/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-7968f31 [2022-03-17 23:16:27,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 23:16:27,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 23:16:27,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 23:16:27,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 23:16:27,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 23:16:27,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 23:16:27,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 23:16:27,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 23:16:27,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 23:16:27,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 23:16:27,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 23:16:27,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 23:16:27,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 23:16:27,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 23:16:27,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 23:16:27,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 23:16:27,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 23:16:27,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 23:16:27,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 23:16:27,990 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 23:16:27,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 23:16:27,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 23:16:27,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 23:16:27,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 23:16:28,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 23:16:28,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 23:16:28,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 23:16:28,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 23:16:28,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 23:16:28,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 23:16:28,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 23:16:28,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 23:16:28,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 23:16:28,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 23:16:28,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 23:16:28,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 23:16:28,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 23:16:28,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 23:16:28,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 23:16:28,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 23:16:28,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 23:16:28,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:16:28,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 23:16:28,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 23:16:28,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 23:16:28,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 23:16:28,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 23:16:28,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 23:16:28,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 23:16:28,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 23:16:28,053 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 23:16:28,053 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 23:16:28,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 23:16:28,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 23:16:28,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 23:16:28,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 23:16:28,330 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 23:16:28,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-03-17 23:16:28,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa58520ec/be37e544c126496c9c48c52467bc298a/FLAG7e2327353 [2022-03-17 23:16:28,864 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 23:16:28,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-03-17 23:16:28,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa58520ec/be37e544c126496c9c48c52467bc298a/FLAG7e2327353 [2022-03-17 23:16:29,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa58520ec/be37e544c126496c9c48c52467bc298a [2022-03-17 23:16:29,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 23:16:29,244 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 23:16:29,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 23:16:29,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 23:16:29,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 23:16:29,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4902c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29, skipping insertion in model container [2022-03-17 23:16:29,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 23:16:29,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 23:16:29,489 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] [2022-03-17 23:16:29,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:16:29,503 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 23:16:29,542 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] [2022-03-17 23:16:29,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:16:29,571 INFO L208 MainTranslator]: Completed translation [2022-03-17 23:16:29,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29 WrapperNode [2022-03-17 23:16:29,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 23:16:29,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 23:16:29,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 23:16:29,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 23:16:29,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 23:16:29,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 23:16:29,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 23:16:29,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 23:16:29,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (1/1) ... [2022-03-17 23:16:29,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:16:29,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:29,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-17 23:16:29,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-17 23:16:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 23:16:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 23:16:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 23:16:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-17 23:16:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 23:16:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 23:16:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 23:16:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 23:16:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 23:16:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-17 23:16:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 23:16:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-17 23:16:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-17 23:16:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 23:16:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 23:16:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 23:16:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 23:16:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 23:16:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 23:16:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 23:16:29,842 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 23:16:29,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 23:16:29,962 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:16:30,423 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-17 23:16:30,423 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-17 23:16:30,426 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 23:16:30,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 23:16:30,434 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-17 23:16:30,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:16:30 BoogieIcfgContainer [2022-03-17 23:16:30,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 23:16:30,439 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 23:16:30,439 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 23:16:30,440 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 23:16:30,443 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:16:30" (1/1) ... [2022-03-17 23:16:30,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:16:30 BasicIcfg [2022-03-17 23:16:30,485 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 23:16:30,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 23:16:30,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 23:16:30,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 23:16:30,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:16:29" (1/4) ... [2022-03-17 23:16:30,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9d8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:16:30, skipping insertion in model container [2022-03-17 23:16:30,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:29" (2/4) ... [2022-03-17 23:16:30,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9d8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:16:30, skipping insertion in model container [2022-03-17 23:16:30,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:16:30" (3/4) ... [2022-03-17 23:16:30,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9d8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:16:30, skipping insertion in model container [2022-03-17 23:16:30,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:16:30" (4/4) ... [2022-03-17 23:16:30,495 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.cqvasr [2022-03-17 23:16:30,500 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 23:16:30,500 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 23:16:30,541 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 23:16:30,550 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-17 23:16:30,550 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 23:16:30,588 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) [2022-03-17 23:16:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-17 23:16:30,596 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:30,596 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:30,597 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:30,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:30,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1429632901, now seen corresponding path program 1 times [2022-03-17 23:16:30,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:30,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433419767] [2022-03-17 23:16:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:30,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:30,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:30,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433419767] [2022-03-17 23:16:30,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433419767] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:30,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:30,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:30,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062992485] [2022-03-17 23:16:30,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:30,932 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:30,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:30,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:30,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:30,975 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) [2022-03-17 23:16:31,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:31,379 INFO L93 Difference]: Finished difference Result 373 states and 628 transitions. [2022-03-17 23:16:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:31,382 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 [2022-03-17 23:16:31,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:31,392 INFO L225 Difference]: With dead ends: 373 [2022-03-17 23:16:31,392 INFO L226 Difference]: Without dead ends: 217 [2022-03-17 23:16:31,395 INFO L911 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 [2022-03-17 23:16:31,399 INFO L912 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:31,400 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 223 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 23:16:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-03-17 23:16:31,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-03-17 23:16:31,444 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) [2022-03-17 23:16:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 321 transitions. [2022-03-17 23:16:31,447 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 321 transitions. Word has length 30 [2022-03-17 23:16:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:31,447 INFO L478 AbstractCegarLoop]: Abstraction has 217 states and 321 transitions. [2022-03-17 23:16:31,448 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) [2022-03-17 23:16:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 321 transitions. [2022-03-17 23:16:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-17 23:16:31,450 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:31,450 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:31,451 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 23:16:31,451 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:31,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:31,452 INFO L85 PathProgramCache]: Analyzing trace with hash -249836072, now seen corresponding path program 1 times [2022-03-17 23:16:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:31,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122359177] [2022-03-17 23:16:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:31,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:31,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122359177] [2022-03-17 23:16:31,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122359177] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:31,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:31,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:31,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74922297] [2022-03-17 23:16:31,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:31,519 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:31,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:31,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:31,520 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) [2022-03-17 23:16:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:31,751 INFO L93 Difference]: Finished difference Result 346 states and 519 transitions. [2022-03-17 23:16:31,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:31,751 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 [2022-03-17 23:16:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:31,753 INFO L225 Difference]: With dead ends: 346 [2022-03-17 23:16:31,753 INFO L226 Difference]: Without dead ends: 242 [2022-03-17 23:16:31,754 INFO L911 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 [2022-03-17 23:16:31,755 INFO L912 BasicCegarLoop]: 185 mSDtfsCounter, 188 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:31,756 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 192 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-03-17 23:16:31,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 234. [2022-03-17 23:16:31,770 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) [2022-03-17 23:16:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 343 transitions. [2022-03-17 23:16:31,771 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 343 transitions. Word has length 44 [2022-03-17 23:16:31,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:31,771 INFO L478 AbstractCegarLoop]: Abstraction has 234 states and 343 transitions. [2022-03-17 23:16:31,772 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) [2022-03-17 23:16:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 343 transitions. [2022-03-17 23:16:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-17 23:16:31,774 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:31,774 INFO L500 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] [2022-03-17 23:16:31,774 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 23:16:31,774 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:31,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:31,775 INFO L85 PathProgramCache]: Analyzing trace with hash 55715608, now seen corresponding path program 1 times [2022-03-17 23:16:31,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:31,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419683390] [2022-03-17 23:16:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:31,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:31,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:31,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419683390] [2022-03-17 23:16:31,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419683390] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:31,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:31,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:31,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926894813] [2022-03-17 23:16:31,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:31,835 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:31,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:31,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:31,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:31,836 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) [2022-03-17 23:16:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:32,060 INFO L93 Difference]: Finished difference Result 376 states and 550 transitions. [2022-03-17 23:16:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:32,061 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 [2022-03-17 23:16:32,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:32,063 INFO L225 Difference]: With dead ends: 376 [2022-03-17 23:16:32,063 INFO L226 Difference]: Without dead ends: 255 [2022-03-17 23:16:32,065 INFO L911 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 [2022-03-17 23:16:32,071 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:32,073 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 203 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:32,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-03-17 23:16:32,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-03-17 23:16:32,093 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) [2022-03-17 23:16:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 370 transitions. [2022-03-17 23:16:32,100 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 370 transitions. Word has length 61 [2022-03-17 23:16:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:32,100 INFO L478 AbstractCegarLoop]: Abstraction has 255 states and 370 transitions. [2022-03-17 23:16:32,100 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) [2022-03-17 23:16:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 370 transitions. [2022-03-17 23:16:32,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-17 23:16:32,103 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:32,103 INFO L500 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] [2022-03-17 23:16:32,103 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-17 23:16:32,103 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:32,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:32,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2132924951, now seen corresponding path program 1 times [2022-03-17 23:16:32,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:32,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125449993] [2022-03-17 23:16:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:32,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-17 23:16:32,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:32,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125449993] [2022-03-17 23:16:32,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125449993] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:32,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:32,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:32,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981326519] [2022-03-17 23:16:32,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:32,220 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:32,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:32,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:32,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:32,224 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) [2022-03-17 23:16:32,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:32,436 INFO L93 Difference]: Finished difference Result 599 states and 901 transitions. [2022-03-17 23:16:32,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:32,437 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 [2022-03-17 23:16:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:32,441 INFO L225 Difference]: With dead ends: 599 [2022-03-17 23:16:32,441 INFO L226 Difference]: Without dead ends: 355 [2022-03-17 23:16:32,444 INFO L911 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 [2022-03-17 23:16:32,453 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:32,454 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 203 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:32,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-03-17 23:16:32,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 337. [2022-03-17 23:16:32,468 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) [2022-03-17 23:16:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 470 transitions. [2022-03-17 23:16:32,469 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 470 transitions. Word has length 61 [2022-03-17 23:16:32,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:32,470 INFO L478 AbstractCegarLoop]: Abstraction has 337 states and 470 transitions. [2022-03-17 23:16:32,470 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) [2022-03-17 23:16:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 470 transitions. [2022-03-17 23:16:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-17 23:16:32,480 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:32,481 INFO L500 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] [2022-03-17 23:16:32,481 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-17 23:16:32,481 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:32,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:32,482 INFO L85 PathProgramCache]: Analyzing trace with hash -917277864, now seen corresponding path program 1 times [2022-03-17 23:16:32,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:32,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013028499] [2022-03-17 23:16:32,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:32,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-17 23:16:32,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:32,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013028499] [2022-03-17 23:16:32,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013028499] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:32,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:32,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:32,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553848580] [2022-03-17 23:16:32,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:32,571 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:32,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:32,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:32,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:32,575 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) [2022-03-17 23:16:32,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:32,789 INFO L93 Difference]: Finished difference Result 707 states and 1002 transitions. [2022-03-17 23:16:32,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:32,789 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 [2022-03-17 23:16:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:32,793 INFO L225 Difference]: With dead ends: 707 [2022-03-17 23:16:32,793 INFO L226 Difference]: Without dead ends: 383 [2022-03-17 23:16:32,818 INFO L911 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 [2022-03-17 23:16:32,819 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:32,819 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:32,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-03-17 23:16:32,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 375. [2022-03-17 23:16:32,836 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) [2022-03-17 23:16:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 518 transitions. [2022-03-17 23:16:32,838 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 518 transitions. Word has length 61 [2022-03-17 23:16:32,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:32,838 INFO L478 AbstractCegarLoop]: Abstraction has 375 states and 518 transitions. [2022-03-17 23:16:32,838 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) [2022-03-17 23:16:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 518 transitions. [2022-03-17 23:16:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-17 23:16:32,840 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:32,840 INFO L500 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] [2022-03-17 23:16:32,840 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-17 23:16:32,840 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:32,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash 414496236, now seen corresponding path program 1 times [2022-03-17 23:16:32,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:32,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382560881] [2022-03-17 23:16:32,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:32,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-17 23:16:32,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:32,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382560881] [2022-03-17 23:16:32,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382560881] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:32,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:32,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:32,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289999562] [2022-03-17 23:16:32,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:32,915 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:32,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:32,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:32,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:32,916 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) [2022-03-17 23:16:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:33,113 INFO L93 Difference]: Finished difference Result 843 states and 1203 transitions. [2022-03-17 23:16:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:33,114 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 [2022-03-17 23:16:33,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:33,118 INFO L225 Difference]: With dead ends: 843 [2022-03-17 23:16:33,118 INFO L226 Difference]: Without dead ends: 479 [2022-03-17 23:16:33,119 INFO L911 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 [2022-03-17 23:16:33,120 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:33,120 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 180 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:33,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-03-17 23:16:33,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 453. [2022-03-17 23:16:33,135 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) [2022-03-17 23:16:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 652 transitions. [2022-03-17 23:16:33,139 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 652 transitions. Word has length 74 [2022-03-17 23:16:33,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:33,139 INFO L478 AbstractCegarLoop]: Abstraction has 453 states and 652 transitions. [2022-03-17 23:16:33,139 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) [2022-03-17 23:16:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 652 transitions. [2022-03-17 23:16:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-17 23:16:33,141 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:33,141 INFO L500 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] [2022-03-17 23:16:33,141 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-17 23:16:33,142 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:33,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:33,142 INFO L85 PathProgramCache]: Analyzing trace with hash -284056342, now seen corresponding path program 1 times [2022-03-17 23:16:33,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:33,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473327375] [2022-03-17 23:16:33,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:33,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-17 23:16:33,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:33,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473327375] [2022-03-17 23:16:33,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473327375] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:33,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:33,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:33,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457291876] [2022-03-17 23:16:33,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:33,198 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:33,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:33,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:33,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:33,199 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) [2022-03-17 23:16:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:33,368 INFO L93 Difference]: Finished difference Result 941 states and 1364 transitions. [2022-03-17 23:16:33,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:33,369 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 [2022-03-17 23:16:33,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:33,371 INFO L225 Difference]: With dead ends: 941 [2022-03-17 23:16:33,371 INFO L226 Difference]: Without dead ends: 501 [2022-03-17 23:16:33,372 INFO L911 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 [2022-03-17 23:16:33,373 INFO L912 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 [2022-03-17 23:16:33,373 INFO L913 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] [2022-03-17 23:16:33,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-03-17 23:16:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 495. [2022-03-17 23:16:33,385 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) [2022-03-17 23:16:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 704 transitions. [2022-03-17 23:16:33,387 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 704 transitions. Word has length 77 [2022-03-17 23:16:33,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:33,388 INFO L478 AbstractCegarLoop]: Abstraction has 495 states and 704 transitions. [2022-03-17 23:16:33,388 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) [2022-03-17 23:16:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 704 transitions. [2022-03-17 23:16:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-17 23:16:33,389 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:33,389 INFO L500 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] [2022-03-17 23:16:33,390 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-17 23:16:33,390 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:33,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:33,390 INFO L85 PathProgramCache]: Analyzing trace with hash 867065265, now seen corresponding path program 1 times [2022-03-17 23:16:33,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:33,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960811365] [2022-03-17 23:16:33,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:33,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-17 23:16:33,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:33,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960811365] [2022-03-17 23:16:33,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960811365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:33,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:33,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:33,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246697748] [2022-03-17 23:16:33,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:33,438 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:33,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:33,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:33,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:33,439 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) [2022-03-17 23:16:33,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:33,610 INFO L93 Difference]: Finished difference Result 995 states and 1421 transitions. [2022-03-17 23:16:33,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:33,610 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 [2022-03-17 23:16:33,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:33,613 INFO L225 Difference]: With dead ends: 995 [2022-03-17 23:16:33,613 INFO L226 Difference]: Without dead ends: 733 [2022-03-17 23:16:33,614 INFO L911 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 [2022-03-17 23:16:33,615 INFO L912 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 [2022-03-17 23:16:33,615 INFO L913 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] [2022-03-17 23:16:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-03-17 23:16:33,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2022-03-17 23:16:33,630 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) [2022-03-17 23:16:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1042 transitions. [2022-03-17 23:16:33,633 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1042 transitions. Word has length 97 [2022-03-17 23:16:33,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:33,633 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 1042 transitions. [2022-03-17 23:16:33,634 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) [2022-03-17 23:16:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1042 transitions. [2022-03-17 23:16:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-17 23:16:33,635 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:33,635 INFO L500 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] [2022-03-17 23:16:33,636 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-17 23:16:33,636 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:33,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:33,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2105140516, now seen corresponding path program 1 times [2022-03-17 23:16:33,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:33,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105180884] [2022-03-17 23:16:33,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:33,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-17 23:16:33,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:33,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105180884] [2022-03-17 23:16:33,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105180884] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:33,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:33,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:33,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057220819] [2022-03-17 23:16:33,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:33,680 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:33,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:33,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:33,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:33,681 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) [2022-03-17 23:16:33,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:33,854 INFO L93 Difference]: Finished difference Result 974 states and 1388 transitions. [2022-03-17 23:16:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:33,855 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 [2022-03-17 23:16:33,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:33,859 INFO L225 Difference]: With dead ends: 974 [2022-03-17 23:16:33,874 INFO L226 Difference]: Without dead ends: 972 [2022-03-17 23:16:33,875 INFO L911 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 [2022-03-17 23:16:33,877 INFO L912 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 [2022-03-17 23:16:33,877 INFO L913 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] [2022-03-17 23:16:33,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-03-17 23:16:33,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2022-03-17 23:16:33,898 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) [2022-03-17 23:16:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1386 transitions. [2022-03-17 23:16:33,902 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1386 transitions. Word has length 99 [2022-03-17 23:16:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:33,902 INFO L478 AbstractCegarLoop]: Abstraction has 972 states and 1386 transitions. [2022-03-17 23:16:33,902 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) [2022-03-17 23:16:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1386 transitions. [2022-03-17 23:16:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-17 23:16:33,905 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:33,905 INFO L500 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] [2022-03-17 23:16:33,905 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-17 23:16:33,905 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:33,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:33,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1291902012, now seen corresponding path program 1 times [2022-03-17 23:16:33,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:33,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484167188] [2022-03-17 23:16:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-17 23:16:33,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:33,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484167188] [2022-03-17 23:16:33,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484167188] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:33,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:33,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:33,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694553184] [2022-03-17 23:16:33,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:33,974 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:33,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:33,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:33,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:33,975 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) [2022-03-17 23:16:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:34,174 INFO L93 Difference]: Finished difference Result 2037 states and 2925 transitions. [2022-03-17 23:16:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:34,175 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 [2022-03-17 23:16:34,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:34,179 INFO L225 Difference]: With dead ends: 2037 [2022-03-17 23:16:34,179 INFO L226 Difference]: Without dead ends: 1078 [2022-03-17 23:16:34,181 INFO L911 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 [2022-03-17 23:16:34,182 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:34,183 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 192 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:34,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-03-17 23:16:34,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1064. [2022-03-17 23:16:34,206 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) [2022-03-17 23:16:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1498 transitions. [2022-03-17 23:16:34,210 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1498 transitions. Word has length 124 [2022-03-17 23:16:34,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:34,211 INFO L478 AbstractCegarLoop]: Abstraction has 1064 states and 1498 transitions. [2022-03-17 23:16:34,211 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) [2022-03-17 23:16:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1498 transitions. [2022-03-17 23:16:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-17 23:16:34,214 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:34,214 INFO L500 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] [2022-03-17 23:16:34,214 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-17 23:16:34,214 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:34,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:34,215 INFO L85 PathProgramCache]: Analyzing trace with hash 28142000, now seen corresponding path program 1 times [2022-03-17 23:16:34,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:34,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477816216] [2022-03-17 23:16:34,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:34,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-17 23:16:34,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:34,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477816216] [2022-03-17 23:16:34,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477816216] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:34,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:34,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:34,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058166929] [2022-03-17 23:16:34,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:34,283 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:34,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:34,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:34,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:34,284 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) [2022-03-17 23:16:34,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:34,526 INFO L93 Difference]: Finished difference Result 2319 states and 3319 transitions. [2022-03-17 23:16:34,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:34,527 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 [2022-03-17 23:16:34,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:34,532 INFO L225 Difference]: With dead ends: 2319 [2022-03-17 23:16:34,532 INFO L226 Difference]: Without dead ends: 1260 [2022-03-17 23:16:34,534 INFO L911 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 [2022-03-17 23:16:34,535 INFO L912 BasicCegarLoop]: 196 mSDtfsCounter, 222 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-17 23:16:34,535 INFO L913 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] [2022-03-17 23:16:34,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-03-17 23:16:34,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1220. [2022-03-17 23:16:34,561 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) [2022-03-17 23:16:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1722 transitions. [2022-03-17 23:16:34,566 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1722 transitions. Word has length 145 [2022-03-17 23:16:34,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:34,566 INFO L478 AbstractCegarLoop]: Abstraction has 1220 states and 1722 transitions. [2022-03-17 23:16:34,567 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) [2022-03-17 23:16:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1722 transitions. [2022-03-17 23:16:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-17 23:16:34,570 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:34,570 INFO L500 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] [2022-03-17 23:16:34,570 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-17 23:16:34,570 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash -34972528, now seen corresponding path program 1 times [2022-03-17 23:16:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:34,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924479100] [2022-03-17 23:16:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:34,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-17 23:16:34,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:34,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924479100] [2022-03-17 23:16:34,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924479100] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:34,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:34,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:34,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694085707] [2022-03-17 23:16:34,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:34,645 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:34,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:34,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:34,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:34,646 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) [2022-03-17 23:16:34,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:34,868 INFO L93 Difference]: Finished difference Result 2547 states and 3571 transitions. [2022-03-17 23:16:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:34,868 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 [2022-03-17 23:16:34,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:34,873 INFO L225 Difference]: With dead ends: 2547 [2022-03-17 23:16:34,874 INFO L226 Difference]: Without dead ends: 1340 [2022-03-17 23:16:34,876 INFO L911 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 [2022-03-17 23:16:34,877 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:34,877 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:34,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2022-03-17 23:16:34,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1332. [2022-03-17 23:16:34,904 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) [2022-03-17 23:16:34,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1854 transitions. [2022-03-17 23:16:34,909 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1854 transitions. Word has length 181 [2022-03-17 23:16:34,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:34,910 INFO L478 AbstractCegarLoop]: Abstraction has 1332 states and 1854 transitions. [2022-03-17 23:16:34,910 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) [2022-03-17 23:16:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1854 transitions. [2022-03-17 23:16:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-17 23:16:34,914 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:34,914 INFO L500 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] [2022-03-17 23:16:34,914 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-17 23:16:34,914 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:34,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:34,915 INFO L85 PathProgramCache]: Analyzing trace with hash 245377361, now seen corresponding path program 1 times [2022-03-17 23:16:34,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:34,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453204968] [2022-03-17 23:16:34,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:34,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-17 23:16:34,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:34,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453204968] [2022-03-17 23:16:34,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453204968] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:34,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:34,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:34,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528831926] [2022-03-17 23:16:34,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:34,974 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:34,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:34,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:34,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:34,975 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) [2022-03-17 23:16:35,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:35,209 INFO L93 Difference]: Finished difference Result 2787 states and 3871 transitions. [2022-03-17 23:16:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:35,209 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 [2022-03-17 23:16:35,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:35,215 INFO L225 Difference]: With dead ends: 2787 [2022-03-17 23:16:35,215 INFO L226 Difference]: Without dead ends: 1468 [2022-03-17 23:16:35,218 INFO L911 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 [2022-03-17 23:16:35,219 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:35,219 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 193 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:35,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2022-03-17 23:16:35,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1456. [2022-03-17 23:16:35,253 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) [2022-03-17 23:16:35,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1998 transitions. [2022-03-17 23:16:35,259 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1998 transitions. Word has length 181 [2022-03-17 23:16:35,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:35,260 INFO L478 AbstractCegarLoop]: Abstraction has 1456 states and 1998 transitions. [2022-03-17 23:16:35,260 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) [2022-03-17 23:16:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1998 transitions. [2022-03-17 23:16:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-17 23:16:35,264 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:35,264 INFO L500 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] [2022-03-17 23:16:35,265 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-17 23:16:35,265 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:35,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1018474241, now seen corresponding path program 1 times [2022-03-17 23:16:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:35,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190224293] [2022-03-17 23:16:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-03-17 23:16:35,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:35,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190224293] [2022-03-17 23:16:35,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190224293] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:35,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:35,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529454382] [2022-03-17 23:16:35,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:35,335 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:35,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:35,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:35,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:35,336 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) [2022-03-17 23:16:35,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:35,547 INFO L93 Difference]: Finished difference Result 4338 states and 5956 transitions. [2022-03-17 23:16:35,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:35,548 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 [2022-03-17 23:16:35,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:35,558 INFO L225 Difference]: With dead ends: 4338 [2022-03-17 23:16:35,558 INFO L226 Difference]: Without dead ends: 2895 [2022-03-17 23:16:35,562 INFO L911 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 [2022-03-17 23:16:35,563 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:35,563 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 332 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:35,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2022-03-17 23:16:35,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2893. [2022-03-17 23:16:35,666 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) [2022-03-17 23:16:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 3970 transitions. [2022-03-17 23:16:35,684 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 3970 transitions. Word has length 211 [2022-03-17 23:16:35,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:35,684 INFO L478 AbstractCegarLoop]: Abstraction has 2893 states and 3970 transitions. [2022-03-17 23:16:35,684 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) [2022-03-17 23:16:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3970 transitions. [2022-03-17 23:16:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-17 23:16:35,691 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:35,691 INFO L500 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] [2022-03-17 23:16:35,692 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-17 23:16:35,692 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:35,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1298824130, now seen corresponding path program 1 times [2022-03-17 23:16:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:35,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090738751] [2022-03-17 23:16:35,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:35,753 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-03-17 23:16:35,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:35,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090738751] [2022-03-17 23:16:35,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090738751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:35,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:35,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:35,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360329738] [2022-03-17 23:16:35,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:35,754 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:35,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:35,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:35,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:35,755 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) [2022-03-17 23:16:35,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:35,985 INFO L93 Difference]: Finished difference Result 6073 states and 8335 transitions. [2022-03-17 23:16:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:35,985 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 [2022-03-17 23:16:35,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:35,997 INFO L225 Difference]: With dead ends: 6073 [2022-03-17 23:16:35,997 INFO L226 Difference]: Without dead ends: 3193 [2022-03-17 23:16:36,003 INFO L911 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 [2022-03-17 23:16:36,004 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:36,004 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:36,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-03-17 23:16:36,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3177. [2022-03-17 23:16:36,078 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) [2022-03-17 23:16:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4294 transitions. [2022-03-17 23:16:36,090 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4294 transitions. Word has length 211 [2022-03-17 23:16:36,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:36,091 INFO L478 AbstractCegarLoop]: Abstraction has 3177 states and 4294 transitions. [2022-03-17 23:16:36,091 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) [2022-03-17 23:16:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4294 transitions. [2022-03-17 23:16:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-03-17 23:16:36,098 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:36,098 INFO L500 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] [2022-03-17 23:16:36,098 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-17 23:16:36,098 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:36,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:36,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1065824251, now seen corresponding path program 1 times [2022-03-17 23:16:36,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:36,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279310973] [2022-03-17 23:16:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-03-17 23:16:36,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:36,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279310973] [2022-03-17 23:16:36,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279310973] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:36,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:36,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:36,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889933383] [2022-03-17 23:16:36,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:36,170 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:36,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:36,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:36,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:36,171 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) [2022-03-17 23:16:36,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:36,450 INFO L93 Difference]: Finished difference Result 6489 states and 8767 transitions. [2022-03-17 23:16:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:36,451 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 [2022-03-17 23:16:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:36,462 INFO L225 Difference]: With dead ends: 6489 [2022-03-17 23:16:36,463 INFO L226 Difference]: Without dead ends: 3325 [2022-03-17 23:16:36,468 INFO L911 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 [2022-03-17 23:16:36,469 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:36,469 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:36,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2022-03-17 23:16:36,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3309. [2022-03-17 23:16:36,550 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) [2022-03-17 23:16:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 4446 transitions. [2022-03-17 23:16:36,561 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 4446 transitions. Word has length 235 [2022-03-17 23:16:36,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:36,561 INFO L478 AbstractCegarLoop]: Abstraction has 3309 states and 4446 transitions. [2022-03-17 23:16:36,561 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) [2022-03-17 23:16:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 4446 transitions. [2022-03-17 23:16:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-03-17 23:16:36,569 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:36,569 INFO L500 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] [2022-03-17 23:16:36,569 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-17 23:16:36,569 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:36,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:36,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1242927237, now seen corresponding path program 1 times [2022-03-17 23:16:36,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:36,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353055365] [2022-03-17 23:16:36,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:36,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-17 23:16:36,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:36,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353055365] [2022-03-17 23:16:36,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353055365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:36,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:36,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:36,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065702908] [2022-03-17 23:16:36,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:36,630 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:36,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:36,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:36,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:36,631 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) [2022-03-17 23:16:36,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:36,866 INFO L93 Difference]: Finished difference Result 7005 states and 9547 transitions. [2022-03-17 23:16:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:36,867 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 [2022-03-17 23:16:36,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:36,881 INFO L225 Difference]: With dead ends: 7005 [2022-03-17 23:16:36,881 INFO L226 Difference]: Without dead ends: 3709 [2022-03-17 23:16:36,887 INFO L911 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 [2022-03-17 23:16:36,888 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:36,888 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 193 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:36,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3709 states. [2022-03-17 23:16:36,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3709 to 3621. [2022-03-17 23:16:36,976 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) [2022-03-17 23:16:37,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 4814 transitions. [2022-03-17 23:16:37,034 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 4814 transitions. Word has length 246 [2022-03-17 23:16:37,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:37,036 INFO L478 AbstractCegarLoop]: Abstraction has 3621 states and 4814 transitions. [2022-03-17 23:16:37,036 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) [2022-03-17 23:16:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4814 transitions. [2022-03-17 23:16:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-03-17 23:16:37,043 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:37,044 INFO L500 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] [2022-03-17 23:16:37,044 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-17 23:16:37,044 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:37,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:37,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2060787207, now seen corresponding path program 1 times [2022-03-17 23:16:37,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:37,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286456080] [2022-03-17 23:16:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:37,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-17 23:16:37,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:37,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286456080] [2022-03-17 23:16:37,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286456080] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:37,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:37,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:37,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814109510] [2022-03-17 23:16:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:37,102 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:37,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:37,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:37,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:37,102 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) [2022-03-17 23:16:37,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:37,304 INFO L93 Difference]: Finished difference Result 7637 states and 10091 transitions. [2022-03-17 23:16:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:37,305 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 [2022-03-17 23:16:37,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:37,320 INFO L225 Difference]: With dead ends: 7637 [2022-03-17 23:16:37,320 INFO L226 Difference]: Without dead ends: 4029 [2022-03-17 23:16:37,327 INFO L911 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 [2022-03-17 23:16:37,328 INFO L912 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 [2022-03-17 23:16:37,328 INFO L913 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] [2022-03-17 23:16:37,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2022-03-17 23:16:37,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 3741. [2022-03-17 23:16:37,423 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) [2022-03-17 23:16:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 4958 transitions. [2022-03-17 23:16:37,436 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 4958 transitions. Word has length 260 [2022-03-17 23:16:37,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:37,436 INFO L478 AbstractCegarLoop]: Abstraction has 3741 states and 4958 transitions. [2022-03-17 23:16:37,436 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) [2022-03-17 23:16:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 4958 transitions. [2022-03-17 23:16:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-03-17 23:16:37,445 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:37,445 INFO L500 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] [2022-03-17 23:16:37,446 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-17 23:16:37,446 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:37,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1573739583, now seen corresponding path program 1 times [2022-03-17 23:16:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:37,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980418531] [2022-03-17 23:16:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:37,511 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-03-17 23:16:37,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:37,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980418531] [2022-03-17 23:16:37,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980418531] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:37,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:37,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:37,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343133957] [2022-03-17 23:16:37,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:37,512 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:37,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:37,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:37,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:37,513 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) [2022-03-17 23:16:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:37,786 INFO L93 Difference]: Finished difference Result 10693 states and 14248 transitions. [2022-03-17 23:16:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:37,787 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 [2022-03-17 23:16:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:37,805 INFO L225 Difference]: With dead ends: 10693 [2022-03-17 23:16:37,805 INFO L226 Difference]: Without dead ends: 6965 [2022-03-17 23:16:37,814 INFO L911 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 [2022-03-17 23:16:37,814 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:37,815 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 323 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:37,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6965 states. [2022-03-17 23:16:37,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6965 to 6963. [2022-03-17 23:16:37,975 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) [2022-03-17 23:16:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 9282 transitions. [2022-03-17 23:16:37,997 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 9282 transitions. Word has length 261 [2022-03-17 23:16:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:37,998 INFO L478 AbstractCegarLoop]: Abstraction has 6963 states and 9282 transitions. [2022-03-17 23:16:37,999 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) [2022-03-17 23:16:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 9282 transitions. [2022-03-17 23:16:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-03-17 23:16:38,010 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:38,011 INFO L500 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] [2022-03-17 23:16:38,011 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-17 23:16:38,011 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:38,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:38,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2124357282, now seen corresponding path program 1 times [2022-03-17 23:16:38,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:38,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101947382] [2022-03-17 23:16:38,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:38,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-03-17 23:16:38,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:38,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101947382] [2022-03-17 23:16:38,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101947382] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:38,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:38,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:38,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471550380] [2022-03-17 23:16:38,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:38,066 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:38,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:38,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:38,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:38,067 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) [2022-03-17 23:16:38,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:38,367 INFO L93 Difference]: Finished difference Result 13921 states and 18539 transitions. [2022-03-17 23:16:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:38,368 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 [2022-03-17 23:16:38,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:38,386 INFO L225 Difference]: With dead ends: 13921 [2022-03-17 23:16:38,386 INFO L226 Difference]: Without dead ends: 6971 [2022-03-17 23:16:38,401 INFO L911 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 [2022-03-17 23:16:38,402 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:38,402 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:38,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6971 states. [2022-03-17 23:16:38,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6971 to 6939. [2022-03-17 23:16:38,576 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) [2022-03-17 23:16:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 9066 transitions. [2022-03-17 23:16:38,593 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 9066 transitions. Word has length 262 [2022-03-17 23:16:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:38,593 INFO L478 AbstractCegarLoop]: Abstraction has 6939 states and 9066 transitions. [2022-03-17 23:16:38,593 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) [2022-03-17 23:16:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 9066 transitions. [2022-03-17 23:16:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-03-17 23:16:38,606 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:38,607 INFO L500 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] [2022-03-17 23:16:38,607 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-17 23:16:38,607 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash 631259348, now seen corresponding path program 1 times [2022-03-17 23:16:38,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:38,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595574330] [2022-03-17 23:16:38,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:38,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-17 23:16:38,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:38,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595574330] [2022-03-17 23:16:38,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595574330] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:16:38,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441160918] [2022-03-17 23:16:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:38,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:16:38,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:38,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-17 23:16:38,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-17 23:16:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:38,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-17 23:16:38,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:16:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-03-17 23:16:39,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-17 23:16:39,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441160918] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:39,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-17 23:16:39,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-03-17 23:16:39,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254301444] [2022-03-17 23:16:39,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:39,396 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:39,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:39,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:39,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:16:39,397 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) [2022-03-17 23:16:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:39,659 INFO L93 Difference]: Finished difference Result 14043 states and 18356 transitions. [2022-03-17 23:16:39,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:39,659 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 [2022-03-17 23:16:39,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:39,675 INFO L225 Difference]: With dead ends: 14043 [2022-03-17 23:16:39,675 INFO L226 Difference]: Without dead ends: 7089 [2022-03-17 23:16:39,688 INFO L911 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 [2022-03-17 23:16:39,689 INFO L912 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 [2022-03-17 23:16:39,689 INFO L913 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] [2022-03-17 23:16:39,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7089 states. [2022-03-17 23:16:39,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7089 to 6945. [2022-03-17 23:16:39,850 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) [2022-03-17 23:16:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 9074 transitions. [2022-03-17 23:16:39,867 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 9074 transitions. Word has length 285 [2022-03-17 23:16:39,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:39,867 INFO L478 AbstractCegarLoop]: Abstraction has 6945 states and 9074 transitions. [2022-03-17 23:16:39,867 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) [2022-03-17 23:16:39,867 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 9074 transitions. [2022-03-17 23:16:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-03-17 23:16:39,880 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:39,880 INFO L500 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] [2022-03-17 23:16:39,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-17 23:16:40,095 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 [2022-03-17 23:16:40,096 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:40,096 INFO L85 PathProgramCache]: Analyzing trace with hash 223476135, now seen corresponding path program 1 times [2022-03-17 23:16:40,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:40,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289887621] [2022-03-17 23:16:40,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:40,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-17 23:16:40,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:40,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289887621] [2022-03-17 23:16:40,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289887621] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:16:40,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328545854] [2022-03-17 23:16:40,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:40,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:16:40,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:40,172 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) [2022-03-17 23:16:40,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-17 23:16:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:40,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:16:40,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:16:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-17 23:16:40,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:16:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-17 23:16:41,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328545854] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:16:41,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:16:41,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-17 23:16:41,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228540385] [2022-03-17 23:16:41,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:16:41,121 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 23:16:41,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:41,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 23:16:41,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:16:41,122 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) [2022-03-17 23:16:42,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:42,005 INFO L93 Difference]: Finished difference Result 18411 states and 24440 transitions. [2022-03-17 23:16:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 23:16:42,006 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 [2022-03-17 23:16:42,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:42,030 INFO L225 Difference]: With dead ends: 18411 [2022-03-17 23:16:42,031 INFO L226 Difference]: Without dead ends: 11429 [2022-03-17 23:16:42,047 INFO L911 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 [2022-03-17 23:16:42,048 INFO L912 BasicCegarLoop]: 369 mSDtfsCounter, 489 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:42,048 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 386 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-17 23:16:42,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11429 states. [2022-03-17 23:16:42,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11429 to 9779. [2022-03-17 23:16:42,291 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) [2022-03-17 23:16:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 12974 transitions. [2022-03-17 23:16:42,315 INFO L78 Accepts]: Start accepts. Automaton has 9779 states and 12974 transitions. Word has length 298 [2022-03-17 23:16:42,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:42,315 INFO L478 AbstractCegarLoop]: Abstraction has 9779 states and 12974 transitions. [2022-03-17 23:16:42,316 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) [2022-03-17 23:16:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 9779 states and 12974 transitions. [2022-03-17 23:16:42,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-03-17 23:16:42,334 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:42,334 INFO L500 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] [2022-03-17 23:16:42,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-17 23:16:42,547 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 [2022-03-17 23:16:42,547 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:42,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:42,548 INFO L85 PathProgramCache]: Analyzing trace with hash 11559004, now seen corresponding path program 2 times [2022-03-17 23:16:42,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:42,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744344642] [2022-03-17 23:16:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:42,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-17 23:16:42,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:42,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744344642] [2022-03-17 23:16:42,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744344642] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:16:42,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664179063] [2022-03-17 23:16:42,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-17 23:16:42,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:16:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:42,631 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) [2022-03-17 23:16:42,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-17 23:16:42,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-17 23:16:42,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-17 23:16:42,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:16:42,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:16:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2022-03-17 23:16:43,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-17 23:16:43,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664179063] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:43,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-17 23:16:43,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-17 23:16:43,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033712483] [2022-03-17 23:16:43,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:43,236 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-17 23:16:43,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:43,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-17 23:16:43,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:16:43,237 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) [2022-03-17 23:16:43,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:43,452 INFO L93 Difference]: Finished difference Result 16850 states and 22072 transitions. [2022-03-17 23:16:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-17 23:16:43,453 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 [2022-03-17 23:16:43,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:43,467 INFO L225 Difference]: With dead ends: 16850 [2022-03-17 23:16:43,468 INFO L226 Difference]: Without dead ends: 7090 [2022-03-17 23:16:43,486 INFO L911 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 [2022-03-17 23:16:43,487 INFO L912 BasicCegarLoop]: 170 mSDtfsCounter, 13 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-17 23:16:43,487 INFO L913 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] [2022-03-17 23:16:43,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2022-03-17 23:16:43,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 7050. [2022-03-17 23:16:43,632 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) [2022-03-17 23:16:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 9056 transitions. [2022-03-17 23:16:43,644 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 9056 transitions. Word has length 311 [2022-03-17 23:16:43,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:43,644 INFO L478 AbstractCegarLoop]: Abstraction has 7050 states and 9056 transitions. [2022-03-17 23:16:43,645 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) [2022-03-17 23:16:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 9056 transitions. [2022-03-17 23:16:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-03-17 23:16:43,655 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:43,655 INFO L500 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] [2022-03-17 23:16:43,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-17 23:16:43,875 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 [2022-03-17 23:16:43,875 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:43,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:43,876 INFO L85 PathProgramCache]: Analyzing trace with hash 250389521, now seen corresponding path program 1 times [2022-03-17 23:16:43,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:43,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784646220] [2022-03-17 23:16:43,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:43,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-17 23:16:43,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:43,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784646220] [2022-03-17 23:16:43,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784646220] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:16:43,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366704286] [2022-03-17 23:16:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:43,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:16:43,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:43,954 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) [2022-03-17 23:16:43,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-17 23:16:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:44,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:16:44,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:16:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-03-17 23:16:44,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-17 23:16:44,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366704286] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:44,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-17 23:16:44,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-17 23:16:44,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384045823] [2022-03-17 23:16:44,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:44,833 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-17 23:16:44,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:44,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-17 23:16:44,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:16:44,833 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) [2022-03-17 23:16:44,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:44,990 INFO L93 Difference]: Finished difference Result 16087 states and 20644 transitions. [2022-03-17 23:16:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-17 23:16:44,990 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 [2022-03-17 23:16:44,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:45,008 INFO L225 Difference]: With dead ends: 16087 [2022-03-17 23:16:45,009 INFO L226 Difference]: Without dead ends: 9083 [2022-03-17 23:16:45,024 INFO L911 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 [2022-03-17 23:16:45,025 INFO L912 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 [2022-03-17 23:16:45,025 INFO L913 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] [2022-03-17 23:16:45,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9083 states. [2022-03-17 23:16:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9083 to 9083. [2022-03-17 23:16:45,198 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) [2022-03-17 23:16:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9083 states to 9083 states and 11629 transitions. [2022-03-17 23:16:45,213 INFO L78 Accepts]: Start accepts. Automaton has 9083 states and 11629 transitions. Word has length 378 [2022-03-17 23:16:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:45,214 INFO L478 AbstractCegarLoop]: Abstraction has 9083 states and 11629 transitions. [2022-03-17 23:16:45,214 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) [2022-03-17 23:16:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 9083 states and 11629 transitions. [2022-03-17 23:16:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-03-17 23:16:45,223 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:45,223 INFO L500 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] [2022-03-17 23:16:45,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-17 23:16:45,447 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 [2022-03-17 23:16:45,448 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:45,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:45,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1147203163, now seen corresponding path program 1 times [2022-03-17 23:16:45,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:45,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574136268] [2022-03-17 23:16:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:45,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-17 23:16:45,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:45,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574136268] [2022-03-17 23:16:45,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574136268] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:16:45,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777063930] [2022-03-17 23:16:45,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:45,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:16:45,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:45,527 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) [2022-03-17 23:16:45,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-17 23:16:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:45,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:16:45,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:16:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-17 23:16:46,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:16:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-17 23:16:46,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777063930] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:16:46,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:16:46,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-17 23:16:46,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146881010] [2022-03-17 23:16:46,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:16:46,654 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 23:16:46,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:46,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 23:16:46,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:16:46,655 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) [2022-03-17 23:16:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:47,226 INFO L93 Difference]: Finished difference Result 19686 states and 25117 transitions. [2022-03-17 23:16:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:16:47,227 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 [2022-03-17 23:16:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:47,250 INFO L225 Difference]: With dead ends: 19686 [2022-03-17 23:16:47,251 INFO L226 Difference]: Without dead ends: 10662 [2022-03-17 23:16:47,264 INFO L911 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 [2022-03-17 23:16:47,265 INFO L912 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:47,269 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 227 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:47,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10662 states. [2022-03-17 23:16:47,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10662 to 9623. [2022-03-17 23:16:47,498 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) [2022-03-17 23:16:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9623 states to 9623 states and 12280 transitions. [2022-03-17 23:16:47,513 INFO L78 Accepts]: Start accepts. Automaton has 9623 states and 12280 transitions. Word has length 380 [2022-03-17 23:16:47,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:47,514 INFO L478 AbstractCegarLoop]: Abstraction has 9623 states and 12280 transitions. [2022-03-17 23:16:47,514 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) [2022-03-17 23:16:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 9623 states and 12280 transitions. [2022-03-17 23:16:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-03-17 23:16:47,526 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:47,526 INFO L500 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] [2022-03-17 23:16:47,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-17 23:16:47,739 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 [2022-03-17 23:16:47,740 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:47,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:47,740 INFO L85 PathProgramCache]: Analyzing trace with hash 742900883, now seen corresponding path program 1 times [2022-03-17 23:16:47,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:47,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644802494] [2022-03-17 23:16:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:47,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-17 23:16:47,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:47,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644802494] [2022-03-17 23:16:47,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644802494] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:47,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:47,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 23:16:47,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913921481] [2022-03-17 23:16:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:47,822 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 23:16:47,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:47,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 23:16:47,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 23:16:47,824 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) [2022-03-17 23:16:48,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:48,085 INFO L93 Difference]: Finished difference Result 16901 states and 21226 transitions. [2022-03-17 23:16:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 23:16:48,086 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 [2022-03-17 23:16:48,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:48,094 INFO L225 Difference]: With dead ends: 16901 [2022-03-17 23:16:48,094 INFO L226 Difference]: Without dead ends: 3828 [2022-03-17 23:16:48,107 INFO L911 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 [2022-03-17 23:16:48,108 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:48,108 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 191 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2022-03-17 23:16:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3684. [2022-03-17 23:16:48,170 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) [2022-03-17 23:16:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 4639 transitions. [2022-03-17 23:16:48,176 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 4639 transitions. Word has length 419 [2022-03-17 23:16:48,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:48,177 INFO L478 AbstractCegarLoop]: Abstraction has 3684 states and 4639 transitions. [2022-03-17 23:16:48,177 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) [2022-03-17 23:16:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 4639 transitions. [2022-03-17 23:16:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-03-17 23:16:48,185 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:48,186 INFO L500 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] [2022-03-17 23:16:48,186 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-17 23:16:48,186 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash -847208518, now seen corresponding path program 1 times [2022-03-17 23:16:48,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:48,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361303609] [2022-03-17 23:16:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:48,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:48,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-17 23:16:48,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:48,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361303609] [2022-03-17 23:16:48,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361303609] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-17 23:16:48,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582515457] [2022-03-17 23:16:48,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:48,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 23:16:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:48,295 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) [2022-03-17 23:16:48,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-17 23:16:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:48,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 23:16:48,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 23:16:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-17 23:16:49,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-17 23:16:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-17 23:16:49,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582515457] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-17 23:16:49,631 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-17 23:16:49,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-17 23:16:49,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323567904] [2022-03-17 23:16:49,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-17 23:16:49,633 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-17 23:16:49,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:49,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-17 23:16:49,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-17 23:16:49,634 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) [2022-03-17 23:16:50,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:50,064 INFO L93 Difference]: Finished difference Result 3907 states and 4918 transitions. [2022-03-17 23:16:50,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:16:50,064 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 [2022-03-17 23:16:50,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:50,065 INFO L225 Difference]: With dead ends: 3907 [2022-03-17 23:16:50,065 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 23:16:50,071 INFO L911 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 [2022-03-17 23:16:50,071 INFO L912 BasicCegarLoop]: 124 mSDtfsCounter, 243 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:50,072 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 151 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 23:16:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 23:16:50,072 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) [2022-03-17 23:16:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 23:16:50,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 448 [2022-03-17 23:16:50,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:50,074 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 23:16:50,074 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) [2022-03-17 23:16:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 23:16:50,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 23:16:50,077 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 23:16:50,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-17 23:16:50,283 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 [2022-03-17 23:16:50,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-17 23:16:53,708 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|)) [2022-03-17 23:16:53,708 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-17 23:16:53,708 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-17 23:16:53,708 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-17 23:16:53,708 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-17 23:16:53,708 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-17 23:16:53,708 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-17 23:16:53,708 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 557) the Hoare annotation is: true [2022-03-17 23:16:53,708 INFO L882 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-03-17 23:16:53,708 INFO L882 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2022-03-17 23:16:53,709 INFO L882 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2022-03-17 23:16:53,710 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-03-17 23:16:53,710 INFO L882 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2022-03-17 23:16:53,710 INFO L882 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2022-03-17 23:16:53,710 INFO L885 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2022-03-17 23:16:53,710 INFO L882 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2022-03-17 23:16:53,711 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|))) [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 557) no Hoare annotation was computed. [2022-03-17 23:16:53,711 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|))) [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 557) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2022-03-17 23:16:53,711 INFO L882 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2022-03-17 23:16:53,712 INFO L882 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2022-03-17 23:16:53,712 INFO L882 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2022-03-17 23:16:53,712 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2022-03-17 23:16:53,712 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))) [2022-03-17 23:16:53,712 INFO L882 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2022-03-17 23:16:53,712 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-03-17 23:16:53,712 INFO L882 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2022-03-17 23:16:53,713 INFO L882 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2022-03-17 23:16:53,713 INFO L882 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2022-03-17 23:16:53,713 INFO L882 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2022-03-17 23:16:53,713 INFO L882 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2022-03-17 23:16:53,713 INFO L882 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2022-03-17 23:16:53,714 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|))) [2022-03-17 23:16:53,714 INFO L882 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2022-03-17 23:16:53,714 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))) [2022-03-17 23:16:53,714 INFO L882 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-03-17 23:16:53,714 INFO L882 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2022-03-17 23:16:53,714 INFO L882 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2022-03-17 23:16:53,714 INFO L882 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2022-03-17 23:16:53,714 INFO L882 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2022-03-17 23:16:53,714 INFO L882 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2022-03-17 23:16:53,715 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))) [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2022-03-17 23:16:53,715 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))) [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2022-03-17 23:16:53,715 INFO L882 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2022-03-17 23:16:53,716 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))) [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2022-03-17 23:16:53,716 INFO L878 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-03-17 23:16:53,716 INFO L882 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2022-03-17 23:16:53,716 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|)))) [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2022-03-17 23:16:53,717 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|)))) [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2022-03-17 23:16:53,717 INFO L882 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2022-03-17 23:16:53,718 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|)))) [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2022-03-17 23:16:53,718 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|)))) [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2022-03-17 23:16:53,718 INFO L882 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2022-03-17 23:16:53,719 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|)))) [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2022-03-17 23:16:53,719 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|)))) [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2022-03-17 23:16:53,719 INFO L882 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2022-03-17 23:16:53,720 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)))) [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2022-03-17 23:16:53,720 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))) [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2022-03-17 23:16:53,720 INFO L882 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L885 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2022-03-17 23:16:53,721 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L882 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2022-03-17 23:16:53,721 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 558 568) the Hoare annotation is: true [2022-03-17 23:16:53,721 INFO L885 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: true [2022-03-17 23:16:53,722 INFO L882 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-03-17 23:16:53,722 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 558 568) no Hoare annotation was computed. [2022-03-17 23:16:53,722 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 558 568) no Hoare annotation was computed. [2022-03-17 23:16:53,725 INFO L718 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] [2022-03-17 23:16:53,726 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 23:16:53,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:16:53 BasicIcfg [2022-03-17 23:16:53,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 23:16:53,755 INFO L158 Benchmark]: Toolchain (without parser) took 24510.79ms. Allocated memory was 198.2MB in the beginning and 572.5MB in the end (delta: 374.3MB). Free memory was 147.7MB in the beginning and 451.3MB in the end (delta: -303.6MB). Peak memory consumption was 324.4MB. Max. memory is 8.0GB. [2022-03-17 23:16:53,755 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory was 164.4MB in the beginning and 164.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 23:16:53,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.11ms. Allocated memory is still 198.2MB. Free memory was 147.6MB in the beginning and 170.9MB in the end (delta: -23.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-17 23:16:53,755 INFO L158 Benchmark]: Boogie Preprocessor took 92.28ms. Allocated memory is still 198.2MB. Free memory was 170.9MB in the beginning and 168.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-17 23:16:53,755 INFO L158 Benchmark]: RCFGBuilder took 772.56ms. Allocated memory is still 198.2MB. Free memory was 168.9MB in the beginning and 143.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-17 23:16:53,756 INFO L158 Benchmark]: IcfgTransformer took 46.15ms. Allocated memory is still 198.2MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 23:16:53,756 INFO L158 Benchmark]: TraceAbstraction took 23266.46ms. Allocated memory was 198.2MB in the beginning and 572.5MB in the end (delta: 374.3MB). Free memory was 139.5MB in the beginning and 451.3MB in the end (delta: -311.8MB). Peak memory consumption was 316.3MB. Max. memory is 8.0GB. [2022-03-17 23:16:53,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory was 164.4MB in the beginning and 164.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.11ms. Allocated memory is still 198.2MB. Free memory was 147.6MB in the beginning and 170.9MB in the end (delta: -23.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.28ms. Allocated memory is still 198.2MB. Free memory was 170.9MB in the beginning and 168.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 772.56ms. Allocated memory is still 198.2MB. Free memory was 168.9MB in the beginning and 143.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 46.15ms. Allocated memory is still 198.2MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 23266.46ms. Allocated memory was 198.2MB in the beginning and 572.5MB in the end (delta: 374.3MB). Free memory was 139.5MB in the beginning and 451.3MB in the end (delta: -311.8MB). Peak memory consumption was 316.3MB. 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: 23.2s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6682 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6680 mSDsluCounter, 6203 SdHoareTripleChecker+Invalid, 4.3s 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, 0.4s 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: 2.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 3601 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 221 NumberOfFragments, 793 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4668 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 12932 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.0s 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! [2022-03-17 23:16:53,799 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...