/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 00:38:38,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 00:38:38,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 00:38:38,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 00:38:38,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 00:38:38,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 00:38:38,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 00:38:38,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 00:38:38,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 00:38:38,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 00:38:38,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 00:38:38,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 00:38:38,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 00:38:38,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 00:38:38,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 00:38:38,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 00:38:38,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 00:38:38,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 00:38:38,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 00:38:38,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 00:38:38,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-15 00:38:38,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 00:38:38,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 00:38:38,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 00:38:38,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 00:38:38,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 00:38:38,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 00:38:38,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 00:38:38,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 00:38:38,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 00:38:38,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 00:38:38,432 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 00:38:38,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:38:38,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 00:38:38,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 00:38:38,434 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-15 00:38:38,434 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 00:38:38,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 00:38:38,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 00:38:38,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 00:38:38,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 00:38:38,646 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 00:38:38,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-02-15 00:38:38,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3800537e3/ac88c63705f84661b7dcb3711df136f5/FLAG3e29d7324 [2022-02-15 00:38:39,138 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 00:38:39,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-02-15 00:38:39,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3800537e3/ac88c63705f84661b7dcb3711df136f5/FLAG3e29d7324 [2022-02-15 00:38:39,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3800537e3/ac88c63705f84661b7dcb3711df136f5 [2022-02-15 00:38:39,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 00:38:39,176 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 00:38:39,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 00:38:39,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 00:38:39,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 00:38:39,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7272cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39, skipping insertion in model container [2022-02-15 00:38:39,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 00:38:39,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 00:38:39,391 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_3.cil-1.c[37413,37426] [2022-02-15 00:38:39,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:38:39,400 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 00:38:39,431 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_3.cil-1.c[37413,37426] [2022-02-15 00:38:39,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 00:38:39,441 INFO L208 MainTranslator]: Completed translation [2022-02-15 00:38:39,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39 WrapperNode [2022-02-15 00:38:39,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 00:38:39,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 00:38:39,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 00:38:39,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 00:38:39,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 00:38:39,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 00:38:39,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 00:38:39,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 00:38:39,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (1/1) ... [2022-02-15 00:38:39,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 00:38:39,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:38:39,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 00:38:39,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 00:38:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 00:38:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 00:38:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 00:38:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-02-15 00:38:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 00:38:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 00:38:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 00:38:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 00:38:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 00:38:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 00:38:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 00:38:39,657 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 00:38:39,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 00:38:39,723 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 00:38:40,020 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-02-15 00:38:40,021 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-02-15 00:38:40,023 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 00:38:40,035 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 00:38:40,037 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 00:38:40,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:38:40 BoogieIcfgContainer [2022-02-15 00:38:40,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 00:38:40,040 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-15 00:38:40,041 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-15 00:38:40,042 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-15 00:38:40,045 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:38:40" (1/1) ... [2022-02-15 00:38:40,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:38:40 BasicIcfg [2022-02-15 00:38:40,085 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-15 00:38:40,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 00:38:40,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 00:38:40,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 00:38:40,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:38:39" (1/4) ... [2022-02-15 00:38:40,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be18aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:38:40, skipping insertion in model container [2022-02-15 00:38:40,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:38:39" (2/4) ... [2022-02-15 00:38:40,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be18aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:38:40, skipping insertion in model container [2022-02-15 00:38:40,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:38:40" (3/4) ... [2022-02-15 00:38:40,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be18aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:38:40, skipping insertion in model container [2022-02-15 00:38:40,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.02 12:38:40" (4/4) ... [2022-02-15 00:38:40,090 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.cJordan [2022-02-15 00:38:40,094 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-15 00:38:40,095 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 00:38:40,126 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 00:38:40,131 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 00:38:40,132 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 00:38:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 00:38:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-15 00:38:40,155 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:40,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:40,156 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:40,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1711602328, now seen corresponding path program 1 times [2022-02-15 00:38:40,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:40,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070163148] [2022-02-15 00:38:40,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:38:40,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:40,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070163148] [2022-02-15 00:38:40,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070163148] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:40,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:40,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:40,390 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875445872] [2022-02-15 00:38:40,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:40,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:40,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:40,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:40,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:40,415 INFO L87 Difference]: Start difference. First operand has 133 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 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 6 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:40,773 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2022-02-15 00:38:40,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:40,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-15 00:38:40,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:40,785 INFO L225 Difference]: With dead ends: 166 [2022-02-15 00:38:40,785 INFO L226 Difference]: Without dead ends: 143 [2022-02-15 00:38:40,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:40,793 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 684 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:40,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 169 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-15 00:38:40,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-02-15 00:38:40,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2022-02-15 00:38:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 133 states have (on average 1.5714285714285714) internal successors, (209), 133 states have internal predecessors, (209), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 213 transitions. [2022-02-15 00:38:40,831 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 213 transitions. Word has length 30 [2022-02-15 00:38:40,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:40,831 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 213 transitions. [2022-02-15 00:38:40,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:40,831 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2022-02-15 00:38:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-15 00:38:40,832 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:40,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:40,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 00:38:40,833 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:40,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:40,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1521013668, now seen corresponding path program 1 times [2022-02-15 00:38:40,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:40,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296255527] [2022-02-15 00:38:40,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:38:40,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:40,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296255527] [2022-02-15 00:38:40,929 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296255527] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:40,929 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:40,929 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:40,929 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493181486] [2022-02-15 00:38:40,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:40,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:40,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:40,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:40,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:40,931 INFO L87 Difference]: Start difference. First operand 138 states and 213 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:41,169 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2022-02-15 00:38:41,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:41,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-15 00:38:41,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:41,170 INFO L225 Difference]: With dead ends: 167 [2022-02-15 00:38:41,170 INFO L226 Difference]: Without dead ends: 167 [2022-02-15 00:38:41,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:41,171 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 548 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:41,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 123 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-02-15 00:38:41,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2022-02-15 00:38:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 157 states have (on average 1.605095541401274) internal successors, (252), 157 states have internal predecessors, (252), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 256 transitions. [2022-02-15 00:38:41,179 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 256 transitions. Word has length 31 [2022-02-15 00:38:41,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:41,179 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 256 transitions. [2022-02-15 00:38:41,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2022-02-15 00:38:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-15 00:38:41,180 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:41,181 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 00:38:41,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 00:38:41,181 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:41,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1810389985, now seen corresponding path program 1 times [2022-02-15 00:38:41,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:41,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182080224] [2022-02-15 00:38:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:41,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:38:41,248 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:41,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182080224] [2022-02-15 00:38:41,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182080224] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:41,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:41,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:41,248 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372046623] [2022-02-15 00:38:41,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:41,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:41,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:41,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:41,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:41,249 INFO L87 Difference]: Start difference. First operand 162 states and 256 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:41,475 INFO L93 Difference]: Finished difference Result 186 states and 296 transitions. [2022-02-15 00:38:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:41,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-02-15 00:38:41,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:41,477 INFO L225 Difference]: With dead ends: 186 [2022-02-15 00:38:41,477 INFO L226 Difference]: Without dead ends: 186 [2022-02-15 00:38:41,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:41,478 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 537 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:41,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 123 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:41,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-02-15 00:38:41,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-02-15 00:38:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.6179775280898876) internal successors, (288), 178 states have internal predecessors, (288), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 292 transitions. [2022-02-15 00:38:41,498 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 292 transitions. Word has length 50 [2022-02-15 00:38:41,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:41,498 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 292 transitions. [2022-02-15 00:38:41,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 292 transitions. [2022-02-15 00:38:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-15 00:38:41,499 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:41,499 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 00:38:41,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 00:38:41,500 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:41,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash 465010892, now seen corresponding path program 1 times [2022-02-15 00:38:41,500 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:41,500 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106880014] [2022-02-15 00:38:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:38:41,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:41,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106880014] [2022-02-15 00:38:41,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106880014] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:41,549 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:41,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:41,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633343074] [2022-02-15 00:38:41,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:41,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:41,550 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:41,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:41,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:41,551 INFO L87 Difference]: Start difference. First operand 183 states and 292 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:41,762 INFO L93 Difference]: Finished difference Result 186 states and 294 transitions. [2022-02-15 00:38:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:41,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-02-15 00:38:41,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:41,763 INFO L225 Difference]: With dead ends: 186 [2022-02-15 00:38:41,763 INFO L226 Difference]: Without dead ends: 186 [2022-02-15 00:38:41,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:41,764 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 540 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:41,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [540 Valid, 123 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-02-15 00:38:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-02-15 00:38:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.6067415730337078) internal successors, (286), 178 states have internal predecessors, (286), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 290 transitions. [2022-02-15 00:38:41,770 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 290 transitions. Word has length 51 [2022-02-15 00:38:41,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:41,770 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 290 transitions. [2022-02-15 00:38:41,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 290 transitions. [2022-02-15 00:38:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 00:38:41,772 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:41,772 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:41,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 00:38:41,772 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash -409944273, now seen corresponding path program 1 times [2022-02-15 00:38:41,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:41,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978676317] [2022-02-15 00:38:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-15 00:38:41,820 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:41,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978676317] [2022-02-15 00:38:41,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978676317] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:41,820 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:41,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:41,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538954803] [2022-02-15 00:38:41,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:41,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:41,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:41,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:41,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:41,821 INFO L87 Difference]: Start difference. First operand 183 states and 290 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:42,026 INFO L93 Difference]: Finished difference Result 207 states and 328 transitions. [2022-02-15 00:38:42,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:42,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 00:38:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:42,027 INFO L225 Difference]: With dead ends: 207 [2022-02-15 00:38:42,028 INFO L226 Difference]: Without dead ends: 207 [2022-02-15 00:38:42,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:42,032 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 535 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:42,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 124 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:42,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-02-15 00:38:42,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-02-15 00:38:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 198 states have (on average 1.606060606060606) internal successors, (318), 198 states have internal predecessors, (318), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 322 transitions. [2022-02-15 00:38:42,046 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 322 transitions. Word has length 66 [2022-02-15 00:38:42,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:42,046 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 322 transitions. [2022-02-15 00:38:42,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 322 transitions. [2022-02-15 00:38:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 00:38:42,048 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:42,048 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:42,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 00:38:42,048 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:42,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:42,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1177930087, now seen corresponding path program 1 times [2022-02-15 00:38:42,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:42,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317281994] [2022-02-15 00:38:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:42,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-15 00:38:42,130 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:42,130 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317281994] [2022-02-15 00:38:42,130 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317281994] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:42,130 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:42,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:42,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574838941] [2022-02-15 00:38:42,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:42,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:42,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:42,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:42,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:42,133 INFO L87 Difference]: Start difference. First operand 203 states and 322 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:42,318 INFO L93 Difference]: Finished difference Result 207 states and 325 transitions. [2022-02-15 00:38:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:42,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-02-15 00:38:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:42,319 INFO L225 Difference]: With dead ends: 207 [2022-02-15 00:38:42,319 INFO L226 Difference]: Without dead ends: 207 [2022-02-15 00:38:42,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:42,320 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 538 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:42,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 123 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:42,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-02-15 00:38:42,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-02-15 00:38:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 198 states have (on average 1.5909090909090908) internal successors, (315), 198 states have internal predecessors, (315), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 319 transitions. [2022-02-15 00:38:42,327 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 319 transitions. Word has length 67 [2022-02-15 00:38:42,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:42,328 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 319 transitions. [2022-02-15 00:38:42,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 319 transitions. [2022-02-15 00:38:42,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-15 00:38:42,333 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:42,333 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:42,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 00:38:42,333 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:42,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:42,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2089443154, now seen corresponding path program 1 times [2022-02-15 00:38:42,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:42,339 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102674404] [2022-02-15 00:38:42,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:42,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 00:38:42,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:42,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102674404] [2022-02-15 00:38:42,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102674404] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:42,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:42,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:42,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202952616] [2022-02-15 00:38:42,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:42,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:42,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:42,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:42,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:42,427 INFO L87 Difference]: Start difference. First operand 203 states and 319 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:42,675 INFO L93 Difference]: Finished difference Result 245 states and 390 transitions. [2022-02-15 00:38:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:42,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-02-15 00:38:42,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:42,677 INFO L225 Difference]: With dead ends: 245 [2022-02-15 00:38:42,677 INFO L226 Difference]: Without dead ends: 244 [2022-02-15 00:38:42,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:42,678 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 572 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:42,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [572 Valid, 127 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:42,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-02-15 00:38:42,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-02-15 00:38:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.610878661087866) internal successors, (385), 239 states have internal predecessors, (385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 389 transitions. [2022-02-15 00:38:42,682 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 389 transitions. Word has length 68 [2022-02-15 00:38:42,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:42,683 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 389 transitions. [2022-02-15 00:38:42,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 389 transitions. [2022-02-15 00:38:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-02-15 00:38:42,683 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:42,684 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-02-15 00:38:42,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 00:38:42,684 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:42,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1036864402, now seen corresponding path program 1 times [2022-02-15 00:38:42,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:42,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107920811] [2022-02-15 00:38:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-15 00:38:42,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:42,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107920811] [2022-02-15 00:38:42,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107920811] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:42,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:42,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:42,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983268957] [2022-02-15 00:38:42,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:42,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:42,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:42,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:42,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:42,726 INFO L87 Difference]: Start difference. First operand 244 states and 389 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:42,931 INFO L93 Difference]: Finished difference Result 266 states and 422 transitions. [2022-02-15 00:38:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:42,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-02-15 00:38:42,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:42,932 INFO L225 Difference]: With dead ends: 266 [2022-02-15 00:38:42,932 INFO L226 Difference]: Without dead ends: 266 [2022-02-15 00:38:42,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:42,933 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 531 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:42,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 123 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-02-15 00:38:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-02-15 00:38:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.6015625) internal successors, (410), 256 states have internal predecessors, (410), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 414 transitions. [2022-02-15 00:38:42,938 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 414 transitions. Word has length 83 [2022-02-15 00:38:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:42,940 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 414 transitions. [2022-02-15 00:38:42,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 414 transitions. [2022-02-15 00:38:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-15 00:38:42,943 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:42,943 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-02-15 00:38:42,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 00:38:42,943 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:42,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:42,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1054051491, now seen corresponding path program 1 times [2022-02-15 00:38:42,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:42,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755972449] [2022-02-15 00:38:42,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:42,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,005 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-02-15 00:38:43,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:43,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755972449] [2022-02-15 00:38:43,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755972449] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:43,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:43,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:43,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059926566] [2022-02-15 00:38:43,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:43,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:43,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:43,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:43,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:43,007 INFO L87 Difference]: Start difference. First operand 261 states and 414 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:43,210 INFO L93 Difference]: Finished difference Result 266 states and 417 transitions. [2022-02-15 00:38:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:43,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-02-15 00:38:43,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:43,212 INFO L225 Difference]: With dead ends: 266 [2022-02-15 00:38:43,212 INFO L226 Difference]: Without dead ends: 266 [2022-02-15 00:38:43,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:43,214 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 536 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:43,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 123 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:43,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-02-15 00:38:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-02-15 00:38:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.58203125) internal successors, (405), 256 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 409 transitions. [2022-02-15 00:38:43,221 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 409 transitions. Word has length 84 [2022-02-15 00:38:43,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:43,222 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 409 transitions. [2022-02-15 00:38:43,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 409 transitions. [2022-02-15 00:38:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-02-15 00:38:43,224 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:43,224 INFO L514 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] [2022-02-15 00:38:43,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 00:38:43,225 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash -61911791, now seen corresponding path program 1 times [2022-02-15 00:38:43,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:43,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740169367] [2022-02-15 00:38:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:43,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-02-15 00:38:43,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:43,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740169367] [2022-02-15 00:38:43,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740169367] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:43,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:43,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:43,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290253201] [2022-02-15 00:38:43,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:43,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:43,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:43,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:43,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:43,290 INFO L87 Difference]: Start difference. First operand 261 states and 409 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:43,492 INFO L93 Difference]: Finished difference Result 279 states and 433 transitions. [2022-02-15 00:38:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:43,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-02-15 00:38:43,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:43,497 INFO L225 Difference]: With dead ends: 279 [2022-02-15 00:38:43,497 INFO L226 Difference]: Without dead ends: 279 [2022-02-15 00:38:43,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:43,498 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 497 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:43,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 135 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-02-15 00:38:43,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-02-15 00:38:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 271 states have (on average 1.5682656826568266) internal successors, (425), 271 states have internal predecessors, (425), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 429 transitions. [2022-02-15 00:38:43,504 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 429 transitions. Word has length 97 [2022-02-15 00:38:43,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:43,504 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 429 transitions. [2022-02-15 00:38:43,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 429 transitions. [2022-02-15 00:38:43,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-15 00:38:43,505 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:43,505 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-02-15 00:38:43,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 00:38:43,505 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:43,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:43,506 INFO L85 PathProgramCache]: Analyzing trace with hash -816635385, now seen corresponding path program 1 times [2022-02-15 00:38:43,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:43,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037496455] [2022-02-15 00:38:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:43,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-02-15 00:38:43,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:43,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037496455] [2022-02-15 00:38:43,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037496455] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:43,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:43,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:43,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941764618] [2022-02-15 00:38:43,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:43,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:43,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:43,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:43,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:43,572 INFO L87 Difference]: Start difference. First operand 276 states and 429 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:43,800 INFO L93 Difference]: Finished difference Result 279 states and 427 transitions. [2022-02-15 00:38:43,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:43,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-02-15 00:38:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:43,802 INFO L225 Difference]: With dead ends: 279 [2022-02-15 00:38:43,802 INFO L226 Difference]: Without dead ends: 279 [2022-02-15 00:38:43,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:43,802 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 522 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:43,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 123 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:43,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-02-15 00:38:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-02-15 00:38:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 271 states have (on average 1.5461254612546125) internal successors, (419), 271 states have internal predecessors, (419), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 423 transitions. [2022-02-15 00:38:43,807 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 423 transitions. Word has length 98 [2022-02-15 00:38:43,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:43,807 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 423 transitions. [2022-02-15 00:38:43,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 423 transitions. [2022-02-15 00:38:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-02-15 00:38:43,808 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:43,808 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:43,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 00:38:43,809 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:43,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:43,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1044267923, now seen corresponding path program 1 times [2022-02-15 00:38:43,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:43,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840496100] [2022-02-15 00:38:43,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:43,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 00:38:43,864 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:43,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840496100] [2022-02-15 00:38:43,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840496100] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:43,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:43,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:43,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802305050] [2022-02-15 00:38:43,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:43,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:43,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:43,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:43,866 INFO L87 Difference]: Start difference. First operand 276 states and 423 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:44,043 INFO L93 Difference]: Finished difference Result 328 states and 509 transitions. [2022-02-15 00:38:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:44,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2022-02-15 00:38:44,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:44,044 INFO L225 Difference]: With dead ends: 328 [2022-02-15 00:38:44,044 INFO L226 Difference]: Without dead ends: 328 [2022-02-15 00:38:44,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:44,045 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 559 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:44,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [559 Valid, 129 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:44,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-02-15 00:38:44,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2022-02-15 00:38:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 321 states have (on average 1.5669781931464175) internal successors, (503), 321 states have internal predecessors, (503), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 507 transitions. [2022-02-15 00:38:44,052 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 507 transitions. Word has length 104 [2022-02-15 00:38:44,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:44,052 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 507 transitions. [2022-02-15 00:38:44,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 507 transitions. [2022-02-15 00:38:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-15 00:38:44,053 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:44,053 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:38:44,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 00:38:44,053 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:44,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:44,054 INFO L85 PathProgramCache]: Analyzing trace with hash 73282143, now seen corresponding path program 1 times [2022-02-15 00:38:44,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:44,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53009468] [2022-02-15 00:38:44,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:44,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 00:38:44,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:44,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53009468] [2022-02-15 00:38:44,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53009468] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:44,109 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:44,109 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 00:38:44,109 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579549484] [2022-02-15 00:38:44,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:44,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 00:38:44,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:44,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 00:38:44,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:44,110 INFO L87 Difference]: Start difference. First operand 326 states and 507 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:44,430 INFO L93 Difference]: Finished difference Result 329 states and 509 transitions. [2022-02-15 00:38:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:44,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 105 [2022-02-15 00:38:44,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:44,431 INFO L225 Difference]: With dead ends: 329 [2022-02-15 00:38:44,431 INFO L226 Difference]: Without dead ends: 329 [2022-02-15 00:38:44,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:44,432 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 569 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:44,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 128 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-15 00:38:44,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-02-15 00:38:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2022-02-15 00:38:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 322 states have (on average 1.562111801242236) internal successors, (503), 322 states have internal predecessors, (503), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 507 transitions. [2022-02-15 00:38:44,437 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 507 transitions. Word has length 105 [2022-02-15 00:38:44,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:44,437 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 507 transitions. [2022-02-15 00:38:44,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,437 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 507 transitions. [2022-02-15 00:38:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-15 00:38:44,438 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:44,438 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:44,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 00:38:44,438 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:44,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:44,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1546418708, now seen corresponding path program 1 times [2022-02-15 00:38:44,439 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:44,439 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117596675] [2022-02-15 00:38:44,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:44,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-15 00:38:44,471 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:44,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117596675] [2022-02-15 00:38:44,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117596675] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:44,471 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:44,471 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:44,471 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221310528] [2022-02-15 00:38:44,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:44,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:44,471 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:44,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:44,472 INFO L87 Difference]: Start difference. First operand 327 states and 507 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:44,607 INFO L93 Difference]: Finished difference Result 638 states and 989 transitions. [2022-02-15 00:38:44,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:44,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 109 [2022-02-15 00:38:44,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:44,609 INFO L225 Difference]: With dead ends: 638 [2022-02-15 00:38:44,609 INFO L226 Difference]: Without dead ends: 638 [2022-02-15 00:38:44,610 INFO L932 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 [2022-02-15 00:38:44,610 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 306 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:44,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 302 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:44,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2022-02-15 00:38:44,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2022-02-15 00:38:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 633 states have (on average 1.55608214849921) internal successors, (985), 633 states have internal predecessors, (985), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 989 transitions. [2022-02-15 00:38:44,620 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 989 transitions. Word has length 109 [2022-02-15 00:38:44,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:44,620 INFO L470 AbstractCegarLoop]: Abstraction has 638 states and 989 transitions. [2022-02-15 00:38:44,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 989 transitions. [2022-02-15 00:38:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-15 00:38:44,621 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:44,621 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:44,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 00:38:44,621 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:44,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:44,622 INFO L85 PathProgramCache]: Analyzing trace with hash 691753828, now seen corresponding path program 1 times [2022-02-15 00:38:44,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:44,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770734181] [2022-02-15 00:38:44,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:44,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-02-15 00:38:44,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:44,649 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770734181] [2022-02-15 00:38:44,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770734181] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:44,649 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:44,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:44,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992727427] [2022-02-15 00:38:44,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:44,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:44,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:44,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:44,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:44,650 INFO L87 Difference]: Start difference. First operand 638 states and 989 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:44,783 INFO L93 Difference]: Finished difference Result 926 states and 1436 transitions. [2022-02-15 00:38:44,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:44,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-02-15 00:38:44,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:44,786 INFO L225 Difference]: With dead ends: 926 [2022-02-15 00:38:44,786 INFO L226 Difference]: Without dead ends: 926 [2022-02-15 00:38:44,787 INFO L932 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 [2022-02-15 00:38:44,787 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 298 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:44,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 311 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:44,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-02-15 00:38:44,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2022-02-15 00:38:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 921 states have (on average 1.5548317046688382) internal successors, (1432), 921 states have internal predecessors, (1432), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1436 transitions. [2022-02-15 00:38:44,800 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1436 transitions. Word has length 110 [2022-02-15 00:38:44,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:44,801 INFO L470 AbstractCegarLoop]: Abstraction has 926 states and 1436 transitions. [2022-02-15 00:38:44,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1436 transitions. [2022-02-15 00:38:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-15 00:38:44,802 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:44,802 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:44,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 00:38:44,802 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:44,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:44,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1111270659, now seen corresponding path program 1 times [2022-02-15 00:38:44,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:44,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9891017] [2022-02-15 00:38:44,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:44,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-02-15 00:38:44,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:44,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9891017] [2022-02-15 00:38:44,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9891017] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:44,829 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:44,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:44,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820605735] [2022-02-15 00:38:44,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:44,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:44,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:44,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:44,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:44,830 INFO L87 Difference]: Start difference. First operand 926 states and 1436 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:44,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:44,956 INFO L93 Difference]: Finished difference Result 1219 states and 1888 transitions. [2022-02-15 00:38:44,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:44,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 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 110 [2022-02-15 00:38:44,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:44,960 INFO L225 Difference]: With dead ends: 1219 [2022-02-15 00:38:44,960 INFO L226 Difference]: Without dead ends: 1219 [2022-02-15 00:38:44,960 INFO L932 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 [2022-02-15 00:38:44,960 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 418 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:44,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 196 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-02-15 00:38:44,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2022-02-15 00:38:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1214 states have (on average 1.5518945634266885) internal successors, (1884), 1214 states have internal predecessors, (1884), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1888 transitions. [2022-02-15 00:38:45,001 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1888 transitions. Word has length 110 [2022-02-15 00:38:45,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:45,001 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1888 transitions. [2022-02-15 00:38:45,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1888 transitions. [2022-02-15 00:38:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-15 00:38:45,003 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:45,003 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:45,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 00:38:45,003 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:45,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:45,004 INFO L85 PathProgramCache]: Analyzing trace with hash -723676683, now seen corresponding path program 1 times [2022-02-15 00:38:45,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:45,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955689983] [2022-02-15 00:38:45,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:45,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-02-15 00:38:45,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:45,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955689983] [2022-02-15 00:38:45,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955689983] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:45,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:45,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:45,067 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363734555] [2022-02-15 00:38:45,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:45,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:45,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:45,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:45,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:45,068 INFO L87 Difference]: Start difference. First operand 1219 states and 1888 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:45,292 INFO L93 Difference]: Finished difference Result 1531 states and 2376 transitions. [2022-02-15 00:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 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 111 [2022-02-15 00:38:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:45,297 INFO L225 Difference]: With dead ends: 1531 [2022-02-15 00:38:45,298 INFO L226 Difference]: Without dead ends: 1531 [2022-02-15 00:38:45,298 INFO L932 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 [2022-02-15 00:38:45,298 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 449 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:45,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 169 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:45,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2022-02-15 00:38:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2022-02-15 00:38:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1526 states have (on average 1.5543905635648756) internal successors, (2372), 1526 states have internal predecessors, (2372), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2376 transitions. [2022-02-15 00:38:45,354 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2376 transitions. Word has length 111 [2022-02-15 00:38:45,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:45,354 INFO L470 AbstractCegarLoop]: Abstraction has 1531 states and 2376 transitions. [2022-02-15 00:38:45,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2376 transitions. [2022-02-15 00:38:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-02-15 00:38:45,365 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:45,365 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:45,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 00:38:45,366 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:45,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:45,366 INFO L85 PathProgramCache]: Analyzing trace with hash -982594376, now seen corresponding path program 1 times [2022-02-15 00:38:45,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:45,366 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395535198] [2022-02-15 00:38:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-02-15 00:38:45,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:45,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395535198] [2022-02-15 00:38:45,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395535198] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:45,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:45,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:45,421 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302339209] [2022-02-15 00:38:45,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:45,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:45,421 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:45,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:45,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:45,421 INFO L87 Difference]: Start difference. First operand 1531 states and 2376 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:45,579 INFO L93 Difference]: Finished difference Result 1534 states and 2167 transitions. [2022-02-15 00:38:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:45,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 171 [2022-02-15 00:38:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:45,583 INFO L225 Difference]: With dead ends: 1534 [2022-02-15 00:38:45,584 INFO L226 Difference]: Without dead ends: 1405 [2022-02-15 00:38:45,584 INFO L932 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 [2022-02-15 00:38:45,584 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 280 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:45,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 173 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:45,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-02-15 00:38:45,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1357. [2022-02-15 00:38:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1352 states have (on average 1.4497041420118344) internal successors, (1960), 1352 states have internal predecessors, (1960), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1964 transitions. [2022-02-15 00:38:45,604 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1964 transitions. Word has length 171 [2022-02-15 00:38:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:45,604 INFO L470 AbstractCegarLoop]: Abstraction has 1357 states and 1964 transitions. [2022-02-15 00:38:45,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1964 transitions. [2022-02-15 00:38:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-02-15 00:38:45,606 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:45,607 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 8, 8, 8, 6, 6, 4, 4, 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] [2022-02-15 00:38:45,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 00:38:45,607 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:45,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:45,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1551429465, now seen corresponding path program 1 times [2022-02-15 00:38:45,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:45,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095857066] [2022-02-15 00:38:45,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:45,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,638 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-02-15 00:38:45,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:45,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095857066] [2022-02-15 00:38:45,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095857066] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:45,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:45,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:45,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027277899] [2022-02-15 00:38:45,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:45,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:45,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:45,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:45,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:45,640 INFO L87 Difference]: Start difference. First operand 1357 states and 1964 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:45,801 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2022-02-15 00:38:45,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:45,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 172 [2022-02-15 00:38:45,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:45,806 INFO L225 Difference]: With dead ends: 1422 [2022-02-15 00:38:45,807 INFO L226 Difference]: Without dead ends: 1422 [2022-02-15 00:38:45,807 INFO L932 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 [2022-02-15 00:38:45,807 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 245 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:45,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 198 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:45,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2022-02-15 00:38:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1364. [2022-02-15 00:38:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1359 states have (on average 1.4275202354672554) internal successors, (1940), 1359 states have internal predecessors, (1940), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1944 transitions. [2022-02-15 00:38:45,832 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1944 transitions. Word has length 172 [2022-02-15 00:38:45,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:45,833 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 1944 transitions. [2022-02-15 00:38:45,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1944 transitions. [2022-02-15 00:38:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-02-15 00:38:45,836 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:45,836 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 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, 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] [2022-02-15 00:38:45,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 00:38:45,836 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:45,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1524959551, now seen corresponding path program 1 times [2022-02-15 00:38:45,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:45,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569196700] [2022-02-15 00:38:45,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-02-15 00:38:45,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:45,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569196700] [2022-02-15 00:38:45,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569196700] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:45,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:45,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:45,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299614342] [2022-02-15 00:38:45,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:45,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:45,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:45,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:45,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:45,872 INFO L87 Difference]: Start difference. First operand 1364 states and 1944 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:46,037 INFO L93 Difference]: Finished difference Result 1482 states and 2054 transitions. [2022-02-15 00:38:46,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:46,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 191 [2022-02-15 00:38:46,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:46,042 INFO L225 Difference]: With dead ends: 1482 [2022-02-15 00:38:46,042 INFO L226 Difference]: Without dead ends: 1414 [2022-02-15 00:38:46,042 INFO L932 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 [2022-02-15 00:38:46,044 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 287 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:46,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 172 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-02-15 00:38:46,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1364. [2022-02-15 00:38:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1359 states have (on average 1.4157468727005151) internal successors, (1924), 1359 states have internal predecessors, (1924), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1928 transitions. [2022-02-15 00:38:46,073 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1928 transitions. Word has length 191 [2022-02-15 00:38:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:46,073 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 1928 transitions. [2022-02-15 00:38:46,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1928 transitions. [2022-02-15 00:38:46,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-02-15 00:38:46,076 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:46,076 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2022-02-15 00:38:46,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 00:38:46,076 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:46,077 INFO L85 PathProgramCache]: Analyzing trace with hash -137545226, now seen corresponding path program 1 times [2022-02-15 00:38:46,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:46,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835393468] [2022-02-15 00:38:46,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:46,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-02-15 00:38:46,121 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:46,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835393468] [2022-02-15 00:38:46,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835393468] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:46,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:46,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:46,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428213535] [2022-02-15 00:38:46,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:46,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:46,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:46,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:46,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:46,123 INFO L87 Difference]: Start difference. First operand 1364 states and 1928 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:46,312 INFO L93 Difference]: Finished difference Result 1572 states and 2168 transitions. [2022-02-15 00:38:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:46,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (3), 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 212 [2022-02-15 00:38:46,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:46,318 INFO L225 Difference]: With dead ends: 1572 [2022-02-15 00:38:46,318 INFO L226 Difference]: Without dead ends: 1512 [2022-02-15 00:38:46,319 INFO L932 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 [2022-02-15 00:38:46,319 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 289 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:46,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 172 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-02-15 00:38:46,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1464. [2022-02-15 00:38:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1459 states have (on average 1.4009595613433858) internal successors, (2044), 1459 states have internal predecessors, (2044), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2048 transitions. [2022-02-15 00:38:46,344 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2048 transitions. Word has length 212 [2022-02-15 00:38:46,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:46,345 INFO L470 AbstractCegarLoop]: Abstraction has 1464 states and 2048 transitions. [2022-02-15 00:38:46,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2048 transitions. [2022-02-15 00:38:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-02-15 00:38:46,347 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:46,349 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:46,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 00:38:46,349 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:46,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:46,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2009924782, now seen corresponding path program 1 times [2022-02-15 00:38:46,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:46,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082931358] [2022-02-15 00:38:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:46,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-02-15 00:38:46,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:46,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082931358] [2022-02-15 00:38:46,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082931358] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:46,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:46,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:46,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885553609] [2022-02-15 00:38:46,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:46,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:46,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:46,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:46,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:46,389 INFO L87 Difference]: Start difference. First operand 1464 states and 2048 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:46,541 INFO L93 Difference]: Finished difference Result 1672 states and 2292 transitions. [2022-02-15 00:38:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:46,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 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 236 [2022-02-15 00:38:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:46,546 INFO L225 Difference]: With dead ends: 1672 [2022-02-15 00:38:46,546 INFO L226 Difference]: Without dead ends: 1620 [2022-02-15 00:38:46,546 INFO L932 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 [2022-02-15 00:38:46,547 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 289 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:46,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 172 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:46,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-02-15 00:38:46,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1576. [2022-02-15 00:38:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1571 states have (on average 1.3901973265436027) internal successors, (2184), 1571 states have internal predecessors, (2184), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2188 transitions. [2022-02-15 00:38:46,569 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2188 transitions. Word has length 236 [2022-02-15 00:38:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:46,569 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 2188 transitions. [2022-02-15 00:38:46,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2188 transitions. [2022-02-15 00:38:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-02-15 00:38:46,572 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:46,572 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:46,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 00:38:46,572 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:46,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash -879138157, now seen corresponding path program 1 times [2022-02-15 00:38:46,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:46,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231727281] [2022-02-15 00:38:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-02-15 00:38:46,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:46,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231727281] [2022-02-15 00:38:46,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231727281] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:46,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:46,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:46,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079020189] [2022-02-15 00:38:46,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:46,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:46,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:46,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:46,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:46,619 INFO L87 Difference]: Start difference. First operand 1576 states and 2188 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:46,798 INFO L93 Difference]: Finished difference Result 1784 states and 2452 transitions. [2022-02-15 00:38:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:46,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 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 236 [2022-02-15 00:38:46,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:46,805 INFO L225 Difference]: With dead ends: 1784 [2022-02-15 00:38:46,805 INFO L226 Difference]: Without dead ends: 1748 [2022-02-15 00:38:46,806 INFO L932 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 [2022-02-15 00:38:46,806 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 292 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:46,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 172 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:46,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2022-02-15 00:38:46,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1700. [2022-02-15 00:38:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1695 states have (on average 1.3876106194690265) internal successors, (2352), 1695 states have internal predecessors, (2352), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2356 transitions. [2022-02-15 00:38:46,836 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2356 transitions. Word has length 236 [2022-02-15 00:38:46,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:46,837 INFO L470 AbstractCegarLoop]: Abstraction has 1700 states and 2356 transitions. [2022-02-15 00:38:46,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2356 transitions. [2022-02-15 00:38:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-02-15 00:38:46,840 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:46,840 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2022-02-15 00:38:46,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 00:38:46,841 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:46,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:46,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1124280444, now seen corresponding path program 1 times [2022-02-15 00:38:46,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:46,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436936794] [2022-02-15 00:38:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:46,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-02-15 00:38:46,911 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:46,911 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436936794] [2022-02-15 00:38:46,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436936794] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:46,911 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:46,911 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:46,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373122888] [2022-02-15 00:38:46,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:46,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:46,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:46,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:46,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:46,912 INFO L87 Difference]: Start difference. First operand 1700 states and 2356 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:47,074 INFO L93 Difference]: Finished difference Result 3376 states and 4675 transitions. [2022-02-15 00:38:47,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:47,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 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 266 [2022-02-15 00:38:47,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:47,087 INFO L225 Difference]: With dead ends: 3376 [2022-02-15 00:38:47,087 INFO L226 Difference]: Without dead ends: 3376 [2022-02-15 00:38:47,087 INFO L932 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 [2022-02-15 00:38:47,088 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 293 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:47,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 327 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2022-02-15 00:38:47,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3374. [2022-02-15 00:38:47,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3374 states, 3369 states have (on average 1.386168002374592) internal successors, (4670), 3369 states have internal predecessors, (4670), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 3374 states and 4674 transitions. [2022-02-15 00:38:47,149 INFO L78 Accepts]: Start accepts. Automaton has 3374 states and 4674 transitions. Word has length 266 [2022-02-15 00:38:47,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:47,149 INFO L470 AbstractCegarLoop]: Abstraction has 3374 states and 4674 transitions. [2022-02-15 00:38:47,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 4674 transitions. [2022-02-15 00:38:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-02-15 00:38:47,155 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:47,155 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2022-02-15 00:38:47,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 00:38:47,156 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:47,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:47,156 INFO L85 PathProgramCache]: Analyzing trace with hash 6506181, now seen corresponding path program 1 times [2022-02-15 00:38:47,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:47,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845815447] [2022-02-15 00:38:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:47,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-02-15 00:38:47,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:47,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845815447] [2022-02-15 00:38:47,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845815447] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:47,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:47,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:47,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9169444] [2022-02-15 00:38:47,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:47,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:47,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:47,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:47,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:47,224 INFO L87 Difference]: Start difference. First operand 3374 states and 4674 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) [2022-02-15 00:38:47,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:47,382 INFO L93 Difference]: Finished difference Result 3782 states and 5218 transitions. [2022-02-15 00:38:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:47,383 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 266 [2022-02-15 00:38:47,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:47,392 INFO L225 Difference]: With dead ends: 3782 [2022-02-15 00:38:47,393 INFO L226 Difference]: Without dead ends: 3742 [2022-02-15 00:38:47,393 INFO L932 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 [2022-02-15 00:38:47,393 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 293 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:47,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 171 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-02-15 00:38:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-02-15 00:38:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3654 states, 3649 states have (on average 1.389421759386133) internal successors, (5070), 3649 states have internal predecessors, (5070), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5074 transitions. [2022-02-15 00:38:47,451 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5074 transitions. Word has length 266 [2022-02-15 00:38:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:47,452 INFO L470 AbstractCegarLoop]: Abstraction has 3654 states and 5074 transitions. [2022-02-15 00:38:47,452 INFO L471 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) [2022-02-15 00:38:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5074 transitions. [2022-02-15 00:38:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-02-15 00:38:47,459 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:47,459 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 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, 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] [2022-02-15 00:38:47,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 00:38:47,459 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1703890796, now seen corresponding path program 1 times [2022-02-15 00:38:47,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:47,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438175801] [2022-02-15 00:38:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:47,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-02-15 00:38:47,506 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:47,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438175801] [2022-02-15 00:38:47,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438175801] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:47,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:47,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:47,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026587863] [2022-02-15 00:38:47,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:47,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:47,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:47,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:47,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:47,508 INFO L87 Difference]: Start difference. First operand 3654 states and 5074 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:47,662 INFO L93 Difference]: Finished difference Result 3766 states and 5170 transitions. [2022-02-15 00:38:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:47,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 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 301 [2022-02-15 00:38:47,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:47,684 INFO L225 Difference]: With dead ends: 3766 [2022-02-15 00:38:47,684 INFO L226 Difference]: Without dead ends: 3742 [2022-02-15 00:38:47,684 INFO L932 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 [2022-02-15 00:38:47,685 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 298 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:47,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 170 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:47,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-02-15 00:38:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-02-15 00:38:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3654 states, 3649 states have (on average 1.380652233488627) internal successors, (5038), 3649 states have internal predecessors, (5038), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5042 transitions. [2022-02-15 00:38:47,741 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5042 transitions. Word has length 301 [2022-02-15 00:38:47,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:47,741 INFO L470 AbstractCegarLoop]: Abstraction has 3654 states and 5042 transitions. [2022-02-15 00:38:47,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5042 transitions. [2022-02-15 00:38:47,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-02-15 00:38:47,748 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:47,748 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:47,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 00:38:47,748 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:47,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:47,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1069632228, now seen corresponding path program 1 times [2022-02-15 00:38:47,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:47,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916003818] [2022-02-15 00:38:47,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:47,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-02-15 00:38:47,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:47,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916003818] [2022-02-15 00:38:47,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916003818] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:47,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:47,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:47,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784377072] [2022-02-15 00:38:47,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:47,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:47,794 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:47,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:47,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:47,795 INFO L87 Difference]: Start difference. First operand 3654 states and 5042 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:47,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:47,938 INFO L93 Difference]: Finished difference Result 3702 states and 5037 transitions. [2022-02-15 00:38:47,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:47,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 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 338 [2022-02-15 00:38:47,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:47,945 INFO L225 Difference]: With dead ends: 3702 [2022-02-15 00:38:47,945 INFO L226 Difference]: Without dead ends: 3702 [2022-02-15 00:38:47,946 INFO L932 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 [2022-02-15 00:38:47,946 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 288 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:47,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 180 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:47,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2022-02-15 00:38:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3604. [2022-02-15 00:38:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3604 states, 3599 states have (on average 1.3631564323423173) internal successors, (4906), 3599 states have internal predecessors, (4906), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4910 transitions. [2022-02-15 00:38:48,015 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4910 transitions. Word has length 338 [2022-02-15 00:38:48,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:48,015 INFO L470 AbstractCegarLoop]: Abstraction has 3604 states and 4910 transitions. [2022-02-15 00:38:48,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4910 transitions. [2022-02-15 00:38:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-02-15 00:38:48,022 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:48,022 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-02-15 00:38:48,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 00:38:48,022 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:48,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:48,023 INFO L85 PathProgramCache]: Analyzing trace with hash -732748657, now seen corresponding path program 1 times [2022-02-15 00:38:48,023 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:48,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634433836] [2022-02-15 00:38:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:48,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-02-15 00:38:48,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:48,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634433836] [2022-02-15 00:38:48,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634433836] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:48,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:48,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:48,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787954814] [2022-02-15 00:38:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:48,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:48,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:48,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:48,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:48,073 INFO L87 Difference]: Start difference. First operand 3604 states and 4910 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:48,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:48,233 INFO L93 Difference]: Finished difference Result 6668 states and 9031 transitions. [2022-02-15 00:38:48,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:48,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 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 339 [2022-02-15 00:38:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:48,243 INFO L225 Difference]: With dead ends: 6668 [2022-02-15 00:38:48,244 INFO L226 Difference]: Without dead ends: 6668 [2022-02-15 00:38:48,244 INFO L932 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 [2022-02-15 00:38:48,244 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 282 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:48,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 292 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 00:38:48,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-02-15 00:38:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6666. [2022-02-15 00:38:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 6661 states have (on average 1.3550517940249212) internal successors, (9026), 6661 states have internal predecessors, (9026), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9030 transitions. [2022-02-15 00:38:48,331 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9030 transitions. Word has length 339 [2022-02-15 00:38:48,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:48,332 INFO L470 AbstractCegarLoop]: Abstraction has 6666 states and 9030 transitions. [2022-02-15 00:38:48,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9030 transitions. [2022-02-15 00:38:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-02-15 00:38:48,341 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:48,341 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:48,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 00:38:48,341 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:48,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:48,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1470237842, now seen corresponding path program 1 times [2022-02-15 00:38:48,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:48,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270355993] [2022-02-15 00:38:48,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:48,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-02-15 00:38:48,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:48,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270355993] [2022-02-15 00:38:48,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270355993] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:38:48,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062268587] [2022-02-15 00:38:48,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:48,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:38:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:38:48,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 00:38:48,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-15 00:38:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:48,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-15 00:38:48,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:38:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-02-15 00:38:49,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:38:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-02-15 00:38:49,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062268587] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 00:38:49,478 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 00:38:49,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-02-15 00:38:49,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837988551] [2022-02-15 00:38:49,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 00:38:49,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 00:38:49,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:49,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 00:38:49,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-15 00:38:49,480 INFO L87 Difference]: Start difference. First operand 6666 states and 9030 transitions. Second operand has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 6 states have internal predecessors, (230), 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) [2022-02-15 00:38:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:50,102 INFO L93 Difference]: Finished difference Result 8867 states and 11594 transitions. [2022-02-15 00:38:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 00:38:50,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 6 states have internal predecessors, (230), 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 349 [2022-02-15 00:38:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:50,116 INFO L225 Difference]: With dead ends: 8867 [2022-02-15 00:38:50,116 INFO L226 Difference]: Without dead ends: 8859 [2022-02-15 00:38:50,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:38:50,117 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 506 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:50,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [506 Valid, 359 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-15 00:38:50,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8859 states. [2022-02-15 00:38:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8859 to 6678. [2022-02-15 00:38:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6678 states, 6673 states have (on average 1.3094560167840552) internal successors, (8738), 6673 states have internal predecessors, (8738), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 8742 transitions. [2022-02-15 00:38:50,208 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 8742 transitions. Word has length 349 [2022-02-15 00:38:50,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:50,209 INFO L470 AbstractCegarLoop]: Abstraction has 6678 states and 8742 transitions. [2022-02-15 00:38:50,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 6 states have internal predecessors, (230), 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) [2022-02-15 00:38:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 8742 transitions. [2022-02-15 00:38:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-02-15 00:38:50,219 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:50,220 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:50,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-15 00:38:50,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-15 00:38:50,441 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:50,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1965032719, now seen corresponding path program 1 times [2022-02-15 00:38:50,442 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:50,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542354849] [2022-02-15 00:38:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-02-15 00:38:50,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:50,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542354849] [2022-02-15 00:38:50,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542354849] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:38:50,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351471672] [2022-02-15 00:38:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:50,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:38:50,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:38:50,503 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) [2022-02-15 00:38:50,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 00:38:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:50,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-15 00:38:50,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:38:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-02-15 00:38:51,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:38:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-02-15 00:38:51,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351471672] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 00:38:51,562 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 00:38:51,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-02-15 00:38:51,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665332431] [2022-02-15 00:38:51,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 00:38:51,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 00:38:51,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:51,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 00:38:51,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-15 00:38:51,563 INFO L87 Difference]: Start difference. First operand 6678 states and 8742 transitions. Second operand has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 6 states have internal predecessors, (229), 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) [2022-02-15 00:38:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:51,811 INFO L93 Difference]: Finished difference Result 8281 states and 10773 transitions. [2022-02-15 00:38:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:51,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 6 states have internal predecessors, (229), 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 375 [2022-02-15 00:38:51,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:51,832 INFO L225 Difference]: With dead ends: 8281 [2022-02-15 00:38:51,833 INFO L226 Difference]: Without dead ends: 8264 [2022-02-15 00:38:51,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-02-15 00:38:51,834 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 399 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:51,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 255 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:51,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8264 states. [2022-02-15 00:38:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8264 to 6643. [2022-02-15 00:38:51,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6643 states, 6638 states have (on average 1.2967761373907805) internal successors, (8608), 6638 states have internal predecessors, (8608), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6643 states to 6643 states and 8612 transitions. [2022-02-15 00:38:51,923 INFO L78 Accepts]: Start accepts. Automaton has 6643 states and 8612 transitions. Word has length 375 [2022-02-15 00:38:51,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:51,923 INFO L470 AbstractCegarLoop]: Abstraction has 6643 states and 8612 transitions. [2022-02-15 00:38:51,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 6 states have internal predecessors, (229), 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) [2022-02-15 00:38:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6643 states and 8612 transitions. [2022-02-15 00:38:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-02-15 00:38:51,934 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:51,934 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:51,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-15 00:38:52,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:38:52,147 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:52,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:52,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1214695079, now seen corresponding path program 1 times [2022-02-15 00:38:52,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:52,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163605711] [2022-02-15 00:38:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:52,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-02-15 00:38:52,217 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:52,217 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163605711] [2022-02-15 00:38:52,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163605711] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:52,217 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 00:38:52,217 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 00:38:52,217 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279166721] [2022-02-15 00:38:52,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:52,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 00:38:52,218 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 00:38:52,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 00:38:52,218 INFO L87 Difference]: Start difference. First operand 6643 states and 8612 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:52,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:52,408 INFO L93 Difference]: Finished difference Result 6257 states and 8078 transitions. [2022-02-15 00:38:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 00:38:52,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (3), 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 414 [2022-02-15 00:38:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:52,413 INFO L225 Difference]: With dead ends: 6257 [2022-02-15 00:38:52,413 INFO L226 Difference]: Without dead ends: 3467 [2022-02-15 00:38:52,414 INFO L932 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 [2022-02-15 00:38:52,414 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 178 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:52,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 192 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 00:38:52,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-02-15 00:38:52,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3393. [2022-02-15 00:38:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 3388 states have (on average 1.3122786304604486) internal successors, (4446), 3388 states have internal predecessors, (4446), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:52,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4450 transitions. [2022-02-15 00:38:52,447 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4450 transitions. Word has length 414 [2022-02-15 00:38:52,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:52,447 INFO L470 AbstractCegarLoop]: Abstraction has 3393 states and 4450 transitions. [2022-02-15 00:38:52,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4450 transitions. [2022-02-15 00:38:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-02-15 00:38:52,453 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:52,454 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 17, 17, 15, 15, 13, 13, 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, 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] [2022-02-15 00:38:52,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 00:38:52,454 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:52,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:52,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1738124885, now seen corresponding path program 1 times [2022-02-15 00:38:52,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:52,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732115749] [2022-02-15 00:38:52,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:52,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-02-15 00:38:52,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:52,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732115749] [2022-02-15 00:38:52,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732115749] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:38:52,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557120567] [2022-02-15 00:38:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:52,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:38:52,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:38:52,516 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) [2022-02-15 00:38:52,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 00:38:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:52,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-15 00:38:52,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:38:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1017 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-02-15 00:38:53,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 00:38:53,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557120567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 00:38:53,414 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 00:38:53,414 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-15 00:38:53,414 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956317340] [2022-02-15 00:38:53,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 00:38:53,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 00:38:53,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:53,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 00:38:53,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:53,415 INFO L87 Difference]: Start difference. First operand 3393 states and 4450 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2022-02-15 00:38:53,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:53,429 INFO L93 Difference]: Finished difference Result 3671 states and 4828 transitions. [2022-02-15 00:38:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 00:38:53,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 498 [2022-02-15 00:38:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:53,440 INFO L225 Difference]: With dead ends: 3671 [2022-02-15 00:38:53,440 INFO L226 Difference]: Without dead ends: 3671 [2022-02-15 00:38:53,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 00:38:53,441 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 60 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:53,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 397 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 00:38:53,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2022-02-15 00:38:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3319. [2022-02-15 00:38:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3319 states, 3314 states have (on average 1.3138201569100785) internal successors, (4354), 3314 states have internal predecessors, (4354), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 00:38:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 3319 states and 4358 transitions. [2022-02-15 00:38:53,478 INFO L78 Accepts]: Start accepts. Automaton has 3319 states and 4358 transitions. Word has length 498 [2022-02-15 00:38:53,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:53,478 INFO L470 AbstractCegarLoop]: Abstraction has 3319 states and 4358 transitions. [2022-02-15 00:38:53,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2022-02-15 00:38:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 4358 transitions. [2022-02-15 00:38:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-02-15 00:38:53,485 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 00:38:53,485 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:53,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 00:38:53,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:38:53,704 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 00:38:53,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 00:38:53,704 INFO L85 PathProgramCache]: Analyzing trace with hash -113784954, now seen corresponding path program 1 times [2022-02-15 00:38:53,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 00:38:53,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525155338] [2022-02-15 00:38:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:53,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 00:38:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 00:38:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-02-15 00:38:53,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 00:38:53,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525155338] [2022-02-15 00:38:53,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525155338] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 00:38:53,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638709552] [2022-02-15 00:38:53,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 00:38:53,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:38:53,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 00:38:53,826 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) [2022-02-15 00:38:53,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 00:38:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 00:38:53,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-15 00:38:53,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 00:38:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-02-15 00:38:54,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 00:38:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-02-15 00:38:55,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638709552] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 00:38:55,413 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 00:38:55,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-02-15 00:38:55,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061166677] [2022-02-15 00:38:55,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 00:38:55,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 00:38:55,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 00:38:55,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 00:38:55,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-15 00:38:55,414 INFO L87 Difference]: Start difference. First operand 3319 states and 4358 transitions. Second operand has 9 states, 9 states have (on average 36.22222222222222) internal successors, (326), 8 states have internal predecessors, (326), 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) [2022-02-15 00:38:55,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 00:38:55,785 INFO L93 Difference]: Finished difference Result 1101 states and 1393 transitions. [2022-02-15 00:38:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 00:38:55,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.22222222222222) internal successors, (326), 8 states have internal predecessors, (326), 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 610 [2022-02-15 00:38:55,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 00:38:55,786 INFO L225 Difference]: With dead ends: 1101 [2022-02-15 00:38:55,786 INFO L226 Difference]: Without dead ends: 0 [2022-02-15 00:38:55,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 1221 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-15 00:38:55,786 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 282 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-15 00:38:55,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 182 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-15 00:38:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-15 00:38:55,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-15 00:38:55,787 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) [2022-02-15 00:38:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-15 00:38:55,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 610 [2022-02-15 00:38:55,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 00:38:55,787 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-15 00:38:55,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.22222222222222) internal successors, (326), 8 states have internal predecessors, (326), 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) [2022-02-15 00:38:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-15 00:38:55,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-15 00:38:55,789 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 00:38:55,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 00:38:55,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 00:38:56,002 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 00:38:56,003 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 00:38:56,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:38:56 BasicIcfg [2022-02-15 00:38:56,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 00:38:56,005 INFO L158 Benchmark]: Toolchain (without parser) took 16828.95ms. Allocated memory was 219.2MB in the beginning and 396.4MB in the end (delta: 177.2MB). Free memory was 192.4MB in the beginning and 157.7MB in the end (delta: 34.7MB). Peak memory consumption was 212.4MB. Max. memory is 8.0GB. [2022-02-15 00:38:56,005 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 219.2MB. Free memory is still 180.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 00:38:56,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.35ms. Allocated memory is still 219.2MB. Free memory was 192.1MB in the beginning and 186.1MB in the end (delta: 6.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-02-15 00:38:56,005 INFO L158 Benchmark]: Boogie Preprocessor took 42.26ms. Allocated memory is still 219.2MB. Free memory was 186.1MB in the beginning and 183.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 00:38:56,005 INFO L158 Benchmark]: RCFGBuilder took 554.39ms. Allocated memory is still 219.2MB. Free memory was 183.7MB in the beginning and 159.1MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-02-15 00:38:56,006 INFO L158 Benchmark]: IcfgTransformer took 44.44ms. Allocated memory is still 219.2MB. Free memory was 158.9MB in the beginning and 156.0MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 00:38:56,006 INFO L158 Benchmark]: TraceAbstraction took 15918.83ms. Allocated memory was 219.2MB in the beginning and 396.4MB in the end (delta: 177.2MB). Free memory was 155.6MB in the beginning and 157.7MB in the end (delta: -2.1MB). Peak memory consumption was 176.7MB. Max. memory is 8.0GB. [2022-02-15 00:38:56,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 219.2MB. Free memory is still 180.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.35ms. Allocated memory is still 219.2MB. Free memory was 192.1MB in the beginning and 186.1MB in the end (delta: 6.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.26ms. Allocated memory is still 219.2MB. Free memory was 186.1MB in the beginning and 183.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 554.39ms. Allocated memory is still 219.2MB. Free memory was 183.7MB in the beginning and 159.1MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * IcfgTransformer took 44.44ms. Allocated memory is still 219.2MB. Free memory was 158.9MB in the beginning and 156.0MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 15918.83ms. Allocated memory was 219.2MB in the beginning and 396.4MB in the end (delta: 177.2MB). Free memory was 155.6MB in the beginning and 157.7MB in the end (delta: -2.1MB). Peak memory consumption was 176.7MB. 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: 618]: 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, 133 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 33, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13200 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13200 mSDsluCounter, 6235 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 528 mSDsCounter, 1130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8526 IncrementalHoareTripleChecker+Invalid, 9656 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1130 mSolverCounterUnsat, 5707 mSDtfsCounter, 8526 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3448 GetRequests, 3277 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6678occurred in iteration=29, InterpolantAutomatonStates: 165, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 33 MinimizatonAttempts, 4846 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 8180 NumberOfCodeBlocks, 8180 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 9474 ConstructedInterpolants, 0 QuantifiedInterpolants, 13474 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3347 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 40 InterpolantComputations, 30 PerfectInterpolantSequences, 38989/39096 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 RESULT: Ultimate proved your program to be correct! [2022-02-15 00:38:56,039 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...