:18,516 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 00:45:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 278 transitions. [2022-02-24 00:45:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-24 00:45:18,516 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:18,516 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] [2022-02-24 00:45:18,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 00:45:18,517 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:18,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:18,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1669552495, now seen corresponding path program 1 times [2022-02-24 00:45:18,517 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:18,517 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568668121] [2022-02-24 00:45:18,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:18,625 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 00:45:18,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:18,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568668121] [2022-02-24 00:45:18,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568668121] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:18,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:18,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:18,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603092039] [2022-02-24 00:45:18,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:18,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:18,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:18,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:18,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:18,628 INFO L87 Difference]: Start difference. First operand 187 states and 278 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 00:45:21,571 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 00:45:22,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:23,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:23,890 INFO L93 Difference]: Finished difference Result 351 states and 529 transitions. [2022-02-24 00:45:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:23,891 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 00:45:23,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:23,892 INFO L225 Difference]: With dead ends: 351 [2022-02-24 00:45:23,892 INFO L226 Difference]: Without dead ends: 190 [2022-02-24 00:45:23,892 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 00:45:23,893 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 11 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:23,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 505 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 341 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-02-24 00:45:23,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-02-24 00:45:23,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2022-02-24 00:45:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.5) internal successors, (273), 182 states have internal predecessors, (273), 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 00:45:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 277 transitions. [2022-02-24 00:45:23,897 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 277 transitions. Word has length 66 [2022-02-24 00:45:23,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:23,897 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 277 transitions. [2022-02-24 00:45:23,897 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 00:45:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 277 transitions. [2022-02-24 00:45:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-24 00:45:23,898 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:23,898 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] [2022-02-24 00:45:23,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-24 00:45:23,898 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:23,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:23,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1381411040, now seen corresponding path program 1 times [2022-02-24 00:45:23,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:23,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927388507] [2022-02-24 00:45:23,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:23,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:24,015 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 00:45:24,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:24,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927388507] [2022-02-24 00:45:24,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927388507] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:24,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:24,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:24,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341159884] [2022-02-24 00:45:24,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:24,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:24,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:24,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:24,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:24,017 INFO L87 Difference]: Start difference. First operand 187 states and 277 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 00:45:26,031 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 00:45:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:26,495 INFO L93 Difference]: Finished difference Result 465 states and 701 transitions. [2022-02-24 00:45:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:26,496 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 00:45:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:26,497 INFO L225 Difference]: With dead ends: 465 [2022-02-24 00:45:26,497 INFO L226 Difference]: Without dead ends: 304 [2022-02-24 00:45:26,498 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 00:45:26,498 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 117 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:26,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 346 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 475 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-24 00:45:26,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-02-24 00:45:26,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 227. [2022-02-24 00:45:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 222 states have (on average 1.5360360360360361) internal successors, (341), 222 states have internal predecessors, (341), 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 00:45:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 345 transitions. [2022-02-24 00:45:26,504 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 345 transitions. Word has length 66 [2022-02-24 00:45:26,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:26,504 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 345 transitions. [2022-02-24 00:45:26,504 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 00:45:26,504 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 345 transitions. [2022-02-24 00:45:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-24 00:45:26,504 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:26,504 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 00:45:26,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-24 00:45:26,505 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:26,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:26,505 INFO L85 PathProgramCache]: Analyzing trace with hash -96502252, now seen corresponding path program 1 times [2022-02-24 00:45:26,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:26,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572328507] [2022-02-24 00:45:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:26,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:26,600 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 00:45:26,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:26,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572328507] [2022-02-24 00:45:26,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572328507] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:26,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:26,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:26,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758192953] [2022-02-24 00:45:26,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:26,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:26,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:26,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:26,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:26,602 INFO L87 Difference]: Start difference. First operand 227 states and 345 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 00:45:28,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:29,610 WARN L534 Checker$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 00:45:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:29,968 INFO L93 Difference]: Finished difference Result 468 states and 718 transitions. [2022-02-24 00:45:29,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:29,968 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 00:45:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:29,969 INFO L225 Difference]: With dead ends: 468 [2022-02-24 00:45:29,969 INFO L226 Difference]: Without dead ends: 267 [2022-02-24 00:45:29,970 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 00:45:29,970 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 29 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:29,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 509 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-02-24 00:45:29,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-02-24 00:45:29,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 249. [2022-02-24 00:45:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.5327868852459017) internal successors, (374), 244 states have internal predecessors, (374), 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 00:45:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 378 transitions. [2022-02-24 00:45:29,976 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 378 transitions. Word has length 67 [2022-02-24 00:45:29,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:29,976 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 378 transitions. [2022-02-24 00:45:29,976 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 00:45:29,976 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 378 transitions. [2022-02-24 00:45:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-24 00:45:29,976 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:29,977 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:45:29,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-24 00:45:29,977 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:29,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:29,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1834537326, now seen corresponding path program 1 times [2022-02-24 00:45:29,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:29,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23079218] [2022-02-24 00:45:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-24 00:45:30,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:30,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23079218] [2022-02-24 00:45:30,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23079218] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:30,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:30,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:30,067 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520788535] [2022-02-24 00:45:30,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:30,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:30,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:30,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:30,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:30,068 INFO L87 Difference]: Start difference. First operand 249 states and 378 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states 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 00:45:31,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:33,191 WARN L534 Checker$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 00:45:34,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:36,881 WARN L534 Checker$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 00:45:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:37,297 INFO L93 Difference]: Finished difference Result 485 states and 742 transitions. [2022-02-24 00:45:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:37,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2022-02-24 00:45:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:37,299 INFO L225 Difference]: With dead ends: 485 [2022-02-24 00:45:37,299 INFO L226 Difference]: Without dead ends: 262 [2022-02-24 00:45:37,299 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 00:45:37,299 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 20 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:37,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 570 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 395 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-02-24 00:45:37,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-02-24 00:45:37,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 249. [2022-02-24 00:45:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.528688524590164) internal successors, (373), 244 states have internal predecessors, (373), 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 00:45:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 377 transitions. [2022-02-24 00:45:37,305 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 377 transitions. Word has length 81 [2022-02-24 00:45:37,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:37,305 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 377 transitions. [2022-02-24 00:45:37,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states 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 00:45:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 377 transitions. [2022-02-24 00:45:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-02-24 00:45:37,306 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:37,306 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:45:37,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-24 00:45:37,306 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:37,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:37,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1618514662, now seen corresponding path program 1 times [2022-02-24 00:45:37,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:37,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422765530] [2022-02-24 00:45:37,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:37,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-24 00:45:37,437 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:37,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422765530] [2022-02-24 00:45:37,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422765530] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:37,437 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:37,437 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 00:45:37,437 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40030639] [2022-02-24 00:45:37,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:37,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 00:45:37,438 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:37,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 00:45:37,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:45:37,438 INFO L87 Difference]: Start difference. First operand 249 states and 377 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:45:40,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:42,340 WARN L534 Checker$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 00:45:44,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:45,418 WARN L534 Checker$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 00:45:45,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:45,766 INFO L93 Difference]: Finished difference Result 481 states and 736 transitions. [2022-02-24 00:45:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 00:45:45,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2022-02-24 00:45:45,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:45,768 INFO L225 Difference]: With dead ends: 481 [2022-02-24 00:45:45,768 INFO L226 Difference]: Without dead ends: 258 [2022-02-24 00:45:45,768 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 00:45:45,769 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 3 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:45,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 633 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 433 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-02-24 00:45:45,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-02-24 00:45:45,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-02-24 00:45:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 253 states have (on average 1.517786561264822) internal successors, (384), 253 states have internal predecessors, (384), 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 00:45:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 388 transitions. [2022-02-24 00:45:45,774 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 388 transitions. Word has length 82 [2022-02-24 00:45:45,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:45,774 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 388 transitions. [2022-02-24 00:45:45,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:45:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 388 transitions. [2022-02-24 00:45:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-24 00:45:45,774 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:45,774 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:45:45,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-24 00:45:45,775 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1089385046, now seen corresponding path program 1 times [2022-02-24 00:45:45,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:45,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895943511] [2022-02-24 00:45:45,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:45,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:45:45,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:45,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895943511] [2022-02-24 00:45:45,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895943511] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:45,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:45,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:45,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754845180] [2022-02-24 00:45:45,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:45,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:45,862 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:45,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:45,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:45,863 INFO L87 Difference]: Start difference. First operand 258 states and 388 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 00:45:46,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:48,968 WARN L534 Checker$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 00:45:50,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:52,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:53,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:45:53,222 INFO L93 Difference]: Finished difference Result 597 states and 907 transitions. [2022-02-24 00:45:53,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:45:53,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-02-24 00:45:53,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:45:53,223 INFO L225 Difference]: With dead ends: 597 [2022-02-24 00:45:53,223 INFO L226 Difference]: Without dead ends: 365 [2022-02-24 00:45:53,224 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 00:45:53,224 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 142 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:45:53,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 346 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 474 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-02-24 00:45:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-02-24 00:45:53,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 258. [2022-02-24 00:45:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 253 states have (on average 1.5019762845849802) internal successors, (380), 253 states have internal predecessors, (380), 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 00:45:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 384 transitions. [2022-02-24 00:45:53,229 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 384 transitions. Word has length 84 [2022-02-24 00:45:53,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:45:53,230 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 384 transitions. [2022-02-24 00:45:53,230 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 00:45:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 384 transitions. [2022-02-24 00:45:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-02-24 00:45:53,230 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:45:53,230 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:45:53,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-24 00:45:53,231 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:45:53,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:45:53,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1950647226, now seen corresponding path program 1 times [2022-02-24 00:45:53,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:45:53,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374607747] [2022-02-24 00:45:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:45:53,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:45:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:45:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:45:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 00:45:53,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:45:53,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374607747] [2022-02-24 00:45:53,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374607747] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:45:53,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:45:53,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:45:53,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740594678] [2022-02-24 00:45:53,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:45:53,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:45:53,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:45:53,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:45:53,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:45:53,313 INFO L87 Difference]: Start difference. First operand 258 states and 384 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 00:45:55,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:45:56,873 WARN L534 Checker$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 00:45:58,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:00,405 WARN L534 Checker$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 00:46:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:00,712 INFO L93 Difference]: Finished difference Result 507 states and 760 transitions. [2022-02-24 00:46:00,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:00,712 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 85 [2022-02-24 00:46:00,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:00,713 INFO L225 Difference]: With dead ends: 507 [2022-02-24 00:46:00,713 INFO L226 Difference]: Without dead ends: 275 [2022-02-24 00:46:00,714 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 00:46:00,714 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:00,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 511 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 388 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-02-24 00:46:00,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-02-24 00:46:00,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 258. [2022-02-24 00:46:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 253 states have (on average 1.4980237154150198) internal successors, (379), 253 states have internal predecessors, (379), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:46:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 383 transitions. [2022-02-24 00:46:00,719 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 383 transitions. Word has length 85 [2022-02-24 00:46:00,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:00,719 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 383 transitions. [2022-02-24 00:46:00,719 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 00:46:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 383 transitions. [2022-02-24 00:46:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-02-24 00:46:00,720 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:00,720 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:46:00,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-24 00:46:00,720 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:00,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:00,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1133478069, now seen corresponding path program 1 times [2022-02-24 00:46:00,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:00,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734991135] [2022-02-24 00:46:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:00,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-24 00:46:00,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:00,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734991135] [2022-02-24 00:46:00,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734991135] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:00,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:00,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:00,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227322411] [2022-02-24 00:46:00,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:00,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:00,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:00,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:00,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:00,808 INFO L87 Difference]: Start difference. First operand 258 states and 383 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states 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 00:46:02,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:04,213 WARN L534 Checker$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 00:46:05,871 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 00:46:06,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:06,731 INFO L93 Difference]: Finished difference Result 597 states and 897 transitions. [2022-02-24 00:46:06,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:06,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 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 89 [2022-02-24 00:46:06,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:06,733 INFO L225 Difference]: With dead ends: 597 [2022-02-24 00:46:06,733 INFO L226 Difference]: Without dead ends: 365 [2022-02-24 00:46:06,733 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 00:46:06,734 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 115 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:06,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 364 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-02-24 00:46:06,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-02-24 00:46:06,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 280. [2022-02-24 00:46:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 275 states have (on average 1.5345454545454544) internal successors, (422), 275 states have internal predecessors, (422), 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 00:46:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 426 transitions. [2022-02-24 00:46:06,739 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 426 transitions. Word has length 89 [2022-02-24 00:46:06,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:06,739 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 426 transitions. [2022-02-24 00:46:06,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states 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 00:46:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 426 transitions. [2022-02-24 00:46:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-02-24 00:46:06,740 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:06,740 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] [2022-02-24 00:46:06,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-24 00:46:06,740 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:06,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash -442897010, now seen corresponding path program 1 times [2022-02-24 00:46:06,741 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:06,741 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220588644] [2022-02-24 00:46:06,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:06,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:06,856 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 00:46:06,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:06,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220588644] [2022-02-24 00:46:06,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220588644] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:06,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:06,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:06,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10592745] [2022-02-24 00:46:06,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:06,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:06,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:06,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:06,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:06,858 INFO L87 Difference]: Start difference. First operand 280 states and 426 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 00:46:08,871 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 00:46:09,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:09,312 INFO L93 Difference]: Finished difference Result 637 states and 974 transitions. [2022-02-24 00:46:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:09,313 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 117 [2022-02-24 00:46:09,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:09,314 INFO L225 Difference]: With dead ends: 637 [2022-02-24 00:46:09,314 INFO L226 Difference]: Without dead ends: 383 [2022-02-24 00:46:09,314 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 00:46:09,315 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 86 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:09,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 505 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 521 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-24 00:46:09,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-02-24 00:46:09,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 314. [2022-02-24 00:46:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5404530744336569) internal successors, (476), 309 states have internal predecessors, (476), 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 00:46:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 480 transitions. [2022-02-24 00:46:09,321 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 480 transitions. Word has length 117 [2022-02-24 00:46:09,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:09,321 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 480 transitions. [2022-02-24 00:46:09,321 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 00:46:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 480 transitions. [2022-02-24 00:46:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-02-24 00:46:09,322 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:09,322 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] [2022-02-24 00:46:09,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-24 00:46:09,322 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:09,322 INFO L85 PathProgramCache]: Analyzing trace with hash -689210097, now seen corresponding path program 1 times [2022-02-24 00:46:09,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:09,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141463724] [2022-02-24 00:46:09,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:09,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:09,405 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 00:46:09,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:09,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141463724] [2022-02-24 00:46:09,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141463724] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:09,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:09,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:09,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70443713] [2022-02-24 00:46:09,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:09,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:09,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:09,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:09,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:09,407 INFO L87 Difference]: Start difference. First operand 314 states and 480 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 00:46:11,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:12,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:13,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:13,725 INFO L93 Difference]: Finished difference Result 657 states and 1007 transitions. [2022-02-24 00:46:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:13,726 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 117 [2022-02-24 00:46:13,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:13,727 INFO L225 Difference]: With dead ends: 657 [2022-02-24 00:46:13,727 INFO L226 Difference]: Without dead ends: 369 [2022-02-24 00:46:13,727 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 00:46:13,728 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 34 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:13,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 599 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-24 00:46:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-02-24 00:46:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 338. [2022-02-24 00:46:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 333 states have (on average 1.5375375375375375) internal successors, (512), 333 states have internal predecessors, (512), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:46:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 516 transitions. [2022-02-24 00:46:13,734 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 516 transitions. Word has length 117 [2022-02-24 00:46:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:13,734 INFO L470 AbstractCegarLoop]: Abstraction has 338 states and 516 transitions. [2022-02-24 00:46:13,734 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 00:46:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 516 transitions. [2022-02-24 00:46:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-24 00:46:13,756 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:13,756 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] [2022-02-24 00:46:13,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-24 00:46:13,757 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:13,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1156244222, now seen corresponding path program 1 times [2022-02-24 00:46:13,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:13,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740897759] [2022-02-24 00:46:13,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:13,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:13,870 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 00:46:13,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:13,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740897759] [2022-02-24 00:46:13,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740897759] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:13,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:13,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:13,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663266889] [2022-02-24 00:46:13,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:13,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:13,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:13,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:13,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:13,872 INFO L87 Difference]: Start difference. First operand 338 states and 516 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 00:46:16,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:18,329 WARN L534 Checker$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 00:46:20,355 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 00:46:20,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:20,760 INFO L93 Difference]: Finished difference Result 725 states and 1107 transitions. [2022-02-24 00:46:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:20,760 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 122 [2022-02-24 00:46:20,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:20,761 INFO L225 Difference]: With dead ends: 725 [2022-02-24 00:46:20,761 INFO L226 Difference]: Without dead ends: 413 [2022-02-24 00:46:20,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-24 00:46:20,762 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 143 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 62 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:20,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 346 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 470 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2022-02-24 00:46:20,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-02-24 00:46:20,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 338. [2022-02-24 00:46:20,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 333 states have (on average 1.5195195195195195) internal successors, (506), 333 states have internal predecessors, (506), 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 00:46:20,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 510 transitions. [2022-02-24 00:46:20,770 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 510 transitions. Word has length 122 [2022-02-24 00:46:20,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:20,771 INFO L470 AbstractCegarLoop]: Abstraction has 338 states and 510 transitions. [2022-02-24 00:46:20,771 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 00:46:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 510 transitions. [2022-02-24 00:46:20,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-24 00:46:20,772 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:20,772 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] [2022-02-24 00:46:20,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-24 00:46:20,772 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:20,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:20,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1770598714, now seen corresponding path program 1 times [2022-02-24 00:46:20,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:20,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945695479] [2022-02-24 00:46:20,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:20,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:20,871 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 00:46:20,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:20,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945695479] [2022-02-24 00:46:20,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945695479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:20,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:20,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:20,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690972703] [2022-02-24 00:46:20,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:20,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:20,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:20,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:20,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:20,872 INFO L87 Difference]: Start difference. First operand 338 states and 510 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 00:46:22,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:23,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:25,353 WARN L534 Checker$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 00:46:27,377 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 00:46:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:27,819 INFO L93 Difference]: Finished difference Result 765 states and 1161 transitions. [2022-02-24 00:46:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:27,819 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 122 [2022-02-24 00:46:27,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:27,820 INFO L225 Difference]: With dead ends: 765 [2022-02-24 00:46:27,820 INFO L226 Difference]: Without dead ends: 453 [2022-02-24 00:46:27,821 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 00:46:27,821 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 116 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:27,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 346 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-02-24 00:46:27,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-02-24 00:46:27,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 375. [2022-02-24 00:46:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 370 states have (on average 1.5297297297297296) internal successors, (566), 370 states have internal predecessors, (566), 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 00:46:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 570 transitions. [2022-02-24 00:46:27,827 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 570 transitions. Word has length 122 [2022-02-24 00:46:27,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:27,827 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 570 transitions. [2022-02-24 00:46:27,827 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 00:46:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 570 transitions. [2022-02-24 00:46:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-24 00:46:27,828 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:27,828 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] [2022-02-24 00:46:27,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-24 00:46:27,829 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1281634973, now seen corresponding path program 1 times [2022-02-24 00:46:27,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:27,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193707044] [2022-02-24 00:46:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:27,913 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 00:46:27,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:27,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193707044] [2022-02-24 00:46:27,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193707044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:27,913 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:27,913 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:27,913 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144028604] [2022-02-24 00:46:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:27,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:27,914 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:27,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:27,914 INFO L87 Difference]: Start difference. First operand 375 states and 570 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 00:46:29,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:31,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:33,325 WARN L534 Checker$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 00:46:34,745 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 00:46:35,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:35,128 INFO L93 Difference]: Finished difference Result 781 states and 1192 transitions. [2022-02-24 00:46:35,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:35,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-02-24 00:46:35,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:35,130 INFO L225 Difference]: With dead ends: 781 [2022-02-24 00:46:35,130 INFO L226 Difference]: Without dead ends: 432 [2022-02-24 00:46:35,130 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 00:46:35,131 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 76 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:35,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 477 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 501 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-02-24 00:46:35,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-02-24 00:46:35,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 381. [2022-02-24 00:46:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 376 states have (on average 1.5319148936170213) internal successors, (576), 376 states have internal predecessors, (576), 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 00:46:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 580 transitions. [2022-02-24 00:46:35,139 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 580 transitions. Word has length 123 [2022-02-24 00:46:35,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:35,139 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 580 transitions. [2022-02-24 00:46:35,139 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 00:46:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 580 transitions. [2022-02-24 00:46:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-24 00:46:35,140 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:35,140 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] [2022-02-24 00:46:35,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-24 00:46:35,140 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:35,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:35,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1587884536, now seen corresponding path program 1 times [2022-02-24 00:46:35,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:35,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536385712] [2022-02-24 00:46:35,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:35,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:35,237 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 00:46:35,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:35,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536385712] [2022-02-24 00:46:35,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536385712] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:35,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:35,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:35,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976366732] [2022-02-24 00:46:35,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:35,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:35,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:35,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:35,238 INFO L87 Difference]: Start difference. First operand 381 states and 580 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:46:37,687 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 00:46:39,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:41,188 WARN L534 Checker$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 00:46:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:41,610 INFO L93 Difference]: Finished difference Result 851 states and 1300 transitions. [2022-02-24 00:46:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:41,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-02-24 00:46:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:41,613 INFO L225 Difference]: With dead ends: 851 [2022-02-24 00:46:41,613 INFO L226 Difference]: Without dead ends: 496 [2022-02-24 00:46:41,614 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 00:46:41,614 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 109 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:41,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 347 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-02-24 00:46:41,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2022-02-24 00:46:41,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 424. [2022-02-24 00:46:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 419 states have (on average 1.541766109785203) internal successors, (646), 419 states have internal predecessors, (646), 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 00:46:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 650 transitions. [2022-02-24 00:46:41,621 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 650 transitions. Word has length 131 [2022-02-24 00:46:41,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:41,621 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 650 transitions. [2022-02-24 00:46:41,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:46:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 650 transitions. [2022-02-24 00:46:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-24 00:46:41,622 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:41,622 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 00:46:41,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-24 00:46:41,622 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:41,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:41,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1911979455, now seen corresponding path program 1 times [2022-02-24 00:46:41,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:41,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633420426] [2022-02-24 00:46:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:41,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:41,713 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 00:46:41,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:41,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633420426] [2022-02-24 00:46:41,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633420426] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:41,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:41,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:41,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489193950] [2022-02-24 00:46:41,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:41,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:41,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:41,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:41,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:41,714 INFO L87 Difference]: Start difference. First operand 424 states and 650 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 00:46:44,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:46,163 WARN L534 Checker$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 00:46:47,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:47,007 INFO L93 Difference]: Finished difference Result 865 states and 1328 transitions. [2022-02-24 00:46:47,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:47,008 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 00:46:47,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:47,009 INFO L225 Difference]: With dead ends: 865 [2022-02-24 00:46:47,009 INFO L226 Difference]: Without dead ends: 467 [2022-02-24 00:46:47,010 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 00:46:47,010 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 60 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:47,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 483 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 495 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-02-24 00:46:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-02-24 00:46:47,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 427. [2022-02-24 00:46:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 422 states have (on average 1.537914691943128) internal successors, (649), 422 states have internal predecessors, (649), 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 00:46:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 653 transitions. [2022-02-24 00:46:47,017 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 653 transitions. Word has length 132 [2022-02-24 00:46:47,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:47,017 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 653 transitions. [2022-02-24 00:46:47,017 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 00:46:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 653 transitions. [2022-02-24 00:46:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-02-24 00:46:47,018 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:47,018 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] [2022-02-24 00:46:47,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-24 00:46:47,018 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:47,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:47,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1644272000, now seen corresponding path program 1 times [2022-02-24 00:46:47,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:47,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017190237] [2022-02-24 00:46:47,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:47,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:47,136 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 00:46:47,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:47,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017190237] [2022-02-24 00:46:47,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017190237] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:47,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:47,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:47,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10713091] [2022-02-24 00:46:47,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:47,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:47,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:47,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:47,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:47,138 INFO L87 Difference]: Start difference. First operand 427 states and 653 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:46:49,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:51,977 WARN L534 Checker$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 00:46:54,001 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 00:46:54,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:46:54,364 INFO L93 Difference]: Finished difference Result 858 states and 1317 transitions. [2022-02-24 00:46:54,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:46:54,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 135 [2022-02-24 00:46:54,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:46:54,366 INFO L225 Difference]: With dead ends: 858 [2022-02-24 00:46:54,366 INFO L226 Difference]: Without dead ends: 457 [2022-02-24 00:46:54,366 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 00:46:54,367 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 78 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:46:54,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 497 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 479 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2022-02-24 00:46:54,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-02-24 00:46:54,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2022-02-24 00:46:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 422 states have (on average 1.5355450236966826) internal successors, (648), 422 states have internal predecessors, (648), 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 00:46:54,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 652 transitions. [2022-02-24 00:46:54,374 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 652 transitions. Word has length 135 [2022-02-24 00:46:54,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:46:54,374 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 652 transitions. [2022-02-24 00:46:54,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:46:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 652 transitions. [2022-02-24 00:46:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-02-24 00:46:54,375 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:46:54,376 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] [2022-02-24 00:46:54,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-24 00:46:54,376 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:46:54,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:46:54,377 INFO L85 PathProgramCache]: Analyzing trace with hash 210073537, now seen corresponding path program 1 times [2022-02-24 00:46:54,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:46:54,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551439479] [2022-02-24 00:46:54,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:46:54,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:46:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:46:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:46:54,465 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 00:46:54,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:46:54,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551439479] [2022-02-24 00:46:54,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551439479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:46:54,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:46:54,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:46:54,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490978760] [2022-02-24 00:46:54,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:46:54,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:46:54,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:46:54,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:46:54,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:46:54,466 INFO L87 Difference]: Start difference. First operand 427 states and 652 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:46:56,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:46:58,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:00,355 WARN L534 Checker$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 00:47:01,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:01,338 INFO L93 Difference]: Finished difference Result 893 states and 1366 transitions. [2022-02-24 00:47:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:01,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 135 [2022-02-24 00:47:01,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:01,340 INFO L225 Difference]: With dead ends: 893 [2022-02-24 00:47:01,340 INFO L226 Difference]: Without dead ends: 492 [2022-02-24 00:47:01,341 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 00:47:01,341 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 131 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:01,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 386 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 470 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-02-24 00:47:01,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-02-24 00:47:01,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 427. [2022-02-24 00:47:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 422 states have (on average 1.5213270142180095) internal successors, (642), 422 states have internal predecessors, (642), 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 00:47:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 646 transitions. [2022-02-24 00:47:01,348 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 646 transitions. Word has length 135 [2022-02-24 00:47:01,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:01,348 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 646 transitions. [2022-02-24 00:47:01,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:47:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 646 transitions. [2022-02-24 00:47:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-02-24 00:47:01,349 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:01,349 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] [2022-02-24 00:47:01,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-24 00:47:01,349 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:01,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:01,349 INFO L85 PathProgramCache]: Analyzing trace with hash 361584944, now seen corresponding path program 1 times [2022-02-24 00:47:01,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:01,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605628640] [2022-02-24 00:47:01,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:01,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:01,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:01,458 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 00:47:01,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:01,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605628640] [2022-02-24 00:47:01,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605628640] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:01,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:01,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:01,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147449365] [2022-02-24 00:47:01,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:01,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:01,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:01,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:01,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:01,460 INFO L87 Difference]: Start difference. First operand 427 states and 646 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:47:04,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:06,145 WARN L534 Checker$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 00:47:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:07,063 INFO L93 Difference]: Finished difference Result 893 states and 1354 transitions. [2022-02-24 00:47:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:07,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 139 [2022-02-24 00:47:07,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:07,065 INFO L225 Difference]: With dead ends: 893 [2022-02-24 00:47:07,065 INFO L226 Difference]: Without dead ends: 492 [2022-02-24 00:47:07,066 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 00:47:07,066 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 121 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 49 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:07,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 396 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-02-24 00:47:07,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-02-24 00:47:07,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 427. [2022-02-24 00:47:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 422 states have (on average 1.509478672985782) internal successors, (637), 422 states have internal predecessors, (637), 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 00:47:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 641 transitions. [2022-02-24 00:47:07,075 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 641 transitions. Word has length 139 [2022-02-24 00:47:07,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:07,075 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 641 transitions. [2022-02-24 00:47:07,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:47:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 641 transitions. [2022-02-24 00:47:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-02-24 00:47:07,076 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:07,076 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] [2022-02-24 00:47:07,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-24 00:47:07,076 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:07,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:07,076 INFO L85 PathProgramCache]: Analyzing trace with hash -608706063, now seen corresponding path program 1 times [2022-02-24 00:47:07,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:07,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686472998] [2022-02-24 00:47:07,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:07,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:07,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-24 00:47:07,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:07,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686472998] [2022-02-24 00:47:07,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686472998] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:07,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:07,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:07,170 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149302547] [2022-02-24 00:47:07,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:07,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:07,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:07,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:07,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:07,171 INFO L87 Difference]: Start difference. First operand 427 states and 641 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 00:47:09,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:11,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:13,131 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 00:47:13,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:13,482 INFO L93 Difference]: Finished difference Result 867 states and 1308 transitions. [2022-02-24 00:47:13,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:13,482 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 139 [2022-02-24 00:47:13,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:13,483 INFO L225 Difference]: With dead ends: 867 [2022-02-24 00:47:13,483 INFO L226 Difference]: Without dead ends: 466 [2022-02-24 00:47:13,484 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 00:47:13,484 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 27 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:13,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 585 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 439 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-02-24 00:47:13,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-02-24 00:47:13,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 453. [2022-02-24 00:47:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.5044642857142858) internal successors, (674), 448 states have internal predecessors, (674), 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 00:47:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 678 transitions. [2022-02-24 00:47:13,490 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 678 transitions. Word has length 139 [2022-02-24 00:47:13,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:13,491 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 678 transitions. [2022-02-24 00:47:13,491 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 00:47:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 678 transitions. [2022-02-24 00:47:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-02-24 00:47:13,492 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:13,492 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] [2022-02-24 00:47:13,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-24 00:47:13,492 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:13,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:13,492 INFO L85 PathProgramCache]: Analyzing trace with hash -785474316, now seen corresponding path program 1 times [2022-02-24 00:47:13,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:13,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987089273] [2022-02-24 00:47:13,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:13,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:13,585 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 00:47:13,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:13,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987089273] [2022-02-24 00:47:13,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987089273] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:13,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:13,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:13,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234968375] [2022-02-24 00:47:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:13,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:13,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:13,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:13,587 INFO L87 Difference]: Start difference. First operand 453 states and 678 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:47:15,603 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 00:47:15,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:15,993 INFO L93 Difference]: Finished difference Result 910 states and 1367 transitions. [2022-02-24 00:47:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:15,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 142 [2022-02-24 00:47:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:15,995 INFO L225 Difference]: With dead ends: 910 [2022-02-24 00:47:15,995 INFO L226 Difference]: Without dead ends: 483 [2022-02-24 00:47:15,996 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 00:47:15,996 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 63 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:15,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 509 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 483 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-24 00:47:15,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-02-24 00:47:16,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 453. [2022-02-24 00:47:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.5022321428571428) internal successors, (673), 448 states have internal predecessors, (673), 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 00:47:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 677 transitions. [2022-02-24 00:47:16,002 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 677 transitions. Word has length 142 [2022-02-24 00:47:16,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:16,002 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 677 transitions. [2022-02-24 00:47:16,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:47:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 677 transitions. [2022-02-24 00:47:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-02-24 00:47:16,003 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:16,003 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, 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 00:47:16,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-24 00:47:16,004 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:16,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:16,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1247350556, now seen corresponding path program 1 times [2022-02-24 00:47:16,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:16,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348458069] [2022-02-24 00:47:16,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:16,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:16,148 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 00:47:16,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:16,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348458069] [2022-02-24 00:47:16,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348458069] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:16,149 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:16,149 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:16,149 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568424942] [2022-02-24 00:47:16,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:16,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:16,149 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:16,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:16,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:16,150 INFO L87 Difference]: Start difference. First operand 453 states and 677 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 00:47:18,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:19,585 WARN L534 Checker$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 00:47:21,602 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 00:47:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:22,116 INFO L93 Difference]: Finished difference Result 945 states and 1416 transitions. [2022-02-24 00:47:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:22,116 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 143 [2022-02-24 00:47:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:22,118 INFO L225 Difference]: With dead ends: 945 [2022-02-24 00:47:22,118 INFO L226 Difference]: Without dead ends: 518 [2022-02-24 00:47:22,118 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 00:47:22,119 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 116 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:22,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 386 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 471 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-02-24 00:47:22,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-02-24 00:47:22,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 453. [2022-02-24 00:47:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4910714285714286) internal successors, (668), 448 states have internal predecessors, (668), 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 00:47:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 672 transitions. [2022-02-24 00:47:22,129 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 672 transitions. Word has length 143 [2022-02-24 00:47:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:22,129 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 672 transitions. [2022-02-24 00:47:22,129 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 00:47:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 672 transitions. [2022-02-24 00:47:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-24 00:47:22,130 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:22,130 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] [2022-02-24 00:47:22,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-24 00:47:22,130 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:22,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:22,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2078608695, now seen corresponding path program 1 times [2022-02-24 00:47:22,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:22,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976594019] [2022-02-24 00:47:22,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:22,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:22,217 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 00:47:22,217 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:22,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976594019] [2022-02-24 00:47:22,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976594019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:22,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:22,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:22,218 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039894863] [2022-02-24 00:47:22,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:22,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:22,218 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:22,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:22,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:22,219 INFO L87 Difference]: Start difference. First operand 453 states and 672 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 00:47:24,674 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 00:47:26,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:27,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:28,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:28,068 INFO L93 Difference]: Finished difference Result 902 states and 1342 transitions. [2022-02-24 00:47:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:28,069 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 144 [2022-02-24 00:47:28,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:28,070 INFO L225 Difference]: With dead ends: 902 [2022-02-24 00:47:28,070 INFO L226 Difference]: Without dead ends: 475 [2022-02-24 00:47:28,071 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 00:47:28,071 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 50 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:28,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 527 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-02-24 00:47:28,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-02-24 00:47:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 453. [2022-02-24 00:47:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4888392857142858) internal successors, (667), 448 states have internal predecessors, (667), 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 00:47:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 671 transitions. [2022-02-24 00:47:28,078 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 671 transitions. Word has length 144 [2022-02-24 00:47:28,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:28,078 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 671 transitions. [2022-02-24 00:47:28,078 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 00:47:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 671 transitions. [2022-02-24 00:47:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-24 00:47:28,079 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:28,079 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:47:28,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-24 00:47:28,079 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:28,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:28,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1648187205, now seen corresponding path program 1 times [2022-02-24 00:47:28,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:28,080 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233504666] [2022-02-24 00:47:28,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:28,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:47:28,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:28,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233504666] [2022-02-24 00:47:28,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233504666] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:28,177 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:28,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:28,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443963281] [2022-02-24 00:47:28,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:28,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:28,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:28,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:28,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:28,178 INFO L87 Difference]: Start difference. First operand 453 states and 671 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 00:47:30,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:32,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:32,338 INFO L93 Difference]: Finished difference Result 902 states and 1340 transitions. [2022-02-24 00:47:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:32,338 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 00:47:32,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:32,340 INFO L225 Difference]: With dead ends: 902 [2022-02-24 00:47:32,340 INFO L226 Difference]: Without dead ends: 475 [2022-02-24 00:47:32,341 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 00:47:32,341 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 53 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:32,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 527 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-02-24 00:47:32,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-02-24 00:47:32,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 453. [2022-02-24 00:47:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4866071428571428) internal successors, (666), 448 states have internal predecessors, (666), 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 00:47:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 670 transitions. [2022-02-24 00:47:32,347 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 670 transitions. Word has length 145 [2022-02-24 00:47:32,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:32,347 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 670 transitions. [2022-02-24 00:47:32,347 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 00:47:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 670 transitions. [2022-02-24 00:47:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-24 00:47:32,348 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:32,348 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] [2022-02-24 00:47:32,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-24 00:47:32,348 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:32,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:32,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1171735351, now seen corresponding path program 1 times [2022-02-24 00:47:32,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:32,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962214777] [2022-02-24 00:47:32,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:32,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:32,440 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 00:47:32,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:32,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962214777] [2022-02-24 00:47:32,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962214777] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:32,440 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:32,440 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:32,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986894434] [2022-02-24 00:47:32,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:32,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:32,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:32,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:32,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:32,441 INFO L87 Difference]: Start difference. First operand 453 states and 670 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 00:47:33,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:35,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:38,078 WARN L534 Checker$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 00:47:38,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:38,479 INFO L93 Difference]: Finished difference Result 945 states and 1402 transitions. [2022-02-24 00:47:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:38,480 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 00:47:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:38,481 INFO L225 Difference]: With dead ends: 945 [2022-02-24 00:47:38,481 INFO L226 Difference]: Without dead ends: 518 [2022-02-24 00:47:38,482 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 00:47:38,482 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 113 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:38,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 386 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 471 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-02-24 00:47:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-02-24 00:47:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 453. [2022-02-24 00:47:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4754464285714286) internal successors, (661), 448 states have internal predecessors, (661), 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 00:47:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 665 transitions. [2022-02-24 00:47:38,488 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 665 transitions. Word has length 145 [2022-02-24 00:47:38,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:38,489 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 665 transitions. [2022-02-24 00:47:38,489 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 00:47:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 665 transitions. [2022-02-24 00:47:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-24 00:47:38,490 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:38,490 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:47:38,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-24 00:47:38,490 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:38,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:38,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1719602763, now seen corresponding path program 1 times [2022-02-24 00:47:38,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:38,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651556646] [2022-02-24 00:47:38,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:38,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:47:38,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:38,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651556646] [2022-02-24 00:47:38,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651556646] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:38,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:38,616 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:38,616 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811132416] [2022-02-24 00:47:38,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:38,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:38,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:38,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:38,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:38,617 INFO L87 Difference]: Start difference. First operand 453 states and 665 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 00:47:41,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:43,443 WARN L534 Checker$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 00:47:44,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:45,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:45,316 INFO L93 Difference]: Finished difference Result 945 states and 1392 transitions. [2022-02-24 00:47:45,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:45,316 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 00:47:45,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:45,317 INFO L225 Difference]: With dead ends: 945 [2022-02-24 00:47:45,318 INFO L226 Difference]: Without dead ends: 518 [2022-02-24 00:47:45,318 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 00:47:45,319 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 116 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:45,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 386 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 470 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-02-24 00:47:45,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-02-24 00:47:45,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 453. [2022-02-24 00:47:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4642857142857142) internal successors, (656), 448 states have internal predecessors, (656), 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 00:47:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 660 transitions. [2022-02-24 00:47:45,324 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 660 transitions. Word has length 146 [2022-02-24 00:47:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:45,325 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 660 transitions. [2022-02-24 00:47:45,325 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 00:47:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 660 transitions. [2022-02-24 00:47:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-02-24 00:47:45,326 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:45,326 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, 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 00:47:45,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-24 00:47:45,326 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:45,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:45,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1178364217, now seen corresponding path program 1 times [2022-02-24 00:47:45,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:45,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478742239] [2022-02-24 00:47:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:45,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:47:45,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:45,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478742239] [2022-02-24 00:47:45,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478742239] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:45,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:45,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:45,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257553210] [2022-02-24 00:47:45,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:45,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:45,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:45,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:45,412 INFO L87 Difference]: Start difference. First operand 453 states and 660 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 00:47:47,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:47,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:47,767 INFO L93 Difference]: Finished difference Result 898 states and 1313 transitions. [2022-02-24 00:47:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:47,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 148 [2022-02-24 00:47:47,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:47,768 INFO L225 Difference]: With dead ends: 898 [2022-02-24 00:47:47,768 INFO L226 Difference]: Without dead ends: 471 [2022-02-24 00:47:47,769 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 00:47:47,769 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 41 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:47,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 535 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 457 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-24 00:47:47,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-02-24 00:47:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 453. [2022-02-24 00:47:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4620535714285714) internal successors, (655), 448 states have internal predecessors, (655), 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 00:47:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 659 transitions. [2022-02-24 00:47:47,775 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 659 transitions. Word has length 148 [2022-02-24 00:47:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:47,775 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 659 transitions. [2022-02-24 00:47:47,776 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 00:47:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 659 transitions. [2022-02-24 00:47:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-02-24 00:47:47,776 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:47,776 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, 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 00:47:47,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-24 00:47:47,777 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash 476237652, now seen corresponding path program 1 times [2022-02-24 00:47:47,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:47,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234295798] [2022-02-24 00:47:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:47,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:47:47,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:47,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234295798] [2022-02-24 00:47:47,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234295798] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:47,873 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:47,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:47,874 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347582195] [2022-02-24 00:47:47,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:47,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:47,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:47,874 INFO L87 Difference]: Start difference. First operand 453 states and 659 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 00:47:50,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:52,511 WARN L534 Checker$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 00:47:52,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:52,922 INFO L93 Difference]: Finished difference Result 945 states and 1380 transitions. [2022-02-24 00:47:52,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:52,922 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 00:47:52,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:52,924 INFO L225 Difference]: With dead ends: 945 [2022-02-24 00:47:52,924 INFO L226 Difference]: Without dead ends: 518 [2022-02-24 00:47:52,925 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 00:47:52,925 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 108 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:52,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 386 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-02-24 00:47:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-02-24 00:47:52,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 453. [2022-02-24 00:47:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4508928571428572) internal successors, (650), 448 states have internal predecessors, (650), 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 00:47:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 654 transitions. [2022-02-24 00:47:52,931 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 654 transitions. Word has length 149 [2022-02-24 00:47:52,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:52,932 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 654 transitions. [2022-02-24 00:47:52,932 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 00:47:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 654 transitions. [2022-02-24 00:47:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-02-24 00:47:52,933 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:52,933 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, 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 00:47:52,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-24 00:47:52,933 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:52,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2082256811, now seen corresponding path program 1 times [2022-02-24 00:47:52,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:52,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828542500] [2022-02-24 00:47:52,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:47:53,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:53,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828542500] [2022-02-24 00:47:53,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828542500] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:53,025 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:53,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:53,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34601330] [2022-02-24 00:47:53,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:53,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:53,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:53,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:53,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:53,026 INFO L87 Difference]: Start difference. First operand 453 states and 654 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 00:47:55,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:47:57,751 WARN L534 Checker$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 00:47:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:47:58,116 INFO L93 Difference]: Finished difference Result 894 states and 1296 transitions. [2022-02-24 00:47:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:47:58,117 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 00:47:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:47:58,118 INFO L225 Difference]: With dead ends: 894 [2022-02-24 00:47:58,118 INFO L226 Difference]: Without dead ends: 467 [2022-02-24 00:47:58,119 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 00:47:58,119 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 34 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:47:58,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 539 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 456 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-02-24 00:47:58,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-02-24 00:47:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 453. [2022-02-24 00:47:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4486607142857142) internal successors, (649), 448 states have internal predecessors, (649), 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 00:47:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 653 transitions. [2022-02-24 00:47:58,125 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 653 transitions. Word has length 149 [2022-02-24 00:47:58,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:47:58,125 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 653 transitions. [2022-02-24 00:47:58,125 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 00:47:58,125 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 653 transitions. [2022-02-24 00:47:58,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-02-24 00:47:58,126 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:47:58,126 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:47:58,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-24 00:47:58,126 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:47:58,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:47:58,126 INFO L85 PathProgramCache]: Analyzing trace with hash 306402129, now seen corresponding path program 1 times [2022-02-24 00:47:58,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:47:58,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274221584] [2022-02-24 00:47:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:47:58,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:47:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:47:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:47:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-24 00:47:58,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:47:58,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274221584] [2022-02-24 00:47:58,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274221584] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:47:58,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:47:58,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:47:58,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9487186] [2022-02-24 00:47:58,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:47:58,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:47:58,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:47:58,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:47:58,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:47:58,223 INFO L87 Difference]: Start difference. First operand 453 states and 653 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 00:48:00,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:02,909 WARN L534 Checker$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 00:48:04,932 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 00:48:05,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:05,348 INFO L93 Difference]: Finished difference Result 945 states and 1368 transitions. [2022-02-24 00:48:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:48:05,349 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 00:48:05,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:05,350 INFO L225 Difference]: With dead ends: 945 [2022-02-24 00:48:05,350 INFO L226 Difference]: Without dead ends: 518 [2022-02-24 00:48:05,351 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 00:48:05,351 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 105 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:05,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 388 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 471 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-02-24 00:48:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-02-24 00:48:05,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 453. [2022-02-24 00:48:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4375) internal successors, (644), 448 states have internal predecessors, (644), 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 00:48:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 648 transitions. [2022-02-24 00:48:05,357 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 648 transitions. Word has length 150 [2022-02-24 00:48:05,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:05,357 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 648 transitions. [2022-02-24 00:48:05,358 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 00:48:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 648 transitions. [2022-02-24 00:48:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-02-24 00:48:05,358 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:05,358 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, 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 00:48:05,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-24 00:48:05,359 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash -397533602, now seen corresponding path program 1 times [2022-02-24 00:48:05,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:05,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213129919] [2022-02-24 00:48:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-24 00:48:05,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:05,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213129919] [2022-02-24 00:48:05,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213129919] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:05,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:05,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:48:05,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073247575] [2022-02-24 00:48:05,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:05,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:48:05,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:05,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:48:05,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:48:05,477 INFO L87 Difference]: Start difference. First operand 453 states and 648 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states 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 00:48:07,481 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 00:48:09,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:11,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:13,534 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 00:48:13,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:13,948 INFO L93 Difference]: Finished difference Result 1024 states and 1475 transitions. [2022-02-24 00:48:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:48:13,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 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 00:48:13,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:13,950 INFO L225 Difference]: With dead ends: 1024 [2022-02-24 00:48:13,950 INFO L226 Difference]: Without dead ends: 597 [2022-02-24 00:48:13,951 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 00:48:13,951 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 106 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 44 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:13,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 378 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 456 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-02-24 00:48:13,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2022-02-24 00:48:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 517. [2022-02-24 00:48:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 512 states have (on average 1.43359375) internal successors, (734), 512 states have internal predecessors, (734), 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 00:48:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 738 transitions. [2022-02-24 00:48:13,957 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 738 transitions. Word has length 158 [2022-02-24 00:48:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:13,958 INFO L470 AbstractCegarLoop]: Abstraction has 517 states and 738 transitions. [2022-02-24 00:48:13,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states 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 00:48:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 738 transitions. [2022-02-24 00:48:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-02-24 00:48:13,959 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:13,959 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] [2022-02-24 00:48:13,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-24 00:48:13,959 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:13,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1639676051, now seen corresponding path program 1 times [2022-02-24 00:48:13,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:13,959 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684252609] [2022-02-24 00:48:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:13,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:14,056 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 00:48:14,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:14,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684252609] [2022-02-24 00:48:14,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684252609] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:14,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:14,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:48:14,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029442181] [2022-02-24 00:48:14,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:14,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:48:14,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:14,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:48:14,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:48:14,058 INFO L87 Difference]: Start difference. First operand 517 states and 738 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:16,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:18,474 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 00:48:18,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:18,873 INFO L93 Difference]: Finished difference Result 1073 states and 1538 transitions. [2022-02-24 00:48:18,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:48:18,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 164 [2022-02-24 00:48:18,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:18,875 INFO L225 Difference]: With dead ends: 1073 [2022-02-24 00:48:18,875 INFO L226 Difference]: Without dead ends: 582 [2022-02-24 00:48:18,876 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 00:48:18,876 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 101 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:18,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 366 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-24 00:48:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-02-24 00:48:18,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 517. [2022-02-24 00:48:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 512 states have (on average 1.427734375) internal successors, (731), 512 states have internal predecessors, (731), 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 00:48:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 735 transitions. [2022-02-24 00:48:18,883 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 735 transitions. Word has length 164 [2022-02-24 00:48:18,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:18,883 INFO L470 AbstractCegarLoop]: Abstraction has 517 states and 735 transitions. [2022-02-24 00:48:18,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 735 transitions. [2022-02-24 00:48:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-02-24 00:48:18,884 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:18,884 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] [2022-02-24 00:48:18,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-24 00:48:18,884 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:18,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:18,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1131694392, now seen corresponding path program 1 times [2022-02-24 00:48:18,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:18,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81872247] [2022-02-24 00:48:18,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:18,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-02-24 00:48:18,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:18,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81872247] [2022-02-24 00:48:18,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81872247] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:18,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:18,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:48:18,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993755693] [2022-02-24 00:48:18,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:18,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:48:18,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:18,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:48:18,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:48:18,985 INFO L87 Difference]: Start difference. First operand 517 states and 735 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 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 00:48:20,999 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 00:48:21,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:21,432 INFO L93 Difference]: Finished difference Result 1492 states and 2137 transitions. [2022-02-24 00:48:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:48:21,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 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 172 [2022-02-24 00:48:21,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:21,435 INFO L225 Difference]: With dead ends: 1492 [2022-02-24 00:48:21,435 INFO L226 Difference]: Without dead ends: 1001 [2022-02-24 00:48:21,435 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 00:48:21,436 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 141 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:21,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 570 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 414 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-24 00:48:21,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2022-02-24 00:48:21,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 1001. [2022-02-24 00:48:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 996 states have (on average 1.4246987951807228) internal successors, (1419), 996 states have internal predecessors, (1419), 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 00:48:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1423 transitions. [2022-02-24 00:48:21,448 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1423 transitions. Word has length 172 [2022-02-24 00:48:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:21,448 INFO L470 AbstractCegarLoop]: Abstraction has 1001 states and 1423 transitions. [2022-02-24 00:48:21,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 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 00:48:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1423 transitions. [2022-02-24 00:48:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-02-24 00:48:21,450 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:21,450 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] [2022-02-24 00:48:21,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-24 00:48:21,450 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:21,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:21,450 INFO L85 PathProgramCache]: Analyzing trace with hash 57013455, now seen corresponding path program 1 times [2022-02-24 00:48:21,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:21,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233887983] [2022-02-24 00:48:21,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:21,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-24 00:48:21,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:21,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233887983] [2022-02-24 00:48:21,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233887983] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:21,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:21,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:48:21,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844700627] [2022-02-24 00:48:21,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:21,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:48:21,552 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:21,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:48:21,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:48:21,553 INFO L87 Difference]: Start difference. First operand 1001 states and 1423 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:23,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:25,113 WARN L534 Checker$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 00:48:26,461 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 00:48:26,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:26,771 INFO L93 Difference]: Finished difference Result 2425 states and 3460 transitions. [2022-02-24 00:48:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:48:26,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 173 [2022-02-24 00:48:26,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:26,775 INFO L225 Difference]: With dead ends: 2425 [2022-02-24 00:48:26,775 INFO L226 Difference]: Without dead ends: 1450 [2022-02-24 00:48:26,776 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 00:48:26,776 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 134 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:26,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 497 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 341 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-02-24 00:48:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2022-02-24 00:48:26,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1448. [2022-02-24 00:48:26,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1448 states, 1443 states have (on average 1.4234234234234233) internal successors, (2054), 1443 states have internal predecessors, (2054), 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 00:48:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 2058 transitions. [2022-02-24 00:48:26,794 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 2058 transitions. Word has length 173 [2022-02-24 00:48:26,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:26,794 INFO L470 AbstractCegarLoop]: Abstraction has 1448 states and 2058 transitions. [2022-02-24 00:48:26,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:26,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2058 transitions. [2022-02-24 00:48:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-24 00:48:26,796 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:26,796 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] [2022-02-24 00:48:26,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-24 00:48:26,796 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:26,797 INFO L85 PathProgramCache]: Analyzing trace with hash -25052704, now seen corresponding path program 1 times [2022-02-24 00:48:26,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:26,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319374463] [2022-02-24 00:48:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:26,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-24 00:48:26,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:26,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319374463] [2022-02-24 00:48:26,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319374463] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:26,881 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:26,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:48:26,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886744188] [2022-02-24 00:48:26,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:26,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:48:26,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:26,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:48:26,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:48:26,882 INFO L87 Difference]: Start difference. First operand 1448 states and 2058 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 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 00:48:28,168 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 00:48:30,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:32,218 WARN L534 Checker$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 00:48:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:32,583 INFO L93 Difference]: Finished difference Result 3313 states and 4724 transitions. [2022-02-24 00:48:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:48:32,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 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 174 [2022-02-24 00:48:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:32,598 INFO L225 Difference]: With dead ends: 3313 [2022-02-24 00:48:32,598 INFO L226 Difference]: Without dead ends: 1891 [2022-02-24 00:48:32,599 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 00:48:32,600 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:32,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 519 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-02-24 00:48:32,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2022-02-24 00:48:32,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1886. [2022-02-24 00:48:32,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1886 states, 1881 states have (on average 1.4247740563530038) internal successors, (2680), 1881 states have internal predecessors, (2680), 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 00:48:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2684 transitions. [2022-02-24 00:48:32,621 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2684 transitions. Word has length 174 [2022-02-24 00:48:32,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:32,621 INFO L470 AbstractCegarLoop]: Abstraction has 1886 states and 2684 transitions. [2022-02-24 00:48:32,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 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 00:48:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2684 transitions. [2022-02-24 00:48:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-24 00:48:32,624 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:32,624 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] [2022-02-24 00:48:32,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-24 00:48:32,624 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:32,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:32,625 INFO L85 PathProgramCache]: Analyzing trace with hash -317438529, now seen corresponding path program 1 times [2022-02-24 00:48:32,625 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:32,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653621082] [2022-02-24 00:48:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:32,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-02-24 00:48:32,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:32,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653621082] [2022-02-24 00:48:32,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653621082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:32,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:32,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:48:32,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398346737] [2022-02-24 00:48:32,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:32,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:48:32,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:32,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:48:32,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:48:32,706 INFO L87 Difference]: Start difference. First operand 1886 states and 2684 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:34,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:36,488 WARN L534 Checker$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 00:48:38,515 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 00:48:38,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:38,779 INFO L93 Difference]: Finished difference Result 3773 states and 5375 transitions. [2022-02-24 00:48:38,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:48:38,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-02-24 00:48:38,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:38,784 INFO L225 Difference]: With dead ends: 3773 [2022-02-24 00:48:38,784 INFO L226 Difference]: Without dead ends: 1913 [2022-02-24 00:48:38,786 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 00:48:38,787 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:38,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 417 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-02-24 00:48:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2022-02-24 00:48:38,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1913. [2022-02-24 00:48:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1908 states have (on average 1.4229559748427674) internal successors, (2715), 1908 states have internal predecessors, (2715), 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 00:48:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2719 transitions. [2022-02-24 00:48:38,811 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2719 transitions. Word has length 174 [2022-02-24 00:48:38,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:38,812 INFO L470 AbstractCegarLoop]: Abstraction has 1913 states and 2719 transitions. [2022-02-24 00:48:38,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:38,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2719 transitions. [2022-02-24 00:48:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-24 00:48:38,814 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:38,814 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] [2022-02-24 00:48:38,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-24 00:48:38,814 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:38,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:38,815 INFO L85 PathProgramCache]: Analyzing trace with hash -449762274, now seen corresponding path program 1 times [2022-02-24 00:48:38,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:38,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130233655] [2022-02-24 00:48:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-02-24 00:48:38,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:38,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130233655] [2022-02-24 00:48:38,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130233655] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:38,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:38,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 00:48:38,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194375405] [2022-02-24 00:48:38,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:38,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 00:48:38,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:38,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 00:48:38,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 00:48:38,908 INFO L87 Difference]: Start difference. First operand 1913 states and 2719 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states 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 00:48:40,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:42,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:44,751 WARN L534 Checker$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 00:48:44,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:44,999 INFO L93 Difference]: Finished difference Result 3802 states and 5411 transitions. [2022-02-24 00:48:45,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 00:48:45,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-02-24 00:48:45,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:45,005 INFO L225 Difference]: With dead ends: 3802 [2022-02-24 00:48:45,005 INFO L226 Difference]: Without dead ends: 1915 [2022-02-24 00:48:45,007 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 00:48:45,007 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:45,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 396 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-02-24 00:48:45,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2022-02-24 00:48:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1915. [2022-02-24 00:48:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1915 states, 1910 states have (on average 1.4225130890052355) internal successors, (2717), 1910 states have internal predecessors, (2717), 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 00:48:45,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2721 transitions. [2022-02-24 00:48:45,030 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2721 transitions. Word has length 174 [2022-02-24 00:48:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:45,030 INFO L470 AbstractCegarLoop]: Abstraction has 1915 states and 2721 transitions. [2022-02-24 00:48:45,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states 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 00:48:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2721 transitions. [2022-02-24 00:48:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-02-24 00:48:45,032 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:45,032 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:48:45,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-24 00:48:45,033 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:45,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:45,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1890873770, now seen corresponding path program 1 times [2022-02-24 00:48:45,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:45,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829721672] [2022-02-24 00:48:45,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:45,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-02-24 00:48:45,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:45,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829721672] [2022-02-24 00:48:45,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829721672] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:45,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:45,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:48:45,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997150987] [2022-02-24 00:48:45,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:45,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:48:45,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:45,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:48:45,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:48:45,155 INFO L87 Difference]: Start difference. First operand 1915 states and 2721 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:46,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:48,985 WARN L534 Checker$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 00:48:51,741 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 00:48:52,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:52,161 INFO L93 Difference]: Finished difference Result 3999 states and 5693 transitions. [2022-02-24 00:48:52,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:48:52,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 184 [2022-02-24 00:48:52,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:52,166 INFO L225 Difference]: With dead ends: 3999 [2022-02-24 00:48:52,166 INFO L226 Difference]: Without dead ends: 2112 [2022-02-24 00:48:52,168 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 00:48:52,168 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 37 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:52,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 595 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 481 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-02-24 00:48:52,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2022-02-24 00:48:52,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 2027. [2022-02-24 00:48:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2027 states, 2022 states have (on average 1.4228486646884273) internal successors, (2877), 2022 states have internal predecessors, (2877), 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 00:48:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2881 transitions. [2022-02-24 00:48:52,192 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2881 transitions. Word has length 184 [2022-02-24 00:48:52,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:48:52,192 INFO L470 AbstractCegarLoop]: Abstraction has 2027 states and 2881 transitions. [2022-02-24 00:48:52,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:48:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2881 transitions. [2022-02-24 00:48:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-02-24 00:48:52,194 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:48:52,194 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:48:52,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-24 00:48:52,194 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:48:52,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:48:52,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1277083641, now seen corresponding path program 1 times [2022-02-24 00:48:52,194 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:48:52,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891428649] [2022-02-24 00:48:52,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:48:52,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:48:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:48:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:48:52,288 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-24 00:48:52,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:48:52,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891428649] [2022-02-24 00:48:52,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891428649] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:48:52,288 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:48:52,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:48:52,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491705461] [2022-02-24 00:48:52,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:48:52,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:48:52,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:48:52,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:48:52,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:48:52,289 INFO L87 Difference]: Start difference. First operand 2027 states and 2881 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states 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 00:48:54,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:55,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:48:57,549 WARN L534 Checker$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 00:48:59,574 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 00:48:59,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:48:59,987 INFO L93 Difference]: Finished difference Result 4137 states and 5883 transitions. [2022-02-24 00:48:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:48:59,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 185 [2022-02-24 00:48:59,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:48:59,994 INFO L225 Difference]: With dead ends: 4137 [2022-02-24 00:48:59,995 INFO L226 Difference]: Without dead ends: 2138 [2022-02-24 00:48:59,997 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 00:48:59,997 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 68 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:48:59,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 566 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 524 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-02-24 00:48:59,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2022-02-24 00:49:00,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2027. [2022-02-24 00:49:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2027 states, 2022 states have (on average 1.4213649851632046) internal successors, (2874), 2022 states have internal predecessors, (2874), 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 00:49:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2878 transitions. [2022-02-24 00:49:00,022 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2878 transitions. Word has length 185 [2022-02-24 00:49:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:49:00,022 INFO L470 AbstractCegarLoop]: Abstraction has 2027 states and 2878 transitions. [2022-02-24 00:49:00,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states 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 00:49:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2878 transitions. [2022-02-24 00:49:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-02-24 00:49:00,024 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:49:00,025 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:49:00,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-24 00:49:00,025 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:49:00,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:49:00,025 INFO L85 PathProgramCache]: Analyzing trace with hash 20707135, now seen corresponding path program 1 times [2022-02-24 00:49:00,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:49:00,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644741685] [2022-02-24 00:49:00,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:49:00,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:49:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:49:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-24 00:49:00,121 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:49:00,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644741685] [2022-02-24 00:49:00,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644741685] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:49:00,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:49:00,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:49:00,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629681988] [2022-02-24 00:49:00,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:49:00,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:49:00,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:49:00,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:49:00,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:49:00,122 INFO L87 Difference]: Start difference. First operand 2027 states and 2878 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states 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 00:49:01,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:49:02,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:49:04,849 WARN L534 Checker$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 00:49:06,484 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 00:49:06,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:49:06,885 INFO L93 Difference]: Finished difference Result 4113 states and 5838 transitions. [2022-02-24 00:49:06,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:49:06,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 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 188 [2022-02-24 00:49:06,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:49:06,889 INFO L225 Difference]: With dead ends: 4113 [2022-02-24 00:49:06,889 INFO L226 Difference]: Without dead ends: 2114 [2022-02-24 00:49:06,891 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 00:49:06,891 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 60 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-24 00:49:06,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 584 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 507 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-02-24 00:49:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2022-02-24 00:49:06,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 2027. [2022-02-24 00:49:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2027 states, 2022 states have (on average 1.4198813056379822) internal successors, (2871), 2022 states have internal predecessors, (2871), 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 00:49:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2875 transitions. [2022-02-24 00:49:06,935 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2875 transitions. Word has length 188 [2022-02-24 00:49:06,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:49:06,935 INFO L470 AbstractCegarLoop]: Abstraction has 2027 states and 2875 transitions. [2022-02-24 00:49:06,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states 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 00:49:06,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2875 transitions. [2022-02-24 00:49:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-02-24 00:49:06,937 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:49:06,937 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:49:06,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-24 00:49:06,938 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:49:06,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:49:06,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1813520391, now seen corresponding path program 1 times [2022-02-24 00:49:06,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:49:06,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718732270] [2022-02-24 00:49:06,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:49:06,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:49:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:49:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-02-24 00:49:07,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:49:07,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718732270] [2022-02-24 00:49:07,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718732270] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:49:07,038 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:49:07,038 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 00:49:07,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502914538] [2022-02-24 00:49:07,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:49:07,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 00:49:07,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:49:07,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 00:49:07,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 00:49:07,039 INFO L87 Difference]: Start difference. First operand 2027 states and 2875 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:49:08,929 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 00:49:10,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:49:12,981 WARN L534 Checker$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 00:49:15,009 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 00:49:15,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:49:15,434 INFO L93 Difference]: Finished difference Result 4429 states and 6277 transitions. [2022-02-24 00:49:15,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 00:49:15,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 195 [2022-02-24 00:49:15,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:49:15,438 INFO L225 Difference]: With dead ends: 4429 [2022-02-24 00:49:15,438 INFO L226 Difference]: Without dead ends: 2430 [2022-02-24 00:49:15,440 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 00:49:15,440 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 102 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 53 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-02-24 00:49:15,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 374 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 461 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-02-24 00:49:15,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2022-02-24 00:49:15,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 2167. [2022-02-24 00:49:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 2162 states have (on average 1.4153561517113784) internal successors, (3060), 2162 states have internal predecessors, (3060), 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 00:49:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 3064 transitions. [2022-02-24 00:49:15,486 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 3064 transitions. Word has length 195 [2022-02-24 00:49:15,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:49:15,486 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 3064 transitions. [2022-02-24 00:49:15,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 00:49:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 3064 transitions. [2022-02-24 00:49:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-24 00:49:15,488 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:49:15,488 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:49:15,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-24 00:49:15,488 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:49:15,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:49:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash 763814783, now seen corresponding path program 1 times [2022-02-24 00:49:15,489 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:49:15,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379121755] [2022-02-24 00:49:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:49:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:49:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:49:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-02-24 00:49:15,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:49:15,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379121755] [2022-02-24 00:49:15,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379121755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 00:49:15,829 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 00:49:15,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-24 00:49:15,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416972405] [2022-02-24 00:49:15,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 00:49:15,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-24 00:49:15,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-24 00:49:15,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-24 00:49:15,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-24 00:49:15,830 INFO L87 Difference]: Start difference. First operand 2167 states and 3064 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 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 00:49:18,694 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 00:49:20,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:49:22,750 WARN L534 Checker$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 00:49:24,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:49:26,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-24 00:49:27,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 00:49:27,032 INFO L93 Difference]: Finished difference Result 4327 states and 6120 transitions. [2022-02-24 00:49:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-24 00:49:27,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 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 197 [2022-02-24 00:49:27,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 00:49:27,036 INFO L225 Difference]: With dead ends: 4327 [2022-02-24 00:49:27,036 INFO L226 Difference]: Without dead ends: 2167 [2022-02-24 00:49:27,038 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 00:49:27,038 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 7 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-02-24 00:49:27,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 842 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 440 Invalid, 4 Unknown, 0 Unchecked, 11.1s Time] [2022-02-24 00:49:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-02-24 00:49:27,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2167. [2022-02-24 00:49:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 2162 states have (on average 1.4148936170212767) internal successors, (3059), 2162 states have internal predecessors, (3059), 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 00:49:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 3063 transitions. [2022-02-24 00:49:27,065 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 3063 transitions. Word has length 197 [2022-02-24 00:49:27,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 00:49:27,065 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 3063 transitions. [2022-02-24 00:49:27,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 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 00:49:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 3063 transitions. [2022-02-24 00:49:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-24 00:49:27,068 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 00:49:27,068 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 00:49:27,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-24 00:49:27,068 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 00:49:27,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 00:49:27,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2018596800, now seen corresponding path program 1 times [2022-02-24 00:49:27,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-24 00:49:27,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640835144] [2022-02-24 00:49:27,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:49:27,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 00:49:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 00:49:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 204 proven. 70 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-02-24 00:49:27,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-24 00:49:27,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640835144] [2022-02-24 00:49:27,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640835144] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-24 00:49:27,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231502996] [2022-02-24 00:49:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 00:49:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-24 00:49:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 00:49:27,955 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 00:49:27,956 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 00:49:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 00:49:28,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 149 conjunts are in the unsatisfiable core [2022-02-24 00:49:28,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-24 00:49:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-24 00:49:29,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5856 treesize of output 1282