/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 23:40:32,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 23:40:32,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 23:40:32,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 23:40:32,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 23:40:32,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 23:40:32,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 23:40:32,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 23:40:32,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 23:40:32,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 23:40:32,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 23:40:32,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 23:40:32,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 23:40:32,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 23:40:32,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 23:40:32,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 23:40:32,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 23:40:32,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 23:40:32,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 23:40:32,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 23:40:32,764 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 23:40:32,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 23:40:32,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 23:40:32,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 23:40:32,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 23:40:32,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-17 23:40:32,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-17 23:40:32,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-17 23:40:32,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-17 23:40:32,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-17 23:40:32,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-17 23:40:32,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 23:40:32,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 23:40:32,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 23:40:32,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 23:40:32,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 23:40:32,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 23:40:32,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 23:40:32,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 23:40:32,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 23:40:32,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 23:40:32,805 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 23:40:32,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 23:40:32,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 23:40:32,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 23:40:32,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 23:40:32,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:40:32,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 23:40:32,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 23:40:32,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 23:40:32,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 23:40:32,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 23:40:32,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 23:40:32,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 23:40:32,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 23:40:32,809 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 23:40:32,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 23:40:32,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 23:40:33,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 23:40:33,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 23:40:33,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 23:40:33,013 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 23:40:33,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-03-17 23:40:33,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4afe1e301/95e6af46c0814b7f9013852faaf20d55/FLAG442412b1c [2022-03-17 23:40:33,569 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 23:40:33,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-03-17 23:40:33,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4afe1e301/95e6af46c0814b7f9013852faaf20d55/FLAG442412b1c [2022-03-17 23:40:34,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4afe1e301/95e6af46c0814b7f9013852faaf20d55 [2022-03-17 23:40:34,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 23:40:34,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 23:40:34,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 23:40:34,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 23:40:34,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 23:40:34,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662fd059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34, skipping insertion in model container [2022-03-17 23:40:34,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 23:40:34,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 23:40:34,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c[77378,77391] [2022-03-17 23:40:34,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:40:34,415 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 23:40:34,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c[77378,77391] [2022-03-17 23:40:34,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:40:34,500 INFO L208 MainTranslator]: Completed translation [2022-03-17 23:40:34,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34 WrapperNode [2022-03-17 23:40:34,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 23:40:34,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 23:40:34,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 23:40:34,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 23:40:34,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 23:40:34,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 23:40:34,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 23:40:34,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 23:40:34,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (1/1) ... [2022-03-17 23:40:34,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:40:34,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:40:34,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-17 23:40:34,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-17 23:40:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 23:40:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 23:40:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 23:40:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-17 23:40:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-17 23:40:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 23:40:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-17 23:40:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-17 23:40:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-17 23:40:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-17 23:40:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 23:40:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 23:40:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 23:40:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-17 23:40:34,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 23:40:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-17 23:40:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-17 23:40:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-17 23:40:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-17 23:40:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 23:40:34,784 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 23:40:34,785 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 23:40:35,771 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:40:36,069 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-17 23:40:36,070 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-17 23:40:36,078 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 23:40:36,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 23:40:36,084 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-17 23:40:36,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:40:36 BoogieIcfgContainer [2022-03-17 23:40:36,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 23:40:36,086 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 23:40:36,086 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 23:40:36,087 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 23:40:36,089 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:40:36" (1/1) ... [2022-03-17 23:40:36,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:40:36 BasicIcfg [2022-03-17 23:40:36,118 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 23:40:36,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 23:40:36,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 23:40:36,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 23:40:36,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:40:34" (1/4) ... [2022-03-17 23:40:36,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e599a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:40:36, skipping insertion in model container [2022-03-17 23:40:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:40:34" (2/4) ... [2022-03-17 23:40:36,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e599a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:40:36, skipping insertion in model container [2022-03-17 23:40:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:40:36" (3/4) ... [2022-03-17 23:40:36,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e599a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:40:36, skipping insertion in model container [2022-03-17 23:40:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:40:36" (4/4) ... [2022-03-17 23:40:36,123 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.16.i.cil-1.cqvasr [2022-03-17 23:40:36,127 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 23:40:36,127 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 23:40:36,160 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 23:40:36,165 INFO L340 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 [2022-03-17 23:40:36,165 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 23:40:36,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-17 23:40:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-17 23:40:36,185 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:40:36,185 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:40:36,186 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:40:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:40:36,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1778359795, now seen corresponding path program 1 times [2022-03-17 23:40:36,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:40:36,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438000198] [2022-03-17 23:40:36,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:40:36,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:40:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:40:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:40:36,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:40:36,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438000198] [2022-03-17 23:40:36,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438000198] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:40:36,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:40:36,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:40:36,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174082054] [2022-03-17 23:40:36,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:40:36,760 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:40:36,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:40:36,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:40:36,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:40:36,788 INFO L87 Difference]: Start difference. First operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:40,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:42,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:43,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:40:43,259 INFO L93 Difference]: Finished difference Result 350 states and 592 transitions. [2022-03-17 23:40:43,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:40:43,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-03-17 23:40:43,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:40:43,268 INFO L225 Difference]: With dead ends: 350 [2022-03-17 23:40:43,268 INFO L226 Difference]: Without dead ends: 178 [2022-03-17 23:40:43,270 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:40:43,273 INFO L912 BasicCegarLoop]: 245 mSDtfsCounter, 34 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:40:43,273 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 655 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 429 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-03-17 23:40:43,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-03-17 23:40:43,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 161. [2022-03-17 23:40:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 156 states have internal predecessors, (246), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2022-03-17 23:40:43,307 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 50 [2022-03-17 23:40:43,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:40:43,307 INFO L478 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2022-03-17 23:40:43,307 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2022-03-17 23:40:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-03-17 23:40:43,309 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:40:43,309 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:40:43,309 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 23:40:43,309 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:40:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:40:43,310 INFO L85 PathProgramCache]: Analyzing trace with hash 309742957, now seen corresponding path program 1 times [2022-03-17 23:40:43,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:40:43,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399403580] [2022-03-17 23:40:43,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:40:43,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:40:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:40:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:40:43,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:40:43,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399403580] [2022-03-17 23:40:43,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399403580] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:40:43,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:40:43,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:40:43,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389317543] [2022-03-17 23:40:43,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:40:43,454 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:40:43,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:40:43,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:40:43,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:40:43,455 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:44,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:46,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:48,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:50,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:40:50,022 INFO L93 Difference]: Finished difference Result 421 states and 660 transitions. [2022-03-17 23:40:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:40:50,022 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 [2022-03-17 23:40:50,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:40:50,024 INFO L225 Difference]: With dead ends: 421 [2022-03-17 23:40:50,025 INFO L226 Difference]: Without dead ends: 286 [2022-03-17 23:40:50,025 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:40:50,026 INFO L912 BasicCegarLoop]: 291 mSDtfsCounter, 159 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 46 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:40:50,026 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 706 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 652 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-03-17 23:40:50,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-03-17 23:40:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 177. [2022-03-17 23:40:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.5755813953488371) internal successors, (271), 172 states have internal predecessors, (271), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 275 transitions. [2022-03-17 23:40:50,038 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 275 transitions. Word has length 63 [2022-03-17 23:40:50,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:40:50,038 INFO L478 AbstractCegarLoop]: Abstraction has 177 states and 275 transitions. [2022-03-17 23:40:50,039 INFO L479 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) [2022-03-17 23:40:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 275 transitions. [2022-03-17 23:40:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-17 23:40:50,040 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:40:50,040 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:40:50,040 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 23:40:50,040 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:40:50,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:40:50,041 INFO L85 PathProgramCache]: Analyzing trace with hash 98378695, now seen corresponding path program 1 times [2022-03-17 23:40:50,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:40:50,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579536995] [2022-03-17 23:40:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:40:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:40:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:40:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:40:50,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:40:50,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579536995] [2022-03-17 23:40:50,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579536995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:40:50,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:40:50,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:40:50,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304117704] [2022-03-17 23:40:50,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:40:50,178 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:40:50,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:40:50,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:40:50,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:40:50,178 INFO L87 Difference]: Start difference. First operand 177 states and 275 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:52,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:53,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:55,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:57,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:40:57,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:40:57,436 INFO L93 Difference]: Finished difference Result 344 states and 533 transitions. [2022-03-17 23:40:57,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:40:57,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-03-17 23:40:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:40:57,438 INFO L225 Difference]: With dead ends: 344 [2022-03-17 23:40:57,438 INFO L226 Difference]: Without dead ends: 193 [2022-03-17 23:40:57,439 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:40:57,440 INFO L912 BasicCegarLoop]: 204 mSDtfsCounter, 28 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:40:57,440 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 533 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 377 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-03-17 23:40:57,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-03-17 23:40:57,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2022-03-17 23:40:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.569767441860465) internal successors, (270), 172 states have internal predecessors, (270), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 274 transitions. [2022-03-17 23:40:57,462 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 274 transitions. Word has length 64 [2022-03-17 23:40:57,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:40:57,462 INFO L478 AbstractCegarLoop]: Abstraction has 177 states and 274 transitions. [2022-03-17 23:40:57,462 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 274 transitions. [2022-03-17 23:40:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-17 23:40:57,463 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:40:57,463 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:40:57,464 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-17 23:40:57,464 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:40:57,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:40:57,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1256068121, now seen corresponding path program 1 times [2022-03-17 23:40:57,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:40:57,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522807851] [2022-03-17 23:40:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:40:57,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:40:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:40:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:40:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:40:57,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:40:57,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522807851] [2022-03-17 23:40:57,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522807851] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:40:57,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:40:57,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:40:57,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515465042] [2022-03-17 23:40:57,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:40:57,590 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:40:57,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:40:57,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:40:57,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:40:57,591 INFO L87 Difference]: Start difference. First operand 177 states and 274 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:40:59,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:01,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:03,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:04,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:04,600 INFO L93 Difference]: Finished difference Result 344 states and 532 transitions. [2022-03-17 23:41:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:04,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-03-17 23:41:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:04,602 INFO L225 Difference]: With dead ends: 344 [2022-03-17 23:41:04,602 INFO L226 Difference]: Without dead ends: 193 [2022-03-17 23:41:04,603 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:04,603 INFO L912 BasicCegarLoop]: 204 mSDtfsCounter, 26 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:04,604 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 533 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 376 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-03-17 23:41:04,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-03-17 23:41:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2022-03-17 23:41:04,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 172 states have (on average 1.563953488372093) internal successors, (269), 172 states have internal predecessors, (269), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 273 transitions. [2022-03-17 23:41:04,610 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 273 transitions. Word has length 64 [2022-03-17 23:41:04,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:04,610 INFO L478 AbstractCegarLoop]: Abstraction has 177 states and 273 transitions. [2022-03-17 23:41:04,610 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 273 transitions. [2022-03-17 23:41:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-17 23:41:04,611 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:04,611 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:04,611 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-17 23:41:04,612 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:04,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1981736999, now seen corresponding path program 1 times [2022-03-17 23:41:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:04,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223957963] [2022-03-17 23:41:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:04,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:41:04,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:04,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223957963] [2022-03-17 23:41:04,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223957963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:04,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:04,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:04,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137157597] [2022-03-17 23:41:04,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:04,753 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:04,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:04,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:04,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:04,753 INFO L87 Difference]: Start difference. First operand 177 states and 273 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:07,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:09,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:11,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:12,183 INFO L93 Difference]: Finished difference Result 453 states and 709 transitions. [2022-03-17 23:41:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:12,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-03-17 23:41:12,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:12,185 INFO L225 Difference]: With dead ends: 453 [2022-03-17 23:41:12,185 INFO L226 Difference]: Without dead ends: 302 [2022-03-17 23:41:12,186 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:12,186 INFO L912 BasicCegarLoop]: 133 mSDtfsCounter, 158 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 64 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:12,187 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 390 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 490 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2022-03-17 23:41:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-03-17 23:41:12,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 194. [2022-03-17 23:41:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.566137566137566) internal successors, (296), 189 states have internal predecessors, (296), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 300 transitions. [2022-03-17 23:41:12,194 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 300 transitions. Word has length 64 [2022-03-17 23:41:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:12,194 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 300 transitions. [2022-03-17 23:41:12,194 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 300 transitions. [2022-03-17 23:41:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-17 23:41:12,201 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:12,202 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:12,202 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-17 23:41:12,202 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:12,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:12,203 INFO L85 PathProgramCache]: Analyzing trace with hash 672474951, now seen corresponding path program 1 times [2022-03-17 23:41:12,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:12,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656526058] [2022-03-17 23:41:12,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:12,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:41:12,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:12,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656526058] [2022-03-17 23:41:12,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656526058] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:12,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:12,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:12,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229055051] [2022-03-17 23:41:12,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:12,378 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:12,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:12,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:12,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:12,379 INFO L87 Difference]: Start difference. First operand 194 states and 300 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:13,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:15,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:18,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:18,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:18,409 INFO L93 Difference]: Finished difference Result 375 states and 583 transitions. [2022-03-17 23:41:18,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:18,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-03-17 23:41:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:18,411 INFO L225 Difference]: With dead ends: 375 [2022-03-17 23:41:18,411 INFO L226 Difference]: Without dead ends: 207 [2022-03-17 23:41:18,411 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:18,412 INFO L912 BasicCegarLoop]: 207 mSDtfsCounter, 18 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:18,412 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 539 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 370 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-03-17 23:41:18,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-03-17 23:41:18,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 194. [2022-03-17 23:41:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.560846560846561) internal successors, (295), 189 states have internal predecessors, (295), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 299 transitions. [2022-03-17 23:41:18,420 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 299 transitions. Word has length 64 [2022-03-17 23:41:18,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:18,420 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 299 transitions. [2022-03-17 23:41:18,420 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:18,420 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 299 transitions. [2022-03-17 23:41:18,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-17 23:41:18,421 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:18,421 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:18,421 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-17 23:41:18,421 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:18,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:18,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1965860051, now seen corresponding path program 1 times [2022-03-17 23:41:18,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:18,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745124936] [2022-03-17 23:41:18,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:18,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:41:18,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:18,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745124936] [2022-03-17 23:41:18,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745124936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:18,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:18,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:18,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194991210] [2022-03-17 23:41:18,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:18,541 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:18,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:18,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:18,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:18,545 INFO L87 Difference]: Start difference. First operand 194 states and 299 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:22,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:24,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:24,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:24,496 INFO L93 Difference]: Finished difference Result 375 states and 582 transitions. [2022-03-17 23:41:24,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:24,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-03-17 23:41:24,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:24,497 INFO L225 Difference]: With dead ends: 375 [2022-03-17 23:41:24,497 INFO L226 Difference]: Without dead ends: 207 [2022-03-17 23:41:24,498 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:24,498 INFO L912 BasicCegarLoop]: 207 mSDtfsCounter, 22 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:24,498 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 539 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 370 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-03-17 23:41:24,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-03-17 23:41:24,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 194. [2022-03-17 23:41:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5555555555555556) internal successors, (294), 189 states have internal predecessors, (294), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 298 transitions. [2022-03-17 23:41:24,503 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 298 transitions. Word has length 65 [2022-03-17 23:41:24,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:24,503 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 298 transitions. [2022-03-17 23:41:24,503 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 298 transitions. [2022-03-17 23:41:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-17 23:41:24,504 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:24,504 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:24,504 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-17 23:41:24,504 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:24,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:24,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1094217131, now seen corresponding path program 1 times [2022-03-17 23:41:24,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:24,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497170626] [2022-03-17 23:41:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:41:24,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:24,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497170626] [2022-03-17 23:41:24,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497170626] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:24,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:24,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424821552] [2022-03-17 23:41:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:24,595 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:24,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:24,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:24,596 INFO L87 Difference]: Start difference. First operand 194 states and 298 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:28,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:30,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:30,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:30,760 INFO L93 Difference]: Finished difference Result 470 states and 733 transitions. [2022-03-17 23:41:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:30,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-03-17 23:41:30,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:30,762 INFO L225 Difference]: With dead ends: 470 [2022-03-17 23:41:30,762 INFO L226 Difference]: Without dead ends: 302 [2022-03-17 23:41:30,762 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:30,763 INFO L912 BasicCegarLoop]: 133 mSDtfsCounter, 160 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 64 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:30,763 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 390 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 491 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-03-17 23:41:30,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-03-17 23:41:30,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 194. [2022-03-17 23:41:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5396825396825398) internal successors, (291), 189 states have internal predecessors, (291), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 295 transitions. [2022-03-17 23:41:30,768 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 295 transitions. Word has length 66 [2022-03-17 23:41:30,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:30,768 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 295 transitions. [2022-03-17 23:41:30,768 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 295 transitions. [2022-03-17 23:41:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-17 23:41:30,769 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:30,769 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:30,769 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-17 23:41:30,769 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:30,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1209786960, now seen corresponding path program 1 times [2022-03-17 23:41:30,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:30,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82142476] [2022-03-17 23:41:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:30,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:41:30,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:30,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82142476] [2022-03-17 23:41:30,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82142476] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:30,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:30,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:30,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763929741] [2022-03-17 23:41:30,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:30,849 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:30,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:30,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:30,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:30,849 INFO L87 Difference]: Start difference. First operand 194 states and 295 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:33,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:35,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:35,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:35,772 INFO L93 Difference]: Finished difference Result 365 states and 563 transitions. [2022-03-17 23:41:35,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:35,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-03-17 23:41:35,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:35,773 INFO L225 Difference]: With dead ends: 365 [2022-03-17 23:41:35,773 INFO L226 Difference]: Without dead ends: 197 [2022-03-17 23:41:35,774 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:35,774 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 11 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:35,775 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 553 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 357 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-03-17 23:41:35,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-03-17 23:41:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2022-03-17 23:41:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 189 states have (on average 1.5343915343915344) internal successors, (290), 189 states have internal predecessors, (290), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 294 transitions. [2022-03-17 23:41:35,779 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 294 transitions. Word has length 67 [2022-03-17 23:41:35,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:35,779 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 294 transitions. [2022-03-17 23:41:35,779 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2022-03-17 23:41:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-17 23:41:35,780 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:35,780 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:35,780 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-17 23:41:35,780 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:35,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:35,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1552237473, now seen corresponding path program 1 times [2022-03-17 23:41:35,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:35,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598273492] [2022-03-17 23:41:35,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:35,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:41:35,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:35,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598273492] [2022-03-17 23:41:35,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598273492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:35,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:35,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:35,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895677736] [2022-03-17 23:41:35,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:35,873 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:35,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:35,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:35,874 INFO L87 Difference]: Start difference. First operand 194 states and 294 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:37,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:38,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:38,323 INFO L93 Difference]: Finished difference Result 488 states and 754 transitions. [2022-03-17 23:41:38,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:38,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-03-17 23:41:38,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:38,325 INFO L225 Difference]: With dead ends: 488 [2022-03-17 23:41:38,325 INFO L226 Difference]: Without dead ends: 320 [2022-03-17 23:41:38,325 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:38,326 INFO L912 BasicCegarLoop]: 134 mSDtfsCounter, 135 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:38,326 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 392 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 493 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-17 23:41:38,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-03-17 23:41:38,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 234. [2022-03-17 23:41:38,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 229 states have (on average 1.5720524017467248) internal successors, (360), 229 states have internal predecessors, (360), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 364 transitions. [2022-03-17 23:41:38,331 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 364 transitions. Word has length 67 [2022-03-17 23:41:38,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:38,331 INFO L478 AbstractCegarLoop]: Abstraction has 234 states and 364 transitions. [2022-03-17 23:41:38,332 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 364 transitions. [2022-03-17 23:41:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-17 23:41:38,332 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:38,332 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:38,332 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-17 23:41:38,332 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:38,333 INFO L85 PathProgramCache]: Analyzing trace with hash 37532662, now seen corresponding path program 1 times [2022-03-17 23:41:38,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:38,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246749228] [2022-03-17 23:41:38,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:38,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:41:38,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:38,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246749228] [2022-03-17 23:41:38,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246749228] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:38,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:38,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:38,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067591975] [2022-03-17 23:41:38,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:38,424 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:38,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:38,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:38,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:38,425 INFO L87 Difference]: Start difference. First operand 234 states and 364 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:42,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:42,947 INFO L93 Difference]: Finished difference Result 550 states and 867 transitions. [2022-03-17 23:41:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:42,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-03-17 23:41:42,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:42,949 INFO L225 Difference]: With dead ends: 550 [2022-03-17 23:41:42,949 INFO L226 Difference]: Without dead ends: 342 [2022-03-17 23:41:42,949 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:42,950 INFO L912 BasicCegarLoop]: 145 mSDtfsCounter, 134 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:42,950 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-03-17 23:41:42,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-03-17 23:41:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 257. [2022-03-17 23:41:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.6071428571428572) internal successors, (405), 252 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 409 transitions. [2022-03-17 23:41:42,956 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 409 transitions. Word has length 68 [2022-03-17 23:41:42,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:42,956 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 409 transitions. [2022-03-17 23:41:42,956 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 409 transitions. [2022-03-17 23:41:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-03-17 23:41:42,957 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:42,957 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:42,957 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-17 23:41:42,957 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:42,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:42,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1986857855, now seen corresponding path program 1 times [2022-03-17 23:41:42,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:42,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674035499] [2022-03-17 23:41:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:42,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-03-17 23:41:43,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:43,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674035499] [2022-03-17 23:41:43,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674035499] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:43,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:43,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:43,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787919435] [2022-03-17 23:41:43,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:43,041 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:43,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:43,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:43,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:43,041 INFO L87 Difference]: Start difference. First operand 257 states and 409 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:45,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:46,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:49,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:49,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:49,399 INFO L93 Difference]: Finished difference Result 529 states and 849 transitions. [2022-03-17 23:41:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2022-03-17 23:41:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:49,401 INFO L225 Difference]: With dead ends: 529 [2022-03-17 23:41:49,401 INFO L226 Difference]: Without dead ends: 298 [2022-03-17 23:41:49,401 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:49,402 INFO L912 BasicCegarLoop]: 212 mSDtfsCounter, 31 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:49,402 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 555 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 408 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-03-17 23:41:49,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-03-17 23:41:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 279. [2022-03-17 23:41:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.6058394160583942) internal successors, (440), 274 states have internal predecessors, (440), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 444 transitions. [2022-03-17 23:41:49,407 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 444 transitions. Word has length 96 [2022-03-17 23:41:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:49,407 INFO L478 AbstractCegarLoop]: Abstraction has 279 states and 444 transitions. [2022-03-17 23:41:49,408 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 444 transitions. [2022-03-17 23:41:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-17 23:41:49,408 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:49,408 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:49,408 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-17 23:41:49,409 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1890503815, now seen corresponding path program 1 times [2022-03-17 23:41:49,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:49,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164552142] [2022-03-17 23:41:49,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:49,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-17 23:41:49,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:49,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164552142] [2022-03-17 23:41:49,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164552142] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:49,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:49,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:49,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260946625] [2022-03-17 23:41:49,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:49,503 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:49,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:49,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:49,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:49,504 INFO L87 Difference]: Start difference. First operand 279 states and 444 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:51,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:52,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:54,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:54,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:41:54,782 INFO L93 Difference]: Finished difference Result 545 states and 874 transitions. [2022-03-17 23:41:54,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:41:54,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-03-17 23:41:54,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:41:54,784 INFO L225 Difference]: With dead ends: 545 [2022-03-17 23:41:54,784 INFO L226 Difference]: Without dead ends: 292 [2022-03-17 23:41:54,784 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:41:54,785 INFO L912 BasicCegarLoop]: 245 mSDtfsCounter, 21 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:41:54,785 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 620 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-03-17 23:41:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-03-17 23:41:54,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 279. [2022-03-17 23:41:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.602189781021898) internal successors, (439), 274 states have internal predecessors, (439), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 443 transitions. [2022-03-17 23:41:54,790 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 443 transitions. Word has length 110 [2022-03-17 23:41:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:41:54,790 INFO L478 AbstractCegarLoop]: Abstraction has 279 states and 443 transitions. [2022-03-17 23:41:54,790 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 443 transitions. [2022-03-17 23:41:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-17 23:41:54,791 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:41:54,791 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:41:54,791 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-17 23:41:54,791 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:41:54,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:41:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1976531207, now seen corresponding path program 1 times [2022-03-17 23:41:54,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:41:54,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400239455] [2022-03-17 23:41:54,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:41:54,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:41:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:41:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:41:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-17 23:41:54,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:41:54,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400239455] [2022-03-17 23:41:54,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400239455] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:41:54,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:41:54,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:41:54,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190857875] [2022-03-17 23:41:54,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:41:54,884 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:41:54,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:41:54,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:41:54,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:41:54,885 INFO L87 Difference]: Start difference. First operand 279 states and 443 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:41:56,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:41:58,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:00,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:01,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:01,290 INFO L93 Difference]: Finished difference Result 550 states and 880 transitions. [2022-03-17 23:42:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:01,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-03-17 23:42:01,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:01,291 INFO L225 Difference]: With dead ends: 550 [2022-03-17 23:42:01,291 INFO L226 Difference]: Without dead ends: 297 [2022-03-17 23:42:01,292 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:01,292 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 34 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:01,292 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 557 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 405 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-03-17 23:42:01,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-03-17 23:42:01,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 279. [2022-03-17 23:42:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.5985401459854014) internal successors, (438), 274 states have internal predecessors, (438), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 442 transitions. [2022-03-17 23:42:01,298 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 442 transitions. Word has length 110 [2022-03-17 23:42:01,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:01,298 INFO L478 AbstractCegarLoop]: Abstraction has 279 states and 442 transitions. [2022-03-17 23:42:01,298 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 442 transitions. [2022-03-17 23:42:01,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-17 23:42:01,299 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:01,299 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:01,299 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-17 23:42:01,299 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:01,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:01,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1574692822, now seen corresponding path program 1 times [2022-03-17 23:42:01,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:01,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819163115] [2022-03-17 23:42:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:01,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-03-17 23:42:01,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:01,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819163115] [2022-03-17 23:42:01,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819163115] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:01,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:01,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-17 23:42:01,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747417801] [2022-03-17 23:42:01,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:01,409 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-17 23:42:01,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:01,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-17 23:42:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:01,410 INFO L87 Difference]: Start difference. First operand 279 states and 442 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:03,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:03,792 INFO L93 Difference]: Finished difference Result 541 states and 866 transitions. [2022-03-17 23:42:03,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:42:03,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 111 [2022-03-17 23:42:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:03,793 INFO L225 Difference]: With dead ends: 541 [2022-03-17 23:42:03,793 INFO L226 Difference]: Without dead ends: 288 [2022-03-17 23:42:03,794 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:42:03,794 INFO L912 BasicCegarLoop]: 219 mSDtfsCounter, 3 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:03,794 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 697 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 447 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-17 23:42:03,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-03-17 23:42:03,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-03-17 23:42:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5865724381625441) internal successors, (449), 283 states have internal predecessors, (449), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 453 transitions. [2022-03-17 23:42:03,800 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 453 transitions. Word has length 111 [2022-03-17 23:42:03,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:03,835 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 453 transitions. [2022-03-17 23:42:03,835 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 453 transitions. [2022-03-17 23:42:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-17 23:42:03,836 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:03,837 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:03,837 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-17 23:42:03,837 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:03,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1141643190, now seen corresponding path program 1 times [2022-03-17 23:42:03,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:03,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530472540] [2022-03-17 23:42:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:03,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-17 23:42:03,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:03,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530472540] [2022-03-17 23:42:03,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530472540] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:03,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:03,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:03,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898405106] [2022-03-17 23:42:03,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:03,922 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:03,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:03,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:03,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:03,924 INFO L87 Difference]: Start difference. First operand 288 states and 453 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:05,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:07,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:08,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:10,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:11,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:11,003 INFO L93 Difference]: Finished difference Result 577 states and 911 transitions. [2022-03-17 23:42:11,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:11,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 111 [2022-03-17 23:42:11,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:11,004 INFO L225 Difference]: With dead ends: 577 [2022-03-17 23:42:11,005 INFO L226 Difference]: Without dead ends: 315 [2022-03-17 23:42:11,005 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:11,006 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 39 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:11,006 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 557 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 406 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-03-17 23:42:11,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-03-17 23:42:11,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2022-03-17 23:42:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5830388692579505) internal successors, (448), 283 states have internal predecessors, (448), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 452 transitions. [2022-03-17 23:42:11,011 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 452 transitions. Word has length 111 [2022-03-17 23:42:11,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:11,011 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 452 transitions. [2022-03-17 23:42:11,011 INFO L479 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) [2022-03-17 23:42:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 452 transitions. [2022-03-17 23:42:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-03-17 23:42:11,012 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:11,012 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:11,012 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-17 23:42:11,013 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:11,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:11,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1562282836, now seen corresponding path program 1 times [2022-03-17 23:42:11,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:11,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885625186] [2022-03-17 23:42:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-17 23:42:11,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:11,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885625186] [2022-03-17 23:42:11,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885625186] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:11,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:11,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:11,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432414974] [2022-03-17 23:42:11,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:11,115 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:11,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:11,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:11,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:11,116 INFO L87 Difference]: Start difference. First operand 288 states and 452 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:12,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:13,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:16,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:16,529 INFO L93 Difference]: Finished difference Result 644 states and 1008 transitions. [2022-03-17 23:42:16,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:16,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2022-03-17 23:42:16,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:16,531 INFO L225 Difference]: With dead ends: 644 [2022-03-17 23:42:16,531 INFO L226 Difference]: Without dead ends: 382 [2022-03-17 23:42:16,531 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:16,532 INFO L912 BasicCegarLoop]: 145 mSDtfsCounter, 160 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:16,532 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-03-17 23:42:16,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-03-17 23:42:16,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 288. [2022-03-17 23:42:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.568904593639576) internal successors, (444), 283 states have internal predecessors, (444), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:16,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 448 transitions. [2022-03-17 23:42:16,537 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 448 transitions. Word has length 112 [2022-03-17 23:42:16,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:16,537 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 448 transitions. [2022-03-17 23:42:16,537 INFO L479 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) [2022-03-17 23:42:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 448 transitions. [2022-03-17 23:42:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-17 23:42:16,538 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:16,538 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:16,538 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-17 23:42:16,538 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:16,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:16,539 INFO L85 PathProgramCache]: Analyzing trace with hash -452187025, now seen corresponding path program 1 times [2022-03-17 23:42:16,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:16,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527027031] [2022-03-17 23:42:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:16,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-17 23:42:16,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:16,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527027031] [2022-03-17 23:42:16,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527027031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:16,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:16,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:16,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353629263] [2022-03-17 23:42:16,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:16,632 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:16,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:16,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:16,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:16,633 INFO L87 Difference]: Start difference. First operand 288 states and 448 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:18,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:18,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:18,995 INFO L93 Difference]: Finished difference Result 567 states and 888 transitions. [2022-03-17 23:42:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:18,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 114 [2022-03-17 23:42:18,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:18,996 INFO L225 Difference]: With dead ends: 567 [2022-03-17 23:42:18,996 INFO L226 Difference]: Without dead ends: 305 [2022-03-17 23:42:18,997 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:18,997 INFO L912 BasicCegarLoop]: 215 mSDtfsCounter, 33 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:18,997 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 559 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 401 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-17 23:42:18,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-03-17 23:42:19,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 288. [2022-03-17 23:42:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5653710247349824) internal successors, (443), 283 states have internal predecessors, (443), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 447 transitions. [2022-03-17 23:42:19,002 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 447 transitions. Word has length 114 [2022-03-17 23:42:19,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:19,002 INFO L478 AbstractCegarLoop]: Abstraction has 288 states and 447 transitions. [2022-03-17 23:42:19,002 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:19,002 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 447 transitions. [2022-03-17 23:42:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-17 23:42:19,003 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:19,003 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:19,003 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-17 23:42:19,003 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:19,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:19,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1883754976, now seen corresponding path program 1 times [2022-03-17 23:42:19,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:19,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596996201] [2022-03-17 23:42:19,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:19,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:42:19,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:19,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596996201] [2022-03-17 23:42:19,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596996201] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:19,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:19,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:19,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734705833] [2022-03-17 23:42:19,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:19,136 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:19,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:19,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:19,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:19,136 INFO L87 Difference]: Start difference. First operand 288 states and 447 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:20,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:22,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:25,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:25,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:25,860 INFO L93 Difference]: Finished difference Result 659 states and 1029 transitions. [2022-03-17 23:42:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:25,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-03-17 23:42:25,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:25,862 INFO L225 Difference]: With dead ends: 659 [2022-03-17 23:42:25,862 INFO L226 Difference]: Without dead ends: 397 [2022-03-17 23:42:25,863 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:25,863 INFO L912 BasicCegarLoop]: 211 mSDtfsCounter, 98 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:25,863 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 553 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-03-17 23:42:25,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-03-17 23:42:25,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 322. [2022-03-17 23:42:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.5741324921135647) internal successors, (499), 317 states have internal predecessors, (499), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 503 transitions. [2022-03-17 23:42:25,868 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 503 transitions. Word has length 118 [2022-03-17 23:42:25,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:25,869 INFO L478 AbstractCegarLoop]: Abstraction has 322 states and 503 transitions. [2022-03-17 23:42:25,869 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 503 transitions. [2022-03-17 23:42:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-17 23:42:25,869 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:25,870 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:25,870 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-17 23:42:25,870 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:25,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:25,870 INFO L85 PathProgramCache]: Analyzing trace with hash -929526081, now seen corresponding path program 1 times [2022-03-17 23:42:25,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:25,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547074393] [2022-03-17 23:42:25,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:25,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-17 23:42:25,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:25,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547074393] [2022-03-17 23:42:25,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547074393] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:25,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:25,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534773165] [2022-03-17 23:42:25,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:25,955 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:25,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:25,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:25,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:25,956 INFO L87 Difference]: Start difference. First operand 322 states and 503 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:27,512 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 [] [2022-03-17 23:42:29,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:30,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:32,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:33,029 INFO L93 Difference]: Finished difference Result 675 states and 1058 transitions. [2022-03-17 23:42:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-03-17 23:42:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:33,030 INFO L225 Difference]: With dead ends: 675 [2022-03-17 23:42:33,030 INFO L226 Difference]: Without dead ends: 379 [2022-03-17 23:42:33,031 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:33,031 INFO L912 BasicCegarLoop]: 263 mSDtfsCounter, 38 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:33,032 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 655 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 482 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-03-17 23:42:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-03-17 23:42:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 346. [2022-03-17 23:42:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5747800586510263) internal successors, (537), 341 states have internal predecessors, (537), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 541 transitions. [2022-03-17 23:42:33,037 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 541 transitions. Word has length 118 [2022-03-17 23:42:33,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:33,037 INFO L478 AbstractCegarLoop]: Abstraction has 346 states and 541 transitions. [2022-03-17 23:42:33,038 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 541 transitions. [2022-03-17 23:42:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-03-17 23:42:33,038 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:33,038 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:33,039 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-17 23:42:33,039 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:33,039 INFO L85 PathProgramCache]: Analyzing trace with hash 638819263, now seen corresponding path program 1 times [2022-03-17 23:42:33,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:33,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490961440] [2022-03-17 23:42:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:33,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-03-17 23:42:33,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:33,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490961440] [2022-03-17 23:42:33,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490961440] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:33,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:33,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:33,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961808050] [2022-03-17 23:42:33,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:33,127 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:33,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:33,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:33,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:33,127 INFO L87 Difference]: Start difference. First operand 346 states and 541 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:34,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:36,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:38,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:40,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:40,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:40,833 INFO L93 Difference]: Finished difference Result 750 states and 1174 transitions. [2022-03-17 23:42:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:40,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-03-17 23:42:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:40,835 INFO L225 Difference]: With dead ends: 750 [2022-03-17 23:42:40,835 INFO L226 Difference]: Without dead ends: 430 [2022-03-17 23:42:40,836 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:40,836 INFO L912 BasicCegarLoop]: 134 mSDtfsCounter, 161 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:40,836 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 392 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 489 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-03-17 23:42:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-03-17 23:42:40,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 346. [2022-03-17 23:42:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5571847507331378) internal successors, (531), 341 states have internal predecessors, (531), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 535 transitions. [2022-03-17 23:42:40,842 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 535 transitions. Word has length 123 [2022-03-17 23:42:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:40,842 INFO L478 AbstractCegarLoop]: Abstraction has 346 states and 535 transitions. [2022-03-17 23:42:40,842 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 535 transitions. [2022-03-17 23:42:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-17 23:42:40,843 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:40,843 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:40,843 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-17 23:42:40,843 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:40,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash -194713814, now seen corresponding path program 1 times [2022-03-17 23:42:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:40,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098723664] [2022-03-17 23:42:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:42:40,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:40,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098723664] [2022-03-17 23:42:40,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098723664] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:40,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:40,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:40,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384116274] [2022-03-17 23:42:40,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:40,936 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:40,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:40,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:40,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:40,937 INFO L87 Difference]: Start difference. First operand 346 states and 535 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:42,775 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 [] [2022-03-17 23:42:44,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:47,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:48,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:48,073 INFO L93 Difference]: Finished difference Result 790 states and 1230 transitions. [2022-03-17 23:42:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:48,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 124 [2022-03-17 23:42:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:48,074 INFO L225 Difference]: With dead ends: 790 [2022-03-17 23:42:48,074 INFO L226 Difference]: Without dead ends: 470 [2022-03-17 23:42:48,075 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:48,075 INFO L912 BasicCegarLoop]: 134 mSDtfsCounter, 134 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:48,076 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 392 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 490 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-03-17 23:42:48,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-03-17 23:42:48,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 383. [2022-03-17 23:42:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 378 states have (on average 1.5687830687830688) internal successors, (593), 378 states have internal predecessors, (593), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 597 transitions. [2022-03-17 23:42:48,081 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 597 transitions. Word has length 124 [2022-03-17 23:42:48,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:48,082 INFO L478 AbstractCegarLoop]: Abstraction has 383 states and 597 transitions. [2022-03-17 23:42:48,082 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 597 transitions. [2022-03-17 23:42:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-03-17 23:42:48,083 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:48,083 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:48,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-17 23:42:48,083 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:48,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:48,083 INFO L85 PathProgramCache]: Analyzing trace with hash 615512470, now seen corresponding path program 1 times [2022-03-17 23:42:48,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:48,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430425623] [2022-03-17 23:42:48,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:48,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:42:48,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:48,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430425623] [2022-03-17 23:42:48,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430425623] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:48,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:48,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:48,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660622401] [2022-03-17 23:42:48,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:48,170 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:48,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:48,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:48,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:48,171 INFO L87 Difference]: Start difference. First operand 383 states and 597 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:49,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:51,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:53,529 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 [] [2022-03-17 23:42:53,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:53,924 INFO L93 Difference]: Finished difference Result 802 states and 1255 transitions. [2022-03-17 23:42:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:53,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 125 [2022-03-17 23:42:53,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:53,925 INFO L225 Difference]: With dead ends: 802 [2022-03-17 23:42:53,925 INFO L226 Difference]: Without dead ends: 445 [2022-03-17 23:42:53,926 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:53,926 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 86 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:53,927 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 523 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-03-17 23:42:53,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-03-17 23:42:53,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 389. [2022-03-17 23:42:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 384 states have (on average 1.5703125) internal successors, (603), 384 states have internal predecessors, (603), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 607 transitions. [2022-03-17 23:42:53,932 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 607 transitions. Word has length 125 [2022-03-17 23:42:53,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:53,933 INFO L478 AbstractCegarLoop]: Abstraction has 389 states and 607 transitions. [2022-03-17 23:42:53,933 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 607 transitions. [2022-03-17 23:42:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-17 23:42:53,934 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:53,934 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:53,934 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-17 23:42:53,934 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:53,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:53,934 INFO L85 PathProgramCache]: Analyzing trace with hash 19132518, now seen corresponding path program 1 times [2022-03-17 23:42:53,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:53,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373244644] [2022-03-17 23:42:53,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:53,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:42:54,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:54,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373244644] [2022-03-17 23:42:54,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373244644] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:54,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:54,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:54,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196973330] [2022-03-17 23:42:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:54,035 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:54,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:54,036 INFO L87 Difference]: Start difference. First operand 389 states and 607 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:56,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:59,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:42:59,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:42:59,576 INFO L93 Difference]: Finished difference Result 835 states and 1305 transitions. [2022-03-17 23:42:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:42:59,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-03-17 23:42:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:42:59,577 INFO L225 Difference]: With dead ends: 835 [2022-03-17 23:42:59,578 INFO L226 Difference]: Without dead ends: 472 [2022-03-17 23:42:59,578 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:42:59,579 INFO L912 BasicCegarLoop]: 135 mSDtfsCounter, 153 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:42:59,579 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 394 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-03-17 23:42:59,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-03-17 23:42:59,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 389. [2022-03-17 23:42:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 384 states have (on average 1.5572916666666667) internal successors, (598), 384 states have internal predecessors, (598), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 602 transitions. [2022-03-17 23:42:59,585 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 602 transitions. Word has length 132 [2022-03-17 23:42:59,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:42:59,585 INFO L478 AbstractCegarLoop]: Abstraction has 389 states and 602 transitions. [2022-03-17 23:42:59,585 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:42:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 602 transitions. [2022-03-17 23:42:59,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-17 23:42:59,586 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:42:59,586 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:42:59,586 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-17 23:42:59,586 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:42:59,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:42:59,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1069531404, now seen corresponding path program 1 times [2022-03-17 23:42:59,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:42:59,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682443657] [2022-03-17 23:42:59,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:42:59,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:42:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:42:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:42:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:42:59,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:42:59,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682443657] [2022-03-17 23:42:59,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682443657] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:42:59,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:42:59,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:42:59,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410949575] [2022-03-17 23:42:59,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:42:59,675 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:42:59,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:42:59,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:42:59,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:42:59,675 INFO L87 Difference]: Start difference. First operand 389 states and 602 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:01,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:03,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:05,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:07,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:07,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:07,626 INFO L93 Difference]: Finished difference Result 875 states and 1361 transitions. [2022-03-17 23:43:07,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:07,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-03-17 23:43:07,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:07,628 INFO L225 Difference]: With dead ends: 875 [2022-03-17 23:43:07,628 INFO L226 Difference]: Without dead ends: 512 [2022-03-17 23:43:07,629 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:07,629 INFO L912 BasicCegarLoop]: 147 mSDtfsCounter, 126 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 58 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:07,629 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 419 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 500 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-03-17 23:43:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-03-17 23:43:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 432. [2022-03-17 23:43:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 427 states have (on average 1.5667447306791569) internal successors, (669), 427 states have internal predecessors, (669), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 673 transitions. [2022-03-17 23:43:07,635 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 673 transitions. Word has length 132 [2022-03-17 23:43:07,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:07,636 INFO L478 AbstractCegarLoop]: Abstraction has 432 states and 673 transitions. [2022-03-17 23:43:07,636 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:07,636 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 673 transitions. [2022-03-17 23:43:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-17 23:43:07,637 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:07,637 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:07,637 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-17 23:43:07,637 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:07,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:07,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1691460405, now seen corresponding path program 1 times [2022-03-17 23:43:07,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:07,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96800512] [2022-03-17 23:43:07,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:07,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:43:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:07,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96800512] [2022-03-17 23:43:07,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96800512] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:07,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:07,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:07,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170793430] [2022-03-17 23:43:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:07,727 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:07,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:07,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:07,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:07,728 INFO L87 Difference]: Start difference. First operand 432 states and 673 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:10,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:12,066 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 [] [2022-03-17 23:43:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:13,295 INFO L93 Difference]: Finished difference Result 921 states and 1437 transitions. [2022-03-17 23:43:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:13,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-03-17 23:43:13,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:13,297 INFO L225 Difference]: With dead ends: 921 [2022-03-17 23:43:13,297 INFO L226 Difference]: Without dead ends: 515 [2022-03-17 23:43:13,297 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:13,298 INFO L912 BasicCegarLoop]: 135 mSDtfsCounter, 158 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:13,298 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 394 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-03-17 23:43:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-03-17 23:43:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 432. [2022-03-17 23:43:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 427 states have (on average 1.550351288056206) internal successors, (662), 427 states have internal predecessors, (662), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 666 transitions. [2022-03-17 23:43:13,304 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 666 transitions. Word has length 133 [2022-03-17 23:43:13,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:13,305 INFO L478 AbstractCegarLoop]: Abstraction has 432 states and 666 transitions. [2022-03-17 23:43:13,305 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 666 transitions. [2022-03-17 23:43:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-17 23:43:13,306 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:13,306 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:13,306 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-17 23:43:13,306 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:13,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:13,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1213881734, now seen corresponding path program 1 times [2022-03-17 23:43:13,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:13,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546634952] [2022-03-17 23:43:13,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:13,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-17 23:43:13,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:13,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546634952] [2022-03-17 23:43:13,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546634952] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:13,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:13,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:13,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220598434] [2022-03-17 23:43:13,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:13,392 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:13,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:13,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:13,393 INFO L87 Difference]: Start difference. First operand 432 states and 666 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:15,633 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 [] [2022-03-17 23:43:17,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:18,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:19,193 INFO L93 Difference]: Finished difference Result 921 states and 1423 transitions. [2022-03-17 23:43:19,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:19,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-03-17 23:43:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:19,195 INFO L225 Difference]: With dead ends: 921 [2022-03-17 23:43:19,195 INFO L226 Difference]: Without dead ends: 513 [2022-03-17 23:43:19,195 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:19,196 INFO L912 BasicCegarLoop]: 147 mSDtfsCounter, 126 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:19,196 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 418 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 500 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-03-17 23:43:19,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-03-17 23:43:19,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 434. [2022-03-17 23:43:19,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5501165501165501) internal successors, (665), 429 states have internal predecessors, (665), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 669 transitions. [2022-03-17 23:43:19,202 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 669 transitions. Word has length 133 [2022-03-17 23:43:19,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:19,202 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 669 transitions. [2022-03-17 23:43:19,202 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:19,202 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 669 transitions. [2022-03-17 23:43:19,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-03-17 23:43:19,203 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:19,203 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:19,203 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-17 23:43:19,204 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:19,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:19,204 INFO L85 PathProgramCache]: Analyzing trace with hash 948427854, now seen corresponding path program 1 times [2022-03-17 23:43:19,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:19,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584557349] [2022-03-17 23:43:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:19,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:43:19,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:19,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584557349] [2022-03-17 23:43:19,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584557349] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:19,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:19,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:19,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614019166] [2022-03-17 23:43:19,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:19,314 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:19,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:19,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:19,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:19,315 INFO L87 Difference]: Start difference. First operand 434 states and 669 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:20,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:23,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:24,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:24,113 INFO L93 Difference]: Finished difference Result 880 states and 1362 transitions. [2022-03-17 23:43:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:24,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 136 [2022-03-17 23:43:24,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:24,115 INFO L225 Difference]: With dead ends: 880 [2022-03-17 23:43:24,115 INFO L226 Difference]: Without dead ends: 472 [2022-03-17 23:43:24,116 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:24,116 INFO L912 BasicCegarLoop]: 207 mSDtfsCounter, 88 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:24,116 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 543 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-03-17 23:43:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-03-17 23:43:24,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 434. [2022-03-17 23:43:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5477855477855478) internal successors, (664), 429 states have internal predecessors, (664), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 668 transitions. [2022-03-17 23:43:24,122 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 668 transitions. Word has length 136 [2022-03-17 23:43:24,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:24,123 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 668 transitions. [2022-03-17 23:43:24,123 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 668 transitions. [2022-03-17 23:43:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-03-17 23:43:24,124 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:24,124 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:24,124 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-17 23:43:24,124 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:24,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:24,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1696402643, now seen corresponding path program 1 times [2022-03-17 23:43:24,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:24,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499856825] [2022-03-17 23:43:24,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:24,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:43:24,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:24,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499856825] [2022-03-17 23:43:24,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499856825] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:24,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:24,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:24,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501284493] [2022-03-17 23:43:24,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:24,248 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:24,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:24,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:24,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:24,249 INFO L87 Difference]: Start difference. First operand 434 states and 668 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:25,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:28,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:28,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:28,842 INFO L93 Difference]: Finished difference Result 854 states and 1323 transitions. [2022-03-17 23:43:28,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:28,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 136 [2022-03-17 23:43:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:28,844 INFO L225 Difference]: With dead ends: 854 [2022-03-17 23:43:28,844 INFO L226 Difference]: Without dead ends: 446 [2022-03-17 23:43:28,845 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:28,845 INFO L912 BasicCegarLoop]: 254 mSDtfsCounter, 36 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:28,845 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 637 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 440 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-03-17 23:43:28,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-03-17 23:43:28,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 434. [2022-03-17 23:43:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.5454545454545454) internal successors, (663), 429 states have internal predecessors, (663), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 667 transitions. [2022-03-17 23:43:28,857 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 667 transitions. Word has length 136 [2022-03-17 23:43:28,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:28,858 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 667 transitions. [2022-03-17 23:43:28,858 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 667 transitions. [2022-03-17 23:43:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-03-17 23:43:28,859 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:28,859 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:28,859 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-17 23:43:28,859 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:28,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:28,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1332153182, now seen corresponding path program 1 times [2022-03-17 23:43:28,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:28,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457476209] [2022-03-17 23:43:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:43:28,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:28,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457476209] [2022-03-17 23:43:28,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457476209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:28,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:28,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:28,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621639534] [2022-03-17 23:43:28,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:28,944 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:28,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:28,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:28,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:28,945 INFO L87 Difference]: Start difference. First operand 434 states and 667 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:31,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:33,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:35,457 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 [] [2022-03-17 23:43:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:35,847 INFO L93 Difference]: Finished difference Result 880 states and 1358 transitions. [2022-03-17 23:43:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:35,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 140 [2022-03-17 23:43:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:35,848 INFO L225 Difference]: With dead ends: 880 [2022-03-17 23:43:35,848 INFO L226 Difference]: Without dead ends: 472 [2022-03-17 23:43:35,849 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:35,849 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 78 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:35,850 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 559 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 505 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-03-17 23:43:35,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-03-17 23:43:35,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 434. [2022-03-17 23:43:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.543123543123543) internal successors, (662), 429 states have internal predecessors, (662), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 666 transitions. [2022-03-17 23:43:35,856 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 666 transitions. Word has length 140 [2022-03-17 23:43:35,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:35,856 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 666 transitions. [2022-03-17 23:43:35,856 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 666 transitions. [2022-03-17 23:43:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-03-17 23:43:35,857 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:35,857 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:35,857 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-17 23:43:35,858 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:35,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1317903037, now seen corresponding path program 1 times [2022-03-17 23:43:35,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:35,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100491189] [2022-03-17 23:43:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:35,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-17 23:43:35,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:35,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100491189] [2022-03-17 23:43:35,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100491189] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:35,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:35,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:35,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225536167] [2022-03-17 23:43:35,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:35,971 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:35,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:35,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:35,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:35,971 INFO L87 Difference]: Start difference. First operand 434 states and 666 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:37,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:39,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:41,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:43,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:43,749 INFO L93 Difference]: Finished difference Result 999 states and 1545 transitions. [2022-03-17 23:43:43,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:43,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 140 [2022-03-17 23:43:43,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:43,751 INFO L225 Difference]: With dead ends: 999 [2022-03-17 23:43:43,751 INFO L226 Difference]: Without dead ends: 591 [2022-03-17 23:43:43,751 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:43,752 INFO L912 BasicCegarLoop]: 154 mSDtfsCounter, 134 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 47 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:43,752 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 432 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 491 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2022-03-17 23:43:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-03-17 23:43:43,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 498. [2022-03-17 23:43:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5456389452332657) internal successors, (762), 493 states have internal predecessors, (762), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 766 transitions. [2022-03-17 23:43:43,758 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 766 transitions. Word has length 140 [2022-03-17 23:43:43,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:43,758 INFO L478 AbstractCegarLoop]: Abstraction has 498 states and 766 transitions. [2022-03-17 23:43:43,758 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 766 transitions. [2022-03-17 23:43:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-17 23:43:43,760 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:43,760 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:43,760 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-17 23:43:43,760 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:43,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:43,760 INFO L85 PathProgramCache]: Analyzing trace with hash -33221834, now seen corresponding path program 1 times [2022-03-17 23:43:43,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:43,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096160875] [2022-03-17 23:43:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:43,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:43,845 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:43:43,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:43,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096160875] [2022-03-17 23:43:43,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096160875] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:43,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:43,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:43,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179421650] [2022-03-17 23:43:43,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:43,846 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:43,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:43,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:43,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:43,846 INFO L87 Difference]: Start difference. First operand 498 states and 766 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:45,545 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 [] [2022-03-17 23:43:47,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:49,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:50,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:50,161 INFO L93 Difference]: Finished difference Result 1008 states and 1556 transitions. [2022-03-17 23:43:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:50,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2022-03-17 23:43:50,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:50,163 INFO L225 Difference]: With dead ends: 1008 [2022-03-17 23:43:50,163 INFO L226 Difference]: Without dead ends: 536 [2022-03-17 23:43:50,164 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:50,164 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 71 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:50,164 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 559 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 506 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-03-17 23:43:50,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2022-03-17 23:43:50,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 498. [2022-03-17 23:43:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5436105476673427) internal successors, (761), 493 states have internal predecessors, (761), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 765 transitions. [2022-03-17 23:43:50,171 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 765 transitions. Word has length 145 [2022-03-17 23:43:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:50,171 INFO L478 AbstractCegarLoop]: Abstraction has 498 states and 765 transitions. [2022-03-17 23:43:50,171 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 765 transitions. [2022-03-17 23:43:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-03-17 23:43:50,172 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:50,172 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:50,172 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-17 23:43:50,172 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:50,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:50,173 INFO L85 PathProgramCache]: Analyzing trace with hash 946421911, now seen corresponding path program 1 times [2022-03-17 23:43:50,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:50,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735931992] [2022-03-17 23:43:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:50,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:43:50,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:50,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735931992] [2022-03-17 23:43:50,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735931992] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:50,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:50,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:43:50,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559027711] [2022-03-17 23:43:50,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:50,265 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:43:50,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:50,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:43:50,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:43:50,265 INFO L87 Difference]: Start difference. First operand 498 states and 765 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:51,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:53,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:56,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:43:56,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:43:56,572 INFO L93 Difference]: Finished difference Result 1049 states and 1614 transitions. [2022-03-17 23:43:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:43:56,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-03-17 23:43:56,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:43:56,574 INFO L225 Difference]: With dead ends: 1049 [2022-03-17 23:43:56,574 INFO L226 Difference]: Without dead ends: 577 [2022-03-17 23:43:56,575 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:43:56,575 INFO L912 BasicCegarLoop]: 136 mSDtfsCounter, 136 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:43:56,575 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 485 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-03-17 23:43:56,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-03-17 23:43:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 498. [2022-03-17 23:43:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 493 states have (on average 1.5294117647058822) internal successors, (754), 493 states have internal predecessors, (754), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:56,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 758 transitions. [2022-03-17 23:43:56,581 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 758 transitions. Word has length 146 [2022-03-17 23:43:56,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:43:56,581 INFO L478 AbstractCegarLoop]: Abstraction has 498 states and 758 transitions. [2022-03-17 23:43:56,581 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 758 transitions. [2022-03-17 23:43:56,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-17 23:43:56,582 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:43:56,583 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:43:56,583 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-17 23:43:56,583 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:43:56,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:43:56,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1337879975, now seen corresponding path program 1 times [2022-03-17 23:43:56,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:43:56,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450186250] [2022-03-17 23:43:56,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:43:56,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:43:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:43:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:43:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-17 23:43:56,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:43:56,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450186250] [2022-03-17 23:43:56,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450186250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:43:56,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:43:56,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:43:56,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843871821] [2022-03-17 23:43:56,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:43:56,685 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:43:56,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:43:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:43:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:43:56,686 INFO L87 Difference]: Start difference. First operand 498 states and 758 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:43:59,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:01,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:01,548 INFO L93 Difference]: Finished difference Result 1437 states and 2208 transitions. [2022-03-17 23:44:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:44:01,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 147 [2022-03-17 23:44:01,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:01,551 INFO L225 Difference]: With dead ends: 1437 [2022-03-17 23:44:01,551 INFO L226 Difference]: Without dead ends: 965 [2022-03-17 23:44:01,552 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:44:01,552 INFO L912 BasicCegarLoop]: 257 mSDtfsCounter, 147 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:01,552 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 331 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-03-17 23:44:01,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-03-17 23:44:01,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2022-03-17 23:44:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 958 states have (on average 1.5208768267223383) internal successors, (1457), 958 states have internal predecessors, (1457), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1461 transitions. [2022-03-17 23:44:01,563 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1461 transitions. Word has length 147 [2022-03-17 23:44:01,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:01,563 INFO L478 AbstractCegarLoop]: Abstraction has 963 states and 1461 transitions. [2022-03-17 23:44:01,563 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1461 transitions. [2022-03-17 23:44:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-17 23:44:01,564 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:01,565 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:01,565 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-17 23:44:01,565 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:01,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1021427034, now seen corresponding path program 1 times [2022-03-17 23:44:01,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:01,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115235112] [2022-03-17 23:44:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-03-17 23:44:01,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:01,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115235112] [2022-03-17 23:44:01,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115235112] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:01,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:01,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:01,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147289835] [2022-03-17 23:44:01,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:01,651 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:01,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:01,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:01,652 INFO L87 Difference]: Start difference. First operand 963 states and 1461 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:02,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:04,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:07,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:07,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:07,763 INFO L93 Difference]: Finished difference Result 1999 states and 3034 transitions. [2022-03-17 23:44:07,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:07,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 147 [2022-03-17 23:44:07,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:07,766 INFO L225 Difference]: With dead ends: 1999 [2022-03-17 23:44:07,766 INFO L226 Difference]: Without dead ends: 1062 [2022-03-17 23:44:07,767 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:07,768 INFO L912 BasicCegarLoop]: 248 mSDtfsCounter, 38 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:07,768 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 625 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 472 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-03-17 23:44:07,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-03-17 23:44:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1015. [2022-03-17 23:44:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.5198019801980198) internal successors, (1535), 1010 states have internal predecessors, (1535), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1539 transitions. [2022-03-17 23:44:07,786 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1539 transitions. Word has length 147 [2022-03-17 23:44:07,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:07,786 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1539 transitions. [2022-03-17 23:44:07,786 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1539 transitions. [2022-03-17 23:44:07,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-03-17 23:44:07,788 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:07,788 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:07,788 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-17 23:44:07,788 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:07,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:07,788 INFO L85 PathProgramCache]: Analyzing trace with hash 704522437, now seen corresponding path program 1 times [2022-03-17 23:44:07,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:07,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387943800] [2022-03-17 23:44:07,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:44:07,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:07,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387943800] [2022-03-17 23:44:07,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387943800] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:07,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:07,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:07,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065573146] [2022-03-17 23:44:07,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:07,920 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:07,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:07,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:07,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:07,920 INFO L87 Difference]: Start difference. First operand 1015 states and 1539 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:10,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:11,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:11,810 INFO L93 Difference]: Finished difference Result 2075 states and 3145 transitions. [2022-03-17 23:44:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:11,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 149 [2022-03-17 23:44:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:11,813 INFO L225 Difference]: With dead ends: 2075 [2022-03-17 23:44:11,813 INFO L226 Difference]: Without dead ends: 1086 [2022-03-17 23:44:11,814 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:11,815 INFO L912 BasicCegarLoop]: 215 mSDtfsCounter, 70 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:11,815 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 561 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-03-17 23:44:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-03-17 23:44:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1015. [2022-03-17 23:44:11,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.5178217821782178) internal successors, (1533), 1010 states have internal predecessors, (1533), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1537 transitions. [2022-03-17 23:44:11,827 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1537 transitions. Word has length 149 [2022-03-17 23:44:11,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:11,827 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1537 transitions. [2022-03-17 23:44:11,827 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1537 transitions. [2022-03-17 23:44:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-03-17 23:44:11,829 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:11,829 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:11,829 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-17 23:44:11,829 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:11,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:11,829 INFO L85 PathProgramCache]: Analyzing trace with hash -404859036, now seen corresponding path program 1 times [2022-03-17 23:44:11,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:11,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738627737] [2022-03-17 23:44:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:11,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-17 23:44:11,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:11,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738627737] [2022-03-17 23:44:11,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738627737] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:11,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:11,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:11,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840027125] [2022-03-17 23:44:11,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:11,923 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:11,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:11,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:11,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:11,925 INFO L87 Difference]: Start difference. First operand 1015 states and 1537 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:13,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:15,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:16,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:18,072 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 [] [2022-03-17 23:44:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:18,511 INFO L93 Difference]: Finished difference Result 2157 states and 3252 transitions. [2022-03-17 23:44:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:18,511 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 [2022-03-17 23:44:18,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:18,514 INFO L225 Difference]: With dead ends: 2157 [2022-03-17 23:44:18,514 INFO L226 Difference]: Without dead ends: 1168 [2022-03-17 23:44:18,515 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:18,516 INFO L912 BasicCegarLoop]: 136 mSDtfsCounter, 137 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:18,516 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-03-17 23:44:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-03-17 23:44:18,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1015. [2022-03-17 23:44:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.503960396039604) internal successors, (1519), 1010 states have internal predecessors, (1519), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1523 transitions. [2022-03-17 23:44:18,529 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1523 transitions. Word has length 150 [2022-03-17 23:44:18,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:18,529 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1523 transitions. [2022-03-17 23:44:18,529 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1523 transitions. [2022-03-17 23:44:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-17 23:44:18,531 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:18,531 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:18,531 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-17 23:44:18,531 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1090400704, now seen corresponding path program 1 times [2022-03-17 23:44:18,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:18,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168153526] [2022-03-17 23:44:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:18,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-17 23:44:18,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:18,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168153526] [2022-03-17 23:44:18,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168153526] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:18,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:18,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:18,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939057268] [2022-03-17 23:44:18,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:18,624 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:18,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:18,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:18,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:18,625 INFO L87 Difference]: Start difference. First operand 1015 states and 1523 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:21,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:23,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:24,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:24,038 INFO L93 Difference]: Finished difference Result 2059 states and 3087 transitions. [2022-03-17 23:44:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:24,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-03-17 23:44:24,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:24,041 INFO L225 Difference]: With dead ends: 2059 [2022-03-17 23:44:24,041 INFO L226 Difference]: Without dead ends: 1070 [2022-03-17 23:44:24,042 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:24,042 INFO L912 BasicCegarLoop]: 224 mSDtfsCounter, 61 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:24,042 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 579 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 485 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-03-17 23:44:24,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2022-03-17 23:44:24,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1015. [2022-03-17 23:44:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.501980198019802) internal successors, (1517), 1010 states have internal predecessors, (1517), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1521 transitions. [2022-03-17 23:44:24,055 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1521 transitions. Word has length 153 [2022-03-17 23:44:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:24,055 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1521 transitions. [2022-03-17 23:44:24,055 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1521 transitions. [2022-03-17 23:44:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-03-17 23:44:24,056 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:24,056 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:24,057 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-17 23:44:24,057 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:24,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:24,057 INFO L85 PathProgramCache]: Analyzing trace with hash 97133601, now seen corresponding path program 1 times [2022-03-17 23:44:24,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:24,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998735199] [2022-03-17 23:44:24,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:24,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:24,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-17 23:44:24,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:24,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998735199] [2022-03-17 23:44:24,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998735199] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:24,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:24,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154338847] [2022-03-17 23:44:24,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:24,150 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:24,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:24,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:24,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:24,150 INFO L87 Difference]: Start difference. First operand 1015 states and 1521 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:25,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:26,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:28,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:31,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:31,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:31,435 INFO L93 Difference]: Finished difference Result 2157 states and 3220 transitions. [2022-03-17 23:44:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:31,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 154 [2022-03-17 23:44:31,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:31,438 INFO L225 Difference]: With dead ends: 2157 [2022-03-17 23:44:31,438 INFO L226 Difference]: Without dead ends: 1168 [2022-03-17 23:44:31,439 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:31,440 INFO L912 BasicCegarLoop]: 136 mSDtfsCounter, 138 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:31,440 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 396 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 485 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-03-17 23:44:31,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-03-17 23:44:31,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1015. [2022-03-17 23:44:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.488118811881188) internal successors, (1503), 1010 states have internal predecessors, (1503), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1507 transitions. [2022-03-17 23:44:31,452 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1507 transitions. Word has length 154 [2022-03-17 23:44:31,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:31,453 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1507 transitions. [2022-03-17 23:44:31,453 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:31,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1507 transitions. [2022-03-17 23:44:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-03-17 23:44:31,454 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:31,454 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:31,455 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-17 23:44:31,455 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:31,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:31,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1214702892, now seen corresponding path program 1 times [2022-03-17 23:44:31,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:31,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787774103] [2022-03-17 23:44:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-17 23:44:31,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:31,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787774103] [2022-03-17 23:44:31,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787774103] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:31,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:31,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:31,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727590938] [2022-03-17 23:44:31,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:31,545 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:31,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:31,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:31,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:31,545 INFO L87 Difference]: Start difference. First operand 1015 states and 1507 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:33,242 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 [] [2022-03-17 23:44:35,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:37,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:38,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:38,646 INFO L93 Difference]: Finished difference Result 2055 states and 3049 transitions. [2022-03-17 23:44:38,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:38,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 157 [2022-03-17 23:44:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:38,649 INFO L225 Difference]: With dead ends: 2055 [2022-03-17 23:44:38,649 INFO L226 Difference]: Without dead ends: 1066 [2022-03-17 23:44:38,650 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:38,651 INFO L912 BasicCegarLoop]: 227 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:38,651 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 585 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 479 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-03-17 23:44:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-03-17 23:44:38,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1015. [2022-03-17 23:44:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1010 states have (on average 1.4861386138613861) internal successors, (1501), 1010 states have internal predecessors, (1501), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1505 transitions. [2022-03-17 23:44:38,663 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1505 transitions. Word has length 157 [2022-03-17 23:44:38,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:38,663 INFO L478 AbstractCegarLoop]: Abstraction has 1015 states and 1505 transitions. [2022-03-17 23:44:38,663 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1505 transitions. [2022-03-17 23:44:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-03-17 23:44:38,665 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:38,665 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:38,665 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-17 23:44:38,665 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:38,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:38,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1157233019, now seen corresponding path program 1 times [2022-03-17 23:44:38,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:38,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990653863] [2022-03-17 23:44:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:38,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-03-17 23:44:38,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:38,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990653863] [2022-03-17 23:44:38,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990653863] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:38,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:38,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:38,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481943941] [2022-03-17 23:44:38,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:38,755 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:38,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:38,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:38,756 INFO L87 Difference]: Start difference. First operand 1015 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:40,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:41,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:43,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:44,356 INFO L93 Difference]: Finished difference Result 2241 states and 3316 transitions. [2022-03-17 23:44:44,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:44,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 157 [2022-03-17 23:44:44,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:44,359 INFO L225 Difference]: With dead ends: 2241 [2022-03-17 23:44:44,359 INFO L226 Difference]: Without dead ends: 1252 [2022-03-17 23:44:44,361 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:44,361 INFO L912 BasicCegarLoop]: 136 mSDtfsCounter, 129 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:44,361 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 396 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 487 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-03-17 23:44:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-03-17 23:44:44,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1085. [2022-03-17 23:44:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4805555555555556) internal successors, (1599), 1080 states have internal predecessors, (1599), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1603 transitions. [2022-03-17 23:44:44,374 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1603 transitions. Word has length 157 [2022-03-17 23:44:44,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:44,374 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1603 transitions. [2022-03-17 23:44:44,374 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1603 transitions. [2022-03-17 23:44:44,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-03-17 23:44:44,376 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:44,376 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:44,376 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-17 23:44:44,376 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:44,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:44,376 INFO L85 PathProgramCache]: Analyzing trace with hash 336781482, now seen corresponding path program 1 times [2022-03-17 23:44:44,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:44,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591579757] [2022-03-17 23:44:44,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:44,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-17 23:44:44,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:44,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591579757] [2022-03-17 23:44:44,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591579757] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:44,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:44,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:44,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560822117] [2022-03-17 23:44:44,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:44,462 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:44,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:44,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:44,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:44,463 INFO L87 Difference]: Start difference. First operand 1085 states and 1603 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:46,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:46,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:46,851 INFO L93 Difference]: Finished difference Result 2183 states and 3225 transitions. [2022-03-17 23:44:46,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:46,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-03-17 23:44:46,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:46,854 INFO L225 Difference]: With dead ends: 2183 [2022-03-17 23:44:46,854 INFO L226 Difference]: Without dead ends: 1124 [2022-03-17 23:44:46,855 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:46,855 INFO L912 BasicCegarLoop]: 229 mSDtfsCounter, 41 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:46,856 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 589 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-17 23:44:46,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-03-17 23:44:46,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1085. [2022-03-17 23:44:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4787037037037036) internal successors, (1597), 1080 states have internal predecessors, (1597), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1601 transitions. [2022-03-17 23:44:46,868 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1601 transitions. Word has length 158 [2022-03-17 23:44:46,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:46,868 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1601 transitions. [2022-03-17 23:44:46,869 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1601 transitions. [2022-03-17 23:44:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-03-17 23:44:46,870 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:46,870 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:46,870 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-17 23:44:46,870 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:46,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:46,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1144606736, now seen corresponding path program 1 times [2022-03-17 23:44:46,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:46,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716415286] [2022-03-17 23:44:46,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:46,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-03-17 23:44:46,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:46,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716415286] [2022-03-17 23:44:46,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716415286] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:46,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:46,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:46,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644505843] [2022-03-17 23:44:46,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:46,957 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:46,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:46,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:46,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:46,958 INFO L87 Difference]: Start difference. First operand 1085 states and 1601 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:48,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:52,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:52,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:52,586 INFO L93 Difference]: Finished difference Result 2177 states and 3214 transitions. [2022-03-17 23:44:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:52,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-03-17 23:44:52,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:52,589 INFO L225 Difference]: With dead ends: 2177 [2022-03-17 23:44:52,589 INFO L226 Difference]: Without dead ends: 1118 [2022-03-17 23:44:52,590 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:52,590 INFO L912 BasicCegarLoop]: 230 mSDtfsCounter, 35 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:52,591 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 591 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-03-17 23:44:52,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-03-17 23:44:52,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1085. [2022-03-17 23:44:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.4768518518518519) internal successors, (1595), 1080 states have internal predecessors, (1595), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1599 transitions. [2022-03-17 23:44:52,603 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1599 transitions. Word has length 158 [2022-03-17 23:44:52,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:52,603 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1599 transitions. [2022-03-17 23:44:52,603 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1599 transitions. [2022-03-17 23:44:52,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-03-17 23:44:52,605 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:52,605 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:44:52,605 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-17 23:44:52,605 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:52,606 INFO L85 PathProgramCache]: Analyzing trace with hash 79353004, now seen corresponding path program 1 times [2022-03-17 23:44:52,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:52,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038989005] [2022-03-17 23:44:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:52,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-17 23:44:52,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:52,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038989005] [2022-03-17 23:44:52,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038989005] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:52,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:52,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:44:52,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051175942] [2022-03-17 23:44:52,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:52,696 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:44:52,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:52,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:44:52,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:44:52,697 INFO L87 Difference]: Start difference. First operand 1085 states and 1599 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:55,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:57,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:44:59,349 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 [] [2022-03-17 23:44:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:44:59,683 INFO L93 Difference]: Finished difference Result 2171 states and 3204 transitions. [2022-03-17 23:44:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:44:59,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-03-17 23:44:59,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:44:59,686 INFO L225 Difference]: With dead ends: 2171 [2022-03-17 23:44:59,686 INFO L226 Difference]: Without dead ends: 1112 [2022-03-17 23:44:59,687 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:44:59,691 INFO L912 BasicCegarLoop]: 252 mSDtfsCounter, 41 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-03-17 23:44:59,691 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 633 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 448 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2022-03-17 23:44:59,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-03-17 23:44:59,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1085. [2022-03-17 23:44:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1080 states have (on average 1.475) internal successors, (1593), 1080 states have internal predecessors, (1593), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1597 transitions. [2022-03-17 23:44:59,714 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1597 transitions. Word has length 165 [2022-03-17 23:44:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:44:59,714 INFO L478 AbstractCegarLoop]: Abstraction has 1085 states and 1597 transitions. [2022-03-17 23:44:59,714 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:44:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1597 transitions. [2022-03-17 23:44:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-17 23:44:59,716 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:44:59,716 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-03-17 23:44:59,716 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-17 23:44:59,716 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:44:59,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:44:59,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1069512886, now seen corresponding path program 1 times [2022-03-17 23:44:59,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:44:59,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364948823] [2022-03-17 23:44:59,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:44:59,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:44:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:44:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:44:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-03-17 23:44:59,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:44:59,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364948823] [2022-03-17 23:44:59,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364948823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:44:59,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:44:59,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:44:59,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804499296] [2022-03-17 23:44:59,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:44:59,798 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:44:59,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:44:59,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:44:59,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:44:59,798 INFO L87 Difference]: Start difference. First operand 1085 states and 1597 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:01,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:02,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:45:02,063 INFO L93 Difference]: Finished difference Result 2171 states and 3201 transitions. [2022-03-17 23:45:02,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:45:02,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 166 [2022-03-17 23:45:02,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:45:02,066 INFO L225 Difference]: With dead ends: 2171 [2022-03-17 23:45:02,066 INFO L226 Difference]: Without dead ends: 1112 [2022-03-17 23:45:02,067 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:45:02,067 INFO L912 BasicCegarLoop]: 239 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:45:02,068 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 433 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 279 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-03-17 23:45:02,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-03-17 23:45:02,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-03-17 23:45:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1107 states have (on average 1.4706413730803976) internal successors, (1628), 1107 states have internal predecessors, (1628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1632 transitions. [2022-03-17 23:45:02,081 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1632 transitions. Word has length 166 [2022-03-17 23:45:02,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:45:02,081 INFO L478 AbstractCegarLoop]: Abstraction has 1112 states and 1632 transitions. [2022-03-17 23:45:02,081 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1632 transitions. [2022-03-17 23:45:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-17 23:45:02,083 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:45:02,083 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-03-17 23:45:02,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-17 23:45:02,083 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:45:02,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:45:02,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1283275945, now seen corresponding path program 1 times [2022-03-17 23:45:02,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:45:02,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047791900] [2022-03-17 23:45:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:45:02,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:45:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:45:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-17 23:45:02,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:45:02,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047791900] [2022-03-17 23:45:02,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047791900] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:45:02,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:45:02,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:45:02,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224617762] [2022-03-17 23:45:02,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:45:02,160 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:45:02,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:45:02,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:45:02,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:45:02,161 INFO L87 Difference]: Start difference. First operand 1112 states and 1632 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:04,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:06,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:08,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:45:08,461 INFO L93 Difference]: Finished difference Result 2200 states and 3237 transitions. [2022-03-17 23:45:08,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:45:08,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 166 [2022-03-17 23:45:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:45:08,464 INFO L225 Difference]: With dead ends: 2200 [2022-03-17 23:45:08,464 INFO L226 Difference]: Without dead ends: 1114 [2022-03-17 23:45:08,465 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:45:08,465 INFO L912 BasicCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:45:08,465 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 412 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-03-17 23:45:08,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-03-17 23:45:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-03-17 23:45:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1109 states have (on average 1.4697926059513076) internal successors, (1630), 1109 states have internal predecessors, (1630), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1634 transitions. [2022-03-17 23:45:08,479 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1634 transitions. Word has length 166 [2022-03-17 23:45:08,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:45:08,479 INFO L478 AbstractCegarLoop]: Abstraction has 1114 states and 1634 transitions. [2022-03-17 23:45:08,479 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:08,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1634 transitions. [2022-03-17 23:45:08,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-03-17 23:45:08,480 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:45:08,480 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:45:08,481 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-17 23:45:08,481 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:45:08,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:45:08,481 INFO L85 PathProgramCache]: Analyzing trace with hash -282029373, now seen corresponding path program 1 times [2022-03-17 23:45:08,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:45:08,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799246617] [2022-03-17 23:45:08,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:45:08,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:45:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:45:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-03-17 23:45:08,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:45:08,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799246617] [2022-03-17 23:45:08,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799246617] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:45:08,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:45:08,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:45:08,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784651913] [2022-03-17 23:45:08,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:45:08,594 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:45:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:45:08,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:45:08,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:45:08,594 INFO L87 Difference]: Start difference. First operand 1114 states and 1634 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:10,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:11,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:13,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:14,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:45:14,782 INFO L93 Difference]: Finished difference Result 2298 states and 3367 transitions. [2022-03-17 23:45:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:45:14,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 168 [2022-03-17 23:45:14,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:45:14,784 INFO L225 Difference]: With dead ends: 2298 [2022-03-17 23:45:14,784 INFO L226 Difference]: Without dead ends: 1212 [2022-03-17 23:45:14,785 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:45:14,786 INFO L912 BasicCegarLoop]: 239 mSDtfsCounter, 78 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:45:14,786 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 606 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 558 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-03-17 23:45:14,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-03-17 23:45:14,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1114. [2022-03-17 23:45:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1109 states have (on average 1.4679891794409379) internal successors, (1628), 1109 states have internal predecessors, (1628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1632 transitions. [2022-03-17 23:45:14,800 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1632 transitions. Word has length 168 [2022-03-17 23:45:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:45:14,800 INFO L478 AbstractCegarLoop]: Abstraction has 1114 states and 1632 transitions. [2022-03-17 23:45:14,800 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1632 transitions. [2022-03-17 23:45:14,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-03-17 23:45:14,801 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:45:14,801 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:45:14,801 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-17 23:45:14,802 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:45:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:45:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1600727037, now seen corresponding path program 1 times [2022-03-17 23:45:14,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:45:14,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431206874] [2022-03-17 23:45:14,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:45:14,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:45:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:45:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-17 23:45:14,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:45:14,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431206874] [2022-03-17 23:45:14,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431206874] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:45:14,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:45:14,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:45:14,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976354899] [2022-03-17 23:45:14,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:45:14,902 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:45:14,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:45:14,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:45:14,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:45:14,903 INFO L87 Difference]: Start difference. First operand 1114 states and 1632 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:17,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:19,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:20,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:45:20,310 INFO L93 Difference]: Finished difference Result 2354 states and 3441 transitions. [2022-03-17 23:45:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:45:20,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 175 [2022-03-17 23:45:20,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:45:20,312 INFO L225 Difference]: With dead ends: 2354 [2022-03-17 23:45:20,312 INFO L226 Difference]: Without dead ends: 1268 [2022-03-17 23:45:20,314 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:45:20,314 INFO L912 BasicCegarLoop]: 142 mSDtfsCounter, 126 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:45:20,314 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 408 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 491 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-03-17 23:45:20,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-03-17 23:45:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1110. [2022-03-17 23:45:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4660633484162895) internal successors, (1620), 1105 states have internal predecessors, (1620), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1624 transitions. [2022-03-17 23:45:20,331 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1624 transitions. Word has length 175 [2022-03-17 23:45:20,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:45:20,332 INFO L478 AbstractCegarLoop]: Abstraction has 1110 states and 1624 transitions. [2022-03-17 23:45:20,332 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1624 transitions. [2022-03-17 23:45:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-03-17 23:45:20,333 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:45:20,333 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:45:20,333 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-17 23:45:20,333 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:45:20,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:45:20,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1707771303, now seen corresponding path program 1 times [2022-03-17 23:45:20,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:45:20,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982744221] [2022-03-17 23:45:20,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:45:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:45:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:45:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-03-17 23:45:20,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:45:20,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982744221] [2022-03-17 23:45:20,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982744221] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:45:20,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:45:20,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-17 23:45:20,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419191253] [2022-03-17 23:45:20,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:45:20,703 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 23:45:20,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:45:20,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 23:45:20,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:45:20,703 INFO L87 Difference]: Start difference. First operand 1110 states and 1624 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:21,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:23,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:25,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:27,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:29,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-17 23:45:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:45:30,317 INFO L93 Difference]: Finished difference Result 2213 states and 3240 transitions. [2022-03-17 23:45:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 23:45:30,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 177 [2022-03-17 23:45:30,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:45:30,320 INFO L225 Difference]: With dead ends: 2213 [2022-03-17 23:45:30,320 INFO L226 Difference]: Without dead ends: 1110 [2022-03-17 23:45:30,321 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-17 23:45:30,322 INFO L912 BasicCegarLoop]: 225 mSDtfsCounter, 7 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-03-17 23:45:30,322 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 922 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 458 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-03-17 23:45:30,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-03-17 23:45:30,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-03-17 23:45:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4651583710407239) internal successors, (1619), 1105 states have internal predecessors, (1619), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1623 transitions. [2022-03-17 23:45:30,336 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1623 transitions. Word has length 177 [2022-03-17 23:45:30,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:45:30,336 INFO L478 AbstractCegarLoop]: Abstraction has 1110 states and 1623 transitions. [2022-03-17 23:45:30,337 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-17 23:45:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1623 transitions. [2022-03-17 23:45:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-03-17 23:45:30,338 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:45:30,338 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:45:30,338 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-17 23:45:30,338 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:45:30,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:45:30,339 INFO L85 PathProgramCache]: Analyzing trace with hash -115415960, now seen corresponding path program 1 times [2022-03-17 23:45:30,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:45:30,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989926251] [2022-03-17 23:45:30,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:45:30,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:45:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:31,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:45:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 14 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-17 23:45:31,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:45:31,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989926251] [2022-03-17 23:45:31,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989926251] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:45:31,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630022586] [2022-03-17 23:45:31,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:45:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:45:31,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:45:31,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-17 23:45:31,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-17 23:45:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:45:31,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 207 conjunts are in the unsatisfiable core [2022-03-17 23:45:31,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:45:32,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,244 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53298 treesize of output 48162 [2022-03-17 23:45:32,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:32,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-17 23:45:33,473 INFO L190 IndexEqualityManager]: detected not equals via solver