/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_clnt_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 13:37:53,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 13:37:53,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 13:37:53,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 13:37:53,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 13:37:53,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 13:37:53,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 13:37:53,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 13:37:53,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 13:37:53,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 13:37:53,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 13:37:53,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 13:37:53,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 13:37:53,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 13:37:53,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 13:37:53,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 13:37:53,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 13:37:53,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 13:37:53,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 13:37:53,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 13:37:53,338 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 13:37:53,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 13:37:53,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 13:37:53,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 13:37:53,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 13:37:53,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 13:37:53,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 13:37:53,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 13:37:53,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 13:37:53,366 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 13:37:53,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 13:37:53,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 13:37:53,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-06 13:37:53,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-06 13:37:53,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-06 13:37:53,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-06 13:37:53,393 INFO L138 SettingsManager]: * Use SBE=true [2022-04-06 13:37:53,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 13:37:53,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 13:37:53,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 13:37:53,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 13:37:53,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 13:37:53,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:37:53,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-06 13:37:53,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 13:37:53,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-06 13:37:53,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 13:37:53,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-06 13:37:53,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-06 13:37:53,397 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 13:37:53,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 13:37:53,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 13:37:53,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 13:37:53,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 13:37:53,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 13:37:53,608 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 13:37:53,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-04-06 13:37:53,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024d9cf22/081d956b6a5b4be78fa683bd3256684f/FLAG2cb1e1d7f [2022-04-06 13:37:53,995 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 13:37:53,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-04-06 13:37:54,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024d9cf22/081d956b6a5b4be78fa683bd3256684f/FLAG2cb1e1d7f [2022-04-06 13:37:54,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024d9cf22/081d956b6a5b4be78fa683bd3256684f [2022-04-06 13:37:54,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 13:37:54,428 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 13:37:54,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 13:37:54,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 13:37:54,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 13:37:54,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7881d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54, skipping insertion in model container [2022-04-06 13:37:54,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 13:37:54,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 13:37:54,629 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_clnt_1.cil-1.c[35497,35510] [2022-04-06 13:37:54,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:37:54,639 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 13:37:54,683 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_clnt_1.cil-1.c[35497,35510] [2022-04-06 13:37:54,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:37:54,695 INFO L208 MainTranslator]: Completed translation [2022-04-06 13:37:54,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54 WrapperNode [2022-04-06 13:37:54,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 13:37:54,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 13:37:54,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 13:37:54,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 13:37:54,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 13:37:54,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 13:37:54,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 13:37:54,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 13:37:54,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (1/1) ... [2022-04-06 13:37:54,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:37:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:37:54,768 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 13:37:54,774 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 13:37:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 13:37:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 13:37:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 13:37:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-06 13:37:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 13:37:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 13:37:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 13:37:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 13:37:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 13:37:54,865 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 13:37:54,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 13:37:54,956 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:37:55,165 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-06 13:37:55,165 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-06 13:37:55,167 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 13:37:55,172 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 13:37:55,172 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 13:37:55,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:37:55 BoogieIcfgContainer [2022-04-06 13:37:55,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 13:37:55,174 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 13:37:55,174 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 13:37:55,175 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 13:37:55,177 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:37:55" (1/1) ... [2022-04-06 13:37:55,179 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-06 13:37:55,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:37:55 BasicIcfg [2022-04-06 13:37:55,200 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 13:37:55,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 13:37:55,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 13:37:55,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 13:37:55,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:37:54" (1/4) ... [2022-04-06 13:37:55,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8db8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:37:55, skipping insertion in model container [2022-04-06 13:37:55,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:37:54" (2/4) ... [2022-04-06 13:37:55,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8db8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:37:55, skipping insertion in model container [2022-04-06 13:37:55,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:37:55" (3/4) ... [2022-04-06 13:37:55,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8db8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:37:55, skipping insertion in model container [2022-04-06 13:37:55,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:37:55" (4/4) ... [2022-04-06 13:37:55,209 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.cqvasr [2022-04-06 13:37:55,212 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-06 13:37:55,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 13:37:55,243 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 13:37:55,249 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 13:37:55,249 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 13:37:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 128 states have (on average 1.703125) internal successors, (218), 129 states have internal predecessors, (218), 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 13:37:55,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-06 13:37:55,280 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:55,281 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] [2022-04-06 13:37:55,281 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:55,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:55,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1429632901, now seen corresponding path program 1 times [2022-04-06 13:37:55,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:55,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115894752] [2022-04-06 13:37:55,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:55,535 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 13:37:55,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:55,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115894752] [2022-04-06 13:37:55,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115894752] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:55,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:55,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:55,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547794395] [2022-04-06 13:37:55,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:55,543 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:55,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:55,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:55,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:55,568 INFO L87 Difference]: Start difference. First operand has 136 states, 128 states have (on average 1.703125) internal successors, (218), 129 states have internal predecessors, (218), 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 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 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 13:37:55,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:55,901 INFO L93 Difference]: Finished difference Result 373 states and 628 transitions. [2022-04-06 13:37:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:55,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 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 30 [2022-04-06 13:37:55,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:55,921 INFO L225 Difference]: With dead ends: 373 [2022-04-06 13:37:55,921 INFO L226 Difference]: Without dead ends: 217 [2022-04-06 13:37:55,925 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 13:37:55,928 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 575 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:55,929 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 223 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:37:55,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-04-06 13:37:55,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-04-06 13:37:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 212 states have (on average 1.4952830188679245) internal successors, (317), 212 states have internal predecessors, (317), 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 13:37:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 321 transitions. [2022-04-06 13:37:55,971 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 321 transitions. Word has length 30 [2022-04-06 13:37:55,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:55,972 INFO L478 AbstractCegarLoop]: Abstraction has 217 states and 321 transitions. [2022-04-06 13:37:55,972 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 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 13:37:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 321 transitions. [2022-04-06 13:37:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-06 13:37:55,974 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:55,974 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:55,974 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 13:37:55,974 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:55,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:55,975 INFO L85 PathProgramCache]: Analyzing trace with hash -249836072, now seen corresponding path program 1 times [2022-04-06 13:37:55,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:55,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655788635] [2022-04-06 13:37:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:55,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:37:56,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:56,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655788635] [2022-04-06 13:37:56,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655788635] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:56,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:56,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:56,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396150047] [2022-04-06 13:37:56,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:56,035 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:56,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:56,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:56,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:56,036 INFO L87 Difference]: Start difference. First operand 217 states and 321 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 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 13:37:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:56,192 INFO L93 Difference]: Finished difference Result 346 states and 519 transitions. [2022-04-06 13:37:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:56,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 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 44 [2022-04-06 13:37:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:56,194 INFO L225 Difference]: With dead ends: 346 [2022-04-06 13:37:56,194 INFO L226 Difference]: Without dead ends: 242 [2022-04-06 13:37:56,195 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 13:37:56,196 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 188 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:56,196 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 192 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:56,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-04-06 13:37:56,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 234. [2022-04-06 13:37:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 229 states have (on average 1.480349344978166) internal successors, (339), 229 states have internal predecessors, (339), 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 13:37:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 343 transitions. [2022-04-06 13:37:56,207 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 343 transitions. Word has length 44 [2022-04-06 13:37:56,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:56,207 INFO L478 AbstractCegarLoop]: Abstraction has 234 states and 343 transitions. [2022-04-06 13:37:56,207 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 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 13:37:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 343 transitions. [2022-04-06 13:37:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:37:56,208 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:56,209 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:56,209 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 13:37:56,209 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:56,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:56,209 INFO L85 PathProgramCache]: Analyzing trace with hash 55715608, now seen corresponding path program 1 times [2022-04-06 13:37:56,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:56,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301863685] [2022-04-06 13:37:56,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:37:56,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:56,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301863685] [2022-04-06 13:37:56,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301863685] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:56,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:56,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:56,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525225227] [2022-04-06 13:37:56,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:56,257 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:56,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:56,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:56,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:56,257 INFO L87 Difference]: Start difference. First operand 234 states and 343 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 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 13:37:56,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:56,392 INFO L93 Difference]: Finished difference Result 376 states and 550 transitions. [2022-04-06 13:37:56,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:56,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 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 61 [2022-04-06 13:37:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:56,393 INFO L225 Difference]: With dead ends: 376 [2022-04-06 13:37:56,393 INFO L226 Difference]: Without dead ends: 255 [2022-04-06 13:37:56,394 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 13:37:56,395 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:56,395 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 203 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-04-06 13:37:56,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-04-06 13:37:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 250 states have (on average 1.464) internal successors, (366), 250 states have internal predecessors, (366), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 370 transitions. [2022-04-06 13:37:56,404 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 370 transitions. Word has length 61 [2022-04-06 13:37:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:56,404 INFO L478 AbstractCegarLoop]: Abstraction has 255 states and 370 transitions. [2022-04-06 13:37:56,404 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 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 13:37:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 370 transitions. [2022-04-06 13:37:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:37:56,406 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:56,406 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:56,406 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 13:37:56,406 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:56,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2132924951, now seen corresponding path program 1 times [2022-04-06 13:37:56,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:56,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680980115] [2022-04-06 13:37:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:56,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-06 13:37:56,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:56,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680980115] [2022-04-06 13:37:56,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680980115] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:56,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:56,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:56,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889453927] [2022-04-06 13:37:56,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:56,453 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:56,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:56,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:56,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:56,454 INFO L87 Difference]: Start difference. First operand 255 states and 370 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 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 13:37:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:56,624 INFO L93 Difference]: Finished difference Result 599 states and 901 transitions. [2022-04-06 13:37:56,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:56,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 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 61 [2022-04-06 13:37:56,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:56,627 INFO L225 Difference]: With dead ends: 599 [2022-04-06 13:37:56,627 INFO L226 Difference]: Without dead ends: 355 [2022-04-06 13:37:56,630 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 13:37:56,638 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:56,639 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 203 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:56,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-04-06 13:37:56,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 337. [2022-04-06 13:37:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 332 states have (on average 1.4036144578313252) internal successors, (466), 332 states have internal predecessors, (466), 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 13:37:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 470 transitions. [2022-04-06 13:37:56,654 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 470 transitions. Word has length 61 [2022-04-06 13:37:56,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:56,654 INFO L478 AbstractCegarLoop]: Abstraction has 337 states and 470 transitions. [2022-04-06 13:37:56,655 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 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 13:37:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 470 transitions. [2022-04-06 13:37:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:37:56,656 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:56,656 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:56,656 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 13:37:56,657 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:56,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash -917277864, now seen corresponding path program 1 times [2022-04-06 13:37:56,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:56,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313725349] [2022-04-06 13:37:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:56,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-06 13:37:56,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:56,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313725349] [2022-04-06 13:37:56,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313725349] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:56,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:56,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:56,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254505581] [2022-04-06 13:37:56,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:56,751 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:56,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:56,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:56,752 INFO L87 Difference]: Start difference. First operand 337 states and 470 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 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 13:37:56,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:56,900 INFO L93 Difference]: Finished difference Result 707 states and 1002 transitions. [2022-04-06 13:37:56,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:56,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 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 61 [2022-04-06 13:37:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:56,902 INFO L225 Difference]: With dead ends: 707 [2022-04-06 13:37:56,902 INFO L226 Difference]: Without dead ends: 383 [2022-04-06 13:37:56,903 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 13:37:56,904 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 188 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:56,904 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-04-06 13:37:56,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 375. [2022-04-06 13:37:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 370 states have (on average 1.3891891891891892) internal successors, (514), 370 states have internal predecessors, (514), 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 13:37:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 518 transitions. [2022-04-06 13:37:56,912 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 518 transitions. Word has length 61 [2022-04-06 13:37:56,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:56,912 INFO L478 AbstractCegarLoop]: Abstraction has 375 states and 518 transitions. [2022-04-06 13:37:56,912 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 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 13:37:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 518 transitions. [2022-04-06 13:37:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-04-06 13:37:56,914 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:56,914 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-06 13:37:56,914 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 13:37:56,914 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:56,914 INFO L85 PathProgramCache]: Analyzing trace with hash 414496236, now seen corresponding path program 1 times [2022-04-06 13:37:56,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:56,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136623202] [2022-04-06 13:37:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:56,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:56,944 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-06 13:37:56,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:56,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136623202] [2022-04-06 13:37:56,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136623202] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:56,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:56,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:56,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403445899] [2022-04-06 13:37:56,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:56,945 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:56,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:56,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:56,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:56,946 INFO L87 Difference]: Start difference. First operand 375 states and 518 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:57,097 INFO L93 Difference]: Finished difference Result 843 states and 1203 transitions. [2022-04-06 13:37:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:57,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-06 13:37:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:57,100 INFO L225 Difference]: With dead ends: 843 [2022-04-06 13:37:57,100 INFO L226 Difference]: Without dead ends: 479 [2022-04-06 13:37:57,100 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 13:37:57,101 INFO L913 BasicCegarLoop]: 173 mSDtfsCounter, 293 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:57,101 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 180 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:57,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-04-06 13:37:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 453. [2022-04-06 13:37:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4464285714285714) internal successors, (648), 448 states have internal predecessors, (648), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 652 transitions. [2022-04-06 13:37:57,111 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 652 transitions. Word has length 74 [2022-04-06 13:37:57,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:57,111 INFO L478 AbstractCegarLoop]: Abstraction has 453 states and 652 transitions. [2022-04-06 13:37:57,111 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 652 transitions. [2022-04-06 13:37:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-04-06 13:37:57,112 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:57,112 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2022-04-06 13:37:57,113 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 13:37:57,113 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:57,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:57,113 INFO L85 PathProgramCache]: Analyzing trace with hash -284056342, now seen corresponding path program 1 times [2022-04-06 13:37:57,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:57,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94280681] [2022-04-06 13:37:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:57,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-06 13:37:57,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:57,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94280681] [2022-04-06 13:37:57,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94280681] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:57,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:57,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:57,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256619668] [2022-04-06 13:37:57,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:57,181 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:57,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:57,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:57,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:57,181 INFO L87 Difference]: Start difference. First operand 453 states and 652 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 2 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 13:37:57,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:57,324 INFO L93 Difference]: Finished difference Result 941 states and 1364 transitions. [2022-04-06 13:37:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:57,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-04-06 13:37:57,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:57,327 INFO L225 Difference]: With dead ends: 941 [2022-04-06 13:37:57,327 INFO L226 Difference]: Without dead ends: 501 [2022-04-06 13:37:57,327 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 13:37:57,328 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:57,328 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 192 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:57,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-04-06 13:37:57,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 495. [2022-04-06 13:37:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 490 states have (on average 1.4285714285714286) internal successors, (700), 490 states have internal predecessors, (700), 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 13:37:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 704 transitions. [2022-04-06 13:37:57,338 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 704 transitions. Word has length 77 [2022-04-06 13:37:57,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:57,338 INFO L478 AbstractCegarLoop]: Abstraction has 495 states and 704 transitions. [2022-04-06 13:37:57,338 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 2 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 13:37:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 704 transitions. [2022-04-06 13:37:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-04-06 13:37:57,339 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:57,340 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2022-04-06 13:37:57,340 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 13:37:57,340 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:57,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:57,340 INFO L85 PathProgramCache]: Analyzing trace with hash 867065265, now seen corresponding path program 1 times [2022-04-06 13:37:57,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:57,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59689130] [2022-04-06 13:37:57,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:57,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-04-06 13:37:57,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:57,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59689130] [2022-04-06 13:37:57,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59689130] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:57,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:57,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:57,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712253581] [2022-04-06 13:37:57,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:57,376 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:57,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:57,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:57,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:57,376 INFO L87 Difference]: Start difference. First operand 495 states and 704 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 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 13:37:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:57,514 INFO L93 Difference]: Finished difference Result 995 states and 1421 transitions. [2022-04-06 13:37:57,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:57,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 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 97 [2022-04-06 13:37:57,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:57,517 INFO L225 Difference]: With dead ends: 995 [2022-04-06 13:37:57,517 INFO L226 Difference]: Without dead ends: 733 [2022-04-06 13:37:57,518 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 13:37:57,518 INFO L913 BasicCegarLoop]: 315 mSDtfsCounter, 294 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:57,518 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 322 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-04-06 13:37:57,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2022-04-06 13:37:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 728 states have (on average 1.4258241758241759) internal successors, (1038), 728 states have internal predecessors, (1038), 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 13:37:57,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1042 transitions. [2022-04-06 13:37:57,531 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1042 transitions. Word has length 97 [2022-04-06 13:37:57,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:57,532 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 1042 transitions. [2022-04-06 13:37:57,532 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 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 13:37:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1042 transitions. [2022-04-06 13:37:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-04-06 13:37:57,533 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:57,533 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2022-04-06 13:37:57,533 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 13:37:57,533 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:57,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:57,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2105140516, now seen corresponding path program 1 times [2022-04-06 13:37:57,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:57,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673118169] [2022-04-06 13:37:57,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:57,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-06 13:37:57,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:57,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673118169] [2022-04-06 13:37:57,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673118169] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:57,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:57,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:57,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474083725] [2022-04-06 13:37:57,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:57,563 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:57,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:57,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:57,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:57,564 INFO L87 Difference]: Start difference. First operand 733 states and 1042 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:57,692 INFO L93 Difference]: Finished difference Result 974 states and 1388 transitions. [2022-04-06 13:37:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:57,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 99 [2022-04-06 13:37:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:57,695 INFO L225 Difference]: With dead ends: 974 [2022-04-06 13:37:57,696 INFO L226 Difference]: Without dead ends: 972 [2022-04-06 13:37:57,696 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 13:37:57,697 INFO L913 BasicCegarLoop]: 163 mSDtfsCounter, 456 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:57,697 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [456 Valid, 170 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:57,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-04-06 13:37:57,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2022-04-06 13:37:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 967 states have (on average 1.4291623578076524) internal successors, (1382), 967 states have internal predecessors, (1382), 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 13:37:57,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1386 transitions. [2022-04-06 13:37:57,714 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1386 transitions. Word has length 99 [2022-04-06 13:37:57,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:57,715 INFO L478 AbstractCegarLoop]: Abstraction has 972 states and 1386 transitions. [2022-04-06 13:37:57,715 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:57,715 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1386 transitions. [2022-04-06 13:37:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-04-06 13:37:57,716 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:57,717 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 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] [2022-04-06 13:37:57,717 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 13:37:57,717 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:57,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:57,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1291902012, now seen corresponding path program 1 times [2022-04-06 13:37:57,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:57,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406630926] [2022-04-06 13:37:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:57,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-06 13:37:57,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:57,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406630926] [2022-04-06 13:37:57,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406630926] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:57,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:57,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:57,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873613601] [2022-04-06 13:37:57,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:57,748 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:57,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:57,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:57,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:57,749 INFO L87 Difference]: Start difference. First operand 972 states and 1386 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:57,899 INFO L93 Difference]: Finished difference Result 2037 states and 2925 transitions. [2022-04-06 13:37:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:57,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 124 [2022-04-06 13:37:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:57,903 INFO L225 Difference]: With dead ends: 2037 [2022-04-06 13:37:57,903 INFO L226 Difference]: Without dead ends: 1078 [2022-04-06 13:37:57,905 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 13:37:57,905 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 186 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:57,905 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 192 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-04-06 13:37:57,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1064. [2022-04-06 13:37:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1059 states have (on average 1.4107648725212465) internal successors, (1494), 1059 states have internal predecessors, (1494), 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 13:37:57,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1498 transitions. [2022-04-06 13:37:57,923 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1498 transitions. Word has length 124 [2022-04-06 13:37:57,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:57,924 INFO L478 AbstractCegarLoop]: Abstraction has 1064 states and 1498 transitions. [2022-04-06 13:37:57,924 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1498 transitions. [2022-04-06 13:37:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-04-06 13:37:57,926 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:57,926 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 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] [2022-04-06 13:37:57,926 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 13:37:57,926 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:57,926 INFO L85 PathProgramCache]: Analyzing trace with hash 28142000, now seen corresponding path program 1 times [2022-04-06 13:37:57,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:57,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668070951] [2022-04-06 13:37:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-04-06 13:37:57,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:57,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668070951] [2022-04-06 13:37:57,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668070951] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:57,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:57,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:57,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367457979] [2022-04-06 13:37:57,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:57,964 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:57,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:57,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:57,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:57,964 INFO L87 Difference]: Start difference. First operand 1064 states and 1498 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:58,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:58,158 INFO L93 Difference]: Finished difference Result 2319 states and 3319 transitions. [2022-04-06 13:37:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:58,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2022-04-06 13:37:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:58,162 INFO L225 Difference]: With dead ends: 2319 [2022-04-06 13:37:58,162 INFO L226 Difference]: Without dead ends: 1260 [2022-04-06 13:37:58,164 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 13:37:58,164 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 222 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:58,164 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 203 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:37:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-04-06 13:37:58,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1220. [2022-04-06 13:37:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 1215 states have (on average 1.4139917695473252) internal successors, (1718), 1215 states have internal predecessors, (1718), 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 13:37:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1722 transitions. [2022-04-06 13:37:58,185 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1722 transitions. Word has length 145 [2022-04-06 13:37:58,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:58,185 INFO L478 AbstractCegarLoop]: Abstraction has 1220 states and 1722 transitions. [2022-04-06 13:37:58,185 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1722 transitions. [2022-04-06 13:37:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-04-06 13:37:58,187 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:58,187 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:58,187 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 13:37:58,187 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:58,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:58,188 INFO L85 PathProgramCache]: Analyzing trace with hash -34972528, now seen corresponding path program 1 times [2022-04-06 13:37:58,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:58,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205235809] [2022-04-06 13:37:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-04-06 13:37:58,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:58,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205235809] [2022-04-06 13:37:58,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205235809] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:58,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:58,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:58,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620897600] [2022-04-06 13:37:58,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:58,244 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:58,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:58,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:58,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:58,244 INFO L87 Difference]: Start difference. First operand 1220 states and 1722 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 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 13:37:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:58,392 INFO L93 Difference]: Finished difference Result 2547 states and 3571 transitions. [2022-04-06 13:37:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:58,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 181 [2022-04-06 13:37:58,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:58,396 INFO L225 Difference]: With dead ends: 2547 [2022-04-06 13:37:58,396 INFO L226 Difference]: Without dead ends: 1340 [2022-04-06 13:37:58,398 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 13:37:58,398 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:58,399 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:58,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2022-04-06 13:37:58,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1332. [2022-04-06 13:37:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1327 states have (on average 1.3941220798794274) internal successors, (1850), 1327 states have internal predecessors, (1850), 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 13:37:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1854 transitions. [2022-04-06 13:37:58,422 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1854 transitions. Word has length 181 [2022-04-06 13:37:58,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:58,422 INFO L478 AbstractCegarLoop]: Abstraction has 1332 states and 1854 transitions. [2022-04-06 13:37:58,423 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 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 13:37:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1854 transitions. [2022-04-06 13:37:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-04-06 13:37:58,425 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:58,425 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:58,425 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 13:37:58,425 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:58,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:58,426 INFO L85 PathProgramCache]: Analyzing trace with hash 245377361, now seen corresponding path program 1 times [2022-04-06 13:37:58,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:58,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50824021] [2022-04-06 13:37:58,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:58,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-04-06 13:37:58,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:58,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50824021] [2022-04-06 13:37:58,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50824021] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:58,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:58,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:58,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061085711] [2022-04-06 13:37:58,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:58,473 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:58,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:58,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:58,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:58,474 INFO L87 Difference]: Start difference. First operand 1332 states and 1854 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 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 13:37:58,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:58,633 INFO L93 Difference]: Finished difference Result 2787 states and 3871 transitions. [2022-04-06 13:37:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:58,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 181 [2022-04-06 13:37:58,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:58,638 INFO L225 Difference]: With dead ends: 2787 [2022-04-06 13:37:58,638 INFO L226 Difference]: Without dead ends: 1468 [2022-04-06 13:37:58,640 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 13:37:58,641 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:58,641 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 193 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:58,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2022-04-06 13:37:58,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1456. [2022-04-06 13:37:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1451 states have (on average 1.3742246726395588) internal successors, (1994), 1451 states have internal predecessors, (1994), 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 13:37:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1998 transitions. [2022-04-06 13:37:58,665 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1998 transitions. Word has length 181 [2022-04-06 13:37:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:58,665 INFO L478 AbstractCegarLoop]: Abstraction has 1456 states and 1998 transitions. [2022-04-06 13:37:58,666 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 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 13:37:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1998 transitions. [2022-04-06 13:37:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-04-06 13:37:58,668 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:58,668 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:58,668 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 13:37:58,669 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:58,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:58,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1018474241, now seen corresponding path program 1 times [2022-04-06 13:37:58,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:58,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82297024] [2022-04-06 13:37:58,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:58,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-04-06 13:37:58,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:58,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82297024] [2022-04-06 13:37:58,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82297024] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:58,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:58,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:58,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754593151] [2022-04-06 13:37:58,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:58,723 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:58,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:58,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:58,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:58,724 INFO L87 Difference]: Start difference. First operand 1456 states and 1998 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:58,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:58,873 INFO L93 Difference]: Finished difference Result 4338 states and 5956 transitions. [2022-04-06 13:37:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:58,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 211 [2022-04-06 13:37:58,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:58,881 INFO L225 Difference]: With dead ends: 4338 [2022-04-06 13:37:58,882 INFO L226 Difference]: Without dead ends: 2895 [2022-04-06 13:37:58,901 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 13:37:58,901 INFO L913 BasicCegarLoop]: 325 mSDtfsCounter, 296 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:58,902 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 332 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:58,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2022-04-06 13:37:58,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2893. [2022-04-06 13:37:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2888 states have (on average 1.3732686980609419) internal successors, (3966), 2888 states have internal predecessors, (3966), 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 13:37:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 3970 transitions. [2022-04-06 13:37:58,977 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 3970 transitions. Word has length 211 [2022-04-06 13:37:58,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:58,977 INFO L478 AbstractCegarLoop]: Abstraction has 2893 states and 3970 transitions. [2022-04-06 13:37:58,978 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3970 transitions. [2022-04-06 13:37:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-04-06 13:37:58,982 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:58,982 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:58,982 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 13:37:58,982 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:58,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:58,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1298824130, now seen corresponding path program 1 times [2022-04-06 13:37:58,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:58,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852354682] [2022-04-06 13:37:58,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:58,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-04-06 13:37:59,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:59,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852354682] [2022-04-06 13:37:59,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852354682] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:59,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:59,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:59,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65009057] [2022-04-06 13:37:59,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:59,035 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:59,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:59,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:59,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:59,035 INFO L87 Difference]: Start difference. First operand 2893 states and 3970 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (3), 2 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 13:37:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:59,217 INFO L93 Difference]: Finished difference Result 6073 states and 8335 transitions. [2022-04-06 13:37:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:59,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (3), 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 211 [2022-04-06 13:37:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:59,226 INFO L225 Difference]: With dead ends: 6073 [2022-04-06 13:37:59,226 INFO L226 Difference]: Without dead ends: 3193 [2022-04-06 13:37:59,232 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 13:37:59,233 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:59,234 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:59,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-04-06 13:37:59,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3177. [2022-04-06 13:37:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3172 states have (on average 1.3524590163934427) internal successors, (4290), 3172 states have internal predecessors, (4290), 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 13:37:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4294 transitions. [2022-04-06 13:37:59,290 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4294 transitions. Word has length 211 [2022-04-06 13:37:59,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:59,291 INFO L478 AbstractCegarLoop]: Abstraction has 3177 states and 4294 transitions. [2022-04-06 13:37:59,291 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (3), 2 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 13:37:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4294 transitions. [2022-04-06 13:37:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-04-06 13:37:59,296 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:59,296 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:59,296 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 13:37:59,297 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:59,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:59,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1065824251, now seen corresponding path program 1 times [2022-04-06 13:37:59,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:59,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665909400] [2022-04-06 13:37:59,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:59,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-04-06 13:37:59,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:59,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665909400] [2022-04-06 13:37:59,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665909400] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:59,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:59,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:59,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744566579] [2022-04-06 13:37:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:59,340 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:59,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:59,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:59,341 INFO L87 Difference]: Start difference. First operand 3177 states and 4294 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:59,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:59,515 INFO L93 Difference]: Finished difference Result 6489 states and 8767 transitions. [2022-04-06 13:37:59,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:59,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 235 [2022-04-06 13:37:59,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:59,525 INFO L225 Difference]: With dead ends: 6489 [2022-04-06 13:37:59,525 INFO L226 Difference]: Without dead ends: 3325 [2022-04-06 13:37:59,530 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 13:37:59,531 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:59,531 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:59,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2022-04-06 13:37:59,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3309. [2022-04-06 13:37:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3304 states have (on average 1.3444309927360776) internal successors, (4442), 3304 states have internal predecessors, (4442), 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 13:37:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 4446 transitions. [2022-04-06 13:37:59,598 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 4446 transitions. Word has length 235 [2022-04-06 13:37:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:59,598 INFO L478 AbstractCegarLoop]: Abstraction has 3309 states and 4446 transitions. [2022-04-06 13:37:59,598 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 4446 transitions. [2022-04-06 13:37:59,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-04-06 13:37:59,604 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:59,604 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:59,604 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 13:37:59,604 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:59,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:59,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1242927237, now seen corresponding path program 1 times [2022-04-06 13:37:59,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:59,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827025764] [2022-04-06 13:37:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:59,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-04-06 13:37:59,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:59,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827025764] [2022-04-06 13:37:59,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827025764] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:59,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:59,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:59,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835423170] [2022-04-06 13:37:59,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:59,672 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:59,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:59,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:59,672 INFO L87 Difference]: Start difference. First operand 3309 states and 4446 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:59,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:37:59,858 INFO L93 Difference]: Finished difference Result 7005 states and 9547 transitions. [2022-04-06 13:37:59,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:37:59,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 246 [2022-04-06 13:37:59,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:37:59,868 INFO L225 Difference]: With dead ends: 7005 [2022-04-06 13:37:59,868 INFO L226 Difference]: Without dead ends: 3709 [2022-04-06 13:37:59,875 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 13:37:59,875 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 223 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:37:59,875 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 193 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:37:59,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3709 states. [2022-04-06 13:37:59,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3709 to 3621. [2022-04-06 13:37:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3621 states, 3616 states have (on average 1.3301991150442478) internal successors, (4810), 3616 states have internal predecessors, (4810), 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 13:37:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 4814 transitions. [2022-04-06 13:37:59,946 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 4814 transitions. Word has length 246 [2022-04-06 13:37:59,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:37:59,946 INFO L478 AbstractCegarLoop]: Abstraction has 3621 states and 4814 transitions. [2022-04-06 13:37:59,946 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:37:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4814 transitions. [2022-04-06 13:37:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-04-06 13:37:59,952 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:37:59,952 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:37:59,952 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 13:37:59,952 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:37:59,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:37:59,953 INFO L85 PathProgramCache]: Analyzing trace with hash 2060787207, now seen corresponding path program 1 times [2022-04-06 13:37:59,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:37:59,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604386321] [2022-04-06 13:37:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:37:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:37:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:37:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:37:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-04-06 13:37:59,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:37:59,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604386321] [2022-04-06 13:37:59,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604386321] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:37:59,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:37:59,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:37:59,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159776503] [2022-04-06 13:37:59,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:37:59,995 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:37:59,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:37:59,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:37:59,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:37:59,995 INFO L87 Difference]: Start difference. First operand 3621 states and 4814 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:00,157 INFO L93 Difference]: Finished difference Result 7637 states and 10091 transitions. [2022-04-06 13:38:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:00,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 260 [2022-04-06 13:38:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:00,169 INFO L225 Difference]: With dead ends: 7637 [2022-04-06 13:38:00,169 INFO L226 Difference]: Without dead ends: 4029 [2022-04-06 13:38:00,175 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 13:38:00,176 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 277 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:00,176 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 191 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:00,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2022-04-06 13:38:00,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 3741. [2022-04-06 13:38:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3741 states, 3736 states have (on average 1.326017130620985) internal successors, (4954), 3736 states have internal predecessors, (4954), 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 13:38:00,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 4958 transitions. [2022-04-06 13:38:00,246 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 4958 transitions. Word has length 260 [2022-04-06 13:38:00,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:00,246 INFO L478 AbstractCegarLoop]: Abstraction has 3741 states and 4958 transitions. [2022-04-06 13:38:00,247 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:00,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 4958 transitions. [2022-04-06 13:38:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-04-06 13:38:00,253 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:00,253 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:00,253 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 13:38:00,253 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:00,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:00,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1573739583, now seen corresponding path program 1 times [2022-04-06 13:38:00,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:00,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848122111] [2022-04-06 13:38:00,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:00,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-04-06 13:38:00,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:00,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848122111] [2022-04-06 13:38:00,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848122111] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:00,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:00,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:00,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776149667] [2022-04-06 13:38:00,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:00,326 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:00,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:00,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:00,326 INFO L87 Difference]: Start difference. First operand 3741 states and 4958 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:00,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:00,507 INFO L93 Difference]: Finished difference Result 10693 states and 14248 transitions. [2022-04-06 13:38:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:00,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 261 [2022-04-06 13:38:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:00,521 INFO L225 Difference]: With dead ends: 10693 [2022-04-06 13:38:00,521 INFO L226 Difference]: Without dead ends: 6965 [2022-04-06 13:38:00,529 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 13:38:00,530 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 258 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:00,530 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 323 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:00,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6965 states. [2022-04-06 13:38:00,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6965 to 6963. [2022-04-06 13:38:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6963 states, 6958 states have (on average 1.3334291463064099) internal successors, (9278), 6958 states have internal predecessors, (9278), 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 13:38:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 9282 transitions. [2022-04-06 13:38:00,659 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 9282 transitions. Word has length 261 [2022-04-06 13:38:00,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:00,660 INFO L478 AbstractCegarLoop]: Abstraction has 6963 states and 9282 transitions. [2022-04-06 13:38:00,660 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 9282 transitions. [2022-04-06 13:38:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-04-06 13:38:00,668 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:00,668 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:00,668 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 13:38:00,669 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:00,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:00,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2124357282, now seen corresponding path program 1 times [2022-04-06 13:38:00,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:00,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45217368] [2022-04-06 13:38:00,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:00,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-04-06 13:38:00,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:00,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45217368] [2022-04-06 13:38:00,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45217368] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:00,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:00,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:00,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008947322] [2022-04-06 13:38:00,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:00,714 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:00,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:00,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:00,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:00,715 INFO L87 Difference]: Start difference. First operand 6963 states and 9282 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 2 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 13:38:00,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:00,956 INFO L93 Difference]: Finished difference Result 13921 states and 18539 transitions. [2022-04-06 13:38:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:00,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 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 262 [2022-04-06 13:38:00,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:00,974 INFO L225 Difference]: With dead ends: 13921 [2022-04-06 13:38:00,975 INFO L226 Difference]: Without dead ends: 6971 [2022-04-06 13:38:00,983 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 13:38:00,984 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:00,984 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:00,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6971 states. [2022-04-06 13:38:01,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6971 to 6939. [2022-04-06 13:38:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 6934 states have (on average 1.3068935679261608) internal successors, (9062), 6934 states have internal predecessors, (9062), 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 13:38:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 9066 transitions. [2022-04-06 13:38:01,106 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 9066 transitions. Word has length 262 [2022-04-06 13:38:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:01,106 INFO L478 AbstractCegarLoop]: Abstraction has 6939 states and 9066 transitions. [2022-04-06 13:38:01,106 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 2 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 13:38:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 9066 transitions. [2022-04-06 13:38:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-04-06 13:38:01,114 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:01,115 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:01,116 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 13:38:01,116 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:01,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:01,116 INFO L85 PathProgramCache]: Analyzing trace with hash 631259348, now seen corresponding path program 1 times [2022-04-06 13:38:01,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:01,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040089201] [2022-04-06 13:38:01,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:01,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-04-06 13:38:01,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:01,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040089201] [2022-04-06 13:38:01,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040089201] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:01,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011645339] [2022-04-06 13:38:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:01,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:01,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:01,178 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 13:38:01,220 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 13:38:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:01,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 4 conjunts are in the unsatisfiable core [2022-04-06 13:38:01,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-04-06 13:38:01,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:38:01,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011645339] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:01,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:38:01,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-04-06 13:38:01,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163527209] [2022-04-06 13:38:01,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:01,721 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:01,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:01,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:01,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:38:01,721 INFO L87 Difference]: Start difference. First operand 6939 states and 9066 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:01,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:01,904 INFO L93 Difference]: Finished difference Result 14043 states and 18356 transitions. [2022-04-06 13:38:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:01,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 285 [2022-04-06 13:38:01,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:01,914 INFO L225 Difference]: With dead ends: 14043 [2022-04-06 13:38:01,914 INFO L226 Difference]: Without dead ends: 7089 [2022-04-06 13:38:01,924 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-06 13:38:01,924 INFO L913 BasicCegarLoop]: 149 mSDtfsCounter, 248 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:01,926 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 233 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:01,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7089 states. [2022-04-06 13:38:02,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7089 to 6945. [2022-04-06 13:38:02,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6945 states, 6940 states have (on average 1.3069164265129682) internal successors, (9070), 6940 states have internal predecessors, (9070), 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 13:38:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 9074 transitions. [2022-04-06 13:38:02,062 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 9074 transitions. Word has length 285 [2022-04-06 13:38:02,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:02,063 INFO L478 AbstractCegarLoop]: Abstraction has 6945 states and 9074 transitions. [2022-04-06 13:38:02,063 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 9074 transitions. [2022-04-06 13:38:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-04-06 13:38:02,071 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:02,072 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:02,089 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 13:38:02,288 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,SelfDestructingSolverStorable20 [2022-04-06 13:38:02,289 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:02,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:02,289 INFO L85 PathProgramCache]: Analyzing trace with hash 223476135, now seen corresponding path program 1 times [2022-04-06 13:38:02,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:02,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106712210] [2022-04-06 13:38:02,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-04-06 13:38:02,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:02,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106712210] [2022-04-06 13:38:02,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106712210] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:02,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800558190] [2022-04-06 13:38:02,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:02,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:02,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:02,351 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 13:38:02,352 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 13:38:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:02,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:02,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-04-06 13:38:02,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:38:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-04-06 13:38:03,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800558190] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:38:03,095 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:38:03,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 13:38:03,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580001644] [2022-04-06 13:38:03,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:38:03,097 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:38:03,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:03,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:38:03,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:38:03,098 INFO L87 Difference]: Start difference. First operand 6945 states and 9074 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 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 13:38:03,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:03,773 INFO L93 Difference]: Finished difference Result 18411 states and 24440 transitions. [2022-04-06 13:38:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 13:38:03,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 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 298 [2022-04-06 13:38:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:03,790 INFO L225 Difference]: With dead ends: 18411 [2022-04-06 13:38:03,790 INFO L226 Difference]: Without dead ends: 11429 [2022-04-06 13:38:03,801 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:38:03,802 INFO L913 BasicCegarLoop]: 369 mSDtfsCounter, 489 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:03,802 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 386 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:38:03,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11429 states. [2022-04-06 13:38:03,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11429 to 9779. [2022-04-06 13:38:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9779 states, 9774 states have (on average 1.326989973398813) internal successors, (12970), 9774 states have internal predecessors, (12970), 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 13:38:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 12974 transitions. [2022-04-06 13:38:03,968 INFO L78 Accepts]: Start accepts. Automaton has 9779 states and 12974 transitions. Word has length 298 [2022-04-06 13:38:03,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:03,968 INFO L478 AbstractCegarLoop]: Abstraction has 9779 states and 12974 transitions. [2022-04-06 13:38:03,968 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 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 13:38:03,968 INFO L276 IsEmpty]: Start isEmpty. Operand 9779 states and 12974 transitions. [2022-04-06 13:38:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-04-06 13:38:03,981 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:03,981 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:04,003 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 13:38:04,195 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,SelfDestructingSolverStorable21 [2022-04-06 13:38:04,196 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash 11559004, now seen corresponding path program 2 times [2022-04-06 13:38:04,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:04,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970637029] [2022-04-06 13:38:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:04,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:04,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-04-06 13:38:04,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:04,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970637029] [2022-04-06 13:38:04,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970637029] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:04,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23206615] [2022-04-06 13:38:04,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-06 13:38:04,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:04,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:04,254 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 13:38:04,255 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 13:38:04,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-06 13:38:04,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 13:38:04,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:04,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2022-04-06 13:38:04,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:38:04,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23206615] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:04,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:38:04,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 13:38:04,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240523943] [2022-04-06 13:38:04,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:04,726 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 13:38:04,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:04,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 13:38:04,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:38:04,727 INFO L87 Difference]: Start difference. First operand 9779 states and 12974 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:04,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:04,889 INFO L93 Difference]: Finished difference Result 16850 states and 22072 transitions. [2022-04-06 13:38:04,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 13:38:04,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 311 [2022-04-06 13:38:04,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:04,900 INFO L225 Difference]: With dead ends: 16850 [2022-04-06 13:38:04,901 INFO L226 Difference]: Without dead ends: 7090 [2022-04-06 13:38:04,911 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:38:04,912 INFO L913 BasicCegarLoop]: 170 mSDtfsCounter, 13 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:04,912 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 257 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2022-04-06 13:38:05,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 7050. [2022-04-06 13:38:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7050 states, 7045 states have (on average 1.2848828956706884) internal successors, (9052), 7045 states have internal predecessors, (9052), 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 13:38:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 9056 transitions. [2022-04-06 13:38:05,017 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 9056 transitions. Word has length 311 [2022-04-06 13:38:05,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:05,017 INFO L478 AbstractCegarLoop]: Abstraction has 7050 states and 9056 transitions. [2022-04-06 13:38:05,017 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 9056 transitions. [2022-04-06 13:38:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-04-06 13:38:05,026 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:05,026 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:05,046 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 13:38:05,243 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:05,244 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:05,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:05,244 INFO L85 PathProgramCache]: Analyzing trace with hash 250389521, now seen corresponding path program 1 times [2022-04-06 13:38:05,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:05,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465205178] [2022-04-06 13:38:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:05,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 13:38:05,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:05,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465205178] [2022-04-06 13:38:05,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465205178] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:05,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054551436] [2022-04-06 13:38:05,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:05,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:05,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:05,304 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 13:38:05,331 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 13:38:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:05,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:05,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-04-06 13:38:05,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:38:05,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054551436] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:05,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:38:05,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 13:38:05,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743474454] [2022-04-06 13:38:05,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:05,868 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 13:38:05,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:05,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 13:38:05,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:38:05,868 INFO L87 Difference]: Start difference. First operand 7050 states and 9056 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 13:38:05,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:05,982 INFO L93 Difference]: Finished difference Result 16087 states and 20644 transitions. [2022-04-06 13:38:05,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 13:38:05,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 378 [2022-04-06 13:38:05,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:05,995 INFO L225 Difference]: With dead ends: 16087 [2022-04-06 13:38:05,995 INFO L226 Difference]: Without dead ends: 9083 [2022-04-06 13:38:06,004 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 379 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 13:38:06,005 INFO L913 BasicCegarLoop]: 321 mSDtfsCounter, 61 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:06,005 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 13:38:06,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9083 states. [2022-04-06 13:38:06,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9083 to 9083. [2022-04-06 13:38:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9083 states, 9078 states have (on average 1.2805684071381362) internal successors, (11625), 9078 states have internal predecessors, (11625), 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 13:38:06,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9083 states to 9083 states and 11629 transitions. [2022-04-06 13:38:06,140 INFO L78 Accepts]: Start accepts. Automaton has 9083 states and 11629 transitions. Word has length 378 [2022-04-06 13:38:06,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:06,141 INFO L478 AbstractCegarLoop]: Abstraction has 9083 states and 11629 transitions. [2022-04-06 13:38:06,141 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 13:38:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 9083 states and 11629 transitions. [2022-04-06 13:38:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-04-06 13:38:06,148 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:06,148 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:06,168 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 13:38:06,364 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:06,365 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:06,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:06,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1147203163, now seen corresponding path program 1 times [2022-04-06 13:38:06,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:06,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544198304] [2022-04-06 13:38:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 13:38:06,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:06,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544198304] [2022-04-06 13:38:06,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544198304] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:06,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870155173] [2022-04-06 13:38:06,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:06,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:06,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:06,421 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 13:38:06,422 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 13:38:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:06,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:06,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 13:38:06,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:38:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 13:38:07,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870155173] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:38:07,211 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:38:07,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 13:38:07,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038197353] [2022-04-06 13:38:07,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:38:07,212 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:38:07,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:07,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:38:07,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:38:07,213 INFO L87 Difference]: Start difference. First operand 9083 states and 11629 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 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 13:38:07,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:07,692 INFO L93 Difference]: Finished difference Result 19686 states and 25117 transitions. [2022-04-06 13:38:07,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:38:07,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 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 380 [2022-04-06 13:38:07,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:07,708 INFO L225 Difference]: With dead ends: 19686 [2022-04-06 13:38:07,709 INFO L226 Difference]: Without dead ends: 10662 [2022-04-06 13:38:07,719 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-06 13:38:07,719 INFO L913 BasicCegarLoop]: 205 mSDtfsCounter, 480 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:07,722 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 227 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-06 13:38:07,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10662 states. [2022-04-06 13:38:07,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10662 to 9623. [2022-04-06 13:38:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9623 states, 9618 states have (on average 1.2763568309419837) internal successors, (12276), 9618 states have internal predecessors, (12276), 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 13:38:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9623 states to 9623 states and 12280 transitions. [2022-04-06 13:38:07,879 INFO L78 Accepts]: Start accepts. Automaton has 9623 states and 12280 transitions. Word has length 380 [2022-04-06 13:38:07,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:07,879 INFO L478 AbstractCegarLoop]: Abstraction has 9623 states and 12280 transitions. [2022-04-06 13:38:07,880 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 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 13:38:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 9623 states and 12280 transitions. [2022-04-06 13:38:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-04-06 13:38:07,888 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:07,888 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:07,906 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 13:38:08,105 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-04-06 13:38:08,106 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:08,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:08,106 INFO L85 PathProgramCache]: Analyzing trace with hash 742900883, now seen corresponding path program 1 times [2022-04-06 13:38:08,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:08,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286939702] [2022-04-06 13:38:08,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-04-06 13:38:08,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:08,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286939702] [2022-04-06 13:38:08,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286939702] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:08,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:08,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:08,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257357509] [2022-04-06 13:38:08,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:08,157 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:08,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:08,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:08,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:08,158 INFO L87 Difference]: Start difference. First operand 9623 states and 12280 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:08,371 INFO L93 Difference]: Finished difference Result 16901 states and 21226 transitions. [2022-04-06 13:38:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:08,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 419 [2022-04-06 13:38:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:08,377 INFO L225 Difference]: With dead ends: 16901 [2022-04-06 13:38:08,377 INFO L226 Difference]: Without dead ends: 3828 [2022-04-06 13:38:08,434 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 13:38:08,434 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:08,435 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 191 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:08,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2022-04-06 13:38:08,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3684. [2022-04-06 13:38:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3684 states, 3679 states have (on average 1.259853220983963) internal successors, (4635), 3679 states have internal predecessors, (4635), 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 13:38:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 4639 transitions. [2022-04-06 13:38:08,479 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 4639 transitions. Word has length 419 [2022-04-06 13:38:08,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:08,480 INFO L478 AbstractCegarLoop]: Abstraction has 3684 states and 4639 transitions. [2022-04-06 13:38:08,480 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 4639 transitions. [2022-04-06 13:38:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-04-06 13:38:08,494 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:08,494 INFO L499 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:08,494 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-06 13:38:08,494 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:08,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:08,494 INFO L85 PathProgramCache]: Analyzing trace with hash -847208518, now seen corresponding path program 1 times [2022-04-06 13:38:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:08,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899769979] [2022-04-06 13:38:08,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:08,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-04-06 13:38:08,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:08,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899769979] [2022-04-06 13:38:08,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899769979] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:08,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561092306] [2022-04-06 13:38:08,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:08,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:08,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:08,566 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 13:38:08,567 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 13:38:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:08,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:08,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-04-06 13:38:09,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:38:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-04-06 13:38:09,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561092306] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:38:09,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:38:09,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-06 13:38:09,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959863893] [2022-04-06 13:38:09,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:38:09,583 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 13:38:09,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:09,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 13:38:09,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:38:09,583 INFO L87 Difference]: Start difference. First operand 3684 states and 4639 transitions. Second operand has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 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 13:38:09,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:09,909 INFO L93 Difference]: Finished difference Result 3907 states and 4918 transitions. [2022-04-06 13:38:09,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:38:09,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 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 448 [2022-04-06 13:38:09,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:09,910 INFO L225 Difference]: With dead ends: 3907 [2022-04-06 13:38:09,910 INFO L226 Difference]: Without dead ends: 0 [2022-04-06 13:38:09,914 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:38:09,915 INFO L913 BasicCegarLoop]: 124 mSDtfsCounter, 243 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:09,915 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 151 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-06 13:38:09,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-06 13:38:09,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-06 13:38:09,915 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 13:38:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-06 13:38:09,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 448 [2022-04-06 13:38:09,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:09,915 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-06 13:38:09,916 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 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 13:38:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-06 13:38:09,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-06 13:38:09,918 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 13:38:09,940 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 13:38:10,140 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-04-06 13:38:10,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-06 13:38:12,834 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 13:38:12,834 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:38:12,835 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:38:12,835 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-06 13:38:12,835 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-06 13:38:12,835 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:38:12,835 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 557) the Hoare annotation is: true [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L885 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L878 garLoopResultBuilder]: At program point L112(lines 111 525) the Hoare annotation is: (or (and (<= 12292 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 557) no Hoare annotation was computed. [2022-04-06 13:38:12,836 INFO L878 garLoopResultBuilder]: At program point L216(lines 114 524) the Hoare annotation is: (or (= ssl3_connect_~blastFlag~0 0) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-04-06 13:38:12,837 INFO L882 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2022-04-06 13:38:12,837 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 557) no Hoare annotation was computed. [2022-04-06 13:38:12,837 INFO L882 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-04-06 13:38:12,837 INFO L882 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2022-04-06 13:38:12,837 INFO L882 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2022-04-06 13:38:12,837 INFO L882 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2022-04-06 13:38:12,838 INFO L882 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2022-04-06 13:38:12,838 INFO L882 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2022-04-06 13:38:12,838 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2022-04-06 13:38:12,838 INFO L878 garLoopResultBuilder]: At program point L130(lines 126 520) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and (= ssl3_connect_~s__state~0 4368) (= ssl3_connect_~blastFlag~0 0))) [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2022-04-06 13:38:12,839 INFO L878 garLoopResultBuilder]: At program point L136(lines 132 518) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 1) (< ssl3_connect_~s__state~0 4400)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-04-06 13:38:12,839 INFO L882 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2022-04-06 13:38:12,840 INFO L878 garLoopResultBuilder]: At program point L491(lines 108 544) the Hoare annotation is: (let ((.cse7 (= 4512 ssl3_connect_~s__state~0)) (.cse3 (< 4432 ssl3_connect_~s__state~0)) (.cse5 (= 3 ssl3_connect_~s__state~0)) (.cse9 (= 4432 ssl3_connect_~s__state~0)) (.cse11 (<= 4560 ssl3_connect_~s__state~0)) (.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse10 (= ssl3_connect_~s__state~0 4416)) (.cse13 (<= 4352 ssl3_connect_~s__state~0)) (.cse14 (<= ssl3_connect_~s__state~0 4352)) (.cse15 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse8 (= ssl3_connect_~s__state~0 4528)) (.cse6 (= 2 ssl3_connect_~blastFlag~0)) (.cse12 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse16 (= 4400 ssl3_connect_~s__state~0)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse4 (<= ssl3_connect_~blastFlag~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1) (and .cse6 .cse7) (and .cse1 .cse2 .cse7) (and .cse5 .cse1 .cse2 .cse4) (and .cse8 .cse1 .cse2) (and .cse0 .cse6 .cse1 .cse3) (and .cse9 .cse1 .cse2 .cse4) (and .cse10 .cse1 .cse2 .cse4) (and .cse11 .cse0 .cse6) (and .cse12 .cse5 .cse6) (and .cse13 .cse14 .cse6 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse12 .cse5 .cse2) (and .cse6 .cse9 .cse1) (and .cse11 .cse12 .cse0 .cse1 .cse2 .cse15) (and .cse1 .cse2 (= 4496 ssl3_connect_~s__state~0)) (and .cse16 .cse6 .cse1) (and .cse10 .cse6 .cse1) (and .cse1 .cse2 (= ssl3_connect_~s__state~0 4480)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse13 .cse14 .cse12 .cse1 .cse2 .cse15) (and .cse13 .cse14 .cse12 .cse6 .cse1 .cse15) (and (= ssl3_connect_~s__state~0 4368) (= ssl3_connect_~blastFlag~0 0)) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse1 .cse2 (= ssl3_connect_~s__state~0 4464)) (and .cse8 .cse6) (and .cse12 .cse16 .cse1 .cse2 .cse4))) [2022-04-06 13:38:12,840 INFO L882 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-04-06 13:38:12,840 INFO L882 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2022-04-06 13:38:12,840 INFO L882 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2022-04-06 13:38:12,840 INFO L882 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2022-04-06 13:38:12,840 INFO L882 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2022-04-06 13:38:12,840 INFO L882 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2022-04-06 13:38:12,840 INFO L878 garLoopResultBuilder]: At program point L142(lines 138 516) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-04-06 13:38:12,840 INFO L882 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L878 garLoopResultBuilder]: At program point L148(lines 144 514) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L878 garLoopResultBuilder]: At program point L154(lines 150 512) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L878 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2022-04-06 13:38:12,841 INFO L878 garLoopResultBuilder]: At program point L160(lines 156 510) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse3 (< 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 (= 2 ssl3_connect_~blastFlag~0) .cse1 .cse3) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2 .cse3) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:12,841 INFO L882 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L878 garLoopResultBuilder]: At program point L172(lines 162 508) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L878 garLoopResultBuilder]: At program point L178(lines 174 504) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2022-04-06 13:38:12,842 INFO L882 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L878 garLoopResultBuilder]: At program point L184(lines 180 502) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L878 garLoopResultBuilder]: At program point L190(lines 186 500) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L878 garLoopResultBuilder]: At program point L196(lines 192 498) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2022-04-06 13:38:12,843 INFO L878 garLoopResultBuilder]: At program point L202(lines 198 496) the Hoare annotation is: (let ((.cse2 (= 2 ssl3_connect_~blastFlag~0)) (.cse4 (<= ssl3_connect_~s__state~0 4560)) (.cse0 (< ssl3_connect_~s__state~0 12292)) (.cse1 (<= 4560 ssl3_connect_~s__state~0)) (.cse3 (= ssl3_connect_~s__hit~0 0)) (.cse5 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse3 .cse5) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse5 (<= ssl3_connect_~blastFlag~0 4)))) [2022-04-06 13:38:12,843 INFO L882 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L878 garLoopResultBuilder]: At program point L205(lines 204 494) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352)) (.cse3 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse2 (= 2 ssl3_connect_~blastFlag~0)) (.cse4 (= ssl3_connect_~s__hit~0 0)) (.cse5 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0))) (or (and .cse0 .cse1 .cse2 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5))) [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L885 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2022-04-06 13:38:12,844 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 558 568) the Hoare annotation is: true [2022-04-06 13:38:12,844 INFO L885 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: true [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 558 568) no Hoare annotation was computed. [2022-04-06 13:38:12,844 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 558 568) no Hoare annotation was computed. [2022-04-06 13:38:12,849 INFO L719 BasicCegarLoop]: Path program histogram: [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] [2022-04-06 13:38:12,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 13:38:12,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:38:12 BasicIcfg [2022-04-06 13:38:12,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 13:38:12,878 INFO L158 Benchmark]: Toolchain (without parser) took 18449.82ms. Allocated memory was 188.7MB in the beginning and 600.8MB in the end (delta: 412.1MB). Free memory was 163.3MB in the beginning and 469.9MB in the end (delta: -306.6MB). Peak memory consumption was 391.4MB. Max. memory is 8.0GB. [2022-04-06 13:38:12,878 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 13:38:12,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.24ms. Allocated memory was 188.7MB in the beginning and 314.6MB in the end (delta: 125.8MB). Free memory was 163.2MB in the beginning and 282.0MB in the end (delta: -118.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-04-06 13:38:12,878 INFO L158 Benchmark]: Boogie Preprocessor took 30.48ms. Allocated memory is still 314.6MB. Free memory was 282.0MB in the beginning and 279.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-06 13:38:12,878 INFO L158 Benchmark]: RCFGBuilder took 446.13ms. Allocated memory is still 314.6MB. Free memory was 279.9MB in the beginning and 254.1MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-04-06 13:38:12,878 INFO L158 Benchmark]: IcfgTransformer took 25.34ms. Allocated memory is still 314.6MB. Free memory was 254.1MB in the beginning and 251.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 13:38:12,879 INFO L158 Benchmark]: TraceAbstraction took 17676.59ms. Allocated memory was 314.6MB in the beginning and 600.8MB in the end (delta: 286.3MB). Free memory was 250.6MB in the beginning and 469.9MB in the end (delta: -219.3MB). Peak memory consumption was 353.8MB. Max. memory is 8.0GB. [2022-04-06 13:38:12,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 267.24ms. Allocated memory was 188.7MB in the beginning and 314.6MB in the end (delta: 125.8MB). Free memory was 163.2MB in the beginning and 282.0MB in the end (delta: -118.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.48ms. Allocated memory is still 314.6MB. Free memory was 282.0MB in the beginning and 279.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 446.13ms. Allocated memory is still 314.6MB. Free memory was 279.9MB in the beginning and 254.1MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * IcfgTransformer took 25.34ms. Allocated memory is still 314.6MB. Free memory was 254.1MB in the beginning and 251.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 17676.59ms. Allocated memory was 314.6MB in the beginning and 600.8MB in the end (delta: 286.3MB). Free memory was 250.6MB in the beginning and 469.9MB in the end (delta: -219.3MB). Peak memory consumption was 353.8MB. 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: 554]: 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, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6682 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6680 mSDsluCounter, 6203 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 549 mSDsCounter, 558 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6314 IncrementalHoareTripleChecker+Invalid, 6872 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 558 mSolverCounterUnsat, 5654 mSDtfsCounter, 6314 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3424 GetRequests, 3319 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9779occurred in iteration=22, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 27 MinimizatonAttempts, 3601 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 221 NumberOfFragments, 793 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4668 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 26 FomulaSimplificationsInter, 12932 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 7540 NumberOfCodeBlocks, 7540 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 8630 ConstructedInterpolants, 0 QuantifiedInterpolants, 12805 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4257 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 36 InterpolantComputations, 24 PerfectInterpolantSequences, 28794/28933 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: 204]: Loop Invariant Derived loop invariant: (((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0) || !(12292 <= \old(initial_state))) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || ((4464 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 1) && s__state < 4400) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((s__state <= 4560 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state) && blastFlag <= 4) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || (2 == blastFlag && 4512 == s__state)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && 4512 == s__state)) || (((3 == s__state && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256)) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4432 < s__state)) || (((4432 == s__state && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((s__state == 4416 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || ((s__s3__tmp__next_state___0 <= 4560 && 3 == s__state) && 2 == blastFlag)) || (((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 <= 4560 && 3 == s__state) && s__s3__tmp__new_cipher__algorithms == 256)) || ((2 == blastFlag && 4432 == s__state) && s__hit == 0)) || (((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && 4496 == s__state)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__state == 4416 && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && s__state == 4480)) || !(12292 <= \old(initial_state))) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (s__state == 4368 && blastFlag == 0)) || (blastFlag == 1 && s__state == 4384)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && s__state == 4464)) || (s__state == 4528 && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 4560 && 4400 == s__state) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((((((s__state <= 4560 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state) && blastFlag <= 4) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4432 < s__state)) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || ((((4352 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((((((s__state < 12292 && 4560 <= s__state) && 2 == blastFlag) && s__hit == 0) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256)) || !(12292 <= \old(initial_state))) || ((((s__state < 12292 && 4560 <= s__state) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) || (s__state == 4368 && blastFlag == 0) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || ((4464 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || ((((4352 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) || !(12292 <= \old(initial_state))) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) RESULT: Ultimate proved your program to be correct! [2022-04-06 13:38:12,912 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...