/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.08.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 04:20:31,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 04:20:31,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 04:20:31,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 04:20:31,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 04:20:31,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 04:20:31,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 04:20:31,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 04:20:31,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 04:20:31,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 04:20:31,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 04:20:31,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 04:20:31,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 04:20:31,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 04:20:31,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 04:20:31,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 04:20:31,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 04:20:31,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 04:20:31,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 04:20:31,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 04:20:31,761 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 04:20:31,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 04:20:31,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 04:20:31,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 04:20:31,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 04:20:31,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-05 04:20:31,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-05 04:20:31,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-05 04:20:31,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-05 04:20:31,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-05 04:20:31,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-04-05 04:20:31,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 04:20:31,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 04:20:31,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 04:20:31,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 04:20:31,792 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 04:20:31,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 04:20:31,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 04:20:31,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 04:20:31,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 04:20:31,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 04:20:31,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 04:20:31,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 04:20:31,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 04:20:31,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 04:20:31,795 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 04:20:31,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 04:20:31,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 04:20:31,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 04:20:31,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 04:20:31,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 04:20:31,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 04:20:31,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 04:20:31,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:20:31,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 04:20:31,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 04:20:31,798 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 04:20:31,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 04:20:32,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 04:20:32,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 04:20:32,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 04:20:32,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 04:20:32,067 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 04:20:32,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-1.c [2022-04-05 04:20:32,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa7bd5e/3797b3b143444f778ae27acd18013b07/FLAGd3c9c3ac8 [2022-04-05 04:20:32,730 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 04:20:32,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-1.c [2022-04-05 04:20:32,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa7bd5e/3797b3b143444f778ae27acd18013b07/FLAGd3c9c3ac8 [2022-04-05 04:20:33,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa7bd5e/3797b3b143444f778ae27acd18013b07 [2022-04-05 04:20:33,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 04:20:33,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 04:20:33,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 04:20:33,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 04:20:33,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 04:20:33,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24026671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33, skipping insertion in model container [2022-04-05 04:20:33,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 04:20:33,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 04:20:33,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-1.c[74696,74709] [2022-04-05 04:20:33,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:20:33,469 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 04:20:33,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-1.c[74696,74709] [2022-04-05 04:20:33,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:20:33,601 INFO L208 MainTranslator]: Completed translation [2022-04-05 04:20:33,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33 WrapperNode [2022-04-05 04:20:33,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 04:20:33,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 04:20:33,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 04:20:33,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 04:20:33,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 04:20:33,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 04:20:33,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 04:20:33,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 04:20:33,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (1/1) ... [2022-04-05 04:20:33,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:20:33,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:20:33,793 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) [2022-04-05 04:20:33,819 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 [2022-04-05 04:20:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 04:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 04:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 04:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-04-05 04:20:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-04-05 04:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 04:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-05 04:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-04-05 04:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-05 04:20:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-04-05 04:20:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 04:20:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 04:20:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 04:20:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 04:20:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-05 04:20:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-05 04:20:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 04:20:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-04-05 04:20:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-04-05 04:20:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-04-05 04:20:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 04:20:34,050 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 04:20:34,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 04:20:34,753 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 04:20:35,301 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-04-05 04:20:35,301 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-04-05 04:20:35,321 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 04:20:35,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 04:20:35,333 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 04:20:35,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:20:35 BoogieIcfgContainer [2022-04-05 04:20:35,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 04:20:35,337 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 04:20:35,337 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 04:20:35,338 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 04:20:35,341 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:20:35" (1/1) ... [2022-04-05 04:20:35,343 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 04:20:35,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:20:35 BasicIcfg [2022-04-05 04:20:35,417 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 04:20:35,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 04:20:35,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 04:20:35,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 04:20:35,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:20:33" (1/4) ... [2022-04-05 04:20:35,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a54de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:20:35, skipping insertion in model container [2022-04-05 04:20:35,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:20:33" (2/4) ... [2022-04-05 04:20:35,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a54de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:20:35, skipping insertion in model container [2022-04-05 04:20:35,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:20:35" (3/4) ... [2022-04-05 04:20:35,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a54de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:20:35, skipping insertion in model container [2022-04-05 04:20:35,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:20:35" (4/4) ... [2022-04-05 04:20:35,428 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.08.i.cil-1.cJordan [2022-04-05 04:20:35,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 04:20:35,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 04:20:35,481 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 04:20:35,487 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-05 04:20:35,487 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 04:20:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 151 states have (on average 1.7086092715231789) internal successors, (258), 152 states have internal predecessors, (258), 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) [2022-04-05 04:20:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-05 04:20:35,515 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:20:35,516 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:20:35,516 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:20:35,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:20:35,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1946519082, now seen corresponding path program 1 times [2022-04-05 04:20:35,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:20:35,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480832481] [2022-04-05 04:20:35,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:20:35,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:20:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:20:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:20:36,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:20:36,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480832481] [2022-04-05 04:20:36,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480832481] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:20:36,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:20:36,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:20:36,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387022335] [2022-04-05 04:20:36,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:20:36,087 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:20:36,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:20:36,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:20:36,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:20:36,126 INFO L87 Difference]: Start difference. First operand has 159 states, 151 states have (on average 1.7086092715231789) internal successors, (258), 152 states have internal predecessors, (258), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:20:38,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:20:40,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:20:43,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:20:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:20:43,759 INFO L93 Difference]: Finished difference Result 192 states and 314 transitions. [2022-04-05 04:20:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:20:43,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-05 04:20:43,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:20:43,774 INFO L225 Difference]: With dead ends: 192 [2022-04-05 04:20:43,774 INFO L226 Difference]: Without dead ends: 171 [2022-04-05 04:20:43,775 INFO L912 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 [2022-04-05 04:20:43,778 INFO L913 BasicCegarLoop]: 231 mSDtfsCounter, 34 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-04-05 04:20:43,779 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 613 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 415 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-04-05 04:20:43,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-04-05 04:20:43,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 154. [2022-04-05 04:20:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 149 states have (on average 1.5570469798657718) internal successors, (232), 149 states have internal predecessors, (232), 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) [2022-04-05 04:20:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 236 transitions. [2022-04-05 04:20:43,819 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 236 transitions. Word has length 50 [2022-04-05 04:20:43,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:20:43,820 INFO L478 AbstractCegarLoop]: Abstraction has 154 states and 236 transitions. [2022-04-05 04:20:43,820 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:20:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2022-04-05 04:20:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-05 04:20:43,822 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:20:43,823 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:20:43,823 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 04:20:43,823 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:20:43,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:20:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash 888216424, now seen corresponding path program 1 times [2022-04-05 04:20:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:20:43,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463560793] [2022-04-05 04:20:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:20:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:20:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:20:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:20:43,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:20:43,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463560793] [2022-04-05 04:20:43,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463560793] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:20:43,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:20:43,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:20:43,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139932014] [2022-04-05 04:20:43,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:20:43,983 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:20:43,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:20:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:20:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:20:43,984 INFO L87 Difference]: Start difference. First operand 154 states and 236 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:20:45,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:20:47,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:20:48,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:20:49,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:20:49,702 INFO L93 Difference]: Finished difference Result 272 states and 418 transitions. [2022-04-05 04:20:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:20:49,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-04-05 04:20:49,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:20:49,705 INFO L225 Difference]: With dead ends: 272 [2022-04-05 04:20:49,705 INFO L226 Difference]: Without dead ends: 272 [2022-04-05 04:20:49,706 INFO L912 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 [2022-04-05 04:20:49,707 INFO L913 BasicCegarLoop]: 263 mSDtfsCounter, 145 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-04-05 04:20:49,707 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 636 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-04-05 04:20:49,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-04-05 04:20:49,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 170. [2022-04-05 04:20:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 165 states have (on average 1.5575757575757576) internal successors, (257), 165 states have internal predecessors, (257), 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) [2022-04-05 04:20:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 261 transitions. [2022-04-05 04:20:49,721 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 261 transitions. Word has length 63 [2022-04-05 04:20:49,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:20:49,721 INFO L478 AbstractCegarLoop]: Abstraction has 170 states and 261 transitions. [2022-04-05 04:20:49,721 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:20:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 261 transitions. [2022-04-05 04:20:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 04:20:49,723 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:20:49,723 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:20:49,724 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 04:20:49,724 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:20:49,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:20:49,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1909217456, now seen corresponding path program 1 times [2022-04-05 04:20:49,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:20:49,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002959298] [2022-04-05 04:20:49,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:20:49,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:20:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:49,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:20:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:20:49,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:20:49,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002959298] [2022-04-05 04:20:49,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002959298] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:20:49,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:20:49,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:20:49,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243757970] [2022-04-05 04:20:49,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:20:49,964 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:20:49,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:20:49,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:20:49,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:20:49,965 INFO L87 Difference]: Start difference. First operand 170 states and 261 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) [2022-04-05 04:20:52,667 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 [] [2022-04-05 04:20:55,633 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 [] [2022-04-05 04:20:56,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:20:56,226 INFO L93 Difference]: Finished difference Result 287 states and 441 transitions. [2022-04-05 04:20:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:20:56,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-05 04:20:56,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:20:56,228 INFO L225 Difference]: With dead ends: 287 [2022-04-05 04:20:56,228 INFO L226 Difference]: Without dead ends: 287 [2022-04-05 04:20:56,229 INFO L912 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 [2022-04-05 04:20:56,230 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 150 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:20:56,230 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 476 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-04-05 04:20:56,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-04-05 04:20:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 181. [2022-04-05 04:20:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 176 states have (on average 1.5397727272727273) internal successors, (271), 176 states have internal predecessors, (271), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:20:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 275 transitions. [2022-04-05 04:20:56,240 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 275 transitions. Word has length 64 [2022-04-05 04:20:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:20:56,241 INFO L478 AbstractCegarLoop]: Abstraction has 181 states and 275 transitions. [2022-04-05 04:20:56,241 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:20:56,241 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 275 transitions. [2022-04-05 04:20:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 04:20:56,243 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:20:56,243 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:20:56,243 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 04:20:56,243 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:20:56,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:20:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1031303024, now seen corresponding path program 1 times [2022-04-05 04:20:56,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:20:56,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003738962] [2022-04-05 04:20:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:20:56,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:20:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:20:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:20:56,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:20:56,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:20:56,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003738962] [2022-04-05 04:20:56,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003738962] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:20:56,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:20:56,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:20:56,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120538333] [2022-04-05 04:20:56,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:20:56,419 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:20:56,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:20:56,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:20:56,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:20:56,420 INFO L87 Difference]: Start difference. First operand 181 states and 275 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:20:59,104 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 [] [2022-04-05 04:21:01,928 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 [] [2022-04-05 04:21:02,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:02,520 INFO L93 Difference]: Finished difference Result 287 states and 438 transitions. [2022-04-05 04:21:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:02,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-05 04:21:02,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:02,523 INFO L225 Difference]: With dead ends: 287 [2022-04-05 04:21:02,523 INFO L226 Difference]: Without dead ends: 287 [2022-04-05 04:21:02,523 INFO L912 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 [2022-04-05 04:21:02,525 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 148 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:02,525 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 475 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-04-05 04:21:02,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-04-05 04:21:02,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 182. [2022-04-05 04:21:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5254237288135593) internal successors, (270), 177 states have internal predecessors, (270), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 274 transitions. [2022-04-05 04:21:02,538 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 274 transitions. Word has length 64 [2022-04-05 04:21:02,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:02,538 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 274 transitions. [2022-04-05 04:21:02,538 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 274 transitions. [2022-04-05 04:21:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 04:21:02,540 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:02,540 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:02,540 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 04:21:02,541 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:02,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:02,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1335121200, now seen corresponding path program 1 times [2022-04-05 04:21:02,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:02,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703330035] [2022-04-05 04:21:02,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:02,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:02,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703330035] [2022-04-05 04:21:02,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703330035] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:02,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:02,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:02,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447171516] [2022-04-05 04:21:02,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:02,727 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:02,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:02,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:02,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:02,728 INFO L87 Difference]: Start difference. First operand 182 states and 274 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:04,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:06,133 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 [] [2022-04-05 04:21:07,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:07,778 INFO L93 Difference]: Finished difference Result 197 states and 292 transitions. [2022-04-05 04:21:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:07,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-05 04:21:07,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:07,780 INFO L225 Difference]: With dead ends: 197 [2022-04-05 04:21:07,780 INFO L226 Difference]: Without dead ends: 197 [2022-04-05 04:21:07,780 INFO L912 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 [2022-04-05 04:21:07,781 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 19 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:07,782 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 493 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-04-05 04:21:07,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-04-05 04:21:07,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 182. [2022-04-05 04:21:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5197740112994351) internal successors, (269), 177 states have internal predecessors, (269), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 273 transitions. [2022-04-05 04:21:07,788 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 273 transitions. Word has length 64 [2022-04-05 04:21:07,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:07,788 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 273 transitions. [2022-04-05 04:21:07,788 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2022-04-05 04:21:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-05 04:21:07,790 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:07,790 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:07,790 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-05 04:21:07,791 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:07,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:07,791 INFO L85 PathProgramCache]: Analyzing trace with hash -25859152, now seen corresponding path program 1 times [2022-04-05 04:21:07,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:07,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779846040] [2022-04-05 04:21:07,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:07,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:07,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:07,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779846040] [2022-04-05 04:21:07,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779846040] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:07,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:07,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:07,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084917826] [2022-04-05 04:21:07,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:07,947 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:07,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:07,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:07,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:07,948 INFO L87 Difference]: Start difference. First operand 182 states and 273 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:09,353 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 [] [2022-04-05 04:21:12,456 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 [] [2022-04-05 04:21:12,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:12,954 INFO L93 Difference]: Finished difference Result 195 states and 289 transitions. [2022-04-05 04:21:12,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:12,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-05 04:21:12,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:12,956 INFO L225 Difference]: With dead ends: 195 [2022-04-05 04:21:12,956 INFO L226 Difference]: Without dead ends: 195 [2022-04-05 04:21:12,957 INFO L912 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 [2022-04-05 04:21:12,957 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 19 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:12,958 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 497 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 357 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-04-05 04:21:12,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-05 04:21:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 182. [2022-04-05 04:21:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5141242937853108) internal successors, (268), 177 states have internal predecessors, (268), 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) [2022-04-05 04:21:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 272 transitions. [2022-04-05 04:21:12,963 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 272 transitions. Word has length 64 [2022-04-05 04:21:12,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:12,964 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 272 transitions. [2022-04-05 04:21:12,964 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 272 transitions. [2022-04-05 04:21:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-05 04:21:12,965 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:12,965 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:12,966 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-05 04:21:12,966 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:12,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:12,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1757731560, now seen corresponding path program 1 times [2022-04-05 04:21:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:12,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658886552] [2022-04-05 04:21:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:12,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:13,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:13,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658886552] [2022-04-05 04:21:13,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658886552] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:13,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:13,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:13,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008609241] [2022-04-05 04:21:13,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:13,120 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:13,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:13,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:13,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:13,121 INFO L87 Difference]: Start difference. First operand 182 states and 272 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) [2022-04-05 04:21:16,086 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 [] [2022-04-05 04:21:18,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:20,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:20,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:20,548 INFO L93 Difference]: Finished difference Result 195 states and 288 transitions. [2022-04-05 04:21:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:20,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-04-05 04:21:20,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:20,552 INFO L225 Difference]: With dead ends: 195 [2022-04-05 04:21:20,552 INFO L226 Difference]: Without dead ends: 195 [2022-04-05 04:21:20,553 INFO L912 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 [2022-04-05 04:21:20,553 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 22 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:20,554 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 497 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 355 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2022-04-05 04:21:20,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-05 04:21:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 182. [2022-04-05 04:21:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.5084745762711864) internal successors, (267), 177 states have internal predecessors, (267), 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) [2022-04-05 04:21:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 271 transitions. [2022-04-05 04:21:20,558 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 271 transitions. Word has length 65 [2022-04-05 04:21:20,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:20,558 INFO L478 AbstractCegarLoop]: Abstraction has 182 states and 271 transitions. [2022-04-05 04:21:20,559 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 271 transitions. [2022-04-05 04:21:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-05 04:21:20,559 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:20,559 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:20,560 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-05 04:21:20,560 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:20,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2096002932, now seen corresponding path program 1 times [2022-04-05 04:21:20,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:20,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210202088] [2022-04-05 04:21:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:20,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:20,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210202088] [2022-04-05 04:21:20,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210202088] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:20,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:20,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:20,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567710545] [2022-04-05 04:21:20,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:20,683 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:20,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:20,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:20,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:20,687 INFO L87 Difference]: Start difference. First operand 182 states and 271 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) [2022-04-05 04:21:23,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:25,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:27,262 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 [] [2022-04-05 04:21:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:27,751 INFO L93 Difference]: Finished difference Result 287 states and 432 transitions. [2022-04-05 04:21:27,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:27,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-05 04:21:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:27,759 INFO L225 Difference]: With dead ends: 287 [2022-04-05 04:21:27,759 INFO L226 Difference]: Without dead ends: 287 [2022-04-05 04:21:27,759 INFO L912 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 [2022-04-05 04:21:27,760 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 145 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 63 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:27,760 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 474 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2022-04-05 04:21:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-04-05 04:21:27,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 184. [2022-04-05 04:21:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.4972067039106145) internal successors, (268), 179 states have internal predecessors, (268), 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) [2022-04-05 04:21:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 272 transitions. [2022-04-05 04:21:27,766 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 272 transitions. Word has length 66 [2022-04-05 04:21:27,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:27,766 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 272 transitions. [2022-04-05 04:21:27,767 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 272 transitions. [2022-04-05 04:21:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-05 04:21:27,767 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:27,767 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:27,768 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-05 04:21:27,768 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:27,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:27,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1315364651, now seen corresponding path program 1 times [2022-04-05 04:21:27,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:27,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012837496] [2022-04-05 04:21:27,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:27,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:27,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012837496] [2022-04-05 04:21:27,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012837496] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:27,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:27,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:27,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945289121] [2022-04-05 04:21:27,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:27,904 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:27,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:27,905 INFO L87 Difference]: Start difference. First operand 184 states and 272 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) [2022-04-05 04:21:29,919 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 [] [2022-04-05 04:21:30,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:30,246 INFO L93 Difference]: Finished difference Result 187 states and 275 transitions. [2022-04-05 04:21:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:30,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-05 04:21:30,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:30,248 INFO L225 Difference]: With dead ends: 187 [2022-04-05 04:21:30,248 INFO L226 Difference]: Without dead ends: 187 [2022-04-05 04:21:30,248 INFO L912 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 [2022-04-05 04:21:30,248 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 11 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:30,249 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 511 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 340 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-04-05 04:21:30,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-04-05 04:21:30,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2022-04-05 04:21:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 179 states have internal predecessors, (267), 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) [2022-04-05 04:21:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 271 transitions. [2022-04-05 04:21:30,254 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 271 transitions. Word has length 67 [2022-04-05 04:21:30,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:30,254 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 271 transitions. [2022-04-05 04:21:30,254 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2022-04-05 04:21:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-05 04:21:30,255 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:30,256 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:30,256 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-05 04:21:30,256 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:30,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:30,256 INFO L85 PathProgramCache]: Analyzing trace with hash 972914138, now seen corresponding path program 1 times [2022-04-05 04:21:30,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:30,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036338140] [2022-04-05 04:21:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:30,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:30,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:30,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036338140] [2022-04-05 04:21:30,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036338140] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:30,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:30,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:30,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948743791] [2022-04-05 04:21:30,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:30,407 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:30,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:30,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:30,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:30,408 INFO L87 Difference]: Start difference. First operand 184 states and 271 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) [2022-04-05 04:21:32,423 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 [] [2022-04-05 04:21:32,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:32,919 INFO L93 Difference]: Finished difference Result 226 states and 331 transitions. [2022-04-05 04:21:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:32,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-05 04:21:32,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:32,921 INFO L225 Difference]: With dead ends: 226 [2022-04-05 04:21:32,921 INFO L226 Difference]: Without dead ends: 226 [2022-04-05 04:21:32,921 INFO L912 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 [2022-04-05 04:21:32,922 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 30 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:32,922 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 511 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:21:32,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-04-05 04:21:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 206. [2022-04-05 04:21:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.4975124378109452) internal successors, (301), 201 states have internal predecessors, (301), 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) [2022-04-05 04:21:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 305 transitions. [2022-04-05 04:21:32,928 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 305 transitions. Word has length 67 [2022-04-05 04:21:32,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:32,928 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 305 transitions. [2022-04-05 04:21:32,929 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 305 transitions. [2022-04-05 04:21:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-04-05 04:21:32,934 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:32,934 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:32,934 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-05 04:21:32,934 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:32,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:32,935 INFO L85 PathProgramCache]: Analyzing trace with hash -230336556, now seen corresponding path program 1 times [2022-04-05 04:21:32,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:32,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064644460] [2022-04-05 04:21:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:33,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:33,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064644460] [2022-04-05 04:21:33,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064644460] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:33,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:33,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:33,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428380364] [2022-04-05 04:21:33,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:33,071 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:33,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:33,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:33,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:33,072 INFO L87 Difference]: Start difference. First operand 206 states and 305 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) [2022-04-05 04:21:34,252 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 [] [2022-04-05 04:21:36,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:38,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:40,044 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 [] [2022-04-05 04:21:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:40,400 INFO L93 Difference]: Finished difference Result 225 states and 329 transitions. [2022-04-05 04:21:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:40,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2022-04-05 04:21:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:40,401 INFO L225 Difference]: With dead ends: 225 [2022-04-05 04:21:40,401 INFO L226 Difference]: Without dead ends: 225 [2022-04-05 04:21:40,402 INFO L912 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 [2022-04-05 04:21:40,402 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:40,403 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 513 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 393 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-04-05 04:21:40,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-04-05 04:21:40,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 206. [2022-04-05 04:21:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.492537313432836) internal successors, (300), 201 states have internal predecessors, (300), 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) [2022-04-05 04:21:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 304 transitions. [2022-04-05 04:21:40,408 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 304 transitions. Word has length 81 [2022-04-05 04:21:40,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:40,408 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 304 transitions. [2022-04-05 04:21:40,408 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 304 transitions. [2022-04-05 04:21:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-04-05 04:21:40,409 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:40,409 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:40,409 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-05 04:21:40,410 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:40,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:40,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1078925492, now seen corresponding path program 1 times [2022-04-05 04:21:40,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:40,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677634631] [2022-04-05 04:21:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:40,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:40,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:40,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:40,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677634631] [2022-04-05 04:21:40,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677634631] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:40,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:40,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:40,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197295078] [2022-04-05 04:21:40,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:40,527 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:40,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:40,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:40,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:40,527 INFO L87 Difference]: Start difference. First operand 206 states and 304 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) [2022-04-05 04:21:41,657 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 [] [2022-04-05 04:21:43,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:45,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:46,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:47,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:47,203 INFO L93 Difference]: Finished difference Result 223 states and 326 transitions. [2022-04-05 04:21:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:47,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2022-04-05 04:21:47,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:47,204 INFO L225 Difference]: With dead ends: 223 [2022-04-05 04:21:47,204 INFO L226 Difference]: Without dead ends: 223 [2022-04-05 04:21:47,205 INFO L912 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 [2022-04-05 04:21:47,205 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 33 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:47,206 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 517 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 389 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-04-05 04:21:47,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-04-05 04:21:47,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 206. [2022-04-05 04:21:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.4875621890547264) internal successors, (299), 201 states have internal predecessors, (299), 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) [2022-04-05 04:21:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 303 transitions. [2022-04-05 04:21:47,210 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 303 transitions. Word has length 81 [2022-04-05 04:21:47,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:47,212 INFO L478 AbstractCegarLoop]: Abstraction has 206 states and 303 transitions. [2022-04-05 04:21:47,212 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 303 transitions. [2022-04-05 04:21:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-04-05 04:21:47,213 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:47,213 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:47,213 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-05 04:21:47,213 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:47,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:47,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1646317156, now seen corresponding path program 1 times [2022-04-05 04:21:47,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:47,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905074323] [2022-04-05 04:21:47,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:47,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-05 04:21:47,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:47,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905074323] [2022-04-05 04:21:47,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905074323] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:47,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:47,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:47,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730910172] [2022-04-05 04:21:47,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:47,341 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:47,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:47,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:47,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:47,341 INFO L87 Difference]: Start difference. First operand 206 states and 303 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:50,809 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 [] [2022-04-05 04:21:52,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:52,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:52,921 INFO L93 Difference]: Finished difference Result 220 states and 321 transitions. [2022-04-05 04:21:52,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:52,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2022-04-05 04:21:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:52,922 INFO L225 Difference]: With dead ends: 220 [2022-04-05 04:21:52,923 INFO L226 Difference]: Without dead ends: 220 [2022-04-05 04:21:52,923 INFO L912 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 [2022-04-05 04:21:52,923 INFO L913 BasicCegarLoop]: 229 mSDtfsCounter, 19 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:52,924 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 574 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-04-05 04:21:52,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-04-05 04:21:52,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2022-04-05 04:21:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.4876847290640394) internal successors, (302), 203 states have internal predecessors, (302), 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) [2022-04-05 04:21:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 306 transitions. [2022-04-05 04:21:52,929 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 306 transitions. Word has length 82 [2022-04-05 04:21:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:52,929 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 306 transitions. [2022-04-05 04:21:52,929 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:52,929 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 306 transitions. [2022-04-05 04:21:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-04-05 04:21:52,930 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:52,930 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:52,930 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-05 04:21:52,930 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:52,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:52,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2019421135, now seen corresponding path program 1 times [2022-04-05 04:21:52,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:52,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301818815] [2022-04-05 04:21:52,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:52,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:21:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:21:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:21:53,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:21:53,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301818815] [2022-04-05 04:21:53,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301818815] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:21:53,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:21:53,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:21:53,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195012587] [2022-04-05 04:21:53,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:21:53,063 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:21:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:21:53,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:21:53,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:21:53,065 INFO L87 Difference]: Start difference. First operand 208 states and 306 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:55,005 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 [] [2022-04-05 04:21:56,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:59,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:21:59,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:21:59,925 INFO L93 Difference]: Finished difference Result 309 states and 459 transitions. [2022-04-05 04:21:59,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:21:59,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-04-05 04:21:59,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:21:59,927 INFO L225 Difference]: With dead ends: 309 [2022-04-05 04:21:59,927 INFO L226 Difference]: Without dead ends: 309 [2022-04-05 04:21:59,927 INFO L912 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 [2022-04-05 04:21:59,928 INFO L913 BasicCegarLoop]: 120 mSDtfsCounter, 146 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-04-05 04:21:59,928 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 350 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-04-05 04:21:59,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-04-05 04:21:59,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 208. [2022-04-05 04:21:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.4729064039408868) internal successors, (299), 203 states have internal predecessors, (299), 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) [2022-04-05 04:21:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 303 transitions. [2022-04-05 04:21:59,933 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 303 transitions. Word has length 83 [2022-04-05 04:21:59,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:21:59,934 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 303 transitions. [2022-04-05 04:21:59,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:21:59,934 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2022-04-05 04:21:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-05 04:21:59,935 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:21:59,935 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:21:59,935 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-05 04:21:59,935 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:21:59,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:21:59,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1213038316, now seen corresponding path program 1 times [2022-04-05 04:21:59,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:21:59,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577823400] [2022-04-05 04:21:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:21:59,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:21:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:22:00,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:00,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577823400] [2022-04-05 04:22:00,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577823400] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:00,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:00,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:00,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696696560] [2022-04-05 04:22:00,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:00,059 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:00,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:00,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:00,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:00,059 INFO L87 Difference]: Start difference. First operand 208 states and 303 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) [2022-04-05 04:22:01,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:03,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:04,683 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 [] [2022-04-05 04:22:05,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:05,862 INFO L93 Difference]: Finished difference Result 299 states and 443 transitions. [2022-04-05 04:22:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 85 [2022-04-05 04:22:05,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:05,864 INFO L225 Difference]: With dead ends: 299 [2022-04-05 04:22:05,864 INFO L226 Difference]: Without dead ends: 299 [2022-04-05 04:22:05,864 INFO L912 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 [2022-04-05 04:22:05,865 INFO L913 BasicCegarLoop]: 128 mSDtfsCounter, 136 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 57 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:05,865 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 366 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 463 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-04-05 04:22:05,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-04-05 04:22:05,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 208. [2022-04-05 04:22:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 203 states have (on average 1.458128078817734) internal successors, (296), 203 states have internal predecessors, (296), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:05,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 300 transitions. [2022-04-05 04:22:05,870 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 300 transitions. Word has length 85 [2022-04-05 04:22:05,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:05,870 INFO L478 AbstractCegarLoop]: Abstraction has 208 states and 300 transitions. [2022-04-05 04:22:05,870 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 300 transitions. [2022-04-05 04:22:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-04-05 04:22:05,871 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:05,871 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:05,873 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-05 04:22:05,873 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:05,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:05,874 INFO L85 PathProgramCache]: Analyzing trace with hash 733553435, now seen corresponding path program 1 times [2022-04-05 04:22:05,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:05,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253191400] [2022-04-05 04:22:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:05,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 04:22:06,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:06,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253191400] [2022-04-05 04:22:06,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253191400] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:06,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:06,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:06,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406167371] [2022-04-05 04:22:06,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:06,013 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:06,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:06,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:06,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:06,014 INFO L87 Difference]: Start difference. First operand 208 states and 300 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:08,028 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 [] [2022-04-05 04:22:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:08,615 INFO L93 Difference]: Finished difference Result 305 states and 446 transitions. [2022-04-05 04:22:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:08,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 89 [2022-04-05 04:22:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:08,617 INFO L225 Difference]: With dead ends: 305 [2022-04-05 04:22:08,617 INFO L226 Difference]: Without dead ends: 305 [2022-04-05 04:22:08,618 INFO L912 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 [2022-04-05 04:22:08,618 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 84 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:08,619 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 499 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 519 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-04-05 04:22:08,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-04-05 04:22:08,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 249. [2022-04-05 04:22:08,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.4918032786885247) internal successors, (364), 244 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) [2022-04-05 04:22:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 368 transitions. [2022-04-05 04:22:08,624 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 368 transitions. Word has length 89 [2022-04-05 04:22:08,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:08,625 INFO L478 AbstractCegarLoop]: Abstraction has 249 states and 368 transitions. [2022-04-05 04:22:08,625 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 368 transitions. [2022-04-05 04:22:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-04-05 04:22:08,626 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:08,626 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:08,626 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-05 04:22:08,626 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:08,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:08,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1202106852, now seen corresponding path program 1 times [2022-04-05 04:22:08,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:08,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940007797] [2022-04-05 04:22:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 04:22:08,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:08,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940007797] [2022-04-05 04:22:08,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940007797] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:08,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:08,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:08,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043520301] [2022-04-05 04:22:08,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:08,775 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:08,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:08,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:08,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:08,776 INFO L87 Difference]: Start difference. First operand 249 states and 368 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:10,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:12,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:14,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:15,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:16,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:16,059 INFO L93 Difference]: Finished difference Result 357 states and 532 transitions. [2022-04-05 04:22:16,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:16,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 89 [2022-04-05 04:22:16,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:16,064 INFO L225 Difference]: With dead ends: 357 [2022-04-05 04:22:16,064 INFO L226 Difference]: Without dead ends: 357 [2022-04-05 04:22:16,064 INFO L912 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 [2022-04-05 04:22:16,065 INFO L913 BasicCegarLoop]: 129 mSDtfsCounter, 111 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:16,065 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 368 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 466 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-04-05 04:22:16,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-04-05 04:22:16,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 248. [2022-04-05 04:22:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.4938271604938271) internal successors, (363), 243 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) [2022-04-05 04:22:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 367 transitions. [2022-04-05 04:22:16,070 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 367 transitions. Word has length 89 [2022-04-05 04:22:16,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:16,071 INFO L478 AbstractCegarLoop]: Abstraction has 248 states and 367 transitions. [2022-04-05 04:22:16,071 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 367 transitions. [2022-04-05 04:22:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-04-05 04:22:16,072 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:16,072 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:16,072 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-05 04:22:16,072 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:16,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash -2117392348, now seen corresponding path program 1 times [2022-04-05 04:22:16,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:16,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208385808] [2022-04-05 04:22:16,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:16,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 04:22:16,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:16,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208385808] [2022-04-05 04:22:16,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208385808] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:16,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:16,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:16,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636904466] [2022-04-05 04:22:16,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:16,205 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:16,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:16,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:16,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:16,205 INFO L87 Difference]: Start difference. First operand 248 states and 367 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:18,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:20,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:22,834 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 [] [2022-04-05 04:22:23,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:23,304 INFO L93 Difference]: Finished difference Result 337 states and 501 transitions. [2022-04-05 04:22:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2022-04-05 04:22:23,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:23,306 INFO L225 Difference]: With dead ends: 337 [2022-04-05 04:22:23,306 INFO L226 Difference]: Without dead ends: 337 [2022-04-05 04:22:23,306 INFO L912 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 [2022-04-05 04:22:23,307 INFO L913 BasicCegarLoop]: 183 mSDtfsCounter, 73 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:23,307 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 483 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 503 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-04-05 04:22:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-04-05 04:22:23,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2022-04-05 04:22:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 285 states have (on average 1.5157894736842106) internal successors, (432), 285 states have internal predecessors, (432), 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) [2022-04-05 04:22:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 436 transitions. [2022-04-05 04:22:23,313 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 436 transitions. Word has length 90 [2022-04-05 04:22:23,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:23,313 INFO L478 AbstractCegarLoop]: Abstraction has 290 states and 436 transitions. [2022-04-05 04:22:23,313 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 436 transitions. [2022-04-05 04:22:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-04-05 04:22:23,314 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:23,314 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:23,314 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-05 04:22:23,314 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:23,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1993319101, now seen corresponding path program 1 times [2022-04-05 04:22:23,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:23,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626636882] [2022-04-05 04:22:23,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:23,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 04:22:23,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:23,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626636882] [2022-04-05 04:22:23,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626636882] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:23,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:23,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:23,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669495279] [2022-04-05 04:22:23,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:23,447 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:23,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:23,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:23,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:23,448 INFO L87 Difference]: Start difference. First operand 290 states and 436 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:24,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:26,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:27,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:28,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:28,796 INFO L93 Difference]: Finished difference Result 328 states and 490 transitions. [2022-04-05 04:22:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:28,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2022-04-05 04:22:28,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:28,798 INFO L225 Difference]: With dead ends: 328 [2022-04-05 04:22:28,798 INFO L226 Difference]: Without dead ends: 328 [2022-04-05 04:22:28,798 INFO L912 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 [2022-04-05 04:22:28,799 INFO L913 BasicCegarLoop]: 239 mSDtfsCounter, 27 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:28,799 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 593 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-04-05 04:22:28,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-04-05 04:22:28,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 314. [2022-04-05 04:22:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5145631067961165) internal successors, (468), 309 states have internal predecessors, (468), 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) [2022-04-05 04:22:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 472 transitions. [2022-04-05 04:22:28,805 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 472 transitions. Word has length 90 [2022-04-05 04:22:28,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:28,805 INFO L478 AbstractCegarLoop]: Abstraction has 314 states and 472 transitions. [2022-04-05 04:22:28,806 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 472 transitions. [2022-04-05 04:22:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-04-05 04:22:28,807 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:28,807 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:28,807 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-05 04:22:28,807 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash -676029654, now seen corresponding path program 1 times [2022-04-05 04:22:28,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:28,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328985062] [2022-04-05 04:22:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 04:22:28,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:28,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328985062] [2022-04-05 04:22:28,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328985062] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:28,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:28,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:28,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749638532] [2022-04-05 04:22:28,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:28,941 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:28,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:28,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:28,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:28,942 INFO L87 Difference]: Start difference. First operand 314 states and 472 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) [2022-04-05 04:22:32,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:34,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:34,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:34,718 INFO L93 Difference]: Finished difference Result 404 states and 610 transitions. [2022-04-05 04:22:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:34,719 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 104 [2022-04-05 04:22:34,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:34,720 INFO L225 Difference]: With dead ends: 404 [2022-04-05 04:22:34,720 INFO L226 Difference]: Without dead ends: 404 [2022-04-05 04:22:34,720 INFO L912 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 [2022-04-05 04:22:34,721 INFO L913 BasicCegarLoop]: 130 mSDtfsCounter, 132 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 55 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:34,721 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 370 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 461 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-04-05 04:22:34,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-04-05 04:22:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 316. [2022-04-05 04:22:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.504823151125402) internal successors, (468), 311 states have internal predecessors, (468), 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) [2022-04-05 04:22:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 472 transitions. [2022-04-05 04:22:34,727 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 472 transitions. Word has length 104 [2022-04-05 04:22:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:34,727 INFO L478 AbstractCegarLoop]: Abstraction has 316 states and 472 transitions. [2022-04-05 04:22:34,728 INFO L479 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) [2022-04-05 04:22:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 472 transitions. [2022-04-05 04:22:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-04-05 04:22:34,729 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:34,729 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:34,729 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-05 04:22:34,729 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:34,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:34,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1256388170, now seen corresponding path program 1 times [2022-04-05 04:22:34,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:34,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882076980] [2022-04-05 04:22:34,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:34,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 04:22:34,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:34,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882076980] [2022-04-05 04:22:34,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882076980] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:34,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:34,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:34,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302384484] [2022-04-05 04:22:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:34,850 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:34,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:34,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:34,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:34,850 INFO L87 Difference]: Start difference. First operand 316 states and 472 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) [2022-04-05 04:22:36,860 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 [] [2022-04-05 04:22:37,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:37,317 INFO L93 Difference]: Finished difference Result 404 states and 606 transitions. [2022-04-05 04:22:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:37,318 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 104 [2022-04-05 04:22:37,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:37,319 INFO L225 Difference]: With dead ends: 404 [2022-04-05 04:22:37,319 INFO L226 Difference]: Without dead ends: 404 [2022-04-05 04:22:37,320 INFO L912 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 [2022-04-05 04:22:37,320 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 132 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:37,320 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 374 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:22:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-04-05 04:22:37,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 316. [2022-04-05 04:22:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.4919614147909968) internal successors, (464), 311 states have internal predecessors, (464), 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) [2022-04-05 04:22:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 468 transitions. [2022-04-05 04:22:37,327 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 468 transitions. Word has length 104 [2022-04-05 04:22:37,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:37,328 INFO L478 AbstractCegarLoop]: Abstraction has 316 states and 468 transitions. [2022-04-05 04:22:37,328 INFO L479 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) [2022-04-05 04:22:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 468 transitions. [2022-04-05 04:22:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-05 04:22:37,329 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:37,329 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:37,329 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-05 04:22:37,329 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:37,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:37,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1066855646, now seen corresponding path program 1 times [2022-04-05 04:22:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:37,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576022356] [2022-04-05 04:22:37,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-05 04:22:37,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:37,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576022356] [2022-04-05 04:22:37,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576022356] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:37,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:37,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:37,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011275605] [2022-04-05 04:22:37,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:37,453 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:37,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:37,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:37,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:37,454 INFO L87 Difference]: Start difference. First operand 316 states and 468 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:38,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:39,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:41,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:43,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:43,758 INFO L93 Difference]: Finished difference Result 404 states and 603 transitions. [2022-04-05 04:22:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:22:43,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2022-04-05 04:22:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:43,761 INFO L225 Difference]: With dead ends: 404 [2022-04-05 04:22:43,761 INFO L226 Difference]: Without dead ends: 404 [2022-04-05 04:22:43,761 INFO L912 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 [2022-04-05 04:22:43,761 INFO L913 BasicCegarLoop]: 137 mSDtfsCounter, 124 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:43,762 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 384 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 471 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-04-05 04:22:43,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-04-05 04:22:43,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 322. [2022-04-05 04:22:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 317 states have (on average 1.4921135646687698) internal successors, (473), 317 states have internal predecessors, (473), 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) [2022-04-05 04:22:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 477 transitions. [2022-04-05 04:22:43,768 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 477 transitions. Word has length 112 [2022-04-05 04:22:43,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:43,768 INFO L478 AbstractCegarLoop]: Abstraction has 322 states and 477 transitions. [2022-04-05 04:22:43,768 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 477 transitions. [2022-04-05 04:22:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-05 04:22:43,770 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:43,770 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:43,770 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-05 04:22:43,770 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:43,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:43,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1053431553, now seen corresponding path program 1 times [2022-04-05 04:22:43,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:43,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537308508] [2022-04-05 04:22:43,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:43,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-04-05 04:22:43,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:43,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537308508] [2022-04-05 04:22:43,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537308508] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:43,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:43,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:22:43,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686530041] [2022-04-05 04:22:43,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:43,893 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:22:43,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:43,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:22:43,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:22:43,894 INFO L87 Difference]: Start difference. First operand 322 states and 477 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 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) [2022-04-05 04:22:45,833 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 [] [2022-04-05 04:22:47,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:48,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:49,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:49,196 INFO L93 Difference]: Finished difference Result 612 states and 908 transitions. [2022-04-05 04:22:49,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:22:49,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 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 112 [2022-04-05 04:22:49,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:49,199 INFO L225 Difference]: With dead ends: 612 [2022-04-05 04:22:49,199 INFO L226 Difference]: Without dead ends: 612 [2022-04-05 04:22:49,199 INFO L912 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 [2022-04-05 04:22:49,199 INFO L913 BasicCegarLoop]: 248 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:49,200 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 442 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 290 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-04-05 04:22:49,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2022-04-05 04:22:49,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2022-04-05 04:22:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 607 states have (on average 1.4892915980230643) internal successors, (904), 607 states have internal predecessors, (904), 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) [2022-04-05 04:22:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 908 transitions. [2022-04-05 04:22:49,209 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 908 transitions. Word has length 112 [2022-04-05 04:22:49,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:49,209 INFO L478 AbstractCegarLoop]: Abstraction has 612 states and 908 transitions. [2022-04-05 04:22:49,210 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 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) [2022-04-05 04:22:49,210 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 908 transitions. [2022-04-05 04:22:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-05 04:22:49,211 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:49,211 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:49,211 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-05 04:22:49,211 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1460035808, now seen corresponding path program 1 times [2022-04-05 04:22:49,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:49,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783093664] [2022-04-05 04:22:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:49,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-04-05 04:22:49,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:49,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783093664] [2022-04-05 04:22:49,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783093664] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:49,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:49,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:22:49,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952904552] [2022-04-05 04:22:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:49,312 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:22:49,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:49,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:22:49,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:22:49,313 INFO L87 Difference]: Start difference. First operand 612 states and 908 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 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) [2022-04-05 04:22:52,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:54,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:54,402 INFO L93 Difference]: Finished difference Result 639 states and 943 transitions. [2022-04-05 04:22:54,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:22:54,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 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 112 [2022-04-05 04:22:54,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:54,404 INFO L225 Difference]: With dead ends: 639 [2022-04-05 04:22:54,405 INFO L226 Difference]: Without dead ends: 639 [2022-04-05 04:22:54,405 INFO L912 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 [2022-04-05 04:22:54,405 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:54,406 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 419 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-04-05 04:22:54,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2022-04-05 04:22:54,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 639. [2022-04-05 04:22:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 634 states have (on average 1.4810725552050472) internal successors, (939), 634 states have internal predecessors, (939), 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) [2022-04-05 04:22:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 943 transitions. [2022-04-05 04:22:54,415 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 943 transitions. Word has length 112 [2022-04-05 04:22:54,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:54,415 INFO L478 AbstractCegarLoop]: Abstraction has 639 states and 943 transitions. [2022-04-05 04:22:54,415 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 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) [2022-04-05 04:22:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 943 transitions. [2022-04-05 04:22:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-04-05 04:22:54,417 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:54,417 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:22:54,417 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-05 04:22:54,418 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:54,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:54,418 INFO L85 PathProgramCache]: Analyzing trace with hash -291839553, now seen corresponding path program 1 times [2022-04-05 04:22:54,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:54,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872681839] [2022-04-05 04:22:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:54,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-04-05 04:22:54,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:54,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872681839] [2022-04-05 04:22:54,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872681839] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:54,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:54,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:22:54,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427843176] [2022-04-05 04:22:54,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:54,513 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:22:54,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:54,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:22:54,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:22:54,514 INFO L87 Difference]: Start difference. First operand 639 states and 943 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:56,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:58,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:22:59,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:22:59,206 INFO L93 Difference]: Finished difference Result 641 states and 945 transitions. [2022-04-05 04:22:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:22:59,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2022-04-05 04:22:59,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:22:59,209 INFO L225 Difference]: With dead ends: 641 [2022-04-05 04:22:59,209 INFO L226 Difference]: Without dead ends: 641 [2022-04-05 04:22:59,209 INFO L912 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 [2022-04-05 04:22:59,209 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-04-05 04:22:59,210 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 398 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-04-05 04:22:59,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-04-05 04:22:59,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2022-04-05 04:22:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 636 states have (on average 1.479559748427673) internal successors, (941), 636 states have internal predecessors, (941), 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) [2022-04-05 04:22:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 945 transitions. [2022-04-05 04:22:59,220 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 945 transitions. Word has length 112 [2022-04-05 04:22:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:22:59,220 INFO L478 AbstractCegarLoop]: Abstraction has 641 states and 945 transitions. [2022-04-05 04:22:59,220 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:22:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 945 transitions. [2022-04-05 04:22:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-04-05 04:22:59,222 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:22:59,222 INFO L499 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, 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] [2022-04-05 04:22:59,222 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-05 04:22:59,222 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:22:59,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:22:59,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1637338007, now seen corresponding path program 1 times [2022-04-05 04:22:59,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:22:59,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512763703] [2022-04-05 04:22:59,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:22:59,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:22:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:22:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:22:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:22:59,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:22:59,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512763703] [2022-04-05 04:22:59,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512763703] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:22:59,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:22:59,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:22:59,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119527614] [2022-04-05 04:22:59,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:22:59,350 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:22:59,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:22:59,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:22:59,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:22:59,351 INFO L87 Difference]: Start difference. First operand 641 states and 945 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:00,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:03,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:04,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:04,279 INFO L93 Difference]: Finished difference Result 728 states and 1075 transitions. [2022-04-05 04:23:04,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:04,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-04-05 04:23:04,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:04,282 INFO L225 Difference]: With dead ends: 728 [2022-04-05 04:23:04,282 INFO L226 Difference]: Without dead ends: 728 [2022-04-05 04:23:04,282 INFO L912 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 [2022-04-05 04:23:04,283 INFO L913 BasicCegarLoop]: 270 mSDtfsCounter, 70 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:04,283 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 654 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-04-05 04:23:04,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2022-04-05 04:23:04,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 641. [2022-04-05 04:23:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 636 states have (on average 1.479559748427673) internal successors, (941), 636 states have internal predecessors, (941), 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) [2022-04-05 04:23:04,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 945 transitions. [2022-04-05 04:23:04,293 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 945 transitions. Word has length 131 [2022-04-05 04:23:04,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:04,293 INFO L478 AbstractCegarLoop]: Abstraction has 641 states and 945 transitions. [2022-04-05 04:23:04,293 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 945 transitions. [2022-04-05 04:23:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-04-05 04:23:04,295 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:04,295 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 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, 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] [2022-04-05 04:23:04,295 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-05 04:23:04,296 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:04,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:04,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1649191585, now seen corresponding path program 1 times [2022-04-05 04:23:04,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:04,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493072710] [2022-04-05 04:23:04,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:04,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:04,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:04,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493072710] [2022-04-05 04:23:04,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493072710] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:04,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:04,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:04,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105154414] [2022-04-05 04:23:04,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:04,420 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:04,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:04,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:04,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:04,420 INFO L87 Difference]: Start difference. First operand 641 states and 945 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:07,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:10,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:10,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:10,556 INFO L93 Difference]: Finished difference Result 804 states and 1183 transitions. [2022-04-05 04:23:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:10,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (3), 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 [2022-04-05 04:23:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:10,559 INFO L225 Difference]: With dead ends: 804 [2022-04-05 04:23:10,559 INFO L226 Difference]: Without dead ends: 804 [2022-04-05 04:23:10,559 INFO L912 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 [2022-04-05 04:23:10,560 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 122 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 56 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:10,560 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 374 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 463 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-04-05 04:23:10,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2022-04-05 04:23:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 643. [2022-04-05 04:23:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 638 states have (on average 1.4717868338557993) internal successors, (939), 638 states have internal predecessors, (939), 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) [2022-04-05 04:23:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 943 transitions. [2022-04-05 04:23:10,571 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 943 transitions. Word has length 154 [2022-04-05 04:23:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:10,572 INFO L478 AbstractCegarLoop]: Abstraction has 643 states and 943 transitions. [2022-04-05 04:23:10,572 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 943 transitions. [2022-04-05 04:23:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-04-05 04:23:10,574 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:10,574 INFO L499 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:23:10,574 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-05 04:23:10,574 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:10,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1016371692, now seen corresponding path program 1 times [2022-04-05 04:23:10,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:10,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706212877] [2022-04-05 04:23:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:10,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:10,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706212877] [2022-04-05 04:23:10,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706212877] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:10,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:10,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:10,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041290023] [2022-04-05 04:23:10,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:10,728 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:10,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:10,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:10,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:10,729 INFO L87 Difference]: Start difference. First operand 643 states and 943 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:12,738 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 [] [2022-04-05 04:23:13,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:13,214 INFO L93 Difference]: Finished difference Result 726 states and 1066 transitions. [2022-04-05 04:23:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:13,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 156 [2022-04-05 04:23:13,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:13,217 INFO L225 Difference]: With dead ends: 726 [2022-04-05 04:23:13,217 INFO L226 Difference]: Without dead ends: 726 [2022-04-05 04:23:13,218 INFO L912 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 [2022-04-05 04:23:13,218 INFO L913 BasicCegarLoop]: 265 mSDtfsCounter, 76 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:13,218 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 644 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 579 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:23:13,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-04-05 04:23:13,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 671. [2022-04-05 04:23:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 666 states have (on average 1.46996996996997) internal successors, (979), 666 states have internal predecessors, (979), 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) [2022-04-05 04:23:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 983 transitions. [2022-04-05 04:23:13,228 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 983 transitions. Word has length 156 [2022-04-05 04:23:13,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:13,229 INFO L478 AbstractCegarLoop]: Abstraction has 671 states and 983 transitions. [2022-04-05 04:23:13,229 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 983 transitions. [2022-04-05 04:23:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-04-05 04:23:13,231 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:13,231 INFO L499 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:23:13,231 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-05 04:23:13,231 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:13,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:13,232 INFO L85 PathProgramCache]: Analyzing trace with hash 844647905, now seen corresponding path program 1 times [2022-04-05 04:23:13,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:13,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074689725] [2022-04-05 04:23:13,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:13,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:13,368 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:13,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:13,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074689725] [2022-04-05 04:23:13,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074689725] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:13,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:13,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:13,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731127056] [2022-04-05 04:23:13,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:13,370 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:13,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:13,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:13,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:13,371 INFO L87 Difference]: Start difference. First operand 671 states and 983 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:14,530 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 [] [2022-04-05 04:23:16,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:17,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:19,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:19,598 INFO L93 Difference]: Finished difference Result 832 states and 1217 transitions. [2022-04-05 04:23:19,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:19,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 157 [2022-04-05 04:23:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:19,600 INFO L225 Difference]: With dead ends: 832 [2022-04-05 04:23:19,600 INFO L226 Difference]: Without dead ends: 832 [2022-04-05 04:23:19,600 INFO L912 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 [2022-04-05 04:23:19,601 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 117 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:19,601 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 374 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-04-05 04:23:19,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-04-05 04:23:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 679. [2022-04-05 04:23:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 674 states have (on average 1.467359050445104) internal successors, (989), 674 states have internal predecessors, (989), 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) [2022-04-05 04:23:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 993 transitions. [2022-04-05 04:23:19,613 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 993 transitions. Word has length 157 [2022-04-05 04:23:19,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:19,613 INFO L478 AbstractCegarLoop]: Abstraction has 679 states and 993 transitions. [2022-04-05 04:23:19,613 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 993 transitions. [2022-04-05 04:23:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-04-05 04:23:19,615 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:19,615 INFO L499 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:23:19,615 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-05 04:23:19,616 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:19,616 INFO L85 PathProgramCache]: Analyzing trace with hash 738183639, now seen corresponding path program 1 times [2022-04-05 04:23:19,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:19,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841297875] [2022-04-05 04:23:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:19,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:19,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:19,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841297875] [2022-04-05 04:23:19,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841297875] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:19,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:19,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:19,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531400904] [2022-04-05 04:23:19,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:19,791 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:19,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:19,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:19,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:19,792 INFO L87 Difference]: Start difference. First operand 679 states and 993 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) [2022-04-05 04:23:21,780 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 [] [2022-04-05 04:23:23,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:25,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:25,492 INFO L93 Difference]: Finished difference Result 726 states and 1061 transitions. [2022-04-05 04:23:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:25,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2022-04-05 04:23:25,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:25,494 INFO L225 Difference]: With dead ends: 726 [2022-04-05 04:23:25,494 INFO L226 Difference]: Without dead ends: 726 [2022-04-05 04:23:25,494 INFO L912 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 [2022-04-05 04:23:25,495 INFO L913 BasicCegarLoop]: 259 mSDtfsCounter, 63 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:25,495 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 632 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-04-05 04:23:25,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-04-05 04:23:25,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 681. [2022-04-05 04:23:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 676 states have (on average 1.4659763313609468) internal successors, (991), 676 states have internal predecessors, (991), 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) [2022-04-05 04:23:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 995 transitions. [2022-04-05 04:23:25,504 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 995 transitions. Word has length 158 [2022-04-05 04:23:25,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:25,504 INFO L478 AbstractCegarLoop]: Abstraction has 681 states and 995 transitions. [2022-04-05 04:23:25,505 INFO L479 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) [2022-04-05 04:23:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 995 transitions. [2022-04-05 04:23:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-04-05 04:23:25,506 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:25,506 INFO L499 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:23:25,506 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-05 04:23:25,507 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:25,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:25,507 INFO L85 PathProgramCache]: Analyzing trace with hash -276622805, now seen corresponding path program 1 times [2022-04-05 04:23:25,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:25,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077864380] [2022-04-05 04:23:25,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:25,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:25,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:25,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:25,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077864380] [2022-04-05 04:23:25,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077864380] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:25,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:25,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:25,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183089344] [2022-04-05 04:23:25,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:25,630 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:25,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:25,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:25,631 INFO L87 Difference]: Start difference. First operand 681 states and 995 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:27,958 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 [] [2022-04-05 04:23:29,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:29,656 INFO L93 Difference]: Finished difference Result 726 states and 1060 transitions. [2022-04-05 04:23:29,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:29,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 159 [2022-04-05 04:23:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:29,659 INFO L225 Difference]: With dead ends: 726 [2022-04-05 04:23:29,659 INFO L226 Difference]: Without dead ends: 726 [2022-04-05 04:23:29,660 INFO L912 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 [2022-04-05 04:23:29,660 INFO L913 BasicCegarLoop]: 258 mSDtfsCounter, 66 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:29,660 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 630 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 544 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-04-05 04:23:29,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-04-05 04:23:29,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 681. [2022-04-05 04:23:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 676 states have (on average 1.4644970414201184) internal successors, (990), 676 states have internal predecessors, (990), 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) [2022-04-05 04:23:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 994 transitions. [2022-04-05 04:23:29,678 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 994 transitions. Word has length 159 [2022-04-05 04:23:29,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:29,679 INFO L478 AbstractCegarLoop]: Abstraction has 681 states and 994 transitions. [2022-04-05 04:23:29,679 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 994 transitions. [2022-04-05 04:23:29,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-04-05 04:23:29,681 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:29,681 INFO L499 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:23:29,681 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-05 04:23:29,681 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:29,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2067546830, now seen corresponding path program 1 times [2022-04-05 04:23:29,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:29,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060611551] [2022-04-05 04:23:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:29,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:29,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060611551] [2022-04-05 04:23:29,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060611551] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:29,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:29,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:29,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459404617] [2022-04-05 04:23:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:29,815 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:29,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:29,816 INFO L87 Difference]: Start difference. First operand 681 states and 994 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:30,854 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 [] [2022-04-05 04:23:32,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:34,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:36,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:36,415 INFO L93 Difference]: Finished difference Result 724 states and 1057 transitions. [2022-04-05 04:23:36,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:36,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 159 [2022-04-05 04:23:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:36,418 INFO L225 Difference]: With dead ends: 724 [2022-04-05 04:23:36,418 INFO L226 Difference]: Without dead ends: 724 [2022-04-05 04:23:36,418 INFO L912 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 [2022-04-05 04:23:36,418 INFO L913 BasicCegarLoop]: 256 mSDtfsCounter, 59 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:36,419 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 626 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 537 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-04-05 04:23:36,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-04-05 04:23:36,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 682. [2022-04-05 04:23:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 677 states have (on average 1.463810930576071) internal successors, (991), 677 states have internal predecessors, (991), 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) [2022-04-05 04:23:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 995 transitions. [2022-04-05 04:23:36,428 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 995 transitions. Word has length 159 [2022-04-05 04:23:36,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:36,428 INFO L478 AbstractCegarLoop]: Abstraction has 682 states and 995 transitions. [2022-04-05 04:23:36,428 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:36,428 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 995 transitions. [2022-04-05 04:23:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-04-05 04:23:36,430 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:36,430 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:23:36,430 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-04-05 04:23:36,430 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:36,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:36,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1209469214, now seen corresponding path program 1 times [2022-04-05 04:23:36,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:36,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671448887] [2022-04-05 04:23:36,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:36,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:36,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:36,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671448887] [2022-04-05 04:23:36,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671448887] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:36,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:36,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:36,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485266661] [2022-04-05 04:23:36,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:36,591 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:36,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:36,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:36,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:36,592 INFO L87 Difference]: Start difference. First operand 682 states and 995 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:38,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:40,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:42,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:44,299 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 [] [2022-04-05 04:23:44,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:44,721 INFO L93 Difference]: Finished difference Result 965 states and 1411 transitions. [2022-04-05 04:23:44,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:44,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 159 [2022-04-05 04:23:44,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:44,724 INFO L225 Difference]: With dead ends: 965 [2022-04-05 04:23:44,724 INFO L226 Difference]: Without dead ends: 965 [2022-04-05 04:23:44,724 INFO L912 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 [2022-04-05 04:23:44,725 INFO L913 BasicCegarLoop]: 137 mSDtfsCounter, 112 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 44 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:44,725 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 384 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 457 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-04-05 04:23:44,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-04-05 04:23:44,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 810. [2022-04-05 04:23:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 805 states have (on average 1.462111801242236) internal successors, (1177), 805 states have internal predecessors, (1177), 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) [2022-04-05 04:23:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1181 transitions. [2022-04-05 04:23:44,736 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1181 transitions. Word has length 159 [2022-04-05 04:23:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:44,736 INFO L478 AbstractCegarLoop]: Abstraction has 810 states and 1181 transitions. [2022-04-05 04:23:44,736 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1181 transitions. [2022-04-05 04:23:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-04-05 04:23:44,738 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:44,738 INFO L499 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:23:44,738 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-05 04:23:44,739 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:44,739 INFO L85 PathProgramCache]: Analyzing trace with hash 350686870, now seen corresponding path program 1 times [2022-04-05 04:23:44,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:44,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445434437] [2022-04-05 04:23:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:44,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:44,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445434437] [2022-04-05 04:23:44,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445434437] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:44,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:44,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:44,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137132311] [2022-04-05 04:23:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:44,862 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:44,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:44,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:44,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:44,863 INFO L87 Difference]: Start difference. First operand 810 states and 1181 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:46,875 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 [] [2022-04-05 04:23:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:47,399 INFO L93 Difference]: Finished difference Result 963 states and 1394 transitions. [2022-04-05 04:23:47,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:47,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 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 [2022-04-05 04:23:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:47,402 INFO L225 Difference]: With dead ends: 963 [2022-04-05 04:23:47,403 INFO L226 Difference]: Without dead ends: 963 [2022-04-05 04:23:47,403 INFO L912 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 [2022-04-05 04:23:47,403 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 118 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:47,404 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 372 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 460 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:23:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-04-05 04:23:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 810. [2022-04-05 04:23:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 805 states have (on average 1.448447204968944) internal successors, (1166), 805 states have internal predecessors, (1166), 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) [2022-04-05 04:23:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1170 transitions. [2022-04-05 04:23:47,416 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1170 transitions. Word has length 160 [2022-04-05 04:23:47,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:47,416 INFO L478 AbstractCegarLoop]: Abstraction has 810 states and 1170 transitions. [2022-04-05 04:23:47,416 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:23:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1170 transitions. [2022-04-05 04:23:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-04-05 04:23:47,427 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:47,427 INFO L499 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, 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] [2022-04-05 04:23:47,427 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-05 04:23:47,428 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:47,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:47,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1895720281, now seen corresponding path program 1 times [2022-04-05 04:23:47,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:47,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134343482] [2022-04-05 04:23:47,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:47,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:47,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134343482] [2022-04-05 04:23:47,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134343482] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:47,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:47,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:47,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441741144] [2022-04-05 04:23:47,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:47,551 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:47,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:47,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:47,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:47,552 INFO L87 Difference]: Start difference. First operand 810 states and 1170 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) [2022-04-05 04:23:49,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:51,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:23:53,432 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 [] [2022-04-05 04:23:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:23:53,857 INFO L93 Difference]: Finished difference Result 1041 states and 1508 transitions. [2022-04-05 04:23:53,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:23:53,857 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 162 [2022-04-05 04:23:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:23:53,861 INFO L225 Difference]: With dead ends: 1041 [2022-04-05 04:23:53,861 INFO L226 Difference]: Without dead ends: 1041 [2022-04-05 04:23:53,861 INFO L912 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 [2022-04-05 04:23:53,862 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 111 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:23:53,862 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 372 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-04-05 04:23:53,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-04-05 04:23:53,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 884. [2022-04-05 04:23:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 879 states have (on average 1.4493742889647327) internal successors, (1274), 879 states have internal predecessors, (1274), 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) [2022-04-05 04:23:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1278 transitions. [2022-04-05 04:23:53,882 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1278 transitions. Word has length 162 [2022-04-05 04:23:53,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:23:53,883 INFO L478 AbstractCegarLoop]: Abstraction has 884 states and 1278 transitions. [2022-04-05 04:23:53,883 INFO L479 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) [2022-04-05 04:23:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1278 transitions. [2022-04-05 04:23:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-04-05 04:23:53,886 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:23:53,886 INFO L499 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, 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] [2022-04-05 04:23:53,886 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-05 04:23:53,886 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:23:53,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:23:53,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1355625361, now seen corresponding path program 1 times [2022-04-05 04:23:53,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:23:53,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121615366] [2022-04-05 04:23:53,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:23:53,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:23:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:23:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:23:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:23:54,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:23:54,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121615366] [2022-04-05 04:23:54,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121615366] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:23:54,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:23:54,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:23:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135454072] [2022-04-05 04:23:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:23:54,034 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:23:54,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:23:54,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:23:54,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:23:54,035 INFO L87 Difference]: Start difference. First operand 884 states and 1278 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) [2022-04-05 04:23:56,041 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 [] [2022-04-05 04:23:59,570 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 [] [2022-04-05 04:24:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:00,000 INFO L93 Difference]: Finished difference Result 1029 states and 1480 transitions. [2022-04-05 04:24:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:00,001 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 163 [2022-04-05 04:24:00,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:00,003 INFO L225 Difference]: With dead ends: 1029 [2022-04-05 04:24:00,003 INFO L226 Difference]: Without dead ends: 1029 [2022-04-05 04:24:00,003 INFO L912 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 [2022-04-05 04:24:00,004 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 110 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:00,004 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 372 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 463 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-04-05 04:24:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-04-05 04:24:00,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 886. [2022-04-05 04:24:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 881 states have (on average 1.4438138479001135) internal successors, (1272), 881 states have internal predecessors, (1272), 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) [2022-04-05 04:24:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1276 transitions. [2022-04-05 04:24:00,016 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1276 transitions. Word has length 163 [2022-04-05 04:24:00,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:00,016 INFO L478 AbstractCegarLoop]: Abstraction has 886 states and 1276 transitions. [2022-04-05 04:24:00,016 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1276 transitions. [2022-04-05 04:24:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-04-05 04:24:00,018 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:00,019 INFO L499 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:00,019 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-04-05 04:24:00,019 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:00,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1144238694, now seen corresponding path program 1 times [2022-04-05 04:24:00,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:00,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207323316] [2022-04-05 04:24:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:00,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:24:00,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:00,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207323316] [2022-04-05 04:24:00,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207323316] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:00,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:00,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:24:00,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389198769] [2022-04-05 04:24:00,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:00,144 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:24:00,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:00,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:24:00,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:24:00,145 INFO L87 Difference]: Start difference. First operand 886 states and 1276 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) [2022-04-05 04:24:02,159 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 [] [2022-04-05 04:24:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:02,593 INFO L93 Difference]: Finished difference Result 1107 states and 1588 transitions. [2022-04-05 04:24:02,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:02,593 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 163 [2022-04-05 04:24:02,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:02,596 INFO L225 Difference]: With dead ends: 1107 [2022-04-05 04:24:02,596 INFO L226 Difference]: Without dead ends: 1107 [2022-04-05 04:24:02,596 INFO L912 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 [2022-04-05 04:24:02,597 INFO L913 BasicCegarLoop]: 131 mSDtfsCounter, 108 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:02,597 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 372 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:24:02,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2022-04-05 04:24:02,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 958. [2022-04-05 04:24:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 953 states have (on average 1.4375655823714586) internal successors, (1370), 953 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) [2022-04-05 04:24:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1374 transitions. [2022-04-05 04:24:02,607 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1374 transitions. Word has length 163 [2022-04-05 04:24:02,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:02,608 INFO L478 AbstractCegarLoop]: Abstraction has 958 states and 1374 transitions. [2022-04-05 04:24:02,608 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1374 transitions. [2022-04-05 04:24:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-04-05 04:24:02,610 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:02,610 INFO L499 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:02,610 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-04-05 04:24:02,610 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:02,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1885264849, now seen corresponding path program 1 times [2022-04-05 04:24:02,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:02,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949083414] [2022-04-05 04:24:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:02,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:24:02,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:02,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949083414] [2022-04-05 04:24:02,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949083414] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:02,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:02,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:24:02,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654419286] [2022-04-05 04:24:02,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:02,763 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:24:02,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:02,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:24:02,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:24:02,770 INFO L87 Difference]: Start difference. First operand 958 states and 1374 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) [2022-04-05 04:24:04,782 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 [] [2022-04-05 04:24:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:05,186 INFO L93 Difference]: Finished difference Result 989 states and 1417 transitions. [2022-04-05 04:24:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:05,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 164 [2022-04-05 04:24:05,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:05,189 INFO L225 Difference]: With dead ends: 989 [2022-04-05 04:24:05,189 INFO L226 Difference]: Without dead ends: 989 [2022-04-05 04:24:05,189 INFO L912 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 [2022-04-05 04:24:05,190 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 42 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:05,190 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 604 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 491 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:24:05,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-04-05 04:24:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 963. [2022-04-05 04:24:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 958 states have (on average 1.4352818371607516) internal successors, (1375), 958 states have internal predecessors, (1375), 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) [2022-04-05 04:24:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1379 transitions. [2022-04-05 04:24:05,201 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1379 transitions. Word has length 164 [2022-04-05 04:24:05,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:05,201 INFO L478 AbstractCegarLoop]: Abstraction has 963 states and 1379 transitions. [2022-04-05 04:24:05,202 INFO L479 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) [2022-04-05 04:24:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1379 transitions. [2022-04-05 04:24:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-04-05 04:24:05,204 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:05,204 INFO L499 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, 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] [2022-04-05 04:24:05,204 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-04-05 04:24:05,204 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:05,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:05,204 INFO L85 PathProgramCache]: Analyzing trace with hash -903534559, now seen corresponding path program 1 times [2022-04-05 04:24:05,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:05,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052690306] [2022-04-05 04:24:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:24:05,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:05,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052690306] [2022-04-05 04:24:05,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052690306] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:05,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:05,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:24:05,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675592087] [2022-04-05 04:24:05,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:05,331 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:24:05,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:05,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:24:05,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:24:05,331 INFO L87 Difference]: Start difference. First operand 963 states and 1379 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) [2022-04-05 04:24:06,566 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 [] [2022-04-05 04:24:08,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:10,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:11,746 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 [] [2022-04-05 04:24:12,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:12,148 INFO L93 Difference]: Finished difference Result 989 states and 1416 transitions. [2022-04-05 04:24:12,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:12,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 164 [2022-04-05 04:24:12,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:12,151 INFO L225 Difference]: With dead ends: 989 [2022-04-05 04:24:12,151 INFO L226 Difference]: Without dead ends: 989 [2022-04-05 04:24:12,151 INFO L912 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 [2022-04-05 04:24:12,152 INFO L913 BasicCegarLoop]: 244 mSDtfsCounter, 40 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:12,152 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 602 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 493 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-04-05 04:24:12,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-04-05 04:24:12,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 964. [2022-04-05 04:24:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 959 states have (on average 1.434827945776851) internal successors, (1376), 959 states have internal predecessors, (1376), 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) [2022-04-05 04:24:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1380 transitions. [2022-04-05 04:24:12,162 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1380 transitions. Word has length 164 [2022-04-05 04:24:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:12,162 INFO L478 AbstractCegarLoop]: Abstraction has 964 states and 1380 transitions. [2022-04-05 04:24:12,162 INFO L479 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) [2022-04-05 04:24:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1380 transitions. [2022-04-05 04:24:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-04-05 04:24:12,164 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:12,164 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:12,165 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-04-05 04:24:12,165 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:12,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:12,165 INFO L85 PathProgramCache]: Analyzing trace with hash -425501681, now seen corresponding path program 1 times [2022-04-05 04:24:12,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:12,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189562883] [2022-04-05 04:24:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:12,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:24:12,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:12,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189562883] [2022-04-05 04:24:12,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189562883] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:12,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:12,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:24:12,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492873523] [2022-04-05 04:24:12,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:12,291 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:24:12,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:12,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:24:12,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:24:12,291 INFO L87 Difference]: Start difference. First operand 964 states and 1380 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:13,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:15,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:17,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:18,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:18,350 INFO L93 Difference]: Finished difference Result 987 states and 1413 transitions. [2022-04-05 04:24:18,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:18,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 165 [2022-04-05 04:24:18,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:18,353 INFO L225 Difference]: With dead ends: 987 [2022-04-05 04:24:18,353 INFO L226 Difference]: Without dead ends: 987 [2022-04-05 04:24:18,353 INFO L912 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 [2022-04-05 04:24:18,353 INFO L913 BasicCegarLoop]: 242 mSDtfsCounter, 37 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:18,353 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 598 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-04-05 04:24:18,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2022-04-05 04:24:18,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 965. [2022-04-05 04:24:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 960 states have (on average 1.434375) internal successors, (1377), 960 states have internal predecessors, (1377), 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) [2022-04-05 04:24:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1381 transitions. [2022-04-05 04:24:18,362 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1381 transitions. Word has length 165 [2022-04-05 04:24:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:18,362 INFO L478 AbstractCegarLoop]: Abstraction has 965 states and 1381 transitions. [2022-04-05 04:24:18,363 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1381 transitions. [2022-04-05 04:24:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-04-05 04:24:18,365 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:18,365 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:18,365 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-04-05 04:24:18,365 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:18,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1040554030, now seen corresponding path program 1 times [2022-04-05 04:24:18,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:18,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046344523] [2022-04-05 04:24:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:18,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-04-05 04:24:18,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:18,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046344523] [2022-04-05 04:24:18,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046344523] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:18,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:18,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:24:18,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741889237] [2022-04-05 04:24:18,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:18,506 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:24:18,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:18,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:24:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:24:18,507 INFO L87 Difference]: Start difference. First operand 965 states and 1381 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:21,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:22,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:23,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:23,038 INFO L93 Difference]: Finished difference Result 1434 states and 2051 transitions. [2022-04-05 04:24:23,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:24:23,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 173 [2022-04-05 04:24:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:23,042 INFO L225 Difference]: With dead ends: 1434 [2022-04-05 04:24:23,042 INFO L226 Difference]: Without dead ends: 1434 [2022-04-05 04:24:23,043 INFO L912 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 [2022-04-05 04:24:23,043 INFO L913 BasicCegarLoop]: 384 mSDtfsCounter, 141 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:23,043 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 578 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 426 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-04-05 04:24:23,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2022-04-05 04:24:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1434. [2022-04-05 04:24:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 1429 states have (on average 1.4324702589223233) internal successors, (2047), 1429 states have internal predecessors, (2047), 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) [2022-04-05 04:24:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2051 transitions. [2022-04-05 04:24:23,058 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2051 transitions. Word has length 173 [2022-04-05 04:24:23,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:23,058 INFO L478 AbstractCegarLoop]: Abstraction has 1434 states and 2051 transitions. [2022-04-05 04:24:23,058 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2051 transitions. [2022-04-05 04:24:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-04-05 04:24:23,061 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:23,061 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:23,061 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-04-05 04:24:23,061 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:23,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:23,062 INFO L85 PathProgramCache]: Analyzing trace with hash -865236792, now seen corresponding path program 1 times [2022-04-05 04:24:23,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:23,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053551441] [2022-04-05 04:24:23,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:23,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-04-05 04:24:23,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:23,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053551441] [2022-04-05 04:24:23,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053551441] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:23,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:23,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:24:23,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052544510] [2022-04-05 04:24:23,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:23,196 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:24:23,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:23,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:24:23,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:24:23,197 INFO L87 Difference]: Start difference. First operand 1434 states and 2051 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:24,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:25,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:26,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:27,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:27,277 INFO L93 Difference]: Finished difference Result 1871 states and 2674 transitions. [2022-04-05 04:24:27,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:24:27,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-04-05 04:24:27,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:27,282 INFO L225 Difference]: With dead ends: 1871 [2022-04-05 04:24:27,282 INFO L226 Difference]: Without dead ends: 1871 [2022-04-05 04:24:27,283 INFO L912 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 [2022-04-05 04:24:27,283 INFO L913 BasicCegarLoop]: 379 mSDtfsCounter, 138 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:27,283 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 573 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-04-05 04:24:27,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2022-04-05 04:24:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1871. [2022-04-05 04:24:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1866 states have (on average 1.4308681672025723) internal successors, (2670), 1866 states have internal predecessors, (2670), 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) [2022-04-05 04:24:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2674 transitions. [2022-04-05 04:24:27,302 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2674 transitions. Word has length 174 [2022-04-05 04:24:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:27,302 INFO L478 AbstractCegarLoop]: Abstraction has 1871 states and 2674 transitions. [2022-04-05 04:24:27,302 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2674 transitions. [2022-04-05 04:24:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-04-05 04:24:27,306 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:27,306 INFO L499 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, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:27,306 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-04-05 04:24:27,306 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:27,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:27,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1546774342, now seen corresponding path program 1 times [2022-04-05 04:24:27,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:27,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181500828] [2022-04-05 04:24:27,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:27,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-04-05 04:24:27,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:27,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181500828] [2022-04-05 04:24:27,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181500828] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:27,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:27,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:24:27,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758966483] [2022-04-05 04:24:27,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:27,449 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:24:27,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:27,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:24:27,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:24:27,449 INFO L87 Difference]: Start difference. First operand 1871 states and 2674 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:28,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:31,171 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 [] [2022-04-05 04:24:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:31,468 INFO L93 Difference]: Finished difference Result 2346 states and 3357 transitions. [2022-04-05 04:24:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:24:31,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 213 [2022-04-05 04:24:31,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:31,473 INFO L225 Difference]: With dead ends: 2346 [2022-04-05 04:24:31,474 INFO L226 Difference]: Without dead ends: 2346 [2022-04-05 04:24:31,474 INFO L912 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 [2022-04-05 04:24:31,474 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 154 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:31,474 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 382 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-04-05 04:24:31,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2022-04-05 04:24:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2346. [2022-04-05 04:24:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 2341 states have (on average 1.4322938914993593) internal successors, (3353), 2341 states have internal predecessors, (3353), 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) [2022-04-05 04:24:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3357 transitions. [2022-04-05 04:24:31,504 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3357 transitions. Word has length 213 [2022-04-05 04:24:31,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:31,504 INFO L478 AbstractCegarLoop]: Abstraction has 2346 states and 3357 transitions. [2022-04-05 04:24:31,504 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:31,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3357 transitions. [2022-04-05 04:24:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-04-05 04:24:31,509 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:31,509 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-04-05 04:24:31,509 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-04-05 04:24:31,509 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:31,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash 503424760, now seen corresponding path program 1 times [2022-04-05 04:24:31,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:31,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84806342] [2022-04-05 04:24:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:31,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 474 proven. 106 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-04-05 04:24:31,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:31,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84806342] [2022-04-05 04:24:31,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84806342] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:24:31,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479459827] [2022-04-05 04:24:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:31,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:24:31,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:24:31,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:24:31,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 04:24:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:32,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 1575 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:24:32,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:24:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2022-04-05 04:24:33,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:24:33,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479459827] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:33,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:24:33,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-05 04:24:33,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145915254] [2022-04-05 04:24:33,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:33,251 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:24:33,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:33,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:24:33,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:33,252 INFO L87 Difference]: Start difference. First operand 2346 states and 3357 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:33,304 INFO L93 Difference]: Finished difference Result 2821 states and 4042 transitions. [2022-04-05 04:24:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:24:33,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (3), 1 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 298 [2022-04-05 04:24:33,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:33,317 INFO L225 Difference]: With dead ends: 2821 [2022-04-05 04:24:33,317 INFO L226 Difference]: Without dead ends: 2821 [2022-04-05 04:24:33,318 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:33,319 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 155 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:33,319 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 383 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:24:33,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2022-04-05 04:24:33,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2821. [2022-04-05 04:24:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2816 states have (on average 1.4339488636363635) internal successors, (4038), 2816 states have internal predecessors, (4038), 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) [2022-04-05 04:24:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 4042 transitions. [2022-04-05 04:24:33,360 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 4042 transitions. Word has length 298 [2022-04-05 04:24:33,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:33,360 INFO L478 AbstractCegarLoop]: Abstraction has 2821 states and 4042 transitions. [2022-04-05 04:24:33,360 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 4042 transitions. [2022-04-05 04:24:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-04-05 04:24:33,365 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:33,365 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 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] [2022-04-05 04:24:33,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-05 04:24:33,579 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-04-05 04:24:33,580 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:33,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:33,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1878127801, now seen corresponding path program 1 times [2022-04-05 04:24:33,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:33,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114581681] [2022-04-05 04:24:33,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:33,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 646 proven. 106 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-04-05 04:24:33,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:33,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114581681] [2022-04-05 04:24:33,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114581681] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:24:33,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605966327] [2022-04-05 04:24:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:33,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:24:33,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:24:33,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:24:33,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-05 04:24:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:34,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:24:34,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:24:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-04-05 04:24:35,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:24:35,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605966327] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:35,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:24:35,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-05 04:24:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30759031] [2022-04-05 04:24:35,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:35,262 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:24:35,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:24:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:35,263 INFO L87 Difference]: Start difference. First operand 2821 states and 4042 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:35,306 INFO L93 Difference]: Finished difference Result 3296 states and 4728 transitions. [2022-04-05 04:24:35,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:24:35,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 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 339 [2022-04-05 04:24:35,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:35,313 INFO L225 Difference]: With dead ends: 3296 [2022-04-05 04:24:35,313 INFO L226 Difference]: Without dead ends: 3296 [2022-04-05 04:24:35,314 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:35,314 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 154 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:35,314 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 382 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:24:35,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-04-05 04:24:35,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3296. [2022-04-05 04:24:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3291 states have (on average 1.4354299604983287) internal successors, (4724), 3291 states have internal predecessors, (4724), 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) [2022-04-05 04:24:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4728 transitions. [2022-04-05 04:24:35,395 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4728 transitions. Word has length 339 [2022-04-05 04:24:35,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:35,396 INFO L478 AbstractCegarLoop]: Abstraction has 3296 states and 4728 transitions. [2022-04-05 04:24:35,396 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4728 transitions. [2022-04-05 04:24:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-04-05 04:24:35,403 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:35,403 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:35,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-05 04:24:35,619 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-04-05 04:24:35,620 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:35,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:35,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2006391291, now seen corresponding path program 1 times [2022-04-05 04:24:35,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:35,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924066003] [2022-04-05 04:24:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:35,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 1026 proven. 106 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-04-05 04:24:35,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:35,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924066003] [2022-04-05 04:24:35,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924066003] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:24:35,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325131486] [2022-04-05 04:24:35,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:35,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:24:35,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:24:35,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:24:35,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-05 04:24:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:36,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:24:36,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:24:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-04-05 04:24:37,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:24:37,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325131486] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:37,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:24:37,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-05 04:24:37,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480163783] [2022-04-05 04:24:37,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:37,322 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:24:37,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:37,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:24:37,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:37,323 INFO L87 Difference]: Start difference. First operand 3296 states and 4728 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:37,376 INFO L93 Difference]: Finished difference Result 3771 states and 5415 transitions. [2022-04-05 04:24:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:24:37,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 1 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 426 [2022-04-05 04:24:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:37,384 INFO L225 Difference]: With dead ends: 3771 [2022-04-05 04:24:37,384 INFO L226 Difference]: Without dead ends: 3771 [2022-04-05 04:24:37,384 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:37,385 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 145 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:37,385 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 381 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:24:37,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2022-04-05 04:24:37,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3771. [2022-04-05 04:24:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3771 states, 3766 states have (on average 1.436802973977695) internal successors, (5411), 3766 states have internal predecessors, (5411), 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) [2022-04-05 04:24:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3771 states and 5415 transitions. [2022-04-05 04:24:37,432 INFO L78 Accepts]: Start accepts. Automaton has 3771 states and 5415 transitions. Word has length 426 [2022-04-05 04:24:37,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:37,432 INFO L478 AbstractCegarLoop]: Abstraction has 3771 states and 5415 transitions. [2022-04-05 04:24:37,432 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3771 states and 5415 transitions. [2022-04-05 04:24:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-04-05 04:24:37,439 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:37,440 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 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] [2022-04-05 04:24:37,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-05 04:24:37,656 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:24:37,657 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:37,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:37,657 INFO L85 PathProgramCache]: Analyzing trace with hash -676105557, now seen corresponding path program 1 times [2022-04-05 04:24:37,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:37,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556280848] [2022-04-05 04:24:37,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:37,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 1003 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-04-05 04:24:37,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:37,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556280848] [2022-04-05 04:24:37,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556280848] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:37,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:37,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:24:37,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299044436] [2022-04-05 04:24:37,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:37,894 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:24:37,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:37,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:24:37,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:24:37,895 INFO L87 Difference]: Start difference. First operand 3771 states and 5415 transitions. Second operand has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:39,905 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 [] [2022-04-05 04:24:40,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:40,415 INFO L93 Difference]: Finished difference Result 4399 states and 6296 transitions. [2022-04-05 04:24:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:40,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (3), 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 426 [2022-04-05 04:24:40,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:40,422 INFO L225 Difference]: With dead ends: 4399 [2022-04-05 04:24:40,422 INFO L226 Difference]: Without dead ends: 4399 [2022-04-05 04:24:40,422 INFO L912 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 [2022-04-05 04:24:40,423 INFO L913 BasicCegarLoop]: 266 mSDtfsCounter, 63 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:40,423 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 647 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 574 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:24:40,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-04-05 04:24:40,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 4099. [2022-04-05 04:24:40,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 4094 states have (on average 1.436980947728383) internal successors, (5883), 4094 states have internal predecessors, (5883), 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) [2022-04-05 04:24:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5887 transitions. [2022-04-05 04:24:40,484 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5887 transitions. Word has length 426 [2022-04-05 04:24:40,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:40,484 INFO L478 AbstractCegarLoop]: Abstraction has 4099 states and 5887 transitions. [2022-04-05 04:24:40,485 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.2) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5887 transitions. [2022-04-05 04:24:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-04-05 04:24:40,492 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:40,492 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 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] [2022-04-05 04:24:40,492 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-04-05 04:24:40,492 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:40,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:40,493 INFO L85 PathProgramCache]: Analyzing trace with hash 909790957, now seen corresponding path program 1 times [2022-04-05 04:24:40,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:40,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113061698] [2022-04-05 04:24:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:40,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2022-04-05 04:24:40,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:40,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113061698] [2022-04-05 04:24:40,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113061698] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:40,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:40,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-05 04:24:40,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853558644] [2022-04-05 04:24:40,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:40,965 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-05 04:24:40,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:40,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-05 04:24:40,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:40,966 INFO L87 Difference]: Start difference. First operand 4099 states and 5887 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:42,978 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 [] [2022-04-05 04:24:44,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:44,273 INFO L93 Difference]: Finished difference Result 7888 states and 11397 transitions. [2022-04-05 04:24:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-05 04:24:44,273 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 1 states have call successors, (3), 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 426 [2022-04-05 04:24:44,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:44,287 INFO L225 Difference]: With dead ends: 7888 [2022-04-05 04:24:44,287 INFO L226 Difference]: Without dead ends: 7888 [2022-04-05 04:24:44,288 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-04-05 04:24:44,288 INFO L913 BasicCegarLoop]: 327 mSDtfsCounter, 193 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:44,288 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 1292 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1399 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-04-05 04:24:44,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2022-04-05 04:24:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7613. [2022-04-05 04:24:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 7608 states have (on average 1.4486067297581493) internal successors, (11021), 7608 states have internal predecessors, (11021), 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) [2022-04-05 04:24:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 11025 transitions. [2022-04-05 04:24:44,388 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 11025 transitions. Word has length 426 [2022-04-05 04:24:44,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:44,388 INFO L478 AbstractCegarLoop]: Abstraction has 7613 states and 11025 transitions. [2022-04-05 04:24:44,388 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 11025 transitions. [2022-04-05 04:24:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-04-05 04:24:44,401 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:44,401 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:44,402 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-04-05 04:24:44,402 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:44,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1325709964, now seen corresponding path program 1 times [2022-04-05 04:24:44,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:44,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110794657] [2022-04-05 04:24:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 1008 proven. 40 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-04-05 04:24:44,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:44,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110794657] [2022-04-05 04:24:44,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110794657] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:24:44,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291716278] [2022-04-05 04:24:44,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:44,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:24:44,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:24:44,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:24:44,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-05 04:24:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:45,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:24:45,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:24:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 1119 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-04-05 04:24:46,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:24:46,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291716278] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:46,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:24:46,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-04-05 04:24:46,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813855795] [2022-04-05 04:24:46,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:46,350 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:24:46,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:46,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:24:46,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:46,350 INFO L87 Difference]: Start difference. First operand 7613 states and 11025 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:46,417 INFO L93 Difference]: Finished difference Result 8570 states and 12414 transitions. [2022-04-05 04:24:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:24:46,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 1 states have call successors, (3), 1 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 428 [2022-04-05 04:24:46,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:46,433 INFO L225 Difference]: With dead ends: 8570 [2022-04-05 04:24:46,434 INFO L226 Difference]: Without dead ends: 8570 [2022-04-05 04:24:46,434 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:24:46,434 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 146 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:46,434 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 384 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:24:46,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8570 states. [2022-04-05 04:24:46,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8570 to 8570. [2022-04-05 04:24:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8570 states, 8565 states have (on average 1.4489200233508466) internal successors, (12410), 8565 states have internal predecessors, (12410), 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) [2022-04-05 04:24:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8570 states to 8570 states and 12414 transitions. [2022-04-05 04:24:46,588 INFO L78 Accepts]: Start accepts. Automaton has 8570 states and 12414 transitions. Word has length 428 [2022-04-05 04:24:46,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:46,589 INFO L478 AbstractCegarLoop]: Abstraction has 8570 states and 12414 transitions. [2022-04-05 04:24:46,589 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 8570 states and 12414 transitions. [2022-04-05 04:24:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-04-05 04:24:46,602 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:46,602 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:46,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-05 04:24:46,827 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-04-05 04:24:46,827 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:46,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash 972462257, now seen corresponding path program 1 times [2022-04-05 04:24:46,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:46,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052290185] [2022-04-05 04:24:46,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:46,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 1008 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2022-04-05 04:24:47,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:47,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052290185] [2022-04-05 04:24:47,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052290185] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:47,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:47,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:24:47,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870235975] [2022-04-05 04:24:47,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:47,113 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:24:47,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:47,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:24:47,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:24:47,113 INFO L87 Difference]: Start difference. First operand 8570 states and 12414 transitions. Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:49,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:24:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:49,680 INFO L93 Difference]: Finished difference Result 9226 states and 13293 transitions. [2022-04-05 04:24:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:49,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (3), 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 428 [2022-04-05 04:24:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:49,721 INFO L225 Difference]: With dead ends: 9226 [2022-04-05 04:24:49,722 INFO L226 Difference]: Without dead ends: 9226 [2022-04-05 04:24:49,722 INFO L912 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 [2022-04-05 04:24:49,722 INFO L913 BasicCegarLoop]: 265 mSDtfsCounter, 61 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:49,722 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 645 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 569 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:24:49,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9226 states. [2022-04-05 04:24:49,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9226 to 8588. [2022-04-05 04:24:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8588 states, 8583 states have (on average 1.4479785622742631) internal successors, (12428), 8583 states have internal predecessors, (12428), 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) [2022-04-05 04:24:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8588 states to 8588 states and 12432 transitions. [2022-04-05 04:24:49,860 INFO L78 Accepts]: Start accepts. Automaton has 8588 states and 12432 transitions. Word has length 428 [2022-04-05 04:24:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:49,861 INFO L478 AbstractCegarLoop]: Abstraction has 8588 states and 12432 transitions. [2022-04-05 04:24:49,861 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 8588 states and 12432 transitions. [2022-04-05 04:24:49,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-04-05 04:24:49,875 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:49,875 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:49,875 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-04-05 04:24:49,875 INFO L403 AbstractCegarLoop]: === Iteration 51 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:49,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:49,876 INFO L85 PathProgramCache]: Analyzing trace with hash -2108230989, now seen corresponding path program 1 times [2022-04-05 04:24:49,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:49,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23035495] [2022-04-05 04:24:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 918 proven. 71 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-04-05 04:24:50,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:50,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23035495] [2022-04-05 04:24:50,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23035495] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:24:50,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078082195] [2022-04-05 04:24:50,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:50,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:24:50,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:24:50,630 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:24:50,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-05 04:24:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:51,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-05 04:24:51,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:24:51,771 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-05 04:24:51,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-04-05 04:24:51,834 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-04-05 04:24:51,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-04-05 04:24:51,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-05 04:24:51,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-04-05 04:24:51,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-04-05 04:24:52,001 INFO L356 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-04-05 04:24:52,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 32 [2022-04-05 04:24:52,088 INFO L356 Elim1Store]: treesize reduction 66, result has 30.5 percent of original size [2022-04-05 04:24:52,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2022-04-05 04:24:52,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-04-05 04:24:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 920 proven. 48 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2022-04-05 04:24:52,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:24:53,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2022-04-05 04:24:53,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-04-05 04:24:54,019 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_arrayElimCell_9 Int) (v_arrayElimCell_10 Int)) (not (= (select (select (store |c_#memory_int| v_arrayElimCell_9 (store (select |c_#memory_int| v_arrayElimCell_9) (+ 844 v_arrayElimCell_10) 3)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)) 8641))) is different from false [2022-04-05 04:24:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1578 backedges. 925 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2022-04-05 04:24:54,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078082195] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-05 04:24:54,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-05 04:24:54,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 9] total 19 [2022-04-05 04:24:54,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513949884] [2022-04-05 04:24:54,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:54,194 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:24:54,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:54,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:24:54,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=252, Unknown=1, NotChecked=32, Total=342 [2022-04-05 04:24:54,195 INFO L87 Difference]: Start difference. First operand 8588 states and 12432 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:56,203 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 [] [2022-04-05 04:24:57,137 WARN L833 $PredicateComparison]: unable to prove that (and (not (= 8641 (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_arrayElimCell_9 Int) (v_arrayElimCell_10 Int)) (not (= (select (select (store |c_#memory_int| v_arrayElimCell_9 (store (select |c_#memory_int| v_arrayElimCell_9) (+ 844 v_arrayElimCell_10) 3)) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)) 8641)))) is different from false [2022-04-05 04:24:57,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:24:57,302 INFO L93 Difference]: Finished difference Result 9817 states and 14154 transitions. [2022-04-05 04:24:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:24:57,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (3), 1 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 428 [2022-04-05 04:24:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:24:57,318 INFO L225 Difference]: With dead ends: 9817 [2022-04-05 04:24:57,318 INFO L226 Difference]: Without dead ends: 9817 [2022-04-05 04:24:57,319 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=64, Invalid=284, Unknown=2, NotChecked=70, Total=420 [2022-04-05 04:24:57,319 INFO L913 BasicCegarLoop]: 140 mSDtfsCounter, 137 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 53 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 261 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:24:57,319 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 605 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 310 Invalid, 1 Unknown, 261 Unchecked, 2.3s Time] [2022-04-05 04:24:57,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9817 states. [2022-04-05 04:24:57,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9817 to 7982. [2022-04-05 04:24:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7982 states, 7977 states have (on average 1.45041995737746) internal successors, (11570), 7977 states have internal predecessors, (11570), 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) [2022-04-05 04:24:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7982 states to 7982 states and 11574 transitions. [2022-04-05 04:24:57,424 INFO L78 Accepts]: Start accepts. Automaton has 7982 states and 11574 transitions. Word has length 428 [2022-04-05 04:24:57,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:24:57,425 INFO L478 AbstractCegarLoop]: Abstraction has 7982 states and 11574 transitions. [2022-04-05 04:24:57,425 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 7982 states and 11574 transitions. [2022-04-05 04:24:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-04-05 04:24:57,436 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:24:57,436 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:24:57,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-05 04:24:57,649 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:24:57,650 INFO L403 AbstractCegarLoop]: === Iteration 52 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:24:57,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:24:57,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1597716625, now seen corresponding path program 1 times [2022-04-05 04:24:57,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:24:57,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338040127] [2022-04-05 04:24:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:24:57,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:24:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:24:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:24:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1959 backedges. 1114 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-04-05 04:24:57,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:24:57,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338040127] [2022-04-05 04:24:57,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338040127] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:24:57,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:24:57,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:24:57,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113199360] [2022-04-05 04:24:57,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:24:57,948 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:24:57,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:24:57,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:24:57,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:24:57,949 INFO L87 Difference]: Start difference. First operand 7982 states and 11574 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:24:59,968 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 [] [2022-04-05 04:25:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:00,515 INFO L93 Difference]: Finished difference Result 8518 states and 12286 transitions. [2022-04-05 04:25:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:25:00,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (3), 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 470 [2022-04-05 04:25:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:00,528 INFO L225 Difference]: With dead ends: 8518 [2022-04-05 04:25:00,528 INFO L226 Difference]: Without dead ends: 8518 [2022-04-05 04:25:00,529 INFO L912 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 [2022-04-05 04:25:00,529 INFO L913 BasicCegarLoop]: 255 mSDtfsCounter, 70 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:00,529 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 625 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 549 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:25:00,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8518 states. [2022-04-05 04:25:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8518 to 7982. [2022-04-05 04:25:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7982 states, 7977 states have (on average 1.4481634699761816) internal successors, (11552), 7977 states have internal predecessors, (11552), 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) [2022-04-05 04:25:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7982 states to 7982 states and 11556 transitions. [2022-04-05 04:25:00,623 INFO L78 Accepts]: Start accepts. Automaton has 7982 states and 11556 transitions. Word has length 470 [2022-04-05 04:25:00,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:00,623 INFO L478 AbstractCegarLoop]: Abstraction has 7982 states and 11556 transitions. [2022-04-05 04:25:00,623 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 7982 states and 11556 transitions. [2022-04-05 04:25:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-04-05 04:25:00,634 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:00,634 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:00,634 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-04-05 04:25:00,634 INFO L403 AbstractCegarLoop]: === Iteration 53 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:00,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:00,635 INFO L85 PathProgramCache]: Analyzing trace with hash -872562479, now seen corresponding path program 1 times [2022-04-05 04:25:00,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:00,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352809448] [2022-04-05 04:25:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:00,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 1127 proven. 0 refuted. 0 times theorem prover too weak. 851 trivial. 0 not checked. [2022-04-05 04:25:00,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:00,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352809448] [2022-04-05 04:25:00,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352809448] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:25:00,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:25:00,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:25:00,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289679288] [2022-04-05 04:25:00,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:25:00,941 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:25:00,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:25:00,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:25:00,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:25:00,942 INFO L87 Difference]: Start difference. First operand 7982 states and 11556 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:02,954 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 [] [2022-04-05 04:25:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:03,430 INFO L93 Difference]: Finished difference Result 8446 states and 12166 transitions. [2022-04-05 04:25:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:25:03,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (3), 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 472 [2022-04-05 04:25:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:03,441 INFO L225 Difference]: With dead ends: 8446 [2022-04-05 04:25:03,442 INFO L226 Difference]: Without dead ends: 8446 [2022-04-05 04:25:03,442 INFO L912 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 [2022-04-05 04:25:03,442 INFO L913 BasicCegarLoop]: 251 mSDtfsCounter, 64 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:03,442 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 617 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 534 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:25:03,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8446 states. [2022-04-05 04:25:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8446 to 7982. [2022-04-05 04:25:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7982 states, 7977 states have (on average 1.445906982574903) internal successors, (11534), 7977 states have internal predecessors, (11534), 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) [2022-04-05 04:25:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7982 states to 7982 states and 11538 transitions. [2022-04-05 04:25:03,538 INFO L78 Accepts]: Start accepts. Automaton has 7982 states and 11538 transitions. Word has length 472 [2022-04-05 04:25:03,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:03,538 INFO L478 AbstractCegarLoop]: Abstraction has 7982 states and 11538 transitions. [2022-04-05 04:25:03,538 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 7982 states and 11538 transitions. [2022-04-05 04:25:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-04-05 04:25:03,549 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:03,549 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:03,549 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-04-05 04:25:03,549 INFO L403 AbstractCegarLoop]: === Iteration 54 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:03,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:03,550 INFO L85 PathProgramCache]: Analyzing trace with hash 968346321, now seen corresponding path program 1 times [2022-04-05 04:25:03,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:03,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976047083] [2022-04-05 04:25:03,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:03,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 1289 proven. 98 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-04-05 04:25:03,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:03,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976047083] [2022-04-05 04:25:03,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976047083] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:25:03,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432736131] [2022-04-05 04:25:03,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:03,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:25:03,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:25:03,848 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:25:03,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-05 04:25:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:05,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 2225 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-05 04:25:05,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:25:05,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-04-05 04:25:05,375 INFO L356 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2022-04-05 04:25:05,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 78 [2022-04-05 04:25:05,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-04-05 04:25:05,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-04-05 04:25:05,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-04-05 04:25:05,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-04-05 04:25:05,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-04-05 04:25:05,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-04-05 04:25:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 1286 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2022-04-05 04:25:05,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:25:05,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432736131] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:25:05,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:25:05,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-04-05 04:25:05,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548401186] [2022-04-05 04:25:05,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:25:05,958 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:25:05,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:25:05,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:25:05,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:25:05,959 INFO L87 Difference]: Start difference. First operand 7982 states and 11538 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:07,027 INFO L93 Difference]: Finished difference Result 8637 states and 12452 transitions. [2022-04-05 04:25:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:25:07,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 1 states have call successors, (3), 1 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 476 [2022-04-05 04:25:07,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:07,037 INFO L225 Difference]: With dead ends: 8637 [2022-04-05 04:25:07,037 INFO L226 Difference]: Without dead ends: 8637 [2022-04-05 04:25:07,037 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-05 04:25:07,037 INFO L913 BasicCegarLoop]: 261 mSDtfsCounter, 53 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:07,037 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 635 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-05 04:25:07,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8637 states. [2022-04-05 04:25:07,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8637 to 8351. [2022-04-05 04:25:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8351 states, 8346 states have (on average 1.444524323028996) internal successors, (12056), 8346 states have internal predecessors, (12056), 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) [2022-04-05 04:25:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8351 states to 8351 states and 12060 transitions. [2022-04-05 04:25:07,135 INFO L78 Accepts]: Start accepts. Automaton has 8351 states and 12060 transitions. Word has length 476 [2022-04-05 04:25:07,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:07,135 INFO L478 AbstractCegarLoop]: Abstraction has 8351 states and 12060 transitions. [2022-04-05 04:25:07,135 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 8351 states and 12060 transitions. [2022-04-05 04:25:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-04-05 04:25:07,146 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:07,146 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:07,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-05 04:25:07,357 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:25:07,357 INFO L403 AbstractCegarLoop]: === Iteration 55 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:07,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:07,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1820690579, now seen corresponding path program 1 times [2022-04-05 04:25:07,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:07,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739442234] [2022-04-05 04:25:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 1237 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2022-04-05 04:25:07,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:07,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739442234] [2022-04-05 04:25:07,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739442234] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:25:07,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:25:07,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:25:07,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661750953] [2022-04-05 04:25:07,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:25:07,570 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:25:07,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:25:07,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:25:07,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:25:07,571 INFO L87 Difference]: Start difference. First operand 8351 states and 12060 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:09,580 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 [] [2022-04-05 04:25:10,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:10,052 INFO L93 Difference]: Finished difference Result 8424 states and 12163 transitions. [2022-04-05 04:25:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:25:10,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (3), 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 478 [2022-04-05 04:25:10,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:10,062 INFO L225 Difference]: With dead ends: 8424 [2022-04-05 04:25:10,063 INFO L226 Difference]: Without dead ends: 8424 [2022-04-05 04:25:10,063 INFO L912 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 [2022-04-05 04:25:10,063 INFO L913 BasicCegarLoop]: 241 mSDtfsCounter, 34 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:10,063 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 597 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 477 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:25:10,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8424 states. [2022-04-05 04:25:10,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8424 to 8252. [2022-04-05 04:25:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8252 states, 8247 states have (on average 1.4444040257063175) internal successors, (11912), 8247 states have internal predecessors, (11912), 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) [2022-04-05 04:25:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8252 states to 8252 states and 11916 transitions. [2022-04-05 04:25:10,159 INFO L78 Accepts]: Start accepts. Automaton has 8252 states and 11916 transitions. Word has length 478 [2022-04-05 04:25:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:10,160 INFO L478 AbstractCegarLoop]: Abstraction has 8252 states and 11916 transitions. [2022-04-05 04:25:10,160 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 8252 states and 11916 transitions. [2022-04-05 04:25:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-04-05 04:25:10,170 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:10,171 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:10,171 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-04-05 04:25:10,171 INFO L403 AbstractCegarLoop]: === Iteration 56 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:10,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1506700785, now seen corresponding path program 1 times [2022-04-05 04:25:10,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:10,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037759834] [2022-04-05 04:25:10,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:10,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1309 proven. 106 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2022-04-05 04:25:10,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:10,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037759834] [2022-04-05 04:25:10,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037759834] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:25:10,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003815598] [2022-04-05 04:25:10,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:10,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:25:10,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:25:10,411 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:25:10,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-05 04:25:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:11,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-05 04:25:11,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:25:11,625 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-05 04:25:11,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-04-05 04:25:11,663 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-04-05 04:25:11,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-04-05 04:25:11,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2022-04-05 04:25:11,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-04-05 04:25:11,916 INFO L356 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2022-04-05 04:25:11,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 88 [2022-04-05 04:25:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:11,924 INFO L390 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 0 case distinctions, treesize of input 15 treesize of output 19 [2022-04-05 04:25:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:11,934 INFO L390 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 0 case distinctions, treesize of input 21 treesize of output 25 [2022-04-05 04:25:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:12,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-04-05 04:25:12,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-04-05 04:25:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1293 proven. 108 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-04-05 04:25:12,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:25:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1308 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2022-04-05 04:25:13,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003815598] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-05 04:25:13,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-05 04:25:13,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 8] total 13 [2022-04-05 04:25:13,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081670498] [2022-04-05 04:25:13,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:25:13,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:25:13,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:25:13,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:25:13,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-04-05 04:25:13,093 INFO L87 Difference]: Start difference. First operand 8252 states and 11916 transitions. Second operand has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:14,523 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 [] [2022-04-05 04:25:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:14,823 INFO L93 Difference]: Finished difference Result 10127 states and 14558 transitions. [2022-04-05 04:25:14,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:25:14,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 1 states have call successors, (3), 1 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 480 [2022-04-05 04:25:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:14,833 INFO L225 Difference]: With dead ends: 10127 [2022-04-05 04:25:14,834 INFO L226 Difference]: Without dead ends: 10127 [2022-04-05 04:25:14,834 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 958 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-04-05 04:25:14,834 INFO L913 BasicCegarLoop]: 217 mSDtfsCounter, 103 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:14,834 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 540 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-04-05 04:25:14,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10127 states. [2022-04-05 04:25:14,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10127 to 9030. [2022-04-05 04:25:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9030 states, 9025 states have (on average 1.4444321329639889) internal successors, (13036), 9025 states have internal predecessors, (13036), 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) [2022-04-05 04:25:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9030 states to 9030 states and 13040 transitions. [2022-04-05 04:25:14,931 INFO L78 Accepts]: Start accepts. Automaton has 9030 states and 13040 transitions. Word has length 480 [2022-04-05 04:25:14,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:14,931 INFO L478 AbstractCegarLoop]: Abstraction has 9030 states and 13040 transitions. [2022-04-05 04:25:14,931 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 9030 states and 13040 transitions. [2022-04-05 04:25:14,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-04-05 04:25:14,943 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:14,943 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:14,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-05 04:25:15,163 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:25:15,164 INFO L403 AbstractCegarLoop]: === Iteration 57 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:15,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:15,164 INFO L85 PathProgramCache]: Analyzing trace with hash -213388925, now seen corresponding path program 1 times [2022-04-05 04:25:15,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:15,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597131054] [2022-04-05 04:25:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2105 backedges. 1269 proven. 0 refuted. 0 times theorem prover too weak. 836 trivial. 0 not checked. [2022-04-05 04:25:15,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:15,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597131054] [2022-04-05 04:25:15,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597131054] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:25:15,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:25:15,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:25:15,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785533729] [2022-04-05 04:25:15,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:25:15,441 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:25:15,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:25:15,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:25:15,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:25:15,442 INFO L87 Difference]: Start difference. First operand 9030 states and 13040 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:17,451 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 [] [2022-04-05 04:25:17,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:17,971 INFO L93 Difference]: Finished difference Result 8994 states and 12961 transitions. [2022-04-05 04:25:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:25:17,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (3), 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 482 [2022-04-05 04:25:17,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:17,980 INFO L225 Difference]: With dead ends: 8994 [2022-04-05 04:25:17,980 INFO L226 Difference]: Without dead ends: 8994 [2022-04-05 04:25:17,980 INFO L912 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 [2022-04-05 04:25:17,980 INFO L913 BasicCegarLoop]: 237 mSDtfsCounter, 37 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:17,980 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 590 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 495 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-04-05 04:25:17,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8994 states. [2022-04-05 04:25:18,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8994 to 8618. [2022-04-05 04:25:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8618 states, 8613 states have (on average 1.442122373156856) internal successors, (12421), 8613 states have internal predecessors, (12421), 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) [2022-04-05 04:25:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8618 states to 8618 states and 12425 transitions. [2022-04-05 04:25:18,063 INFO L78 Accepts]: Start accepts. Automaton has 8618 states and 12425 transitions. Word has length 482 [2022-04-05 04:25:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:18,063 INFO L478 AbstractCegarLoop]: Abstraction has 8618 states and 12425 transitions. [2022-04-05 04:25:18,063 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 8618 states and 12425 transitions. [2022-04-05 04:25:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-04-05 04:25:18,074 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:18,075 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:18,075 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-04-05 04:25:18,075 INFO L403 AbstractCegarLoop]: === Iteration 58 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:18,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:18,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1405695153, now seen corresponding path program 1 times [2022-04-05 04:25:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:18,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513010696] [2022-04-05 04:25:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:18,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 1210 proven. 0 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2022-04-05 04:25:18,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:18,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513010696] [2022-04-05 04:25:18,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513010696] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:25:18,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:25:18,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-05 04:25:18,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88716320] [2022-04-05 04:25:18,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:25:18,295 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:25:18,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:25:18,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:25:18,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:25:18,295 INFO L87 Difference]: Start difference. First operand 8618 states and 12425 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:20,304 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 [] [2022-04-05 04:25:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:20,751 INFO L93 Difference]: Finished difference Result 9385 states and 13522 transitions. [2022-04-05 04:25:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:25:20,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 1 states have call successors, (3), 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 484 [2022-04-05 04:25:20,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:20,764 INFO L225 Difference]: With dead ends: 9385 [2022-04-05 04:25:20,764 INFO L226 Difference]: Without dead ends: 9385 [2022-04-05 04:25:20,764 INFO L912 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 [2022-04-05 04:25:20,768 INFO L913 BasicCegarLoop]: 239 mSDtfsCounter, 32 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:20,769 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 593 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-04-05 04:25:20,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9385 states. [2022-04-05 04:25:20,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9385 to 9094. [2022-04-05 04:25:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9094 states, 9089 states have (on average 1.4395423038838155) internal successors, (13084), 9089 states have internal predecessors, (13084), 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) [2022-04-05 04:25:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9094 states to 9094 states and 13088 transitions. [2022-04-05 04:25:20,938 INFO L78 Accepts]: Start accepts. Automaton has 9094 states and 13088 transitions. Word has length 484 [2022-04-05 04:25:20,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:20,938 INFO L478 AbstractCegarLoop]: Abstraction has 9094 states and 13088 transitions. [2022-04-05 04:25:20,938 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:25:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 9094 states and 13088 transitions. [2022-04-05 04:25:20,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-04-05 04:25:20,949 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:20,949 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:20,949 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-04-05 04:25:20,949 INFO L403 AbstractCegarLoop]: === Iteration 59 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:20,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:20,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1692367487, now seen corresponding path program 1 times [2022-04-05 04:25:20,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:20,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966379805] [2022-04-05 04:25:20,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:20,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2136 trivial. 0 not checked. [2022-04-05 04:25:21,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:21,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966379805] [2022-04-05 04:25:21,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966379805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:25:21,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:25:21,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-05 04:25:21,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137279511] [2022-04-05 04:25:21,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:25:21,945 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 04:25:21,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:25:21,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 04:25:21,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-05 04:25:21,946 INFO L87 Difference]: Start difference. First operand 9094 states and 13088 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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) [2022-04-05 04:25:23,638 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 [] [2022-04-05 04:25:26,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:25:28,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:25:31,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:25:31,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:25:31,500 INFO L93 Difference]: Finished difference Result 9102 states and 13098 transitions. [2022-04-05 04:25:31,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-05 04:25:31,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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 484 [2022-04-05 04:25:31,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:25:31,511 INFO L225 Difference]: With dead ends: 9102 [2022-04-05 04:25:31,511 INFO L226 Difference]: Without dead ends: 9094 [2022-04-05 04:25:31,512 INFO L912 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 [2022-04-05 04:25:31,512 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 7 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:25:31,512 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 851 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 445 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-04-05 04:25:31,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9094 states. [2022-04-05 04:25:31,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9094 to 9094. [2022-04-05 04:25:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9094 states, 9089 states have (on average 1.4394322807789637) internal successors, (13083), 9089 states have internal predecessors, (13083), 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) [2022-04-05 04:25:31,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9094 states to 9094 states and 13087 transitions. [2022-04-05 04:25:31,589 INFO L78 Accepts]: Start accepts. Automaton has 9094 states and 13087 transitions. Word has length 484 [2022-04-05 04:25:31,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:25:31,589 INFO L478 AbstractCegarLoop]: Abstraction has 9094 states and 13087 transitions. [2022-04-05 04:25:31,589 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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) [2022-04-05 04:25:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 9094 states and 13087 transitions. [2022-04-05 04:25:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-04-05 04:25:31,598 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:25:31,598 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:25:31,598 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-04-05 04:25:31,599 INFO L403 AbstractCegarLoop]: === Iteration 60 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:25:31,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:25:31,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1612048672, now seen corresponding path program 1 times [2022-04-05 04:25:31,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:25:31,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726774683] [2022-04-05 04:25:31,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:31,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:25:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:25:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 85 proven. 2013 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-05 04:25:35,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:25:35,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726774683] [2022-04-05 04:25:35,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726774683] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:25:35,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825715251] [2022-04-05 04:25:35,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:25:35,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:25:35,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:25:35,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:25:35,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-05 04:25:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:25:36,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2242 conjuncts, 157 conjunts are in the unsatisfiable core [2022-04-05 04:25:36,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:25:36,559 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-05 04:25:36,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-04-05 04:25:36,679 INFO L356 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-04-05 04:25:36,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 10 [2022-04-05 04:25:36,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-05 04:25:36,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-05 04:25:36,853 INFO L356 Elim1Store]: treesize reduction 31, result has 44.6 percent of original size [2022-04-05 04:25:36,853 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 82 [2022-04-05 04:25:36,875 INFO L356 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-04-05 04:25:36,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 64 [2022-04-05 04:25:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:36,908 INFO L356 Elim1Store]: treesize reduction 48, result has 44.8 percent of original size [2022-04-05 04:25:36,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 54 [2022-04-05 04:25:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:37,028 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 114 [2022-04-05 04:25:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:37,032 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 114 [2022-04-05 04:25:37,076 INFO L356 Elim1Store]: treesize reduction 246, result has 22.4 percent of original size [2022-04-05 04:25:37,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 145 [2022-04-05 04:25:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,445 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 155 [2022-04-05 04:25:38,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,485 INFO L356 Elim1Store]: treesize reduction 156, result has 23.5 percent of original size [2022-04-05 04:25:38,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 176 treesize of output 174 [2022-04-05 04:25:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:38,490 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 159 [2022-04-05 04:25:40,481 INFO L356 Elim1Store]: treesize reduction 106, result has 42.7 percent of original size [2022-04-05 04:25:40,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 161 treesize of output 173 [2022-04-05 04:25:40,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:40,747 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 87 [2022-04-05 04:25:40,756 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-05 04:25:40,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 87 [2022-04-05 04:25:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:40,783 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 87 [2022-04-05 04:25:40,791 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-04-05 04:25:40,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 87 [2022-04-05 04:25:41,860 INFO L356 Elim1Store]: treesize reduction 72, result has 41.5 percent of original size [2022-04-05 04:25:41,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 156 [2022-04-05 04:25:41,891 INFO L356 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2022-04-05 04:25:41,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 133 [2022-04-05 04:25:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:42,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 122 [2022-04-05 04:25:42,212 INFO L356 Elim1Store]: treesize reduction 154, result has 15.4 percent of original size [2022-04-05 04:25:42,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 134 treesize of output 122 [2022-04-05 04:25:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:43,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 113 [2022-04-05 04:25:43,890 INFO L356 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2022-04-05 04:25:43,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 129 treesize of output 113 [2022-04-05 04:25:43,996 INFO L356 Elim1Store]: treesize reduction 72, result has 41.5 percent of original size [2022-04-05 04:25:43,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 209 treesize of output 192 [2022-04-05 04:25:44,035 INFO L356 Elim1Store]: treesize reduction 52, result has 42.9 percent of original size [2022-04-05 04:25:44,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 157 [2022-04-05 04:25:44,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-05 04:25:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:44,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 154 [2022-04-05 04:25:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:44,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 154 [2022-04-05 04:25:44,375 INFO L356 Elim1Store]: treesize reduction 102, result has 34.2 percent of original size [2022-04-05 04:25:44,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 206 [2022-04-05 04:25:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 195 [2022-04-05 04:25:46,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,563 INFO L356 Elim1Store]: treesize reduction 127, result has 14.2 percent of original size [2022-04-05 04:25:46,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 231 treesize of output 218 [2022-04-05 04:25:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:46,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 185 [2022-04-05 04:25:49,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 52 [2022-04-05 04:25:49,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,553 INFO L356 Elim1Store]: treesize reduction 161, result has 21.1 percent of original size [2022-04-05 04:25:49,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 95 [2022-04-05 04:25:49,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2022-04-05 04:25:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2022-04-05 04:25:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,695 INFO L356 Elim1Store]: treesize reduction 131, result has 25.6 percent of original size [2022-04-05 04:25:49,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 106 [2022-04-05 04:25:49,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:49,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2022-04-05 04:25:50,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:50,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 71 [2022-04-05 04:25:50,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:50,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 49 [2022-04-05 04:25:50,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:50,936 INFO L356 Elim1Store]: treesize reduction 55, result has 27.6 percent of original size [2022-04-05 04:25:50,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 58 [2022-04-05 04:25:51,056 INFO L356 Elim1Store]: treesize reduction 84, result has 18.4 percent of original size [2022-04-05 04:25:51,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 31 [2022-04-05 04:25:51,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:51,176 INFO L390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-04-05 04:25:51,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-04-05 04:25:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 1202 proven. 876 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-04-05 04:25:51,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:25:51,396 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_ssl3_accept_#t~mem145| 0) (forall ((v_ArrVal_20195 (Array Int Int))) (not (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) (+ 84 c_ssl3_accept_~s.offset)) v_ArrVal_20195) c_ssl3_accept_~s.base) (+ 52 c_ssl3_accept_~s.offset)) 8640)))) is different from false [2022-04-05 04:25:51,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-04-05 04:25:51,767 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int)) (not (= (let ((.cse0 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store |c_#memory_int| c_ssl3_accept_~s.base (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse0 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse0)) 8640))) (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0)) is different from false [2022-04-05 04:25:51,792 WARN L833 $PredicateComparison]: unable to prove that (or (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0) (forall ((v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (not (= 8640 (let ((.cse0 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse0 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse0 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse0)))))) is different from false [2022-04-05 04:25:51,841 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) is different from false [2022-04-05 04:25:52,362 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse0 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)) 8640)) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0)))))) is different from false [2022-04-05 04:25:55,049 INFO L356 Elim1Store]: treesize reduction 5713, result has 5.9 percent of original size [2022-04-05 04:25:55,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 144024 treesize of output 143367 [2022-04-05 04:25:56,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-04-05 04:25:56,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-04-05 04:25:56,602 INFO L356 Elim1Store]: treesize reduction 427, result has 15.9 percent of original size [2022-04-05 04:25:56,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 4048 treesize of output 2841 [2022-04-05 04:25:56,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-04-05 04:32:26,442 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-04-05 04:32:26,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144363779720 treesize of output 1 [2022-04-05 04:32:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 947 proven. 746 refuted. 61 times theorem prover too weak. 103 trivial. 279 not checked. [2022-04-05 04:32:26,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825715251] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:32:26,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:32:26,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 23, 24] total 72 [2022-04-05 04:32:26,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361482350] [2022-04-05 04:32:26,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:32:26,666 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-04-05 04:32:26,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:32:26,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-04-05 04:32:26,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=508, Invalid=3907, Unknown=27, NotChecked=670, Total=5112 [2022-04-05 04:32:26,668 INFO L87 Difference]: Start difference. First operand 9094 states and 13087 transitions. Second operand has 72 states, 71 states have (on average 16.802816901408452) internal successors, (1193), 70 states have internal predecessors, (1193), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:32:27,867 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 [] [2022-04-05 04:32:29,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:31,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:34,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:35,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:37,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:39,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:41,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:42,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-04-05 04:32:44,908 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 [] [2022-04-05 04:33:00,101 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| c_ssl3_accept_~s.base))) (and (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset)) (.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse1 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse2 v_ArrVal_20174) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse0 (select .cse1 c_ssl3_accept_~s.base))) (or (= (select .cse0 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse1 c_ssl3_accept_~s.base (store (store (store .cse0 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2) 8640))))))) (not (= (select .cse7 (+ 92 c_ssl3_accept_~s.offset)) 0))) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse8 (let ((.cse12 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse12))) (store |c_#memory_int| .cse11 (store (select |c_#memory_int| .cse11) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse12) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse8 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse10 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse8 c_ssl3_accept_~s.base (store (store (store .cse9 .cse10 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse10 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse10)))) (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (= (select .cse7 (+ 64 c_ssl3_accept_~s.offset)) 0))) is different from false [2022-04-05 04:33:00,150 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse8 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse0 (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse11 (+ 52 c_ssl3_accept_~s.offset)) (.cse12 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse10 (let ((.cse15 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse13 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse11 v_ArrVal_20174) .cse12 v_ArrVal_20181))) (.cse14 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse15))) (store .cse13 .cse14 (store (select .cse13 .cse14) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse15) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse10 c_ssl3_accept_~s.base))) (or (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse10 c_ssl3_accept_~s.base (store (store (store .cse9 .cse11 v_ArrVal_20190) .cse12 v_ArrVal_20189) .cse11 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse11) 8640)))))))) (.cse2 (not (= (select .cse8 (+ 92 c_ssl3_accept_~s.offset)) 0)))) (and (or .cse0 (not (= (let ((.cse1 (+ 84 c_ssl3_accept_~s.offset))) (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse1)) (+ 844 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse1)))) 8640)) .cse2) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (let ((.cse7 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse7))) (store |c_#memory_int| .cse6 (store (select |c_#memory_int| .cse6) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse7) 172) v_ArrVal_20186)))))) (let ((.cse4 (select .cse3 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse5 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse4 .cse5 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse5 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse5)))) (= (select .cse4 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or .cse0 (not (= 8640 (select .cse8 (+ 52 c_ssl3_accept_~s.offset)))) .cse2) (= (select .cse8 (+ 64 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-05 04:33:10,260 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse0 (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse12 (+ 52 c_ssl3_accept_~s.offset)) (.cse13 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse11 (let ((.cse16 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse14 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse12 v_ArrVal_20174) .cse13 v_ArrVal_20181))) (.cse15 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse16))) (store .cse14 .cse15 (store (select .cse14 .cse15) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse16) 172) v_ArrVal_20186)))))) (let ((.cse10 (select .cse11 c_ssl3_accept_~s.base))) (or (= (select .cse10 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse11 c_ssl3_accept_~s.base (store (store (store .cse10 .cse12 v_ArrVal_20190) .cse13 v_ArrVal_20189) .cse12 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse12) 8640)))))))) (.cse2 (not (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0))) (.cse8 (select .cse9 (+ 52 c_ssl3_accept_~s.offset)))) (and (or .cse0 (not (= (let ((.cse1 (+ 84 c_ssl3_accept_~s.offset))) (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse1)) (+ 844 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse1)))) 8640)) .cse2) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (let ((.cse7 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse7))) (store |c_#memory_int| .cse6 (store (select |c_#memory_int| .cse6) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse7) 172) v_ArrVal_20186)))))) (let ((.cse4 (select .cse3 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse5 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse4 .cse5 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse5 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse5)))) (= (select .cse4 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or .cse0 (not (= 8640 .cse8)) .cse2) (= |c_ssl3_accept_#t~mem58| .cse8) (= (select .cse9 (+ 64 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-05 04:33:10,949 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse8 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse0 (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse11 (+ 52 c_ssl3_accept_~s.offset)) (.cse12 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse10 (let ((.cse15 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse13 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse11 v_ArrVal_20174) .cse12 v_ArrVal_20181))) (.cse14 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse15))) (store .cse13 .cse14 (store (select .cse13 .cse14) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse15) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse10 c_ssl3_accept_~s.base))) (or (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse10 c_ssl3_accept_~s.base (store (store (store .cse9 .cse11 v_ArrVal_20190) .cse12 v_ArrVal_20189) .cse11 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse11) 8640)))))))) (.cse2 (not (= (select .cse8 (+ 92 c_ssl3_accept_~s.offset)) 0)))) (and (or .cse0 (not (= (let ((.cse1 (+ 84 c_ssl3_accept_~s.offset))) (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse1)) (+ 844 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse1)))) 8640)) .cse2) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse3 (let ((.cse7 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse7))) (store |c_#memory_int| .cse6 (store (select |c_#memory_int| .cse6) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse7) 172) v_ArrVal_20186)))))) (let ((.cse4 (select .cse3 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse5 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse4 .cse5 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse5 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse5)))) (= (select .cse4 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or .cse0 (not (= 8640 (select .cse8 (+ 52 c_ssl3_accept_~s.offset)))) .cse2)))) is different from false [2022-04-05 04:33:13,401 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base)) (.cse12 (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base)) (.cse11 (+ 84 c_ssl3_accept_~s.offset)) (.cse21 (select |c_#memory_int| c_ssl3_accept_~s.base)) (.cse14 (+ 92 c_ssl3_accept_~s.offset))) (let ((.cse9 (= (select .cse21 .cse14) 0)) (.cse1 (not (= (select .cse12 .cse11) c_ssl3_accept_~s.base))) (.cse0 (select .cse15 .cse11))) (and (or (not (= (+ 780 .cse0) c_ssl3_accept_~s.offset)) .cse1) (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse4 (+ 52 c_ssl3_accept_~s.offset)) (.cse5 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse3 (let ((.cse8 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse6 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse4 v_ArrVal_20174) .cse5 v_ArrVal_20181))) (.cse7 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse8))) (store .cse6 .cse7 (store (select .cse6 .cse7) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse8) 172) v_ArrVal_20186)))))) (let ((.cse2 (select .cse3 c_ssl3_accept_~s.base))) (or (= (select .cse2 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse3 c_ssl3_accept_~s.base (store (store (store .cse2 .cse4 v_ArrVal_20190) .cse5 v_ArrVal_20189) .cse4 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse4) 8640))))))) (not .cse9)) (let ((.cse13 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse10 (+ (select .cse15 .cse13) 172))) (or (and .cse1 (or (not (= .cse10 .cse11)) (not (= (select .cse12 .cse13) c_ssl3_accept_~s.base)))) (and .cse9 (or (<= (+ 793 .cse0) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse0)) (not (= .cse10 .cse14))))))) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse16 (let ((.cse20 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse19 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse20))) (store |c_#memory_int| .cse19 (store (select |c_#memory_int| .cse19) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse20) 172) v_ArrVal_20186)))))) (let ((.cse17 (select .cse16 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse18 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse16 c_ssl3_accept_~s.base (store (store (store .cse17 .cse18 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse18 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse18)))) (= (select .cse17 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or (not (= (+ 792 .cse0) c_ssl3_accept_~s.offset)) .cse1) (or .cse1 (not (= (+ 752 .cse0) c_ssl3_accept_~s.offset))) (or .cse1 (not (= (+ .cse0 760) c_ssl3_accept_~s.offset))) (= (select .cse21 (+ 64 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-05 04:33:15,778 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (let ((.cse12 (select |c_#memory_int| c_ssl3_accept_~s.base))) (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse7 (+ 52 c_ssl3_accept_~s.offset)) (.cse8 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse6 (let ((.cse11 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse9 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse7 v_ArrVal_20174) .cse8 v_ArrVal_20181))) (.cse10 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse11))) (store .cse9 .cse10 (store (select .cse9 .cse10) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse11) 172) v_ArrVal_20186)))))) (let ((.cse5 (select .cse6 c_ssl3_accept_~s.base))) (or (= (select .cse5 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse6 c_ssl3_accept_~s.base (store (store (store .cse5 .cse7 v_ArrVal_20190) .cse8 v_ArrVal_20189) .cse7 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse7) 8640))))))) (not (= 8640 (select .cse12 (+ 52 c_ssl3_accept_~s.offset)))) (not (= (select .cse12 (+ 92 c_ssl3_accept_~s.offset)) 0))))) is different from false [2022-04-05 04:33:22,165 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse0 (let ((.cse4 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse4))) (store |c_#memory_int| .cse3 (store (select |c_#memory_int| .cse3) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse4) 172) v_ArrVal_20186)))))) (let ((.cse1 (select .cse0 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse0 c_ssl3_accept_~s.base (store (store (store .cse1 .cse2 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2)))) (= (select .cse1 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (or (not (= |c_ssl3_accept_#t~mem75| 8640)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse7 (+ 52 c_ssl3_accept_~s.offset)) (.cse8 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse6 (let ((.cse11 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse9 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse7 v_ArrVal_20174) .cse8 v_ArrVal_20181))) (.cse10 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse11))) (store .cse9 .cse10 (store (select .cse9 .cse10) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse11) 172) v_ArrVal_20186)))))) (let ((.cse5 (select .cse6 c_ssl3_accept_~s.base))) (or (= (select .cse5 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse6 c_ssl3_accept_~s.base (store (store (store .cse5 .cse7 v_ArrVal_20190) .cse8 v_ArrVal_20189) .cse7 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse7) 8640))))))) (not (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0)))) is different from false [2022-04-05 04:33:38,056 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base)) (.cse4 (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base)) (.cse7 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse5 (select .cse4 .cse7)) (.cse6 (not (= (select .cse2 .cse7) c_ssl3_accept_~s.base))) (.cse0 (= (select (select |c_#memory_int| c_ssl3_accept_~s.base) (+ 92 c_ssl3_accept_~s.offset)) 0))) (and (or .cse0 (forall ((v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (not (= 8640 (let ((.cse1 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse1 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse1 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse1)))))) (or (let ((.cse3 (+ 176 c_ssl3_accept_~s.offset))) (and (= (select .cse2 .cse3) c_ssl3_accept_~s.base) (= (+ 88 (select .cse4 .cse3)) c_ssl3_accept_~s.offset))) (and (or (not (= (+ 780 .cse5) c_ssl3_accept_~s.offset)) .cse6) (or (not (= (+ 792 .cse5) c_ssl3_accept_~s.offset)) .cse6) (or .cse6 (not (= (+ 752 .cse5) c_ssl3_accept_~s.offset))) (or .cse6 (not (= (+ .cse5 760) c_ssl3_accept_~s.offset))))) (or (<= (+ 793 .cse5) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse5)) .cse6 .cse0)))) is different from false [2022-04-05 04:33:59,149 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse13 (select |c_#memory_int| c_ssl3_accept_~s.base))) (let ((.cse7 (= (select .cse13 (+ 92 c_ssl3_accept_~s.offset)) 0))) (and (or (forall ((v_ArrVal_20186 Int) (v_ArrVal_20174 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_ArrVal_20181 Int) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse2 (+ 52 c_ssl3_accept_~s.offset)) (.cse3 (+ 64 c_ssl3_accept_~s.offset))) (let ((.cse1 (let ((.cse6 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse4 (store |c_#memory_int| c_ssl3_accept_~s.base (store (store (select |c_#memory_int| c_ssl3_accept_~s.base) .cse2 v_ArrVal_20174) .cse3 v_ArrVal_20181))) (.cse5 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse6))) (store .cse4 .cse5 (store (select .cse4 .cse5) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse6) 172) v_ArrVal_20186)))))) (let ((.cse0 (select .cse1 c_ssl3_accept_~s.base))) (or (= (select .cse0 (+ 92 c_ssl3_accept_~s.offset)) 0) (not (= (select (select (store (store .cse1 c_ssl3_accept_~s.base (store (store (store .cse0 .cse2 v_ArrVal_20190) .cse3 v_ArrVal_20189) .cse2 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse2) 8640))))))) (not .cse7)) (forall ((v_ArrVal_20186 Int) (v_ArrVal_20189 Int) (v_ArrVal_20195 (Array Int Int)) (v_arrayElimCell_108 Int) (v_ArrVal_20190 Int)) (let ((.cse8 (let ((.cse12 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse12))) (store |c_#memory_int| .cse11 (store (select |c_#memory_int| .cse11) (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse12) 172) v_ArrVal_20186)))))) (let ((.cse9 (select .cse8 c_ssl3_accept_~s.base))) (or (not (= 8640 (let ((.cse10 (+ 52 c_ssl3_accept_~s.offset))) (select (select (store (store .cse8 c_ssl3_accept_~s.base (store (store (store .cse9 .cse10 v_ArrVal_20190) (+ 64 c_ssl3_accept_~s.offset) v_ArrVal_20189) .cse10 8448)) v_arrayElimCell_108 v_ArrVal_20195) c_ssl3_accept_~s.base) .cse10)))) (= (select .cse9 (+ 92 c_ssl3_accept_~s.offset)) 0))))) (not (= 8640 (select .cse13 (+ 52 c_ssl3_accept_~s.offset)))) (forall ((v_ArrVal_20142 Int) (v_ArrVal_20140 Int) (v_ArrVal_20157 Int) (v_ArrVal_20156 Int)) (let ((.cse17 (+ 176 c_ssl3_accept_~s.offset))) (let ((.cse26 (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse17)) (.cse27 (+ (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse17) 172))) (let ((.cse23 (store |c_#memory_$Pointer$.offset| .cse26 (store (select |c_#memory_$Pointer$.offset| .cse26) .cse27 v_ArrVal_20142))) (.cse22 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse20 (select (select .cse23 c_ssl3_accept_~s.base) .cse22)) (.cse25 (store |c_#memory_$Pointer$.base| .cse26 (store (select |c_#memory_$Pointer$.base| .cse26) .cse27 v_ArrVal_20140)))) (let ((.cse18 (select (select .cse25 c_ssl3_accept_~s.base) .cse22)) (.cse24 (+ .cse20 844))) (let ((.cse16 (select (store .cse25 .cse18 (store (select .cse25 .cse18) .cse24 v_ArrVal_20156)) c_ssl3_accept_~s.base))) (let ((.cse21 (select (store .cse23 .cse18 (store (select .cse23 .cse18) .cse24 v_ArrVal_20157)) c_ssl3_accept_~s.base)) (.cse19 (select .cse16 .cse22))) (let ((.cse14 (= .cse19 c_ssl3_accept_~s.base)) (.cse15 (select .cse21 .cse22))) (or (and .cse14 (= (+ 752 .cse15) c_ssl3_accept_~s.offset)) (not (= (select .cse16 .cse17) c_ssl3_accept_~s.base)) (and (= .cse18 .cse19) (= .cse20 .cse15)) (and .cse14 (= (+ .cse15 780) c_ssl3_accept_~s.offset)) (not (= (+ (select .cse21 .cse17) 80) c_ssl3_accept_~s.offset)))))))))))) (= (select .cse13 (+ 64 c_ssl3_accept_~s.offset)) 0) (let ((.cse29 (+ 84 c_ssl3_accept_~s.offset))) (let ((.cse28 (select (select |c_#memory_$Pointer$.offset| c_ssl3_accept_~s.base) .cse29))) (or (<= (+ 793 .cse28) c_ssl3_accept_~s.offset) (<= c_ssl3_accept_~s.offset (+ 791 .cse28)) (not (= (select (select |c_#memory_$Pointer$.base| c_ssl3_accept_~s.base) .cse29) c_ssl3_accept_~s.base)) .cse7)))))) is different from false