/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_8.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 13:40:11,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 13:40:11,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 13:40:11,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 13:40:11,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 13:40:11,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 13:40:11,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 13:40:11,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 13:40:11,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 13:40:11,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 13:40:11,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 13:40:11,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 13:40:11,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 13:40:11,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 13:40:11,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 13:40:11,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 13:40:11,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 13:40:11,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 13:40:11,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 13:40:11,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 13:40:11,083 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 13:40:11,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 13:40:11,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 13:40:11,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 13:40:11,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 13:40:11,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 13:40:11,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 13:40:11,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 13:40:11,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 13:40:11,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-06 13:40:11,119 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 13:40:11,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 13:40:11,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-06 13:40:11,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-06 13:40:11,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-06 13:40:11,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-06 13:40:11,121 INFO L138 SettingsManager]: * Use SBE=true [2022-04-06 13:40:11,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 13:40:11,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 13:40:11,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 13:40:11,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 13:40:11,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 13:40:11,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 13:40:11,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 13:40:11,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:40:11,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 13:40:11,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-06 13:40:11,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 13:40:11,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-06 13:40:11,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-06 13:40:11,125 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 13:40:11,125 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 13:40:11,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 13:40:11,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 13:40:11,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 13:40:11,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 13:40:11,344 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 13:40:11,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_8.cil.c [2022-04-06 13:40:11,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdaf654da/2988d3fb683643e5b44faeb951432d8b/FLAGbc99e4239 [2022-04-06 13:40:11,780 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 13:40:11,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_8.cil.c [2022-04-06 13:40:11,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdaf654da/2988d3fb683643e5b44faeb951432d8b/FLAGbc99e4239 [2022-04-06 13:40:11,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdaf654da/2988d3fb683643e5b44faeb951432d8b [2022-04-06 13:40:11,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 13:40:11,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 13:40:11,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 13:40:11,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 13:40:11,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 13:40:11,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:40:11" (1/1) ... [2022-04-06 13:40:11,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bdf149e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:11, skipping insertion in model container [2022-04-06 13:40:11,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:40:11" (1/1) ... [2022-04-06 13:40:11,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 13:40:11,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 13:40:12,027 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-simplified/s3_srvr_8.cil.c[44970,44983] [2022-04-06 13:40:12,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:40:12,038 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 13:40:12,070 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-simplified/s3_srvr_8.cil.c[44970,44983] [2022-04-06 13:40:12,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:40:12,081 INFO L208 MainTranslator]: Completed translation [2022-04-06 13:40:12,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12 WrapperNode [2022-04-06 13:40:12,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 13:40:12,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 13:40:12,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 13:40:12,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 13:40:12,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 13:40:12,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 13:40:12,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 13:40:12,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 13:40:12,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:40:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:40:12,191 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) [2022-04-06 13:40:12,195 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 [2022-04-06 13:40:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 13:40:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 13:40:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 13:40:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-06 13:40:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-06 13:40:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 13:40:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 13:40:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 13:40:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 13:40:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 13:40:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 13:40:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 13:40:12,320 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 13:40:12,321 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 13:40:12,379 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:40:12,682 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-04-06 13:40:12,683 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-04-06 13:40:12,688 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 13:40:12,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 13:40:12,704 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 13:40:12,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:40:12 BoogieIcfgContainer [2022-04-06 13:40:12,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 13:40:12,706 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 13:40:12,706 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 13:40:12,708 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 13:40:12,711 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:40:12" (1/1) ... [2022-04-06 13:40:12,712 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-06 13:40:12,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:40:12 BasicIcfg [2022-04-06 13:40:12,749 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 13:40:12,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 13:40:12,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 13:40:12,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 13:40:12,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:40:11" (1/4) ... [2022-04-06 13:40:12,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53366dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:40:12, skipping insertion in model container [2022-04-06 13:40:12,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:40:12" (2/4) ... [2022-04-06 13:40:12,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53366dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:40:12, skipping insertion in model container [2022-04-06 13:40:12,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:40:12" (3/4) ... [2022-04-06 13:40:12,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53366dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:40:12, skipping insertion in model container [2022-04-06 13:40:12,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:40:12" (4/4) ... [2022-04-06 13:40:12,755 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_8.cil.cqvasr [2022-04-06 13:40:12,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-06 13:40:12,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 13:40:12,805 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 13:40:12,811 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-06 13:40:12,811 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 13:40:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 148 states have (on average 1.722972972972973) internal successors, (255), 149 states have internal predecessors, (255), 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) [2022-04-06 13:40:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-04-06 13:40:12,847 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:12,848 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] [2022-04-06 13:40:12,848 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:12,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:12,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1186597234, now seen corresponding path program 1 times [2022-04-06 13:40:12,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:12,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749749970] [2022-04-06 13:40:12,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:12,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:40:13,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:13,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749749970] [2022-04-06 13:40:13,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749749970] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:13,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:13,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:13,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820680533] [2022-04-06 13:40:13,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:13,144 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:13,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:13,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:13,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:13,168 INFO L87 Difference]: Start difference. First operand has 156 states, 148 states have (on average 1.722972972972973) internal successors, (255), 149 states have internal predecessors, (255), 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 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:13,527 INFO L93 Difference]: Finished difference Result 432 states and 737 transitions. [2022-04-06 13:40:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:13,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-04-06 13:40:13,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:13,536 INFO L225 Difference]: With dead ends: 432 [2022-04-06 13:40:13,536 INFO L226 Difference]: Without dead ends: 263 [2022-04-06 13:40:13,539 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:13,542 INFO L913 BasicCegarLoop]: 246 mSDtfsCounter, 660 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:13,542 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [662 Valid, 255 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-06 13:40:13,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-04-06 13:40:13,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2022-04-06 13:40:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.5232558139534884) internal successors, (393), 258 states have internal predecessors, (393), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 397 transitions. [2022-04-06 13:40:13,581 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 397 transitions. Word has length 48 [2022-04-06 13:40:13,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:13,581 INFO L478 AbstractCegarLoop]: Abstraction has 263 states and 397 transitions. [2022-04-06 13:40:13,582 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 397 transitions. [2022-04-06 13:40:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-06 13:40:13,584 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:13,584 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] [2022-04-06 13:40:13,584 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 13:40:13,585 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:13,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:13,585 INFO L85 PathProgramCache]: Analyzing trace with hash 784259584, now seen corresponding path program 1 times [2022-04-06 13:40:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:13,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603225048] [2022-04-06 13:40:13,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:13,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:40:13,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:13,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603225048] [2022-04-06 13:40:13,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603225048] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:13,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:13,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:13,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704213748] [2022-04-06 13:40:13,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:13,644 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:13,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:13,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:13,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:13,645 INFO L87 Difference]: Start difference. First operand 263 states and 397 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 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) [2022-04-06 13:40:13,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:13,839 INFO L93 Difference]: Finished difference Result 418 states and 642 transitions. [2022-04-06 13:40:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:13,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 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 [2022-04-06 13:40:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:13,843 INFO L225 Difference]: With dead ends: 418 [2022-04-06 13:40:13,844 INFO L226 Difference]: Without dead ends: 292 [2022-04-06 13:40:13,849 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:13,852 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 227 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:13,852 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 232 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:13,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-04-06 13:40:13,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 284. [2022-04-06 13:40:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 279 states have (on average 1.5017921146953406) internal successors, (419), 279 states have internal predecessors, (419), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 423 transitions. [2022-04-06 13:40:13,882 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 423 transitions. Word has length 64 [2022-04-06 13:40:13,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:13,883 INFO L478 AbstractCegarLoop]: Abstraction has 284 states and 423 transitions. [2022-04-06 13:40:13,883 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 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) [2022-04-06 13:40:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 423 transitions. [2022-04-06 13:40:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-06 13:40:13,887 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:13,887 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:13,887 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 13:40:13,888 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:13,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:13,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1949677792, now seen corresponding path program 1 times [2022-04-06 13:40:13,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:13,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376559505] [2022-04-06 13:40:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:13,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:40:13,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:13,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376559505] [2022-04-06 13:40:13,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376559505] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:13,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:13,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:13,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529288811] [2022-04-06 13:40:13,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:13,947 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:13,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:13,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:13,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:13,948 INFO L87 Difference]: Start difference. First operand 284 states and 423 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:14,167 INFO L93 Difference]: Finished difference Result 664 states and 1020 transitions. [2022-04-06 13:40:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:14,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 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 [2022-04-06 13:40:14,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:14,169 INFO L225 Difference]: With dead ends: 664 [2022-04-06 13:40:14,169 INFO L226 Difference]: Without dead ends: 394 [2022-04-06 13:40:14,170 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:14,171 INFO L913 BasicCegarLoop]: 224 mSDtfsCounter, 264 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:14,171 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 231 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:14,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-04-06 13:40:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 366. [2022-04-06 13:40:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 361 states have (on average 1.4321329639889198) internal successors, (517), 361 states have internal predecessors, (517), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 521 transitions. [2022-04-06 13:40:14,182 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 521 transitions. Word has length 85 [2022-04-06 13:40:14,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:14,183 INFO L478 AbstractCegarLoop]: Abstraction has 366 states and 521 transitions. [2022-04-06 13:40:14,183 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 521 transitions. [2022-04-06 13:40:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-06 13:40:14,185 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:14,185 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:14,185 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 13:40:14,185 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:14,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:14,186 INFO L85 PathProgramCache]: Analyzing trace with hash -883709505, now seen corresponding path program 1 times [2022-04-06 13:40:14,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:14,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044377589] [2022-04-06 13:40:14,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:14,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:40:14,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:14,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044377589] [2022-04-06 13:40:14,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044377589] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:14,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:14,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:14,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460174194] [2022-04-06 13:40:14,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:14,231 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:14,232 INFO L87 Difference]: Start difference. First operand 366 states and 521 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:14,410 INFO L93 Difference]: Finished difference Result 772 states and 1118 transitions. [2022-04-06 13:40:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:14,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 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 [2022-04-06 13:40:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:14,412 INFO L225 Difference]: With dead ends: 772 [2022-04-06 13:40:14,412 INFO L226 Difference]: Without dead ends: 420 [2022-04-06 13:40:14,413 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:14,414 INFO L913 BasicCegarLoop]: 226 mSDtfsCounter, 226 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:14,414 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 233 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:14,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-04-06 13:40:14,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 412. [2022-04-06 13:40:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 407 states have (on average 1.4078624078624078) internal successors, (573), 407 states have internal predecessors, (573), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 577 transitions. [2022-04-06 13:40:14,424 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 577 transitions. Word has length 85 [2022-04-06 13:40:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:14,424 INFO L478 AbstractCegarLoop]: Abstraction has 412 states and 577 transitions. [2022-04-06 13:40:14,424 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 577 transitions. [2022-04-06 13:40:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-06 13:40:14,426 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:14,426 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:14,426 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 13:40:14,426 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:14,427 INFO L85 PathProgramCache]: Analyzing trace with hash 779145481, now seen corresponding path program 1 times [2022-04-06 13:40:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:14,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053457097] [2022-04-06 13:40:14,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-06 13:40:14,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:14,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053457097] [2022-04-06 13:40:14,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053457097] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:14,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:14,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:14,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495158264] [2022-04-06 13:40:14,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:14,463 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:14,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:14,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:14,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:14,464 INFO L87 Difference]: Start difference. First operand 412 states and 577 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:14,658 INFO L93 Difference]: Finished difference Result 1006 states and 1433 transitions. [2022-04-06 13:40:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:14,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-04-06 13:40:14,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:14,661 INFO L225 Difference]: With dead ends: 1006 [2022-04-06 13:40:14,661 INFO L226 Difference]: Without dead ends: 602 [2022-04-06 13:40:14,662 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:14,662 INFO L913 BasicCegarLoop]: 224 mSDtfsCounter, 352 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:14,663 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 231 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:14,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-04-06 13:40:14,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 588. [2022-04-06 13:40:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 583 states have (on average 1.41852487135506) internal successors, (827), 583 states have internal predecessors, (827), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 831 transitions. [2022-04-06 13:40:14,683 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 831 transitions. Word has length 98 [2022-04-06 13:40:14,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:14,684 INFO L478 AbstractCegarLoop]: Abstraction has 588 states and 831 transitions. [2022-04-06 13:40:14,684 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 831 transitions. [2022-04-06 13:40:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-04-06 13:40:14,685 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:14,685 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-06 13:40:14,686 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 13:40:14,686 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:14,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1541749664, now seen corresponding path program 1 times [2022-04-06 13:40:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:14,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161087042] [2022-04-06 13:40:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:14,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-06 13:40:14,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:14,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161087042] [2022-04-06 13:40:14,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161087042] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:14,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:14,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:14,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661230997] [2022-04-06 13:40:14,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:14,744 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:14,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:14,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:14,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:14,745 INFO L87 Difference]: Start difference. First operand 588 states and 831 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 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) [2022-04-06 13:40:14,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:14,921 INFO L93 Difference]: Finished difference Result 1238 states and 1772 transitions. [2022-04-06 13:40:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:14,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 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 106 [2022-04-06 13:40:14,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:14,925 INFO L225 Difference]: With dead ends: 1238 [2022-04-06 13:40:14,926 INFO L226 Difference]: Without dead ends: 664 [2022-04-06 13:40:14,927 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:14,930 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 258 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:14,932 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 232 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2022-04-06 13:40:14,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 638. [2022-04-06 13:40:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 633 states have (on average 1.401263823064771) internal successors, (887), 633 states have internal predecessors, (887), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 891 transitions. [2022-04-06 13:40:14,947 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 891 transitions. Word has length 106 [2022-04-06 13:40:14,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:14,947 INFO L478 AbstractCegarLoop]: Abstraction has 638 states and 891 transitions. [2022-04-06 13:40:14,947 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 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) [2022-04-06 13:40:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 891 transitions. [2022-04-06 13:40:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-06 13:40:14,949 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:14,949 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:14,949 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 13:40:14,949 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:14,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:14,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1480032937, now seen corresponding path program 1 times [2022-04-06 13:40:14,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:14,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498711569] [2022-04-06 13:40:14,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:14,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-04-06 13:40:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:15,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498711569] [2022-04-06 13:40:15,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498711569] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:15,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:15,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:15,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055285426] [2022-04-06 13:40:15,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:15,023 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:15,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:15,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:15,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:15,023 INFO L87 Difference]: Start difference. First operand 638 states and 891 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:15,216 INFO L93 Difference]: Finished difference Result 1332 states and 1884 transitions. [2022-04-06 13:40:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:15,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 132 [2022-04-06 13:40:15,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:15,220 INFO L225 Difference]: With dead ends: 1332 [2022-04-06 13:40:15,220 INFO L226 Difference]: Without dead ends: 708 [2022-04-06 13:40:15,221 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:15,222 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 239 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:15,222 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 232 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:15,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2022-04-06 13:40:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 692. [2022-04-06 13:40:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 687 states have (on average 1.3842794759825328) internal successors, (951), 687 states have internal predecessors, (951), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 955 transitions. [2022-04-06 13:40:15,238 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 955 transitions. Word has length 132 [2022-04-06 13:40:15,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:15,238 INFO L478 AbstractCegarLoop]: Abstraction has 692 states and 955 transitions. [2022-04-06 13:40:15,238 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 955 transitions. [2022-04-06 13:40:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-04-06 13:40:15,241 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:15,242 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-06 13:40:15,242 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 13:40:15,242 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -731592814, now seen corresponding path program 1 times [2022-04-06 13:40:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:15,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998942320] [2022-04-06 13:40:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:15,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-06 13:40:15,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:15,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998942320] [2022-04-06 13:40:15,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998942320] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:15,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:15,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:15,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221105118] [2022-04-06 13:40:15,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:15,297 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:15,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:15,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:15,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:15,298 INFO L87 Difference]: Start difference. First operand 692 states and 955 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:15,456 INFO L93 Difference]: Finished difference Result 1390 states and 1921 transitions. [2022-04-06 13:40:15,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:15,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 138 [2022-04-06 13:40:15,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:15,459 INFO L225 Difference]: With dead ends: 1390 [2022-04-06 13:40:15,459 INFO L226 Difference]: Without dead ends: 710 [2022-04-06 13:40:15,460 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:15,460 INFO L913 BasicCegarLoop]: 224 mSDtfsCounter, 359 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:15,461 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 231 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:40:15,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-04-06 13:40:15,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 698. [2022-04-06 13:40:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 693 states have (on average 1.378066378066378) internal successors, (955), 693 states have internal predecessors, (955), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 959 transitions. [2022-04-06 13:40:15,498 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 959 transitions. Word has length 138 [2022-04-06 13:40:15,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:15,498 INFO L478 AbstractCegarLoop]: Abstraction has 698 states and 959 transitions. [2022-04-06 13:40:15,499 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 959 transitions. [2022-04-06 13:40:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-04-06 13:40:15,500 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:15,500 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:15,500 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 13:40:15,501 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:15,501 INFO L85 PathProgramCache]: Analyzing trace with hash -538858338, now seen corresponding path program 1 times [2022-04-06 13:40:15,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:15,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240880993] [2022-04-06 13:40:15,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:15,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-04-06 13:40:15,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:15,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240880993] [2022-04-06 13:40:15,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240880993] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:15,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:15,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:15,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217778703] [2022-04-06 13:40:15,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:15,552 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:15,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:15,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:15,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:15,553 INFO L87 Difference]: Start difference. First operand 698 states and 959 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) [2022-04-06 13:40:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:15,734 INFO L93 Difference]: Finished difference Result 1444 states and 2006 transitions. [2022-04-06 13:40:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:15,735 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 155 [2022-04-06 13:40:15,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:15,737 INFO L225 Difference]: With dead ends: 1444 [2022-04-06 13:40:15,737 INFO L226 Difference]: Without dead ends: 760 [2022-04-06 13:40:15,738 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:15,740 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 220 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:15,740 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 232 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2022-04-06 13:40:15,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 756. [2022-04-06 13:40:15,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 751 states have (on average 1.3621837549933422) internal successors, (1023), 751 states have internal predecessors, (1023), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1027 transitions. [2022-04-06 13:40:15,754 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1027 transitions. Word has length 155 [2022-04-06 13:40:15,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:15,754 INFO L478 AbstractCegarLoop]: Abstraction has 756 states and 1027 transitions. [2022-04-06 13:40:15,755 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) [2022-04-06 13:40:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1027 transitions. [2022-04-06 13:40:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-04-06 13:40:15,756 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:15,756 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:15,756 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 13:40:15,757 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:15,757 INFO L85 PathProgramCache]: Analyzing trace with hash -647558084, now seen corresponding path program 1 times [2022-04-06 13:40:15,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:15,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242259953] [2022-04-06 13:40:15,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:15,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-04-06 13:40:15,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:15,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242259953] [2022-04-06 13:40:15,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242259953] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:15,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:15,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847387636] [2022-04-06 13:40:15,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:15,801 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:15,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:15,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:15,802 INFO L87 Difference]: Start difference. First operand 756 states and 1027 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:15,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:15,986 INFO L93 Difference]: Finished difference Result 1560 states and 2146 transitions. [2022-04-06 13:40:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:15,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 160 [2022-04-06 13:40:15,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:15,990 INFO L225 Difference]: With dead ends: 1560 [2022-04-06 13:40:15,990 INFO L226 Difference]: Without dead ends: 818 [2022-04-06 13:40:15,991 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:15,991 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 234 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:15,992 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 220 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2022-04-06 13:40:16,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2022-04-06 13:40:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 813 states have (on average 1.3468634686346863) internal successors, (1095), 813 states have internal predecessors, (1095), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1099 transitions. [2022-04-06 13:40:16,008 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1099 transitions. Word has length 160 [2022-04-06 13:40:16,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:16,008 INFO L478 AbstractCegarLoop]: Abstraction has 818 states and 1099 transitions. [2022-04-06 13:40:16,008 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1099 transitions. [2022-04-06 13:40:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-04-06 13:40:16,010 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:16,010 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:16,010 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 13:40:16,011 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:16,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:16,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1149825200, now seen corresponding path program 1 times [2022-04-06 13:40:16,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:16,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090381300] [2022-04-06 13:40:16,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:16,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-04-06 13:40:16,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:16,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090381300] [2022-04-06 13:40:16,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090381300] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:40:16,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113060864] [2022-04-06 13:40:16,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:16,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:16,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:40:16,071 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) [2022-04-06 13:40:16,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 13:40:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:16,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 13:40:16,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:40:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-04-06 13:40:16,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:40:16,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113060864] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:16,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:40:16,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 13:40:16,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33632055] [2022-04-06 13:40:16,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:16,547 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 13:40:16,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:16,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 13:40:16,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:16,548 INFO L87 Difference]: Start difference. First operand 818 states and 1099 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2022-04-06 13:40:16,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:16,600 INFO L93 Difference]: Finished difference Result 1644 states and 2218 transitions. [2022-04-06 13:40:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 13:40:16,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 188 [2022-04-06 13:40:16,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:16,604 INFO L225 Difference]: With dead ends: 1644 [2022-04-06 13:40:16,604 INFO L226 Difference]: Without dead ends: 1230 [2022-04-06 13:40:16,605 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:16,605 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 134 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:16,606 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 381 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 13:40:16,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2022-04-06 13:40:16,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2022-04-06 13:40:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1225 states have (on average 1.343673469387755) internal successors, (1646), 1225 states have internal predecessors, (1646), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1650 transitions. [2022-04-06 13:40:16,630 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1650 transitions. Word has length 188 [2022-04-06 13:40:16,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:16,630 INFO L478 AbstractCegarLoop]: Abstraction has 1230 states and 1650 transitions. [2022-04-06 13:40:16,630 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2022-04-06 13:40:16,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1650 transitions. [2022-04-06 13:40:16,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-04-06 13:40:16,633 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:16,633 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-06 13:40:16,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-06 13:40:16,853 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,SelfDestructingSolverStorable10 [2022-04-06 13:40:16,853 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:16,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:16,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1556839531, now seen corresponding path program 1 times [2022-04-06 13:40:16,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:16,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210899985] [2022-04-06 13:40:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:16,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-04-06 13:40:16,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:16,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210899985] [2022-04-06 13:40:16,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210899985] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:16,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:16,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:16,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928832944] [2022-04-06 13:40:16,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:16,908 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:16,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:16,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:16,909 INFO L87 Difference]: Start difference. First operand 1230 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:17,125 INFO L93 Difference]: Finished difference Result 2462 states and 3311 transitions. [2022-04-06 13:40:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:17,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 195 [2022-04-06 13:40:17,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:17,131 INFO L225 Difference]: With dead ends: 2462 [2022-04-06 13:40:17,131 INFO L226 Difference]: Without dead ends: 1636 [2022-04-06 13:40:17,133 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:17,133 INFO L913 BasicCegarLoop]: 382 mSDtfsCounter, 345 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:17,133 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 389 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:17,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-04-06 13:40:17,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2022-04-06 13:40:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1631 states have (on average 1.3408951563458) internal successors, (2187), 1631 states have internal predecessors, (2187), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2191 transitions. [2022-04-06 13:40:17,166 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2191 transitions. Word has length 195 [2022-04-06 13:40:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:17,167 INFO L478 AbstractCegarLoop]: Abstraction has 1636 states and 2191 transitions. [2022-04-06 13:40:17,167 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2191 transitions. [2022-04-06 13:40:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-04-06 13:40:17,170 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:17,170 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:17,170 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 13:40:17,170 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:17,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:17,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1120597249, now seen corresponding path program 1 times [2022-04-06 13:40:17,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:17,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759931008] [2022-04-06 13:40:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:17,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-04-06 13:40:17,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:17,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759931008] [2022-04-06 13:40:17,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759931008] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:17,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:17,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:17,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227824398] [2022-04-06 13:40:17,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:17,214 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:17,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:17,214 INFO L87 Difference]: Start difference. First operand 1636 states and 2191 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:17,432 INFO L93 Difference]: Finished difference Result 2919 states and 3905 transitions. [2022-04-06 13:40:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:17,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 196 [2022-04-06 13:40:17,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:17,437 INFO L225 Difference]: With dead ends: 2919 [2022-04-06 13:40:17,438 INFO L226 Difference]: Without dead ends: 1687 [2022-04-06 13:40:17,441 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:17,442 INFO L913 BasicCegarLoop]: 267 mSDtfsCounter, 225 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:17,442 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 274 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2022-04-06 13:40:17,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1687. [2022-04-06 13:40:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1682 states have (on average 1.334720570749108) internal successors, (2245), 1682 states have internal predecessors, (2245), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2249 transitions. [2022-04-06 13:40:17,486 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2249 transitions. Word has length 196 [2022-04-06 13:40:17,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:17,487 INFO L478 AbstractCegarLoop]: Abstraction has 1687 states and 2249 transitions. [2022-04-06 13:40:17,488 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2249 transitions. [2022-04-06 13:40:17,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-04-06 13:40:17,492 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:17,492 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-06 13:40:17,492 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 13:40:17,492 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:17,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash 37095226, now seen corresponding path program 1 times [2022-04-06 13:40:17,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:17,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704120079] [2022-04-06 13:40:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-04-06 13:40:17,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:17,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704120079] [2022-04-06 13:40:17,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704120079] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:17,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:17,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:17,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773143356] [2022-04-06 13:40:17,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:17,559 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:17,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:17,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:17,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:17,560 INFO L87 Difference]: Start difference. First operand 1687 states and 2249 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:17,822 INFO L93 Difference]: Finished difference Result 3520 states and 4768 transitions. [2022-04-06 13:40:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:17,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 233 [2022-04-06 13:40:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:17,827 INFO L225 Difference]: With dead ends: 3520 [2022-04-06 13:40:17,827 INFO L226 Difference]: Without dead ends: 1680 [2022-04-06 13:40:17,830 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:17,831 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 220 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:17,831 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 232 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:17,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2022-04-06 13:40:17,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1680. [2022-04-06 13:40:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1675 states have (on average 1.3295522388059702) internal successors, (2227), 1675 states have internal predecessors, (2227), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2231 transitions. [2022-04-06 13:40:17,868 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2231 transitions. Word has length 233 [2022-04-06 13:40:17,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:17,868 INFO L478 AbstractCegarLoop]: Abstraction has 1680 states and 2231 transitions. [2022-04-06 13:40:17,868 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:17,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2231 transitions. [2022-04-06 13:40:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-04-06 13:40:17,873 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:17,873 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-04-06 13:40:17,873 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 13:40:17,873 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:17,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:17,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1753718484, now seen corresponding path program 1 times [2022-04-06 13:40:17,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:17,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116814080] [2022-04-06 13:40:17,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:17,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1088 backedges. 719 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-04-06 13:40:17,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:17,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116814080] [2022-04-06 13:40:17,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116814080] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:17,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:17,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:17,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101305671] [2022-04-06 13:40:17,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:17,926 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:17,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:17,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:17,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:17,926 INFO L87 Difference]: Start difference. First operand 1680 states and 2231 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:18,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:18,139 INFO L93 Difference]: Finished difference Result 4870 states and 6490 transitions. [2022-04-06 13:40:18,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:18,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 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 345 [2022-04-06 13:40:18,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:18,146 INFO L225 Difference]: With dead ends: 4870 [2022-04-06 13:40:18,146 INFO L226 Difference]: Without dead ends: 2022 [2022-04-06 13:40:18,151 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:18,152 INFO L913 BasicCegarLoop]: 390 mSDtfsCounter, 345 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:18,152 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 397 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:18,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2022-04-06 13:40:18,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 2020. [2022-04-06 13:40:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 2015 states have (on average 1.3330024813895782) internal successors, (2686), 2015 states have internal predecessors, (2686), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2690 transitions. [2022-04-06 13:40:18,192 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2690 transitions. Word has length 345 [2022-04-06 13:40:18,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:18,192 INFO L478 AbstractCegarLoop]: Abstraction has 2020 states and 2690 transitions. [2022-04-06 13:40:18,192 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2690 transitions. [2022-04-06 13:40:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-04-06 13:40:18,198 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:18,217 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:18,217 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 13:40:18,217 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:18,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:18,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1560614213, now seen corresponding path program 1 times [2022-04-06 13:40:18,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:18,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082221971] [2022-04-06 13:40:18,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1192 proven. 26 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-04-06 13:40:18,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:18,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082221971] [2022-04-06 13:40:18,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082221971] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:40:18,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918527821] [2022-04-06 13:40:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:18,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:40:18,278 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) [2022-04-06 13:40:18,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-06 13:40:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:18,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 13:40:18,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:40:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 1422 trivial. 0 not checked. [2022-04-06 13:40:18,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:40:18,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918527821] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:18,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:40:18,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 13:40:18,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131764726] [2022-04-06 13:40:18,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:18,902 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 13:40:18,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:18,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 13:40:18,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:18,903 INFO L87 Difference]: Start difference. First operand 2020 states and 2690 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-04-06 13:40:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:18,954 INFO L93 Difference]: Finished difference Result 4431 states and 5915 transitions. [2022-04-06 13:40:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 13:40:18,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 448 [2022-04-06 13:40:18,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:18,962 INFO L225 Difference]: With dead ends: 4431 [2022-04-06 13:40:18,962 INFO L226 Difference]: Without dead ends: 2429 [2022-04-06 13:40:18,965 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:18,966 INFO L913 BasicCegarLoop]: 192 mSDtfsCounter, 149 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 370 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 [2022-04-06 13:40:18,966 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 370 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 13:40:18,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2429 states. [2022-04-06 13:40:19,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2429 to 2429. [2022-04-06 13:40:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2429 states, 2424 states have (on average 1.3333333333333333) internal successors, (3232), 2424 states have internal predecessors, (3232), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2429 states and 3236 transitions. [2022-04-06 13:40:19,010 INFO L78 Accepts]: Start accepts. Automaton has 2429 states and 3236 transitions. Word has length 448 [2022-04-06 13:40:19,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:19,010 INFO L478 AbstractCegarLoop]: Abstraction has 2429 states and 3236 transitions. [2022-04-06 13:40:19,010 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-04-06 13:40:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 3236 transitions. [2022-04-06 13:40:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-04-06 13:40:19,019 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:19,019 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:19,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-06 13:40:19,237 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,SelfDestructingSolverStorable15 [2022-04-06 13:40:19,237 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:19,238 INFO L85 PathProgramCache]: Analyzing trace with hash 168081285, now seen corresponding path program 1 times [2022-04-06 13:40:19,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:19,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981315158] [2022-04-06 13:40:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:19,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3649 backedges. 1775 proven. 26 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2022-04-06 13:40:19,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:19,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981315158] [2022-04-06 13:40:19,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981315158] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:40:19,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227529082] [2022-04-06 13:40:19,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:19,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:19,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:40:19,324 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) [2022-04-06 13:40:19,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-06 13:40:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:19,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 13:40:19,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:40:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3649 backedges. 1179 proven. 0 refuted. 0 times theorem prover too weak. 2470 trivial. 0 not checked. [2022-04-06 13:40:19,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:40:19,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227529082] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:19,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:40:19,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 13:40:19,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367601265] [2022-04-06 13:40:19,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:19,983 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 13:40:19,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:19,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 13:40:19,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:19,983 INFO L87 Difference]: Start difference. First operand 2429 states and 3236 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-04-06 13:40:20,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:20,050 INFO L93 Difference]: Finished difference Result 3223 states and 4301 transitions. [2022-04-06 13:40:20,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 13:40:20,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 601 [2022-04-06 13:40:20,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:20,060 INFO L225 Difference]: With dead ends: 3223 [2022-04-06 13:40:20,060 INFO L226 Difference]: Without dead ends: 3217 [2022-04-06 13:40:20,062 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:20,062 INFO L913 BasicCegarLoop]: 190 mSDtfsCounter, 138 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 368 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 [2022-04-06 13:40:20,062 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 368 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 13:40:20,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2022-04-06 13:40:20,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3215. [2022-04-06 13:40:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3215 states, 3210 states have (on average 1.3348909657320873) internal successors, (4285), 3210 states have internal predecessors, (4285), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 4289 transitions. [2022-04-06 13:40:20,147 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 4289 transitions. Word has length 601 [2022-04-06 13:40:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:20,148 INFO L478 AbstractCegarLoop]: Abstraction has 3215 states and 4289 transitions. [2022-04-06 13:40:20,148 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-04-06 13:40:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 4289 transitions. [2022-04-06 13:40:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-04-06 13:40:20,158 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:20,159 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:20,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-06 13:40:20,379 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:20,379 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:20,380 INFO L85 PathProgramCache]: Analyzing trace with hash -786147610, now seen corresponding path program 1 times [2022-04-06 13:40:20,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:20,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837752203] [2022-04-06 13:40:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:20,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3649 backedges. 1775 proven. 26 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2022-04-06 13:40:20,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:20,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837752203] [2022-04-06 13:40:20,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837752203] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:40:20,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348958398] [2022-04-06 13:40:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:40:20,491 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) [2022-04-06 13:40:20,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-06 13:40:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:20,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:40:20,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:40:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3649 backedges. 1193 proven. 0 refuted. 0 times theorem prover too weak. 2456 trivial. 0 not checked. [2022-04-06 13:40:21,318 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:40:21,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348958398] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:21,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:40:21,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 13:40:21,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014377528] [2022-04-06 13:40:21,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:21,320 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 13:40:21,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:21,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 13:40:21,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:21,320 INFO L87 Difference]: Start difference. First operand 3215 states and 4289 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-04-06 13:40:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:21,353 INFO L93 Difference]: Finished difference Result 3565 states and 4760 transitions. [2022-04-06 13:40:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 13:40:21,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 601 [2022-04-06 13:40:21,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:21,361 INFO L225 Difference]: With dead ends: 3565 [2022-04-06 13:40:21,362 INFO L226 Difference]: Without dead ends: 2803 [2022-04-06 13:40:21,364 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:40:21,364 INFO L913 BasicCegarLoop]: 383 mSDtfsCounter, 104 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:21,364 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 574 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 13:40:21,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2022-04-06 13:40:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2455. [2022-04-06 13:40:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2455 states, 2450 states have (on average 1.3342857142857143) internal successors, (3269), 2450 states have internal predecessors, (3269), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:21,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2455 states and 3273 transitions. [2022-04-06 13:40:21,409 INFO L78 Accepts]: Start accepts. Automaton has 2455 states and 3273 transitions. Word has length 601 [2022-04-06 13:40:21,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:21,410 INFO L478 AbstractCegarLoop]: Abstraction has 2455 states and 3273 transitions. [2022-04-06 13:40:21,410 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-04-06 13:40:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 3273 transitions. [2022-04-06 13:40:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-04-06 13:40:21,415 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:21,416 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:21,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-06 13:40:21,635 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,SelfDestructingSolverStorable17 [2022-04-06 13:40:21,635 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:21,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:21,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1838306117, now seen corresponding path program 1 times [2022-04-06 13:40:21,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:21,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336334579] [2022-04-06 13:40:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:21,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3649 backedges. 1775 proven. 26 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2022-04-06 13:40:21,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:21,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336334579] [2022-04-06 13:40:21,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336334579] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:40:21,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520181101] [2022-04-06 13:40:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:21,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:21,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:40:21,742 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) [2022-04-06 13:40:21,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-06 13:40:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:21,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:40:21,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:40:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3649 backedges. 1775 proven. 26 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2022-04-06 13:40:22,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:40:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3649 backedges. 1775 proven. 26 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2022-04-06 13:40:23,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520181101] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:40:23,185 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:40:23,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 13:40:23,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206718505] [2022-04-06 13:40:23,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:40:23,186 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:40:23,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:23,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:40:23,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:40:23,187 INFO L87 Difference]: Start difference. First operand 2455 states and 3273 transitions. Second operand has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:23,758 INFO L93 Difference]: Finished difference Result 5611 states and 7603 transitions. [2022-04-06 13:40:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 13:40:23,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 601 [2022-04-06 13:40:23,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:23,766 INFO L225 Difference]: With dead ends: 5611 [2022-04-06 13:40:23,766 INFO L226 Difference]: Without dead ends: 3041 [2022-04-06 13:40:23,771 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1217 GetRequests, 1207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:40:23,772 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 764 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:23,772 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [764 Valid, 334 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:40:23,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2022-04-06 13:40:23,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 2418. [2022-04-06 13:40:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2418 states, 2413 states have (on average 1.3315375051802736) internal successors, (3213), 2413 states have internal predecessors, (3213), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3217 transitions. [2022-04-06 13:40:23,830 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3217 transitions. Word has length 601 [2022-04-06 13:40:23,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:23,830 INFO L478 AbstractCegarLoop]: Abstraction has 2418 states and 3217 transitions. [2022-04-06 13:40:23,831 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3217 transitions. [2022-04-06 13:40:23,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2022-04-06 13:40:23,838 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:23,838 INFO L499 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 21, 21, 20, 20, 19, 19, 18, 18, 18, 18, 14, 10, 10, 10, 10, 10, 10, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:23,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-06 13:40:24,056 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:24,057 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:24,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:24,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2100819575, now seen corresponding path program 1 times [2022-04-06 13:40:24,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:24,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794620249] [2022-04-06 13:40:24,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:24,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6182 backedges. 2675 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-04-06 13:40:24,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:24,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794620249] [2022-04-06 13:40:24,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794620249] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:24,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:24,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:24,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882115960] [2022-04-06 13:40:24,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:24,148 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:24,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:24,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:24,148 INFO L87 Difference]: Start difference. First operand 2418 states and 3217 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:24,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:24,349 INFO L93 Difference]: Finished difference Result 5074 states and 6850 transitions. [2022-04-06 13:40:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:24,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (3), 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 765 [2022-04-06 13:40:24,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:24,356 INFO L225 Difference]: With dead ends: 5074 [2022-04-06 13:40:24,357 INFO L226 Difference]: Without dead ends: 2670 [2022-04-06 13:40:24,361 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:24,361 INFO L913 BasicCegarLoop]: 220 mSDtfsCounter, 215 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:24,361 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 227 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2022-04-06 13:40:24,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2656. [2022-04-06 13:40:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 2651 states have (on average 1.3149754809505847) internal successors, (3486), 2651 states have internal predecessors, (3486), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 3490 transitions. [2022-04-06 13:40:24,423 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 3490 transitions. Word has length 765 [2022-04-06 13:40:24,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:24,423 INFO L478 AbstractCegarLoop]: Abstraction has 2656 states and 3490 transitions. [2022-04-06 13:40:24,424 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3490 transitions. [2022-04-06 13:40:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2022-04-06 13:40:24,431 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:24,432 INFO L499 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 25, 25, 24, 24, 23, 23, 22, 22, 22, 22, 18, 14, 14, 10, 10, 10, 10, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:24,432 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 13:40:24,432 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:24,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:24,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1774785123, now seen corresponding path program 1 times [2022-04-06 13:40:24,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:24,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885381885] [2022-04-06 13:40:24,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:24,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 3742 proven. 0 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2022-04-06 13:40:24,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:24,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885381885] [2022-04-06 13:40:24,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885381885] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:40:24,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:40:24,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:40:24,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468412011] [2022-04-06 13:40:24,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:40:24,568 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:40:24,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:24,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:40:24,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:40:24,569 INFO L87 Difference]: Start difference. First operand 2656 states and 3490 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:24,787 INFO L93 Difference]: Finished difference Result 5564 states and 7424 transitions. [2022-04-06 13:40:24,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:40:24,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 1 states have call successors, (3), 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 889 [2022-04-06 13:40:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:24,793 INFO L225 Difference]: With dead ends: 5564 [2022-04-06 13:40:24,793 INFO L226 Difference]: Without dead ends: 2922 [2022-04-06 13:40:24,797 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:40:24,798 INFO L913 BasicCegarLoop]: 220 mSDtfsCounter, 215 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:24,798 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 227 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:40:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2022-04-06 13:40:24,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2908. [2022-04-06 13:40:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2903 states have (on average 1.2996899758870135) internal successors, (3773), 2903 states have internal predecessors, (3773), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 3777 transitions. [2022-04-06 13:40:24,843 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 3777 transitions. Word has length 889 [2022-04-06 13:40:24,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:24,843 INFO L478 AbstractCegarLoop]: Abstraction has 2908 states and 3777 transitions. [2022-04-06 13:40:24,843 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 3 states have internal predecessors, (185), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3777 transitions. [2022-04-06 13:40:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1022 [2022-04-06 13:40:24,852 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:40:24,853 INFO L499 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29, 29, 28, 28, 27, 27, 26, 26, 26, 26, 22, 18, 18, 14, 14, 10, 10, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:24,853 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 13:40:24,853 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:40:24,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:40:24,854 INFO L85 PathProgramCache]: Analyzing trace with hash -228540207, now seen corresponding path program 1 times [2022-04-06 13:40:24,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:40:24,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208835375] [2022-04-06 13:40:24,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:24,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:40:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:40:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 11822 backedges. 6447 proven. 26 refuted. 0 times theorem prover too weak. 5349 trivial. 0 not checked. [2022-04-06 13:40:25,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:40:25,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208835375] [2022-04-06 13:40:25,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208835375] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:40:25,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522159500] [2022-04-06 13:40:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:40:25,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:25,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:40:25,020 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) [2022-04-06 13:40:25,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-06 13:40:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:40:25,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:40:25,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:40:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 11822 backedges. 6447 proven. 26 refuted. 0 times theorem prover too weak. 5349 trivial. 0 not checked. [2022-04-06 13:40:26,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:40:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 11822 backedges. 6447 proven. 26 refuted. 0 times theorem prover too weak. 5349 trivial. 0 not checked. [2022-04-06 13:40:27,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522159500] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:40:27,254 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:40:27,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-06 13:40:27,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449159334] [2022-04-06 13:40:27,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:40:27,256 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 13:40:27,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:40:27,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 13:40:27,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:40:27,256 INFO L87 Difference]: Start difference. First operand 2908 states and 3777 transitions. Second operand has 9 states, 9 states have (on average 39.44444444444444) internal successors, (355), 8 states have internal predecessors, (355), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:27,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:40:27,975 INFO L93 Difference]: Finished difference Result 4786 states and 6282 transitions. [2022-04-06 13:40:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-06 13:40:27,976 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 39.44444444444444) internal successors, (355), 8 states have internal predecessors, (355), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 1021 [2022-04-06 13:40:27,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:40:27,977 INFO L225 Difference]: With dead ends: 4786 [2022-04-06 13:40:27,977 INFO L226 Difference]: Without dead ends: 0 [2022-04-06 13:40:27,983 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 2055 GetRequests, 2044 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-04-06 13:40:27,984 INFO L913 BasicCegarLoop]: 303 mSDtfsCounter, 406 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-06 13:40:27,984 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 325 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-06 13:40:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-06 13:40:27,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-06 13:40:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-06 13:40:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-06 13:40:27,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1021 [2022-04-06 13:40:27,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:40:27,985 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-06 13:40:27,985 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 39.44444444444444) internal successors, (355), 8 states have internal predecessors, (355), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:40:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-06 13:40:27,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-06 13:40:27,989 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 13:40:28,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-06 13:40:28,202 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:40:28,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-06 13:40:30,872 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-06 13:40:30,872 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:40:30,872 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:40:30,872 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-06 13:40:30,872 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 646 657) the Hoare annotation is: true [2022-04-06 13:40:30,873 INFO L885 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: true [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L653-1(line 653) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 646 657) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 646 657) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L885 garLoopResultBuilder]: At program point ssl3_acceptENTRY(lines 22 645) the Hoare annotation is: true [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L101-1(lines 83 644) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptFINAL(lines 22 645) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L878 garLoopResultBuilder]: At program point L110-2(lines 110 632) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (= 8496 ssl3_accept_~s__state~0)) (= ssl3_accept_~blastFlag~0 0) (and .cse0 (= ssl3_accept_~s__state~0 8544)) (and .cse0 (= 8560 ssl3_accept_~s__state~0)) (and (= 8448 ssl3_accept_~s__state~0) (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~blastFlag~0 4)) (and .cse0 (= ssl3_accept_~s__state~0 8512)) (and (<= ssl3_accept_~blastFlag~0 7) (not (= ssl3_accept_~s__hit~0 0))) (and (<= 8656 ssl3_accept_~s__state~0) .cse1 .cse2 (= 3 ssl3_accept_~blastFlag~0)) (and .cse0 (= ssl3_accept_~s__state~0 8528)) (and .cse0 .cse1 .cse2) (= ssl3_accept_~s__state~0 3))) [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptEXIT(lines 22 645) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L885 garLoopResultBuilder]: At program point L633(lines 109 634) the Hoare annotation is: true [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-04-06 13:40:30,873 INFO L882 garLoopResultBuilder]: For program point L638(lines 638 640) no Hoare annotation was computed. [2022-04-06 13:40:30,874 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 613) no Hoare annotation was computed. [2022-04-06 13:40:30,874 INFO L882 garLoopResultBuilder]: For program point L638-2(lines 638 640) no Hoare annotation was computed. [2022-04-06 13:40:30,874 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 613) the Hoare annotation is: (let ((.cse0 (<= 8656 ssl3_accept_~s__state~0))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 7) (not (= ssl3_accept_~s__hit~0 0))) (and (= ssl3_accept_~blastFlag~0 0) .cse0))) [2022-04-06 13:40:30,874 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 612) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L878 garLoopResultBuilder]: At program point L222(lines 116 612) the Hoare annotation is: (or (= ssl3_accept_~blastFlag~0 0) (and (<= ssl3_accept_~blastFlag~0 7) (not (= ssl3_accept_~s__hit~0 0))) (and (< ssl3_accept_~s__state~0 8576) (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 611) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 610) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 609) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 608) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 608) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0))) (and (< ssl3_accept_~s__state~0 8576) (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 607) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L237-2(lines 219 576) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 606) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L882 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-04-06 13:40:30,875 INFO L878 garLoopResultBuilder]: At program point L577(lines 110 632) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (= 8496 ssl3_accept_~s__state~0)) (= ssl3_accept_~blastFlag~0 0) (and .cse0 (= ssl3_accept_~s__state~0 8544)) (and .cse0 (= 8560 ssl3_accept_~s__state~0)) (and (= 8448 ssl3_accept_~s__state~0) (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~blastFlag~0 4)) (and .cse0 (= ssl3_accept_~s__state~0 8512)) (and (<= ssl3_accept_~blastFlag~0 7) (not (= ssl3_accept_~s__hit~0 0))) (and (<= 8656 ssl3_accept_~s__state~0) .cse1 .cse2 (= 3 ssl3_accept_~blastFlag~0)) (and .cse0 (= ssl3_accept_~s__state~0 8528)) (and .cse0 .cse1 .cse2) (= ssl3_accept_~s__state~0 3))) [2022-04-06 13:40:30,881 INFO L878 garLoopResultBuilder]: At program point L135(lines 134 606) the Hoare annotation is: (<= ssl3_accept_~s__state~0 8656) [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 605) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L615(lines 615 629) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L614(lines 614 630) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L878 garLoopResultBuilder]: At program point L144(lines 137 605) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0))) (and (< ssl3_accept_~s__state~0 8576) (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 604) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L616(lines 616 621) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 603) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L618(lines 618 620) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L616-2(lines 615 629) no Hoare annotation was computed. [2022-04-06 13:40:30,881 INFO L882 garLoopResultBuilder]: For program point L285-2(lines 219 576) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 602) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L623(lines 623 627) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 602) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 601) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 300) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 600) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L298-2(lines 219 576) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 600) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 599) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L315(lines 315 322) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 598) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L315-2(lines 315 322) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L319(lines 319 321) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 598) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 597) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 596) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L332-2(lines 219 576) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L878 garLoopResultBuilder]: At program point L168(lines 164 596) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 595) no Hoare annotation was computed. [2022-04-06 13:40:30,882 INFO L878 garLoopResultBuilder]: At program point L362(lines 338 380) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,882 INFO L882 garLoopResultBuilder]: For program point L341(lines 341 379) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 419) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 594) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L364(lines 364 366) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L344(lines 344 378) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L878 garLoopResultBuilder]: At program point L396(lines 387 419) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,883 INFO L878 garLoopResultBuilder]: At program point L174(lines 170 594) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 593) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L344-1(lines 344 378) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L345(lines 345 375) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 417) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L429(lines 429 431) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 592) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L350(lines 350 373) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L878 garLoopResultBuilder]: At program point L408(lines 399 417) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 2) (not (<= 8576 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,883 INFO L878 garLoopResultBuilder]: At program point L177(lines 176 592) the Hoare annotation is: (let ((.cse0 (= 8448 ssl3_accept_~s__state~0))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 7) (not (= ssl3_accept_~s__hit~0 0))) (and (<= ssl3_accept_~blastFlag~0 2) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~blastFlag~0 4)) (and (= ssl3_accept_~blastFlag~0 0) .cse0))) [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 591) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L411(lines 411 413) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L882 garLoopResultBuilder]: For program point L437-1(lines 437 445) no Hoare annotation was computed. [2022-04-06 13:40:30,883 INFO L878 garLoopResultBuilder]: At program point L183(lines 179 591) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8656 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< ssl3_accept_~s__state~0 8656)) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 590) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 589) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L878 garLoopResultBuilder]: At program point L189(lines 185 589) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8656 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< ssl3_accept_~s__state~0 8656)) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 588) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 587) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L878 garLoopResultBuilder]: At program point L195(lines 191 587) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8656 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< ssl3_accept_~s__state~0 8656)) (and (<= ssl3_accept_~blastFlag~0 7) (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)))) [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 586) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 585) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L878 garLoopResultBuilder]: At program point L201(lines 197 585) the Hoare annotation is: (or (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8656 ssl3_accept_~s__state~0))) (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 9)) (and (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< ssl3_accept_~s__state~0 8656))) [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 584) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 583) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L489-2(lines 219 576) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L878 garLoopResultBuilder]: At program point L207(lines 203 583) the Hoare annotation is: (let ((.cse0 (<= 8656 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ssl3_accept_~s__state~0 8672))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (<= ssl3_accept_~blastFlag~0 7) (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse2 .cse1) (and .cse0 .cse2 .cse1 (= 3 ssl3_accept_~blastFlag~0)))) [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 582) no Hoare annotation was computed. [2022-04-06 13:40:30,884 INFO L882 garLoopResultBuilder]: For program point L500(lines 500 504) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L492(lines 492 494) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L510(lines 510 513) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 581) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L500-2(lines 500 504) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L878 garLoopResultBuilder]: At program point L493(lines 83 644) the Hoare annotation is: false [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L515(lines 515 525) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L878 garLoopResultBuilder]: At program point L213(lines 209 581) the Hoare annotation is: (let ((.cse0 (<= 8656 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 (= 3 ssl3_accept_~blastFlag~0)) (and .cse0 (<= ssl3_accept_~blastFlag~0 7) (not (= ssl3_accept_~s__hit~0 0))) (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (<= ssl3_accept_~blastFlag~0 2) .cse0 .cse1))) [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L212(lines 212 580) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 642) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L521-2(lines 219 576) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L518(lines 518 524) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L539(lines 539 549) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L215(lines 215 579) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L531(lines 531 534) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L521(lines 521 523) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L545-2(lines 219 576) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L542(lines 542 548) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L885 garLoopResultBuilder]: At program point L216(lines 215 579) the Hoare annotation is: true [2022-04-06 13:40:30,885 INFO L885 garLoopResultBuilder]: At program point L218(lines 217 579) the Hoare annotation is: true [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L554(lines 554 558) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L545(lines 545 547) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L564(lines 564 570) no Hoare annotation was computed. [2022-04-06 13:40:30,885 INFO L882 garLoopResultBuilder]: For program point L554-2(lines 554 558) no Hoare annotation was computed. [2022-04-06 13:40:30,886 INFO L882 garLoopResultBuilder]: For program point L567(lines 567 569) no Hoare annotation was computed. [2022-04-06 13:40:30,886 INFO L882 garLoopResultBuilder]: For program point L564-1(lines 564 570) no Hoare annotation was computed. [2022-04-06 13:40:30,888 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:40:30,889 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 13:40:30,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:40:30 BasicIcfg [2022-04-06 13:40:30,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 13:40:30,919 INFO L158 Benchmark]: Toolchain (without parser) took 19119.03ms. Allocated memory was 186.6MB in the beginning and 484.4MB in the end (delta: 297.8MB). Free memory was 133.8MB in the beginning and 215.8MB in the end (delta: -82.0MB). Peak memory consumption was 268.0MB. Max. memory is 8.0GB. [2022-04-06 13:40:30,919 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 150.6MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 13:40:30,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.86ms. Allocated memory is still 186.6MB. Free memory was 133.7MB in the beginning and 158.7MB in the end (delta: -25.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-06 13:40:30,919 INFO L158 Benchmark]: Boogie Preprocessor took 59.02ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 156.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 13:40:30,919 INFO L158 Benchmark]: RCFGBuilder took 564.15ms. Allocated memory is still 186.6MB. Free memory was 156.0MB in the beginning and 127.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-04-06 13:40:30,919 INFO L158 Benchmark]: IcfgTransformer took 42.87ms. Allocated memory is still 186.6MB. Free memory was 127.7MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 13:40:30,920 INFO L158 Benchmark]: TraceAbstraction took 18167.79ms. Allocated memory was 186.6MB in the beginning and 484.4MB in the end (delta: 297.8MB). Free memory was 124.0MB in the beginning and 215.8MB in the end (delta: -91.8MB). Peak memory consumption was 258.6MB. Max. memory is 8.0GB. [2022-04-06 13:40:30,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 150.6MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.86ms. Allocated memory is still 186.6MB. Free memory was 133.7MB in the beginning and 158.7MB in the end (delta: -25.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.02ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 156.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 564.15ms. Allocated memory is still 186.6MB. Free memory was 156.0MB in the beginning and 127.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * IcfgTransformer took 42.87ms. Allocated memory is still 186.6MB. Free memory was 127.7MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 18167.79ms. Allocated memory was 186.6MB in the beginning and 484.4MB in the end (delta: 297.8MB). Free memory was 124.0MB in the beginning and 215.8MB in the end (delta: -91.8MB). Peak memory consumption was 258.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 642]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 156 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 22, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6301 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6299 mSDsluCounter, 6427 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 881 mSDsCounter, 570 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6072 IncrementalHoareTripleChecker+Invalid, 6642 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 570 mSolverCounterUnsat, 5546 mSDtfsCounter, 6072 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5241 GetRequests, 5156 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3215occurred in iteration=17, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 22 MinimizatonAttempts, 1119 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 377 NumberOfFragments, 695 HoareAnnotationTreeSize, 32 FomulaSimplifications, 7001 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 32 FomulaSimplificationsInter, 8248 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 10614 NumberOfCodeBlocks, 10614 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 12206 ConstructedInterpolants, 0 QuantifiedInterpolants, 17010 SizeOfPredicates, 2 NumberOfNonLiveVariables, 5723 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 83450/83710 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((blastFlag <= 2 && 8496 == s__state) || blastFlag == 0) || (blastFlag <= 2 && s__state == 8544)) || (blastFlag <= 2 && 8560 == s__state)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && blastFlag == 4)) || (blastFlag <= 2 && s__state == 8512)) || (blastFlag <= 7 && !(s__hit == 0))) || (((8656 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) && 3 == blastFlag)) || (blastFlag <= 2 && s__state == 8528)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672)) || s__state == 3 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8656 <= s__state)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((8448 == s__state && blastFlag <= 7) && !(s__hit == 0)) || ((blastFlag <= 2 && 8448 == s__state) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && blastFlag == 4)) || (blastFlag == 0 && 8448 == s__state) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0))) || ((s__state < 8576 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8656 <= s__state)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8656 <= s__state)) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 9)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((((8656 <= s__state && s__s3__tmp__next_state___0 <= 8576) && 3 == blastFlag) || ((8656 <= s__state && blastFlag <= 7) && !(s__hit == 0))) || (blastFlag == 0 && 8656 <= s__state)) || ((blastFlag <= 2 && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: s__state <= 8656 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && 8656 <= s__state) && s__state <= 8672) || (((8656 <= s__state && blastFlag <= 7) && !(s__hit == 0)) && s__state <= 8672)) || (((blastFlag <= 2 && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672)) || (((8656 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) && 3 == blastFlag) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0))) || ((s__state < 8576 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((8656 <= s__state && blastFlag <= 7) && !(s__hit == 0)) || (blastFlag == 0 && 8656 <= s__state) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (blastFlag == 0 || (blastFlag <= 7 && !(s__hit == 0))) || ((s__state < 8576 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8656 <= s__state)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state < 8656)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((blastFlag <= 2 && 8496 == s__state) || blastFlag == 0) || (blastFlag <= 2 && s__state == 8544)) || (blastFlag <= 2 && 8560 == s__state)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && blastFlag == 4)) || (blastFlag <= 2 && s__state == 8512)) || (blastFlag <= 7 && !(s__hit == 0))) || (((8656 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) && 3 == blastFlag)) || (blastFlag <= 2 && s__state == 8528)) || ((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672)) || s__state == 3 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(8576 <= s__state)) || ((blastFlag <= 7 && s__state <= 8656) && !(s__hit == 0)) RESULT: Ultimate proved your program to be correct! [2022-04-06 13:40:30,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...