/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.10.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 00:45:15,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 00:45:15,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 00:45:16,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 00:45:16,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 00:45:16,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 00:45:16,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 00:45:16,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 00:45:16,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 00:45:16,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 00:45:16,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 00:45:16,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 00:45:16,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 00:45:16,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 00:45:16,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 00:45:16,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 00:45:16,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 00:45:16,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 00:45:16,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 00:45:16,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 00:45:16,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 00:45:16,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 00:45:16,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 00:45:16,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 00:45:16,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 00:45:16,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 00:45:16,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 00:45:16,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 00:45:16,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 00:45:16,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 00:45:16,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 00:45:16,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 00:45:16,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 00:45:16,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 00:45:16,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 00:45:16,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 00:45:16,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 00:45:16,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 00:45:16,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 00:45:16,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 00:45:16,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 00:45:16,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-15 00:45:16,080 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 00:45:16,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 00:45:16,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 00:45:16,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 00:45:16,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 00:45:16,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 00:45:16,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 00:45:16,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 00:45:16,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 00:45:16,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 00:45:16,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 00:45:16,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 00:45:16,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 00:45:16,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 00:45:16,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 00:45:16,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 00:45:16,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 00:45:16,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 00:45:16,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:45:16,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 00:45:16,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 00:45:16,086 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-15 00:45:16,086 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 00:45:16,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 00:45:16,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 00:45:16,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 00:45:16,327 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 00:45:16,328 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 00:45:16,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.10.i.cil-2.c [2022-02-15 00:45:16,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c664fea5/a00e19d2f7e046e7873c6596c3d5f960/FLAG90451a430 [2022-02-15 00:45:16,875 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 00:45:16,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.10.i.cil-2.c [2022-02-15 00:45:16,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c664fea5/a00e19d2f7e046e7873c6596c3d5f960/FLAG90451a430 [2022-02-15 00:45:17,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c664fea5/a00e19d2f7e046e7873c6596c3d5f960 [2022-02-15 00:45:17,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 00:45:17,164 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 00:45:17,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 00:45:17,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 00:45:17,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 00:45:17,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76378287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17, skipping insertion in model container [2022-02-15 00:45:17,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 00:45:17,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 00:45:17,579 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.10.i.cil-2.c[73311,73324] [2022-02-15 00:45:17,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:45:17,609 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 00:45:17,709 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.10.i.cil-2.c[73311,73324] [2022-02-15 00:45:17,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:45:17,736 INFO L208 MainTranslator]: Completed translation [2022-02-15 00:45:17,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17 WrapperNode [2022-02-15 00:45:17,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 00:45:17,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 00:45:17,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 00:45:17,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 00:45:17,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 00:45:17,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 00:45:17,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 00:45:17,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 00:45:17,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (1/1) ... [2022-02-15 00:45:17,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:45:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:45:17,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 00:45:17,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 00:45:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 00:45:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 00:45:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 00:45:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-15 00:45:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-15 00:45:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 00:45:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-15 00:45:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 00:45:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 00:45:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 00:45:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 00:45:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 00:45:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 00:45:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 00:45:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 00:45:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 00:45:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 00:45:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 00:45:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 00:45:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 00:45:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 00:45:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 00:45:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 00:45:18,117 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 00:45:18,119 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 00:45:18,919 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 00:45:19,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-15 00:45:19,357 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-15 00:45:19,370 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 00:45:19,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 00:45:19,381 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 00:45:19,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:45:19 BoogieIcfgContainer [2022-02-15 00:45:19,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 00:45:19,385 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-15 00:45:19,385 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-15 00:45:19,386 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-15 00:45:19,389 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:45:19" (1/1) ... [2022-02-15 00:45:19,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:45:19 BasicIcfg [2022-02-15 00:45:19,453 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-15 00:45:19,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 00:45:19,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 00:45:19,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 00:45:19,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:45:17" (1/4) ... [2022-02-15 00:45:19,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e36ad51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:45:19, skipping insertion in model container [2022-02-15 00:45:19,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:17" (2/4) ... [2022-02-15 00:45:19,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e36ad51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:45:19, skipping insertion in model container [2022-02-15 00:45:19,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:45:19" (3/4) ... [2022-02-15 00:45:19,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e36ad51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:45:19, skipping insertion in model container [2022-02-15 00:45:19,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:45:19" (4/4) ... [2022-02-15 00:45:19,463 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.10.i.cil-2.cJordan [2022-02-15 00:45:19,469 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-15 00:45:19,469 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 00:45:19,515 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 00:45:19,524 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 00:45:19,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 00:45:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 147 states have (on average 1.7006802721088434) internal successors, (250), 148 states have internal predecessors, (250), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 00:45:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-15 00:45:19,566 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:19,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:45:19,568 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:19,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:19,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2072103194, now seen corresponding path program 1 times [2022-02-15 00:45:19,580 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:19,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475531960] [2022-02-15 00:45:19,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:19,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:45:20,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:20,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475531960] [2022-02-15 00:45:20,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475531960] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:20,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:20,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:20,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793926530] [2022-02-15 00:45:20,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:20,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:20,190 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:20,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:20,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:20,226 INFO L87 Difference]: Start difference. First operand has 155 states, 147 states have (on average 1.7006802721088434) internal successors, (250), 148 states have internal predecessors, (250), 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 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:23,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:45:23,427 INFO L93 Difference]: Finished difference Result 281 states and 465 transitions. [2022-02-15 00:45:23,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:45:23,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 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 48 [2022-02-15 00:45:23,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:45:23,439 INFO L225 Difference]: With dead ends: 281 [2022-02-15 00:45:23,439 INFO L226 Difference]: Without dead ends: 255 [2022-02-15 00:45:23,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:45:23,443 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 148 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:45:23,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 445 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 00:45:23,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-02-15 00:45:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 179. [2022-02-15 00:45:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 174 states have (on average 1.5977011494252873) internal successors, (278), 174 states have internal predecessors, (278), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 282 transitions. [2022-02-15 00:45:23,482 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 282 transitions. Word has length 48 [2022-02-15 00:45:23,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:45:23,483 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 282 transitions. [2022-02-15 00:45:23,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 282 transitions. [2022-02-15 00:45:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-15 00:45:23,485 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:23,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:45:23,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 00:45:23,486 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:23,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:23,486 INFO L85 PathProgramCache]: Analyzing trace with hash 190260629, now seen corresponding path program 1 times [2022-02-15 00:45:23,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:23,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149694098] [2022-02-15 00:45:23,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:23,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:45:23,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:23,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149694098] [2022-02-15 00:45:23,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149694098] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:23,699 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:23,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:23,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177435594] [2022-02-15 00:45:23,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:23,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:23,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:23,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:23,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:23,702 INFO L87 Difference]: Start difference. First operand 179 states and 282 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:27,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:28,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:45:28,527 INFO L93 Difference]: Finished difference Result 294 states and 459 transitions. [2022-02-15 00:45:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:45:28,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-02-15 00:45:28,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:45:28,530 INFO L225 Difference]: With dead ends: 294 [2022-02-15 00:45:28,530 INFO L226 Difference]: Without dead ends: 294 [2022-02-15 00:45:28,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:45:28,531 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 115 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:45:28,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 340 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-15 00:45:28,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-02-15 00:45:28,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 219. [2022-02-15 00:45:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 214 states have (on average 1.644859813084112) internal successors, (352), 214 states have internal predecessors, (352), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 356 transitions. [2022-02-15 00:45:28,546 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 356 transitions. Word has length 49 [2022-02-15 00:45:28,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:45:28,547 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 356 transitions. [2022-02-15 00:45:28,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 356 transitions. [2022-02-15 00:45:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 00:45:28,549 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:28,550 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:45:28,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 00:45:28,550 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:28,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:28,551 INFO L85 PathProgramCache]: Analyzing trace with hash -205061924, now seen corresponding path program 1 times [2022-02-15 00:45:28,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:28,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577507576] [2022-02-15 00:45:28,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:28,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-15 00:45:28,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:28,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577507576] [2022-02-15 00:45:28,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577507576] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:28,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:28,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:28,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143950701] [2022-02-15 00:45:28,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:28,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:28,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:28,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:28,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:28,707 INFO L87 Difference]: Start difference. First operand 219 states and 356 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:30,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:32,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:34,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:35,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:36,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:45:36,042 INFO L93 Difference]: Finished difference Result 247 states and 396 transitions. [2022-02-15 00:45:36,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:45:36,043 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 77 [2022-02-15 00:45:36,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:45:36,044 INFO L225 Difference]: With dead ends: 247 [2022-02-15 00:45:36,044 INFO L226 Difference]: Without dead ends: 247 [2022-02-15 00:45:36,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:45:36,045 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 22 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:45:36,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 463 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 359 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-02-15 00:45:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-02-15 00:45:36,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 230. [2022-02-15 00:45:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6488888888888888) internal successors, (371), 225 states have internal predecessors, (371), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 375 transitions. [2022-02-15 00:45:36,058 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 375 transitions. Word has length 77 [2022-02-15 00:45:36,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:45:36,059 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 375 transitions. [2022-02-15 00:45:36,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 375 transitions. [2022-02-15 00:45:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-15 00:45:36,067 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:36,067 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-02-15 00:45:36,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 00:45:36,068 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:36,068 INFO L85 PathProgramCache]: Analyzing trace with hash 432563086, now seen corresponding path program 1 times [2022-02-15 00:45:36,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:36,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414538076] [2022-02-15 00:45:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:45:36,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:36,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414538076] [2022-02-15 00:45:36,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414538076] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:36,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:36,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:36,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021616930] [2022-02-15 00:45:36,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:36,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:36,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:36,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:36,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:36,240 INFO L87 Difference]: Start difference. First operand 230 states and 375 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:39,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:40,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:45:40,833 INFO L93 Difference]: Finished difference Result 247 states and 395 transitions. [2022-02-15 00:45:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:45:40,834 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 90 [2022-02-15 00:45:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:45:40,835 INFO L225 Difference]: With dead ends: 247 [2022-02-15 00:45:40,835 INFO L226 Difference]: Without dead ends: 247 [2022-02-15 00:45:40,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:45:40,836 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 24 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:45:40,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 465 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 357 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-02-15 00:45:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-02-15 00:45:40,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 230. [2022-02-15 00:45:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6444444444444444) internal successors, (370), 225 states have internal predecessors, (370), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 374 transitions. [2022-02-15 00:45:40,847 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 374 transitions. Word has length 90 [2022-02-15 00:45:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:45:40,847 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 374 transitions. [2022-02-15 00:45:40,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 374 transitions. [2022-02-15 00:45:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-15 00:45:40,850 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:40,850 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:45:40,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 00:45:40,850 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:40,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:40,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1446851934, now seen corresponding path program 1 times [2022-02-15 00:45:40,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:40,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468120931] [2022-02-15 00:45:40,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:40,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:45:41,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:41,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468120931] [2022-02-15 00:45:41,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468120931] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:41,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:41,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:41,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794664283] [2022-02-15 00:45:41,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:41,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:41,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:41,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:41,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:41,012 INFO L87 Difference]: Start difference. First operand 230 states and 374 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:44,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:44,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:45:44,841 INFO L93 Difference]: Finished difference Result 246 states and 393 transitions. [2022-02-15 00:45:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:45:44,842 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 91 [2022-02-15 00:45:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:45:44,843 INFO L225 Difference]: With dead ends: 246 [2022-02-15 00:45:44,843 INFO L226 Difference]: Without dead ends: 246 [2022-02-15 00:45:44,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:45:44,844 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 28 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:45:44,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 467 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 355 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-02-15 00:45:44,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-02-15 00:45:44,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 230. [2022-02-15 00:45:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.64) internal successors, (369), 225 states have internal predecessors, (369), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 373 transitions. [2022-02-15 00:45:44,854 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 373 transitions. Word has length 91 [2022-02-15 00:45:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:45:44,854 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 373 transitions. [2022-02-15 00:45:44,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 373 transitions. [2022-02-15 00:45:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-15 00:45:44,856 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:44,856 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:45:44,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 00:45:44,856 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:44,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:44,857 INFO L85 PathProgramCache]: Analyzing trace with hash -136188286, now seen corresponding path program 1 times [2022-02-15 00:45:44,857 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:44,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538927221] [2022-02-15 00:45:44,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:45:44,971 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:44,971 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538927221] [2022-02-15 00:45:44,971 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538927221] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:44,971 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:44,971 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:44,971 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200125766] [2022-02-15 00:45:44,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:44,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:44,972 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:44,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:44,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:44,973 INFO L87 Difference]: Start difference. First operand 230 states and 373 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:46,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:48,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:50,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:52,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:53,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:45:53,000 INFO L93 Difference]: Finished difference Result 305 states and 473 transitions. [2022-02-15 00:45:53,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:45:53,001 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 91 [2022-02-15 00:45:53,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:45:53,003 INFO L225 Difference]: With dead ends: 305 [2022-02-15 00:45:53,003 INFO L226 Difference]: Without dead ends: 305 [2022-02-15 00:45:53,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:45:53,004 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 142 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:45:53,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 340 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-02-15 00:45:53,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-15 00:45:53,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 230. [2022-02-15 00:45:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6266666666666667) internal successors, (366), 225 states have internal predecessors, (366), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 370 transitions. [2022-02-15 00:45:53,011 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 370 transitions. Word has length 91 [2022-02-15 00:45:53,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:45:53,012 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 370 transitions. [2022-02-15 00:45:53,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 370 transitions. [2022-02-15 00:45:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-15 00:45:53,013 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:53,013 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2022-02-15 00:45:53,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 00:45:53,013 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:53,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1894337090, now seen corresponding path program 1 times [2022-02-15 00:45:53,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:53,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044341458] [2022-02-15 00:45:53,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:45:53,162 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:53,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044341458] [2022-02-15 00:45:53,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044341458] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:53,162 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:53,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:53,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265263125] [2022-02-15 00:45:53,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:53,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:53,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:53,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:53,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:53,164 INFO L87 Difference]: Start difference. First operand 230 states and 370 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:56,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:57,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:45:58,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:45:58,020 INFO L93 Difference]: Finished difference Result 244 states and 387 transitions. [2022-02-15 00:45:58,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:45:58,020 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 91 [2022-02-15 00:45:58,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:45:58,021 INFO L225 Difference]: With dead ends: 244 [2022-02-15 00:45:58,022 INFO L226 Difference]: Without dead ends: 244 [2022-02-15 00:45:58,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:45:58,022 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 20 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:45:58,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 471 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-15 00:45:58,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-02-15 00:45:58,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 230. [2022-02-15 00:45:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6222222222222222) internal successors, (365), 225 states have internal predecessors, (365), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 369 transitions. [2022-02-15 00:45:58,029 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 369 transitions. Word has length 91 [2022-02-15 00:45:58,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:45:58,029 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 369 transitions. [2022-02-15 00:45:58,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:45:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 369 transitions. [2022-02-15 00:45:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-15 00:45:58,030 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:45:58,031 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2022-02-15 00:45:58,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 00:45:58,031 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:45:58,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:45:58,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1071343838, now seen corresponding path program 1 times [2022-02-15 00:45:58,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:45:58,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715160408] [2022-02-15 00:45:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:45:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:45:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:45:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:45:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:45:58,152 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:45:58,152 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715160408] [2022-02-15 00:45:58,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715160408] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:45:58,153 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:45:58,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:45:58,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994364022] [2022-02-15 00:45:58,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:45:58,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:45:58,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:45:58,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:45:58,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:45:58,154 INFO L87 Difference]: Start difference. First operand 230 states and 369 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:01,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:03,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:04,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:04,247 INFO L93 Difference]: Finished difference Result 243 states and 385 transitions. [2022-02-15 00:46:04,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:04,248 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 91 [2022-02-15 00:46:04,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:04,249 INFO L225 Difference]: With dead ends: 243 [2022-02-15 00:46:04,249 INFO L226 Difference]: Without dead ends: 243 [2022-02-15 00:46:04,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:04,250 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 18 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:04,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 473 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 348 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-02-15 00:46:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-02-15 00:46:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 230. [2022-02-15 00:46:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6177777777777778) internal successors, (364), 225 states have internal predecessors, (364), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 368 transitions. [2022-02-15 00:46:04,256 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 368 transitions. Word has length 91 [2022-02-15 00:46:04,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:04,256 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 368 transitions. [2022-02-15 00:46:04,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 368 transitions. [2022-02-15 00:46:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-15 00:46:04,257 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:04,258 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-02-15 00:46:04,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 00:46:04,258 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:04,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:04,258 INFO L85 PathProgramCache]: Analyzing trace with hash 951939982, now seen corresponding path program 1 times [2022-02-15 00:46:04,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:04,258 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232941951] [2022-02-15 00:46:04,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:04,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:46:04,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:04,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232941951] [2022-02-15 00:46:04,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232941951] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:04,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:04,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:04,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788511221] [2022-02-15 00:46:04,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:04,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:04,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:04,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:04,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:04,400 INFO L87 Difference]: Start difference. First operand 230 states and 368 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:07,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:09,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:10,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:10,346 INFO L93 Difference]: Finished difference Result 243 states and 384 transitions. [2022-02-15 00:46:10,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:10,346 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 92 [2022-02-15 00:46:10,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:10,347 INFO L225 Difference]: With dead ends: 243 [2022-02-15 00:46:10,347 INFO L226 Difference]: Without dead ends: 243 [2022-02-15 00:46:10,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:10,348 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 22 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:10,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 473 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-02-15 00:46:10,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-02-15 00:46:10,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 230. [2022-02-15 00:46:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6133333333333333) internal successors, (363), 225 states have internal predecessors, (363), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 367 transitions. [2022-02-15 00:46:10,354 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 367 transitions. Word has length 92 [2022-02-15 00:46:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:10,354 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 367 transitions. [2022-02-15 00:46:10,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 367 transitions. [2022-02-15 00:46:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-15 00:46:10,356 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:10,356 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-02-15 00:46:10,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 00:46:10,356 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:10,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:10,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2098623614, now seen corresponding path program 1 times [2022-02-15 00:46:10,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:10,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949389773] [2022-02-15 00:46:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:10,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:46:10,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:10,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949389773] [2022-02-15 00:46:10,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949389773] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:10,476 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:10,476 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:10,477 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167451620] [2022-02-15 00:46:10,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:10,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:10,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:10,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:10,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:10,484 INFO L87 Difference]: Start difference. First operand 230 states and 367 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:13,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:14,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:16,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:17,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:17,433 INFO L93 Difference]: Finished difference Result 305 states and 467 transitions. [2022-02-15 00:46:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:17,433 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 93 [2022-02-15 00:46:17,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:17,435 INFO L225 Difference]: With dead ends: 305 [2022-02-15 00:46:17,435 INFO L226 Difference]: Without dead ends: 305 [2022-02-15 00:46:17,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:17,436 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 139 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 62 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:17,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 340 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-02-15 00:46:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-15 00:46:17,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 230. [2022-02-15 00:46:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6) internal successors, (360), 225 states have internal predecessors, (360), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 364 transitions. [2022-02-15 00:46:17,442 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 364 transitions. Word has length 93 [2022-02-15 00:46:17,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:17,442 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 364 transitions. [2022-02-15 00:46:17,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 364 transitions. [2022-02-15 00:46:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-02-15 00:46:17,444 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:17,444 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-02-15 00:46:17,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 00:46:17,444 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:17,445 INFO L85 PathProgramCache]: Analyzing trace with hash 321944811, now seen corresponding path program 1 times [2022-02-15 00:46:17,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:17,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912760302] [2022-02-15 00:46:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:17,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:46:17,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:17,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912760302] [2022-02-15 00:46:17,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912760302] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:17,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:17,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:17,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62389572] [2022-02-15 00:46:17,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:17,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:17,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:17,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:17,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:17,567 INFO L87 Difference]: Start difference. First operand 230 states and 364 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:20,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:22,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:24,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:24,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:24,959 INFO L93 Difference]: Finished difference Result 305 states and 464 transitions. [2022-02-15 00:46:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:24,959 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 94 [2022-02-15 00:46:24,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:24,961 INFO L225 Difference]: With dead ends: 305 [2022-02-15 00:46:24,961 INFO L226 Difference]: Without dead ends: 305 [2022-02-15 00:46:24,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:24,962 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 137 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 62 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:24,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 340 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-02-15 00:46:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-15 00:46:24,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 230. [2022-02-15 00:46:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.5866666666666667) internal successors, (357), 225 states have internal predecessors, (357), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 361 transitions. [2022-02-15 00:46:24,968 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 361 transitions. Word has length 94 [2022-02-15 00:46:24,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:24,968 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 361 transitions. [2022-02-15 00:46:24,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2022-02-15 00:46:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-02-15 00:46:24,969 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:24,970 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:46:24,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 00:46:24,970 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:24,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:24,970 INFO L85 PathProgramCache]: Analyzing trace with hash 994781404, now seen corresponding path program 1 times [2022-02-15 00:46:24,970 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:24,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827935487] [2022-02-15 00:46:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:25,082 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:46:25,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:25,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827935487] [2022-02-15 00:46:25,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827935487] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:25,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:25,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:25,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97932393] [2022-02-15 00:46:25,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:25,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:25,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:25,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:25,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:25,084 INFO L87 Difference]: Start difference. First operand 230 states and 361 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:27,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:27,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:27,565 INFO L93 Difference]: Finished difference Result 381 states and 598 transitions. [2022-02-15 00:46:27,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:27,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 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 94 [2022-02-15 00:46:27,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:27,567 INFO L225 Difference]: With dead ends: 381 [2022-02-15 00:46:27,567 INFO L226 Difference]: Without dead ends: 381 [2022-02-15 00:46:27,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:27,568 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 119 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:27,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 336 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 00:46:27,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-02-15 00:46:27,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 294. [2022-02-15 00:46:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 289 states have (on average 1.6159169550173011) internal successors, (467), 289 states have internal predecessors, (467), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 471 transitions. [2022-02-15 00:46:27,575 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 471 transitions. Word has length 94 [2022-02-15 00:46:27,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:27,575 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 471 transitions. [2022-02-15 00:46:27,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 471 transitions. [2022-02-15 00:46:27,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-02-15 00:46:27,577 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:27,577 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:46:27,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 00:46:27,577 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:27,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:27,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1036101631, now seen corresponding path program 1 times [2022-02-15 00:46:27,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:27,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697814109] [2022-02-15 00:46:27,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:27,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-15 00:46:27,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:27,717 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697814109] [2022-02-15 00:46:27,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697814109] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:27,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:27,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:27,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424478646] [2022-02-15 00:46:27,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:27,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:27,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:27,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:27,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:27,719 INFO L87 Difference]: Start difference. First operand 294 states and 471 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:31,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:31,171 INFO L93 Difference]: Finished difference Result 337 states and 533 transitions. [2022-02-15 00:46:31,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:31,171 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 99 [2022-02-15 00:46:31,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:31,173 INFO L225 Difference]: With dead ends: 337 [2022-02-15 00:46:31,173 INFO L226 Difference]: Without dead ends: 337 [2022-02-15 00:46:31,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:31,174 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 31 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:31,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 485 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 00:46:31,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-02-15 00:46:31,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 316. [2022-02-15 00:46:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.6141479099678457) internal successors, (502), 311 states have internal predecessors, (502), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 506 transitions. [2022-02-15 00:46:31,181 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 506 transitions. Word has length 99 [2022-02-15 00:46:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:31,181 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 506 transitions. [2022-02-15 00:46:31,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 506 transitions. [2022-02-15 00:46:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-15 00:46:31,182 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:31,182 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:46:31,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 00:46:31,182 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:31,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:31,183 INFO L85 PathProgramCache]: Analyzing trace with hash -800769138, now seen corresponding path program 1 times [2022-02-15 00:46:31,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:31,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531883202] [2022-02-15 00:46:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:31,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:46:31,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:31,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531883202] [2022-02-15 00:46:31,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531883202] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:31,294 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:31,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:31,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084720478] [2022-02-15 00:46:31,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:31,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:31,295 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:31,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:31,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:31,296 INFO L87 Difference]: Start difference. First operand 316 states and 506 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:33,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:34,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:36,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:37,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:37,195 INFO L93 Difference]: Finished difference Result 337 states and 532 transitions. [2022-02-15 00:46:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:37,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 107 [2022-02-15 00:46:37,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:37,197 INFO L225 Difference]: With dead ends: 337 [2022-02-15 00:46:37,197 INFO L226 Difference]: Without dead ends: 337 [2022-02-15 00:46:37,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:37,198 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 36 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:37,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 485 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 390 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-02-15 00:46:37,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-02-15 00:46:37,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 316. [2022-02-15 00:46:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.6109324758842443) internal successors, (501), 311 states have internal predecessors, (501), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 505 transitions. [2022-02-15 00:46:37,204 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 505 transitions. Word has length 107 [2022-02-15 00:46:37,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:37,205 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 505 transitions. [2022-02-15 00:46:37,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 505 transitions. [2022-02-15 00:46:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-15 00:46:37,206 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:37,206 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-02-15 00:46:37,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 00:46:37,206 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:37,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1979223486, now seen corresponding path program 1 times [2022-02-15 00:46:37,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:37,207 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081466099] [2022-02-15 00:46:37,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-15 00:46:37,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:37,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081466099] [2022-02-15 00:46:37,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081466099] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:37,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:37,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:37,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196147961] [2022-02-15 00:46:37,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:37,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:37,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:37,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:37,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:37,352 INFO L87 Difference]: Start difference. First operand 316 states and 505 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:38,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:40,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:41,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:43,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:43,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:43,651 INFO L93 Difference]: Finished difference Result 335 states and 529 transitions. [2022-02-15 00:46:43,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:43,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 108 [2022-02-15 00:46:43,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:43,653 INFO L225 Difference]: With dead ends: 335 [2022-02-15 00:46:43,654 INFO L226 Difference]: Without dead ends: 335 [2022-02-15 00:46:43,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:43,654 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 34 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:43,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 489 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-02-15 00:46:43,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-02-15 00:46:43,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 316. [2022-02-15 00:46:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.607717041800643) internal successors, (500), 311 states have internal predecessors, (500), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:43,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 504 transitions. [2022-02-15 00:46:43,661 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 504 transitions. Word has length 108 [2022-02-15 00:46:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:43,662 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 504 transitions. [2022-02-15 00:46:43,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 504 transitions. [2022-02-15 00:46:43,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-15 00:46:43,663 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:43,663 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:46:43,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 00:46:43,663 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:43,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:43,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2067859961, now seen corresponding path program 1 times [2022-02-15 00:46:43,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:43,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886383077] [2022-02-15 00:46:43,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:43,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-15 00:46:43,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:43,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886383077] [2022-02-15 00:46:43,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886383077] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:43,780 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:43,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:43,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136226818] [2022-02-15 00:46:43,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:43,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:43,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:43,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:43,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:43,781 INFO L87 Difference]: Start difference. First operand 316 states and 504 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:45,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:46,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:48,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:49,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:49,373 INFO L93 Difference]: Finished difference Result 345 states and 543 transitions. [2022-02-15 00:46:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:49,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 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 113 [2022-02-15 00:46:49,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:49,375 INFO L225 Difference]: With dead ends: 345 [2022-02-15 00:46:49,375 INFO L226 Difference]: Without dead ends: 345 [2022-02-15 00:46:49,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:49,376 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 19 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:49,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 550 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 389 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-02-15 00:46:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-02-15 00:46:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 332. [2022-02-15 00:46:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 327 states have (on average 1.599388379204893) internal successors, (523), 327 states have internal predecessors, (523), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 527 transitions. [2022-02-15 00:46:49,383 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 527 transitions. Word has length 113 [2022-02-15 00:46:49,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:49,383 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 527 transitions. [2022-02-15 00:46:49,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 527 transitions. [2022-02-15 00:46:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-15 00:46:49,385 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:49,385 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:46:49,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 00:46:49,385 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:49,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:49,385 INFO L85 PathProgramCache]: Analyzing trace with hash 814419321, now seen corresponding path program 1 times [2022-02-15 00:46:49,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:49,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236137977] [2022-02-15 00:46:49,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:49,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:49,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-15 00:46:49,509 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:49,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236137977] [2022-02-15 00:46:49,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236137977] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:49,510 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:49,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:49,510 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868297927] [2022-02-15 00:46:49,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:49,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:49,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:49,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:49,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:49,511 INFO L87 Difference]: Start difference. First operand 332 states and 527 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:53,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:54,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:54,323 INFO L93 Difference]: Finished difference Result 406 states and 624 transitions. [2022-02-15 00:46:54,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:46:54,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 113 [2022-02-15 00:46:54,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:54,324 INFO L225 Difference]: With dead ends: 406 [2022-02-15 00:46:54,325 INFO L226 Difference]: Without dead ends: 406 [2022-02-15 00:46:54,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:54,325 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 134 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:54,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 326 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-15 00:46:54,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-02-15 00:46:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 332. [2022-02-15 00:46:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 327 states have (on average 1.584097859327217) internal successors, (518), 327 states have internal predecessors, (518), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 522 transitions. [2022-02-15 00:46:54,333 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 522 transitions. Word has length 113 [2022-02-15 00:46:54,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:54,333 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 522 transitions. [2022-02-15 00:46:54,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 522 transitions. [2022-02-15 00:46:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-15 00:46:54,334 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:54,334 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:46:54,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 00:46:54,335 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:54,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1270943240, now seen corresponding path program 1 times [2022-02-15 00:46:54,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:54,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319386544] [2022-02-15 00:46:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-15 00:46:54,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:54,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319386544] [2022-02-15 00:46:54,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319386544] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:54,467 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:54,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:46:54,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094665442] [2022-02-15 00:46:54,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:54,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:46:54,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:54,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:46:54,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:46:54,469 INFO L87 Difference]: Start difference. First operand 332 states and 522 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:56,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:46:56,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:46:56,837 INFO L93 Difference]: Finished difference Result 341 states and 533 transitions. [2022-02-15 00:46:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:46:56,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 114 [2022-02-15 00:46:56,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:46:56,839 INFO L225 Difference]: With dead ends: 341 [2022-02-15 00:46:56,839 INFO L226 Difference]: Without dead ends: 341 [2022-02-15 00:46:56,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-15 00:46:56,840 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 3 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:46:56,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 609 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 425 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:46:56,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-02-15 00:46:56,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2022-02-15 00:46:56,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 336 states have (on average 1.5744047619047619) internal successors, (529), 336 states have internal predecessors, (529), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 533 transitions. [2022-02-15 00:46:56,846 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 533 transitions. Word has length 114 [2022-02-15 00:46:56,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:46:56,846 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 533 transitions. [2022-02-15 00:46:56,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 533 transitions. [2022-02-15 00:46:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-15 00:46:56,848 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:46:56,848 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:46:56,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 00:46:56,848 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:46:56,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:46:56,848 INFO L85 PathProgramCache]: Analyzing trace with hash 111216116, now seen corresponding path program 1 times [2022-02-15 00:46:56,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:46:56,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327360149] [2022-02-15 00:46:56,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:46:56,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:46:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:46:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:46:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-15 00:46:56,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:46:56,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327360149] [2022-02-15 00:46:56,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327360149] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:46:56,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:46:56,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:46:56,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833391647] [2022-02-15 00:46:56,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:46:56,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:46:56,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:46:56,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:46:56,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:46:56,986 INFO L87 Difference]: Start difference. First operand 341 states and 533 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:46:58,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:00,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:02,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:03,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:03,179 INFO L93 Difference]: Finished difference Result 358 states and 554 transitions. [2022-02-15 00:47:03,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:03,179 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 115 [2022-02-15 00:47:03,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:03,181 INFO L225 Difference]: With dead ends: 358 [2022-02-15 00:47:03,181 INFO L226 Difference]: Without dead ends: 358 [2022-02-15 00:47:03,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:03,181 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 35 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:03,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 493 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 381 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 00:47:03,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-02-15 00:47:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 341. [2022-02-15 00:47:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 336 states have (on average 1.5714285714285714) internal successors, (528), 336 states have internal predecessors, (528), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 532 transitions. [2022-02-15 00:47:03,187 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 532 transitions. Word has length 115 [2022-02-15 00:47:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:03,188 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 532 transitions. [2022-02-15 00:47:03,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 532 transitions. [2022-02-15 00:47:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-02-15 00:47:03,189 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:03,189 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:03,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 00:47:03,189 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:03,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash -676854904, now seen corresponding path program 1 times [2022-02-15 00:47:03,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:03,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617915600] [2022-02-15 00:47:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-15 00:47:03,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:03,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617915600] [2022-02-15 00:47:03,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617915600] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:03,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:03,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:03,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007283] [2022-02-15 00:47:03,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:03,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:03,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:03,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:03,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:03,307 INFO L87 Difference]: Start difference. First operand 341 states and 532 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:05,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:05,686 INFO L93 Difference]: Finished difference Result 348 states and 541 transitions. [2022-02-15 00:47:05,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:05,686 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 121 [2022-02-15 00:47:05,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:05,688 INFO L225 Difference]: With dead ends: 348 [2022-02-15 00:47:05,688 INFO L226 Difference]: Without dead ends: 348 [2022-02-15 00:47:05,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:05,689 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 30 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:05,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 507 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 365 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:47:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-02-15 00:47:05,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 341. [2022-02-15 00:47:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 336 states have (on average 1.568452380952381) internal successors, (527), 336 states have internal predecessors, (527), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 531 transitions. [2022-02-15 00:47:05,695 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 531 transitions. Word has length 121 [2022-02-15 00:47:05,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:05,695 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 531 transitions. [2022-02-15 00:47:05,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:05,698 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 531 transitions. [2022-02-15 00:47:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-02-15 00:47:05,699 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:05,699 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:05,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 00:47:05,699 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:05,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:05,700 INFO L85 PathProgramCache]: Analyzing trace with hash -494174528, now seen corresponding path program 1 times [2022-02-15 00:47:05,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:05,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209518581] [2022-02-15 00:47:05,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:05,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:47:05,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:05,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209518581] [2022-02-15 00:47:05,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209518581] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:05,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:05,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:05,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927509440] [2022-02-15 00:47:05,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:05,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:05,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:05,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:05,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:05,865 INFO L87 Difference]: Start difference. First operand 341 states and 531 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:07,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:09,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:11,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:12,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:13,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:13,019 INFO L93 Difference]: Finished difference Result 464 states and 710 transitions. [2022-02-15 00:47:13,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:13,020 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 121 [2022-02-15 00:47:13,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:13,021 INFO L225 Difference]: With dead ends: 464 [2022-02-15 00:47:13,021 INFO L226 Difference]: Without dead ends: 464 [2022-02-15 00:47:13,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:13,022 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 114 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:13,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 326 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-02-15 00:47:13,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2022-02-15 00:47:13,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 378. [2022-02-15 00:47:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 373 states have (on average 1.579088471849866) internal successors, (589), 373 states have internal predecessors, (589), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 593 transitions. [2022-02-15 00:47:13,030 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 593 transitions. Word has length 121 [2022-02-15 00:47:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:13,030 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 593 transitions. [2022-02-15 00:47:13,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 593 transitions. [2022-02-15 00:47:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-15 00:47:13,031 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:13,031 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:13,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 00:47:13,032 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:13,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash 208718188, now seen corresponding path program 1 times [2022-02-15 00:47:13,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:13,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204914503] [2022-02-15 00:47:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:13,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:47:13,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:13,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204914503] [2022-02-15 00:47:13,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204914503] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:13,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:13,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:13,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655028819] [2022-02-15 00:47:13,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:13,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:13,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:13,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:13,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:13,160 INFO L87 Difference]: Start difference. First operand 378 states and 593 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:14,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:17,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:19,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:19,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:19,700 INFO L93 Difference]: Finished difference Result 461 states and 704 transitions. [2022-02-15 00:47:19,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:19,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2022-02-15 00:47:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:19,702 INFO L225 Difference]: With dead ends: 461 [2022-02-15 00:47:19,702 INFO L226 Difference]: Without dead ends: 461 [2022-02-15 00:47:19,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:19,703 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 113 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:19,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 342 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 475 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-02-15 00:47:19,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-02-15 00:47:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 378. [2022-02-15 00:47:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 373 states have (on average 1.5737265415549597) internal successors, (587), 373 states have internal predecessors, (587), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 591 transitions. [2022-02-15 00:47:19,722 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 591 transitions. Word has length 122 [2022-02-15 00:47:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:19,722 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 591 transitions. [2022-02-15 00:47:19,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 591 transitions. [2022-02-15 00:47:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-02-15 00:47:19,724 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:19,724 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2022-02-15 00:47:19,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 00:47:19,724 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:19,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:19,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1737440945, now seen corresponding path program 1 times [2022-02-15 00:47:19,725 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:19,725 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239827989] [2022-02-15 00:47:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:19,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:47:19,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:19,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239827989] [2022-02-15 00:47:19,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239827989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:19,849 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:19,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:19,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009364746] [2022-02-15 00:47:19,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:19,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:19,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:19,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:19,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:19,850 INFO L87 Difference]: Start difference. First operand 378 states and 591 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:21,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:23,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:26,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:26,545 INFO L93 Difference]: Finished difference Result 461 states and 699 transitions. [2022-02-15 00:47:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:26,546 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 129 [2022-02-15 00:47:26,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:26,547 INFO L225 Difference]: With dead ends: 461 [2022-02-15 00:47:26,547 INFO L226 Difference]: Without dead ends: 461 [2022-02-15 00:47:26,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:26,548 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 134 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:26,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 342 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 477 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-02-15 00:47:26,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-02-15 00:47:26,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 378. [2022-02-15 00:47:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 373 states have (on average 1.5603217158176943) internal successors, (582), 373 states have internal predecessors, (582), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 586 transitions. [2022-02-15 00:47:26,555 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 586 transitions. Word has length 129 [2022-02-15 00:47:26,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:26,556 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 586 transitions. [2022-02-15 00:47:26,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 586 transitions. [2022-02-15 00:47:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-02-15 00:47:26,557 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:26,557 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-02-15 00:47:26,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 00:47:26,558 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:26,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:26,558 INFO L85 PathProgramCache]: Analyzing trace with hash -951278431, now seen corresponding path program 1 times [2022-02-15 00:47:26,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:26,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469090336] [2022-02-15 00:47:26,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:26,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:47:26,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:26,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469090336] [2022-02-15 00:47:26,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469090336] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:26,701 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:26,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:26,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492660232] [2022-02-15 00:47:26,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:26,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:26,702 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:26,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:26,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:26,702 INFO L87 Difference]: Start difference. First operand 378 states and 586 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:28,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:29,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:29,420 INFO L93 Difference]: Finished difference Result 461 states and 694 transitions. [2022-02-15 00:47:29,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:29,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 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 130 [2022-02-15 00:47:29,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:29,422 INFO L225 Difference]: With dead ends: 461 [2022-02-15 00:47:29,422 INFO L226 Difference]: Without dead ends: 461 [2022-02-15 00:47:29,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:29,423 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 133 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:29,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 326 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 00:47:29,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-02-15 00:47:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 378. [2022-02-15 00:47:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 373 states have (on average 1.5469168900804289) internal successors, (577), 373 states have internal predecessors, (577), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 581 transitions. [2022-02-15 00:47:29,434 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 581 transitions. Word has length 130 [2022-02-15 00:47:29,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:29,434 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 581 transitions. [2022-02-15 00:47:29,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 581 transitions. [2022-02-15 00:47:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-02-15 00:47:29,435 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:29,435 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:29,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 00:47:29,436 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:29,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:29,436 INFO L85 PathProgramCache]: Analyzing trace with hash 85923637, now seen corresponding path program 1 times [2022-02-15 00:47:29,436 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:29,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569558274] [2022-02-15 00:47:29,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:29,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 00:47:29,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:29,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569558274] [2022-02-15 00:47:29,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569558274] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:29,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:29,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:29,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721236606] [2022-02-15 00:47:29,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:29,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:29,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:29,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:29,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:29,563 INFO L87 Difference]: Start difference. First operand 378 states and 581 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:31,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:33,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:34,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:34,172 INFO L93 Difference]: Finished difference Result 471 states and 714 transitions. [2022-02-15 00:47:34,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:34,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 130 [2022-02-15 00:47:34,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:34,174 INFO L225 Difference]: With dead ends: 471 [2022-02-15 00:47:34,174 INFO L226 Difference]: Without dead ends: 471 [2022-02-15 00:47:34,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:34,174 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 61 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:34,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 461 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-02-15 00:47:34,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-02-15 00:47:34,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 421. [2022-02-15 00:47:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.5480769230769231) internal successors, (644), 416 states have internal predecessors, (644), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 648 transitions. [2022-02-15 00:47:34,181 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 648 transitions. Word has length 130 [2022-02-15 00:47:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:34,182 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 648 transitions. [2022-02-15 00:47:34,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 648 transitions. [2022-02-15 00:47:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-02-15 00:47:34,183 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:34,183 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:34,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 00:47:34,183 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:34,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash 869302612, now seen corresponding path program 1 times [2022-02-15 00:47:34,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:34,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917812665] [2022-02-15 00:47:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-15 00:47:34,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:34,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917812665] [2022-02-15 00:47:34,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917812665] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:34,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:34,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:34,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100782508] [2022-02-15 00:47:34,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:34,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:34,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:34,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:34,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:34,309 INFO L87 Difference]: Start difference. First operand 421 states and 648 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:36,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:38,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:38,465 INFO L93 Difference]: Finished difference Result 476 states and 724 transitions. [2022-02-15 00:47:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:38,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 130 [2022-02-15 00:47:38,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:38,467 INFO L225 Difference]: With dead ends: 476 [2022-02-15 00:47:38,467 INFO L226 Difference]: Without dead ends: 476 [2022-02-15 00:47:38,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:38,468 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 34 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:38,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 581 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 00:47:38,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-02-15 00:47:38,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 445. [2022-02-15 00:47:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 440 states have (on average 1.5454545454545454) internal successors, (680), 440 states have internal predecessors, (680), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 684 transitions. [2022-02-15 00:47:38,474 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 684 transitions. Word has length 130 [2022-02-15 00:47:38,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:38,475 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 684 transitions. [2022-02-15 00:47:38,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 684 transitions. [2022-02-15 00:47:38,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-02-15 00:47:38,476 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:38,476 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:38,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 00:47:38,476 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:38,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:38,477 INFO L85 PathProgramCache]: Analyzing trace with hash 892461961, now seen corresponding path program 1 times [2022-02-15 00:47:38,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:38,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729834487] [2022-02-15 00:47:38,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:38,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-15 00:47:38,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:38,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729834487] [2022-02-15 00:47:38,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729834487] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:38,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:38,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:38,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573266232] [2022-02-15 00:47:38,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:38,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:38,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:38,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:38,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:38,588 INFO L87 Difference]: Start difference. First operand 445 states and 684 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:42,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:42,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:42,612 INFO L93 Difference]: Finished difference Result 485 states and 737 transitions. [2022-02-15 00:47:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:42,612 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 143 [2022-02-15 00:47:42,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:42,614 INFO L225 Difference]: With dead ends: 485 [2022-02-15 00:47:42,614 INFO L226 Difference]: Without dead ends: 485 [2022-02-15 00:47:42,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:42,614 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 90 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:42,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 485 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-02-15 00:47:42,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-02-15 00:47:42,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 445. [2022-02-15 00:47:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 440 states have (on average 1.5431818181818182) internal successors, (679), 440 states have internal predecessors, (679), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 683 transitions. [2022-02-15 00:47:42,621 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 683 transitions. Word has length 143 [2022-02-15 00:47:42,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:42,622 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 683 transitions. [2022-02-15 00:47:42,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 683 transitions. [2022-02-15 00:47:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-02-15 00:47:42,623 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:42,623 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:42,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 00:47:42,623 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:42,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:42,624 INFO L85 PathProgramCache]: Analyzing trace with hash 556207741, now seen corresponding path program 1 times [2022-02-15 00:47:42,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:42,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80586435] [2022-02-15 00:47:42,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:42,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:47:42,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:42,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80586435] [2022-02-15 00:47:42,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80586435] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:42,766 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:42,766 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:42,766 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464665687] [2022-02-15 00:47:42,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:42,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:42,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:42,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:42,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:42,768 INFO L87 Difference]: Start difference. First operand 445 states and 683 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:45,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:47,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:48,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:48,355 INFO L93 Difference]: Finished difference Result 485 states and 736 transitions. [2022-02-15 00:47:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:48,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 143 [2022-02-15 00:47:48,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:48,356 INFO L225 Difference]: With dead ends: 485 [2022-02-15 00:47:48,356 INFO L226 Difference]: Without dead ends: 485 [2022-02-15 00:47:48,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:48,357 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 70 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:48,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 487 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 498 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-02-15 00:47:48,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-02-15 00:47:48,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 445. [2022-02-15 00:47:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 440 states have (on average 1.540909090909091) internal successors, (678), 440 states have internal predecessors, (678), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2022-02-15 00:47:48,363 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 143 [2022-02-15 00:47:48,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:48,364 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2022-02-15 00:47:48,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2022-02-15 00:47:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-02-15 00:47:48,365 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:48,365 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:48,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 00:47:48,365 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:48,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:48,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1568154570, now seen corresponding path program 1 times [2022-02-15 00:47:48,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:48,366 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157088790] [2022-02-15 00:47:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:48,477 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-15 00:47:48,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:48,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157088790] [2022-02-15 00:47:48,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157088790] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:48,477 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:48,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:48,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293131369] [2022-02-15 00:47:48,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:48,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:48,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:48,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:48,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:48,479 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:50,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:53,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:53,951 INFO L93 Difference]: Finished difference Result 466 states and 709 transitions. [2022-02-15 00:47:53,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:53,952 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 143 [2022-02-15 00:47:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:53,953 INFO L225 Difference]: With dead ends: 466 [2022-02-15 00:47:53,953 INFO L226 Difference]: Without dead ends: 466 [2022-02-15 00:47:53,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:53,954 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 46 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:53,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 581 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 445 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-02-15 00:47:53,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-02-15 00:47:53,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 445. [2022-02-15 00:47:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 440 states have (on average 1.5386363636363636) internal successors, (677), 440 states have internal predecessors, (677), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 681 transitions. [2022-02-15 00:47:53,960 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 681 transitions. Word has length 143 [2022-02-15 00:47:53,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:53,961 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 681 transitions. [2022-02-15 00:47:53,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 681 transitions. [2022-02-15 00:47:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 00:47:53,962 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:53,962 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:53,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-15 00:47:53,962 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:53,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:53,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1299950139, now seen corresponding path program 1 times [2022-02-15 00:47:53,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:53,963 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591620638] [2022-02-15 00:47:53,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:53,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:54,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-15 00:47:54,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:54,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591620638] [2022-02-15 00:47:54,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591620638] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:54,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:54,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:54,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510219067] [2022-02-15 00:47:54,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:54,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:54,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:54,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:54,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:54,084 INFO L87 Difference]: Start difference. First operand 445 states and 681 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:55,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:57,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:47:59,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:47:59,279 INFO L93 Difference]: Finished difference Result 475 states and 721 transitions. [2022-02-15 00:47:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:47:59,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-15 00:47:59,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:47:59,281 INFO L225 Difference]: With dead ends: 475 [2022-02-15 00:47:59,281 INFO L226 Difference]: Without dead ends: 475 [2022-02-15 00:47:59,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:47:59,282 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 79 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:47:59,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 477 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-02-15 00:47:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-02-15 00:47:59,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 445. [2022-02-15 00:47:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 440 states have (on average 1.5363636363636364) internal successors, (676), 440 states have internal predecessors, (676), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 680 transitions. [2022-02-15 00:47:59,288 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 680 transitions. Word has length 144 [2022-02-15 00:47:59,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:47:59,288 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 680 transitions. [2022-02-15 00:47:59,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:47:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 680 transitions. [2022-02-15 00:47:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 00:47:59,289 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:47:59,289 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:47:59,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 00:47:59,290 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:47:59,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:47:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2040430962, now seen corresponding path program 1 times [2022-02-15 00:47:59,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:47:59,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674120854] [2022-02-15 00:47:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:47:59,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:47:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:47:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:47:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:47:59,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:47:59,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674120854] [2022-02-15 00:47:59,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674120854] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:47:59,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:47:59,425 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:47:59,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707842114] [2022-02-15 00:47:59,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:47:59,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:47:59,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:47:59,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:47:59,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:47:59,426 INFO L87 Difference]: Start difference. First operand 445 states and 680 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:01,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:01,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:01,862 INFO L93 Difference]: Finished difference Result 528 states and 787 transitions. [2022-02-15 00:48:01,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:01,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-15 00:48:01,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:01,864 INFO L225 Difference]: With dead ends: 528 [2022-02-15 00:48:01,864 INFO L226 Difference]: Without dead ends: 528 [2022-02-15 00:48:01,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:01,864 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 118 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:01,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 342 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:48:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-02-15 00:48:01,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 445. [2022-02-15 00:48:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 440 states have (on average 1.5227272727272727) internal successors, (670), 440 states have internal predecessors, (670), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 674 transitions. [2022-02-15 00:48:01,872 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 674 transitions. Word has length 144 [2022-02-15 00:48:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:01,872 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 674 transitions. [2022-02-15 00:48:01,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 674 transitions. [2022-02-15 00:48:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 00:48:01,873 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:01,873 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:01,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 00:48:01,874 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:01,874 INFO L85 PathProgramCache]: Analyzing trace with hash 771584538, now seen corresponding path program 1 times [2022-02-15 00:48:01,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:01,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624783834] [2022-02-15 00:48:01,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:01,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-15 00:48:02,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:02,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624783834] [2022-02-15 00:48:02,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624783834] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:02,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:02,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:02,005 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211303642] [2022-02-15 00:48:02,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:02,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:02,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:02,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:02,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:02,006 INFO L87 Difference]: Start difference. First operand 445 states and 674 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:04,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:06,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:07,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:07,646 INFO L93 Difference]: Finished difference Result 456 states and 688 transitions. [2022-02-15 00:48:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:07,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-15 00:48:07,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:07,648 INFO L225 Difference]: With dead ends: 456 [2022-02-15 00:48:07,648 INFO L226 Difference]: Without dead ends: 456 [2022-02-15 00:48:07,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:07,649 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 36 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:07,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 567 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 415 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-02-15 00:48:07,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2022-02-15 00:48:07,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 445. [2022-02-15 00:48:07,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 440 states have (on average 1.5204545454545455) internal successors, (669), 440 states have internal predecessors, (669), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:07,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 673 transitions. [2022-02-15 00:48:07,655 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 673 transitions. Word has length 144 [2022-02-15 00:48:07,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:07,655 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 673 transitions. [2022-02-15 00:48:07,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 673 transitions. [2022-02-15 00:48:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 00:48:07,656 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:07,656 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:07,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 00:48:07,656 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:07,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:07,657 INFO L85 PathProgramCache]: Analyzing trace with hash -715304230, now seen corresponding path program 1 times [2022-02-15 00:48:07,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:07,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892346558] [2022-02-15 00:48:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:07,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:48:07,781 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:07,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892346558] [2022-02-15 00:48:07,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892346558] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:07,781 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:07,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:07,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281060664] [2022-02-15 00:48:07,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:07,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:07,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:07,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:07,783 INFO L87 Difference]: Start difference. First operand 445 states and 673 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:09,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:10,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:10,217 INFO L93 Difference]: Finished difference Result 568 states and 843 transitions. [2022-02-15 00:48:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:10,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-02-15 00:48:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:10,219 INFO L225 Difference]: With dead ends: 568 [2022-02-15 00:48:10,219 INFO L226 Difference]: Without dead ends: 568 [2022-02-15 00:48:10,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:10,220 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 120 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:10,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 342 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:48:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2022-02-15 00:48:10,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 473. [2022-02-15 00:48:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 468 states have (on average 1.5128205128205128) internal successors, (708), 468 states have internal predecessors, (708), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 712 transitions. [2022-02-15 00:48:10,227 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 712 transitions. Word has length 146 [2022-02-15 00:48:10,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:10,227 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 712 transitions. [2022-02-15 00:48:10,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 712 transitions. [2022-02-15 00:48:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 00:48:10,228 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:10,229 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:10,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 00:48:10,229 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:10,229 INFO L85 PathProgramCache]: Analyzing trace with hash 220917447, now seen corresponding path program 1 times [2022-02-15 00:48:10,229 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:10,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023847688] [2022-02-15 00:48:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-15 00:48:10,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:10,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023847688] [2022-02-15 00:48:10,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023847688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:10,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:10,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:10,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409233344] [2022-02-15 00:48:10,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:10,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:10,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:10,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:10,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:10,349 INFO L87 Difference]: Start difference. First operand 473 states and 712 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:12,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:14,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:16,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:17,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:18,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:18,354 INFO L93 Difference]: Finished difference Result 493 states and 737 transitions. [2022-02-15 00:48:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:18,355 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 147 [2022-02-15 00:48:18,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:18,356 INFO L225 Difference]: With dead ends: 493 [2022-02-15 00:48:18,356 INFO L226 Difference]: Without dead ends: 493 [2022-02-15 00:48:18,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:18,357 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 50 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:18,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 499 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 453 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-02-15 00:48:18,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2022-02-15 00:48:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 473. [2022-02-15 00:48:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 468 states have (on average 1.5106837606837606) internal successors, (707), 468 states have internal predecessors, (707), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 711 transitions. [2022-02-15 00:48:18,363 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 711 transitions. Word has length 147 [2022-02-15 00:48:18,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:18,364 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 711 transitions. [2022-02-15 00:48:18,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 711 transitions. [2022-02-15 00:48:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 00:48:18,365 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:18,365 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:18,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 00:48:18,365 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:18,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash 868976307, now seen corresponding path program 1 times [2022-02-15 00:48:18,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:18,366 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294941817] [2022-02-15 00:48:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:18,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:48:18,487 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:18,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294941817] [2022-02-15 00:48:18,488 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294941817] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:18,488 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:18,488 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:18,488 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787026243] [2022-02-15 00:48:18,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:18,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:18,488 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:18,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:18,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:18,489 INFO L87 Difference]: Start difference. First operand 473 states and 711 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:21,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:22,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:23,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:23,149 INFO L93 Difference]: Finished difference Result 493 states and 736 transitions. [2022-02-15 00:48:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:23,150 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 152 [2022-02-15 00:48:23,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:23,151 INFO L225 Difference]: With dead ends: 493 [2022-02-15 00:48:23,151 INFO L226 Difference]: Without dead ends: 493 [2022-02-15 00:48:23,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:23,156 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 54 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:23,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 509 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 459 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-02-15 00:48:23,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2022-02-15 00:48:23,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 473. [2022-02-15 00:48:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 468 states have (on average 1.5085470085470085) internal successors, (706), 468 states have internal predecessors, (706), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 710 transitions. [2022-02-15 00:48:23,164 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 710 transitions. Word has length 152 [2022-02-15 00:48:23,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:23,164 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 710 transitions. [2022-02-15 00:48:23,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 710 transitions. [2022-02-15 00:48:23,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 00:48:23,166 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:23,166 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:23,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 00:48:23,166 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:23,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:23,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1563623314, now seen corresponding path program 1 times [2022-02-15 00:48:23,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:23,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923309381] [2022-02-15 00:48:23,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:23,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:23,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-15 00:48:23,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:23,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923309381] [2022-02-15 00:48:23,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923309381] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:23,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:23,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:48:23,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838977586] [2022-02-15 00:48:23,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:23,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:48:23,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:23,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:48:23,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:48:23,320 INFO L87 Difference]: Start difference. First operand 473 states and 710 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:25,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:27,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:27,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:27,496 INFO L93 Difference]: Finished difference Result 913 states and 1375 transitions. [2022-02-15 00:48:27,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:48:27,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 152 [2022-02-15 00:48:27,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:27,499 INFO L225 Difference]: With dead ends: 913 [2022-02-15 00:48:27,499 INFO L226 Difference]: Without dead ends: 913 [2022-02-15 00:48:27,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:48:27,500 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 129 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:27,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 437 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-02-15 00:48:27,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2022-02-15 00:48:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 911. [2022-02-15 00:48:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 906 states have (on average 1.5121412803532008) internal successors, (1370), 906 states have internal predecessors, (1370), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1374 transitions. [2022-02-15 00:48:27,512 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1374 transitions. Word has length 152 [2022-02-15 00:48:27,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:27,512 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1374 transitions. [2022-02-15 00:48:27,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1374 transitions. [2022-02-15 00:48:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 00:48:27,514 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:27,514 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:27,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 00:48:27,515 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:27,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:27,515 INFO L85 PathProgramCache]: Analyzing trace with hash -895501135, now seen corresponding path program 1 times [2022-02-15 00:48:27,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:27,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528000779] [2022-02-15 00:48:27,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:27,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-15 00:48:27,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:27,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528000779] [2022-02-15 00:48:27,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528000779] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:27,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:27,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:48:27,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063514990] [2022-02-15 00:48:27,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:27,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:48:27,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:48:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:48:27,630 INFO L87 Difference]: Start difference. First operand 911 states and 1374 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:29,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:29,546 INFO L93 Difference]: Finished difference Result 938 states and 1409 transitions. [2022-02-15 00:48:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:48:29,547 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 152 [2022-02-15 00:48:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:29,549 INFO L225 Difference]: With dead ends: 938 [2022-02-15 00:48:29,549 INFO L226 Difference]: Without dead ends: 938 [2022-02-15 00:48:29,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:48:29,549 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:29,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 411 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-02-15 00:48:29,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-02-15 00:48:29,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2022-02-15 00:48:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 933 states have (on average 1.5058949624866023) internal successors, (1405), 933 states have internal predecessors, (1405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1409 transitions. [2022-02-15 00:48:29,557 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1409 transitions. Word has length 152 [2022-02-15 00:48:29,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:29,558 INFO L470 AbstractCegarLoop]: Abstraction has 938 states and 1409 transitions. [2022-02-15 00:48:29,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1409 transitions. [2022-02-15 00:48:29,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 00:48:29,560 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:29,560 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:29,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 00:48:29,560 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:29,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:29,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1110330288, now seen corresponding path program 1 times [2022-02-15 00:48:29,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:29,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109021391] [2022-02-15 00:48:29,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-02-15 00:48:29,678 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:29,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109021391] [2022-02-15 00:48:29,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109021391] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:29,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:29,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:48:29,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359313296] [2022-02-15 00:48:29,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:29,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:48:29,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:29,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:48:29,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:48:29,679 INFO L87 Difference]: Start difference. First operand 938 states and 1409 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:32,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:32,309 INFO L93 Difference]: Finished difference Result 940 states and 1411 transitions. [2022-02-15 00:48:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:48:32,309 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 152 [2022-02-15 00:48:32,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:32,311 INFO L225 Difference]: With dead ends: 940 [2022-02-15 00:48:32,311 INFO L226 Difference]: Without dead ends: 940 [2022-02-15 00:48:32,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:48:32,312 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:32,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 390 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 00:48:32,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-02-15 00:48:32,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 940. [2022-02-15 00:48:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 935 states have (on average 1.504812834224599) internal successors, (1407), 935 states have internal predecessors, (1407), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1411 transitions. [2022-02-15 00:48:32,322 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1411 transitions. Word has length 152 [2022-02-15 00:48:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:32,322 INFO L470 AbstractCegarLoop]: Abstraction has 940 states and 1411 transitions. [2022-02-15 00:48:32,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1411 transitions. [2022-02-15 00:48:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-02-15 00:48:32,324 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:32,324 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:32,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 00:48:32,324 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:32,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:32,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1906476963, now seen corresponding path program 1 times [2022-02-15 00:48:32,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:32,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843333177] [2022-02-15 00:48:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:32,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-15 00:48:32,441 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:32,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843333177] [2022-02-15 00:48:32,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843333177] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:32,441 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:32,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:32,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893263080] [2022-02-15 00:48:32,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:32,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:32,442 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:32,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:32,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:32,443 INFO L87 Difference]: Start difference. First operand 940 states and 1411 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:35,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:35,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:35,643 INFO L93 Difference]: Finished difference Result 981 states and 1460 transitions. [2022-02-15 00:48:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:35,644 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 153 [2022-02-15 00:48:35,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:35,646 INFO L225 Difference]: With dead ends: 981 [2022-02-15 00:48:35,646 INFO L226 Difference]: Without dead ends: 981 [2022-02-15 00:48:35,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:35,647 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 42 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:35,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 507 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-02-15 00:48:35,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2022-02-15 00:48:35,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 940. [2022-02-15 00:48:35,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 935 states have (on average 1.5026737967914439) internal successors, (1405), 935 states have internal predecessors, (1405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1409 transitions. [2022-02-15 00:48:35,657 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1409 transitions. Word has length 153 [2022-02-15 00:48:35,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:35,658 INFO L470 AbstractCegarLoop]: Abstraction has 940 states and 1409 transitions. [2022-02-15 00:48:35,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1409 transitions. [2022-02-15 00:48:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-02-15 00:48:35,660 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:35,660 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:35,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-15 00:48:35,660 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:35,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash 282794031, now seen corresponding path program 1 times [2022-02-15 00:48:35,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:35,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826017861] [2022-02-15 00:48:35,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-02-15 00:48:35,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:35,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826017861] [2022-02-15 00:48:35,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826017861] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:35,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:35,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:35,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121759567] [2022-02-15 00:48:35,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:35,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:35,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:35,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:35,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:35,791 INFO L87 Difference]: Start difference. First operand 940 states and 1409 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:39,209 INFO L93 Difference]: Finished difference Result 1059 states and 1574 transitions. [2022-02-15 00:48:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:39,209 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 153 [2022-02-15 00:48:39,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:39,212 INFO L225 Difference]: With dead ends: 1059 [2022-02-15 00:48:39,212 INFO L226 Difference]: Without dead ends: 1059 [2022-02-15 00:48:39,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:39,212 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 37 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:39,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 553 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 00:48:39,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2022-02-15 00:48:39,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 992. [2022-02-15 00:48:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 987 states have (on average 1.5045592705167172) internal successors, (1485), 987 states have internal predecessors, (1485), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1489 transitions. [2022-02-15 00:48:39,224 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1489 transitions. Word has length 153 [2022-02-15 00:48:39,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:39,225 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1489 transitions. [2022-02-15 00:48:39,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:39,225 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1489 transitions. [2022-02-15 00:48:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-02-15 00:48:39,227 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:39,227 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:39,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-15 00:48:39,227 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:39,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:39,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1671067034, now seen corresponding path program 1 times [2022-02-15 00:48:39,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:39,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118956057] [2022-02-15 00:48:39,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:39,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-15 00:48:39,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:39,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118956057] [2022-02-15 00:48:39,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118956057] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:39,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:39,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:39,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490991445] [2022-02-15 00:48:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:39,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:39,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:39,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:39,380 INFO L87 Difference]: Start difference. First operand 992 states and 1489 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:41,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:41,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:41,765 INFO L93 Difference]: Finished difference Result 1029 states and 1534 transitions. [2022-02-15 00:48:41,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:41,765 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 154 [2022-02-15 00:48:41,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:41,767 INFO L225 Difference]: With dead ends: 1029 [2022-02-15 00:48:41,768 INFO L226 Difference]: Without dead ends: 1029 [2022-02-15 00:48:41,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:41,768 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 39 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:41,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 509 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 453 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:48:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-02-15 00:48:41,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 992. [2022-02-15 00:48:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 987 states have (on average 1.502532928064843) internal successors, (1483), 987 states have internal predecessors, (1483), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1487 transitions. [2022-02-15 00:48:41,778 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1487 transitions. Word has length 154 [2022-02-15 00:48:41,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:41,779 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1487 transitions. [2022-02-15 00:48:41,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1487 transitions. [2022-02-15 00:48:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-02-15 00:48:41,780 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:41,780 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:41,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-15 00:48:41,780 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:41,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:41,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1414324568, now seen corresponding path program 1 times [2022-02-15 00:48:41,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:41,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858989780] [2022-02-15 00:48:41,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:41,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:48:41,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:41,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858989780] [2022-02-15 00:48:41,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858989780] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:41,900 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:41,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:41,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724537972] [2022-02-15 00:48:41,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:41,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:41,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:41,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:41,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:41,901 INFO L87 Difference]: Start difference. First operand 992 states and 1487 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:44,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:46,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:48,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:48,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:48,585 INFO L93 Difference]: Finished difference Result 1155 states and 1691 transitions. [2022-02-15 00:48:48,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:48,585 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 159 [2022-02-15 00:48:48,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:48,588 INFO L225 Difference]: With dead ends: 1155 [2022-02-15 00:48:48,588 INFO L226 Difference]: Without dead ends: 1155 [2022-02-15 00:48:48,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:48,589 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 122 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 58 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:48,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 358 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 484 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-02-15 00:48:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2022-02-15 00:48:48,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 992. [2022-02-15 00:48:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 987 states have (on average 1.4883485309017224) internal successors, (1469), 987 states have internal predecessors, (1469), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1473 transitions. [2022-02-15 00:48:48,600 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1473 transitions. Word has length 159 [2022-02-15 00:48:48,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:48,601 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1473 transitions. [2022-02-15 00:48:48,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1473 transitions. [2022-02-15 00:48:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-02-15 00:48:48,602 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:48,603 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:48,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-15 00:48:48,603 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:48,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash 293481995, now seen corresponding path program 1 times [2022-02-15 00:48:48,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:48,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251010403] [2022-02-15 00:48:48,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:48,725 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:48:48,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:48,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251010403] [2022-02-15 00:48:48,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251010403] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:48,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:48,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:48,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729193816] [2022-02-15 00:48:48,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:48,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:48,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:48,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:48,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:48,727 INFO L87 Difference]: Start difference. First operand 992 states and 1473 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:51,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:53,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:54,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:48:54,363 INFO L93 Difference]: Finished difference Result 1155 states and 1677 transitions. [2022-02-15 00:48:54,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:48:54,363 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 160 [2022-02-15 00:48:54,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:48:54,366 INFO L225 Difference]: With dead ends: 1155 [2022-02-15 00:48:54,366 INFO L226 Difference]: Without dead ends: 1155 [2022-02-15 00:48:54,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:48:54,367 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 121 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 62 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:48:54,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 326 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 467 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-02-15 00:48:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2022-02-15 00:48:54,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 992. [2022-02-15 00:48:54,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 987 states have (on average 1.4741641337386018) internal successors, (1455), 987 states have internal predecessors, (1455), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1459 transitions. [2022-02-15 00:48:54,376 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1459 transitions. Word has length 160 [2022-02-15 00:48:54,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:48:54,377 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1459 transitions. [2022-02-15 00:48:54,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1459 transitions. [2022-02-15 00:48:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-02-15 00:48:54,379 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:48:54,379 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:48:54,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-15 00:48:54,379 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:48:54,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:48:54,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1842738854, now seen corresponding path program 1 times [2022-02-15 00:48:54,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:48:54,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496497897] [2022-02-15 00:48:54,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:48:54,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:48:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:54,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:48:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:48:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:48:54,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:48:54,516 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496497897] [2022-02-15 00:48:54,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496497897] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:48:54,516 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:48:54,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:48:54,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245925321] [2022-02-15 00:48:54,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:48:54,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:48:54,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:48:54,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:48:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:48:54,517 INFO L87 Difference]: Start difference. First operand 992 states and 1459 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:48:56,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:48:58,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:00,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:02,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:02,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:02,527 INFO L93 Difference]: Finished difference Result 1235 states and 1791 transitions. [2022-02-15 00:49:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:02,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 162 [2022-02-15 00:49:02,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:02,530 INFO L225 Difference]: With dead ends: 1235 [2022-02-15 00:49:02,530 INFO L226 Difference]: Without dead ends: 1235 [2022-02-15 00:49:02,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:02,531 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 114 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 60 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:02,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 326 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 467 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-02-15 00:49:02,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2022-02-15 00:49:02,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 1058. [2022-02-15 00:49:02,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1053 states have (on average 1.4710351377018043) internal successors, (1549), 1053 states have internal predecessors, (1549), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1553 transitions. [2022-02-15 00:49:02,544 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1553 transitions. Word has length 162 [2022-02-15 00:49:02,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:02,544 INFO L470 AbstractCegarLoop]: Abstraction has 1058 states and 1553 transitions. [2022-02-15 00:49:02,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1553 transitions. [2022-02-15 00:49:02,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-02-15 00:49:02,546 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:02,546 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:02,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-15 00:49:02,547 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:02,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:02,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1186117070, now seen corresponding path program 1 times [2022-02-15 00:49:02,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:02,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262251156] [2022-02-15 00:49:02,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:02,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:02,666 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-02-15 00:49:02,666 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:02,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262251156] [2022-02-15 00:49:02,666 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262251156] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:02,666 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:02,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:02,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328981061] [2022-02-15 00:49:02,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:02,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:02,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:02,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:02,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:02,668 INFO L87 Difference]: Start difference. First operand 1058 states and 1553 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:03,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:06,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:07,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:07,227 INFO L93 Difference]: Finished difference Result 1221 states and 1763 transitions. [2022-02-15 00:49:07,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:07,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 163 [2022-02-15 00:49:07,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:07,230 INFO L225 Difference]: With dead ends: 1221 [2022-02-15 00:49:07,230 INFO L226 Difference]: Without dead ends: 1221 [2022-02-15 00:49:07,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:07,230 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 113 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:07,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 334 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-02-15 00:49:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-02-15 00:49:07,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1058. [2022-02-15 00:49:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1053 states have (on average 1.46343779677113) internal successors, (1541), 1053 states have internal predecessors, (1541), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1545 transitions. [2022-02-15 00:49:07,240 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1545 transitions. Word has length 163 [2022-02-15 00:49:07,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:07,240 INFO L470 AbstractCegarLoop]: Abstraction has 1058 states and 1545 transitions. [2022-02-15 00:49:07,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1545 transitions. [2022-02-15 00:49:07,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-02-15 00:49:07,242 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:07,242 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:07,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-15 00:49:07,242 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:07,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:07,243 INFO L85 PathProgramCache]: Analyzing trace with hash -532071860, now seen corresponding path program 1 times [2022-02-15 00:49:07,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:07,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694502505] [2022-02-15 00:49:07,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:07,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-02-15 00:49:07,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:07,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694502505] [2022-02-15 00:49:07,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694502505] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:07,368 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:07,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:07,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244901827] [2022-02-15 00:49:07,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:07,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:07,369 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:07,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:07,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:07,369 INFO L87 Difference]: Start difference. First operand 1058 states and 1545 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:09,546 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 [] [2022-02-15 00:49:11,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:13,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:14,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:14,012 INFO L93 Difference]: Finished difference Result 1201 states and 1721 transitions. [2022-02-15 00:49:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:14,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-02-15 00:49:14,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:14,016 INFO L225 Difference]: With dead ends: 1201 [2022-02-15 00:49:14,016 INFO L226 Difference]: Without dead ends: 1201 [2022-02-15 00:49:14,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:14,025 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 135 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 62 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:14,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 336 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 469 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-02-15 00:49:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-02-15 00:49:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1058. [2022-02-15 00:49:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1053 states have (on average 1.446343779677113) internal successors, (1523), 1053 states have internal predecessors, (1523), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1527 transitions. [2022-02-15 00:49:14,039 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1527 transitions. Word has length 165 [2022-02-15 00:49:14,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:14,039 INFO L470 AbstractCegarLoop]: Abstraction has 1058 states and 1527 transitions. [2022-02-15 00:49:14,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1527 transitions. [2022-02-15 00:49:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-15 00:49:14,041 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:14,041 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:14,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-15 00:49:14,041 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:14,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:14,042 INFO L85 PathProgramCache]: Analyzing trace with hash 89074648, now seen corresponding path program 1 times [2022-02-15 00:49:14,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:14,042 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889367819] [2022-02-15 00:49:14,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-02-15 00:49:14,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:14,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889367819] [2022-02-15 00:49:14,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889367819] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:14,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:14,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:49:14,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473587836] [2022-02-15 00:49:14,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:14,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:49:14,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:14,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:49:14,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:14,197 INFO L87 Difference]: Start difference. First operand 1058 states and 1527 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:16,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:17,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:19,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:19,507 INFO L93 Difference]: Finished difference Result 1058 states and 1525 transitions. [2022-02-15 00:49:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 00:49:19,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 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 166 [2022-02-15 00:49:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:19,510 INFO L225 Difference]: With dead ends: 1058 [2022-02-15 00:49:19,510 INFO L226 Difference]: Without dead ends: 1058 [2022-02-15 00:49:19,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-15 00:49:19,511 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 143 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:19,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 354 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-02-15 00:49:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2022-02-15 00:49:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2022-02-15 00:49:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1053 states have (on average 1.4444444444444444) internal successors, (1521), 1053 states have internal predecessors, (1521), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1525 transitions. [2022-02-15 00:49:19,523 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1525 transitions. Word has length 166 [2022-02-15 00:49:19,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:19,523 INFO L470 AbstractCegarLoop]: Abstraction has 1058 states and 1525 transitions. [2022-02-15 00:49:19,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 5 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1525 transitions. [2022-02-15 00:49:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-02-15 00:49:19,525 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:19,525 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:19,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-15 00:49:19,525 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:19,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:19,526 INFO L85 PathProgramCache]: Analyzing trace with hash -522240028, now seen corresponding path program 1 times [2022-02-15 00:49:19,526 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:19,526 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893726781] [2022-02-15 00:49:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:19,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:19,687 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-15 00:49:19,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:19,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893726781] [2022-02-15 00:49:19,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893726781] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:19,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:19,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:19,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702409560] [2022-02-15 00:49:19,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:19,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:19,688 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:19,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:19,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:19,689 INFO L87 Difference]: Start difference. First operand 1058 states and 1525 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:21,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:23,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:23,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:23,934 INFO L93 Difference]: Finished difference Result 1181 states and 1675 transitions. [2022-02-15 00:49:23,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:23,934 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 169 [2022-02-15 00:49:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:23,937 INFO L225 Difference]: With dead ends: 1181 [2022-02-15 00:49:23,937 INFO L226 Difference]: Without dead ends: 1181 [2022-02-15 00:49:23,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:23,938 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 125 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:23,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 348 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-02-15 00:49:23,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2022-02-15 00:49:23,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1058. [2022-02-15 00:49:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1053 states have (on average 1.4273504273504274) internal successors, (1503), 1053 states have internal predecessors, (1503), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1507 transitions. [2022-02-15 00:49:23,947 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1507 transitions. Word has length 169 [2022-02-15 00:49:23,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:23,948 INFO L470 AbstractCegarLoop]: Abstraction has 1058 states and 1507 transitions. [2022-02-15 00:49:23,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1507 transitions. [2022-02-15 00:49:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-02-15 00:49:23,949 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:23,949 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:23,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-15 00:49:23,949 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:23,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash -577869470, now seen corresponding path program 1 times [2022-02-15 00:49:23,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:23,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254516868] [2022-02-15 00:49:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-02-15 00:49:24,078 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:24,078 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254516868] [2022-02-15 00:49:24,078 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254516868] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:24,078 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:24,078 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:49:24,078 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126594690] [2022-02-15 00:49:24,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:24,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:49:24,079 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:24,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:49:24,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:49:24,079 INFO L87 Difference]: Start difference. First operand 1058 states and 1507 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:25,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:27,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:29,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:29,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:29,879 INFO L93 Difference]: Finished difference Result 1558 states and 2222 transitions. [2022-02-15 00:49:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:49:29,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 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 171 [2022-02-15 00:49:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:29,881 INFO L225 Difference]: With dead ends: 1558 [2022-02-15 00:49:29,882 INFO L226 Difference]: Without dead ends: 1558 [2022-02-15 00:49:29,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:49:29,882 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 139 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:29,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 564 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 399 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-02-15 00:49:29,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2022-02-15 00:49:29,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1558. [2022-02-15 00:49:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1553 states have (on average 1.4282034771410175) internal successors, (2218), 1553 states have internal predecessors, (2218), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2222 transitions. [2022-02-15 00:49:29,896 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2222 transitions. Word has length 171 [2022-02-15 00:49:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:29,897 INFO L470 AbstractCegarLoop]: Abstraction has 1558 states and 2222 transitions. [2022-02-15 00:49:29,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2222 transitions. [2022-02-15 00:49:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-02-15 00:49:29,899 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:29,899 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:29,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-15 00:49:29,899 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:29,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:29,900 INFO L85 PathProgramCache]: Analyzing trace with hash 256687454, now seen corresponding path program 1 times [2022-02-15 00:49:29,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:29,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53191381] [2022-02-15 00:49:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-02-15 00:49:30,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:30,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53191381] [2022-02-15 00:49:30,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53191381] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:30,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:30,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:49:30,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282446661] [2022-02-15 00:49:30,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:30,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:49:30,018 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:30,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:49:30,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:49:30,019 INFO L87 Difference]: Start difference. First operand 1558 states and 2222 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:31,621 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 [] [2022-02-15 00:49:32,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:32,384 INFO L93 Difference]: Finished difference Result 2023 states and 2885 transitions. [2022-02-15 00:49:32,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:49:32,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 172 [2022-02-15 00:49:32,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:32,387 INFO L225 Difference]: With dead ends: 2023 [2022-02-15 00:49:32,387 INFO L226 Difference]: Without dead ends: 2023 [2022-02-15 00:49:32,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:49:32,387 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 132 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:32,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 490 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 00:49:32,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2022-02-15 00:49:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2019. [2022-02-15 00:49:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2019 states, 2014 states have (on average 1.428997020854022) internal successors, (2878), 2014 states have internal predecessors, (2878), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 2882 transitions. [2022-02-15 00:49:32,406 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 2882 transitions. Word has length 172 [2022-02-15 00:49:32,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:32,406 INFO L470 AbstractCegarLoop]: Abstraction has 2019 states and 2882 transitions. [2022-02-15 00:49:32,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2882 transitions. [2022-02-15 00:49:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-02-15 00:49:32,408 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:32,408 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:32,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-15 00:49:32,409 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:32,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:32,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1935430171, now seen corresponding path program 1 times [2022-02-15 00:49:32,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:32,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743803297] [2022-02-15 00:49:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:32,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-02-15 00:49:32,567 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:32,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743803297] [2022-02-15 00:49:32,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743803297] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:32,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:32,568 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:32,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672417255] [2022-02-15 00:49:32,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:32,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:32,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:32,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:32,569 INFO L87 Difference]: Start difference. First operand 2019 states and 2882 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:33,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:36,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:37,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:39,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:40,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:40,099 INFO L93 Difference]: Finished difference Result 2096 states and 2985 transitions. [2022-02-15 00:49:40,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:40,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (3), 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 181 [2022-02-15 00:49:40,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:40,103 INFO L225 Difference]: With dead ends: 2096 [2022-02-15 00:49:40,103 INFO L226 Difference]: Without dead ends: 2096 [2022-02-15 00:49:40,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:40,103 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 36 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:40,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 576 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 462 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-02-15 00:49:40,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2022-02-15 00:49:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2019. [2022-02-15 00:49:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2019 states, 2014 states have (on average 1.4270109235352533) internal successors, (2874), 2014 states have internal predecessors, (2874), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 2878 transitions. [2022-02-15 00:49:40,123 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 2878 transitions. Word has length 181 [2022-02-15 00:49:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:40,123 INFO L470 AbstractCegarLoop]: Abstraction has 2019 states and 2878 transitions. [2022-02-15 00:49:40,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2878 transitions. [2022-02-15 00:49:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-02-15 00:49:40,125 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:40,125 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:40,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-15 00:49:40,126 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:40,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:40,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1940483440, now seen corresponding path program 1 times [2022-02-15 00:49:40,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:40,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884269875] [2022-02-15 00:49:40,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:40,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-15 00:49:40,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:40,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884269875] [2022-02-15 00:49:40,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884269875] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:40,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:40,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:40,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59550289] [2022-02-15 00:49:40,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:40,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:40,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:40,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:40,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:40,268 INFO L87 Difference]: Start difference. First operand 2019 states and 2878 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:42,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:43,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:45,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:46,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:46,317 INFO L93 Difference]: Finished difference Result 2230 states and 3169 transitions. [2022-02-15 00:49:46,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:46,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 184 [2022-02-15 00:49:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:46,320 INFO L225 Difference]: With dead ends: 2230 [2022-02-15 00:49:46,320 INFO L226 Difference]: Without dead ends: 2230 [2022-02-15 00:49:46,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:46,321 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 62 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:46,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 548 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 502 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-02-15 00:49:46,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-02-15 00:49:46,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2109. [2022-02-15 00:49:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2104 states have (on average 1.4272813688212929) internal successors, (3003), 2104 states have internal predecessors, (3003), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3007 transitions. [2022-02-15 00:49:46,336 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3007 transitions. Word has length 184 [2022-02-15 00:49:46,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:46,336 INFO L470 AbstractCegarLoop]: Abstraction has 2109 states and 3007 transitions. [2022-02-15 00:49:46,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:46,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3007 transitions. [2022-02-15 00:49:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-02-15 00:49:46,338 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:46,338 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:46,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-15 00:49:46,339 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:46,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:46,339 INFO L85 PathProgramCache]: Analyzing trace with hash -2001822662, now seen corresponding path program 1 times [2022-02-15 00:49:46,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:46,339 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091279659] [2022-02-15 00:49:46,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:46,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-15 00:49:46,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:46,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091279659] [2022-02-15 00:49:46,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091279659] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:46,473 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:46,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:46,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168415888] [2022-02-15 00:49:46,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:46,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:46,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:46,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:46,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:46,474 INFO L87 Difference]: Start difference. First operand 2109 states and 3007 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:47,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:49,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:50,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:51,278 INFO L93 Difference]: Finished difference Result 2206 states and 3127 transitions. [2022-02-15 00:49:51,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:51,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 188 [2022-02-15 00:49:51,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:51,282 INFO L225 Difference]: With dead ends: 2206 [2022-02-15 00:49:51,282 INFO L226 Difference]: Without dead ends: 2206 [2022-02-15 00:49:51,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:51,283 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 53 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:51,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 566 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-02-15 00:49:51,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2022-02-15 00:49:51,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2109. [2022-02-15 00:49:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2104 states have (on average 1.4258555133079849) internal successors, (3000), 2104 states have internal predecessors, (3000), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3004 transitions. [2022-02-15 00:49:51,304 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3004 transitions. Word has length 188 [2022-02-15 00:49:51,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:51,305 INFO L470 AbstractCegarLoop]: Abstraction has 2109 states and 3004 transitions. [2022-02-15 00:49:51,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3004 transitions. [2022-02-15 00:49:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-02-15 00:49:51,307 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:51,307 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:51,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-15 00:49:51,307 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:51,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:51,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1964508048, now seen corresponding path program 1 times [2022-02-15 00:49:51,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:51,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910491985] [2022-02-15 00:49:51,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:51,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-02-15 00:49:51,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:51,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910491985] [2022-02-15 00:49:51,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910491985] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:51,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:51,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:51,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592003277] [2022-02-15 00:49:51,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:51,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:51,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:51,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:51,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:51,452 INFO L87 Difference]: Start difference. First operand 2109 states and 3004 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:53,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:56,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:49:56,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:49:56,449 INFO L93 Difference]: Finished difference Result 2506 states and 3538 transitions. [2022-02-15 00:49:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:49:56,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 194 [2022-02-15 00:49:56,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:49:56,452 INFO L225 Difference]: With dead ends: 2506 [2022-02-15 00:49:56,452 INFO L226 Difference]: Without dead ends: 2506 [2022-02-15 00:49:56,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:49:56,452 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 101 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:49:56,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 348 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-02-15 00:49:56,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2022-02-15 00:49:56,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2249. [2022-02-15 00:49:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2244 states have (on average 1.4206773618538324) internal successors, (3188), 2244 states have internal predecessors, (3188), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3192 transitions. [2022-02-15 00:49:56,474 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3192 transitions. Word has length 194 [2022-02-15 00:49:56,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:49:56,474 INFO L470 AbstractCegarLoop]: Abstraction has 2249 states and 3192 transitions. [2022-02-15 00:49:56,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3192 transitions. [2022-02-15 00:49:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-02-15 00:49:56,476 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:49:56,477 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:49:56,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-15 00:49:56,477 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:49:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:49:56,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1929615981, now seen corresponding path program 1 times [2022-02-15 00:49:56,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:49:56,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805561293] [2022-02-15 00:49:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:49:56,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:49:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:49:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:49:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-02-15 00:49:56,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:49:56,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805561293] [2022-02-15 00:49:56,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805561293] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:49:56,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:49:56,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 00:49:56,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309583240] [2022-02-15 00:49:56,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:49:56,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 00:49:56,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:49:56,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 00:49:56,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 00:49:56,604 INFO L87 Difference]: Start difference. First operand 2249 states and 3192 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:49:58,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:00,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:02,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:02,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:02,399 INFO L93 Difference]: Finished difference Result 2340 states and 3303 transitions. [2022-02-15 00:50:02,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 00:50:02,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 195 [2022-02-15 00:50:02,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:02,403 INFO L225 Difference]: With dead ends: 2340 [2022-02-15 00:50:02,403 INFO L226 Difference]: Without dead ends: 2340 [2022-02-15 00:50:02,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:50:02,404 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 43 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:02,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 568 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 482 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-02-15 00:50:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2340 states. [2022-02-15 00:50:02,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2340 to 2267. [2022-02-15 00:50:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2267 states, 2262 states have (on average 1.4173297966401415) internal successors, (3206), 2262 states have internal predecessors, (3206), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 3210 transitions. [2022-02-15 00:50:02,444 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 3210 transitions. Word has length 195 [2022-02-15 00:50:02,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:02,444 INFO L470 AbstractCegarLoop]: Abstraction has 2267 states and 3210 transitions. [2022-02-15 00:50:02,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 3210 transitions. [2022-02-15 00:50:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-15 00:50:02,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:02,447 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:02,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-15 00:50:02,447 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:02,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:02,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2123698635, now seen corresponding path program 1 times [2022-02-15 00:50:02,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:02,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577338836] [2022-02-15 00:50:02,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:02,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-02-15 00:50:02,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:02,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577338836] [2022-02-15 00:50:02,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577338836] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:50:02,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:50:02,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 00:50:02,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644991933] [2022-02-15 00:50:02,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:50:02,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 00:50:02,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:50:02,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 00:50:02,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 00:50:02,985 INFO L87 Difference]: Start difference. First operand 2267 states and 3210 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:04,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:06,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:08,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:09,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:12,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:14,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 00:50:14,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:50:14,485 INFO L93 Difference]: Finished difference Result 2275 states and 3220 transitions. [2022-02-15 00:50:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 00:50:14,486 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 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 196 [2022-02-15 00:50:14,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:50:14,490 INFO L225 Difference]: With dead ends: 2275 [2022-02-15 00:50:14,490 INFO L226 Difference]: Without dead ends: 2267 [2022-02-15 00:50:14,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-15 00:50:14,490 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 7 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:50:14,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 812 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 434 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2022-02-15 00:50:14,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2022-02-15 00:50:14,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2267. [2022-02-15 00:50:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2267 states, 2262 states have (on average 1.4168877099911583) internal successors, (3205), 2262 states have internal predecessors, (3205), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 3209 transitions. [2022-02-15 00:50:14,515 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 3209 transitions. Word has length 196 [2022-02-15 00:50:14,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:50:14,515 INFO L470 AbstractCegarLoop]: Abstraction has 2267 states and 3209 transitions. [2022-02-15 00:50:14,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:50:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 3209 transitions. [2022-02-15 00:50:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-15 00:50:14,518 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:50:14,518 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:50:14,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-15 00:50:14,518 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:50:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:50:14,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1887080810, now seen corresponding path program 1 times [2022-02-15 00:50:14,519 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:50:14,519 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561044756] [2022-02-15 00:50:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:14,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:50:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:50:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-02-15 00:50:15,866 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:50:15,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561044756] [2022-02-15 00:50:15,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561044756] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:50:15,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48841397] [2022-02-15 00:50:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:50:15,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:50:15,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:50:15,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:50:15,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-15 00:50:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:50:17,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 154 conjunts are in the unsatisfiable core [2022-02-15 00:50:17,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:50:17,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76035310 treesize of output 43295250 [2022-02-15 00:50:18,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:50:19,131 INFO L353 Elim1Store]: treesize reduction 520, result has 8.1 percent of original size [2022-02-15 00:50:19,134 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 890872530 treesize of output 890872549 [2022-02-15 00:51:02,239 WARN L228 SmtUtils]: Spent 43.10s on a formula simplification that was a NOOP. DAG size: 1885 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-15 00:51:43,684 WARN L228 SmtUtils]: Spent 41.43s on a formula simplification that was a NOOP. DAG size: 1875 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-15 00:51:43,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 00:51:48,909 INFO L244 Elim1Store]: Index analysis took 423 ms