/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-b030c9e [2022-03-20 07:27:46,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 07:27:46,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 07:27:46,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 07:27:46,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 07:27:46,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 07:27:46,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 07:27:46,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 07:27:46,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 07:27:46,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 07:27:46,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 07:27:46,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 07:27:46,742 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 07:27:46,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 07:27:46,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 07:27:46,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 07:27:46,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 07:27:46,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 07:27:46,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 07:27:46,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 07:27:46,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 07:27:46,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 07:27:46,759 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 07:27:46,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 07:27:46,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 07:27:46,761 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 07:27:46,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 07:27:46,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 07:27:46,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 07:27:46,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 07:27:46,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 07:27:46,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 07:27:46,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 07:27:46,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:27:46,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 07:27:46,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 07:27:46,763 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 07:27:46,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 07:27:46,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 07:27:46,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 07:27:46,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 07:27:46,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 07:27:46,937 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 07:27:46,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-03-20 07:27:47,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8594a8dd/91d82487f51b4d259f124e4ce53575a6/FLAG75f669507 [2022-03-20 07:27:47,417 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 07:27:47,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-03-20 07:27:47,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8594a8dd/91d82487f51b4d259f124e4ce53575a6/FLAG75f669507 [2022-03-20 07:27:47,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8594a8dd/91d82487f51b4d259f124e4ce53575a6 [2022-03-20 07:27:47,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 07:27:47,442 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 07:27:47,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 07:27:47,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 07:27:47,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 07:27:47,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727a30d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47, skipping insertion in model container [2022-03-20 07:27:47,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 07:27:47,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 07:27:47,639 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] [2022-03-20 07:27:47,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:27:47,648 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 07:27:47,681 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] [2022-03-20 07:27:47,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 07:27:47,691 INFO L208 MainTranslator]: Completed translation [2022-03-20 07:27:47,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47 WrapperNode [2022-03-20 07:27:47,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 07:27:47,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 07:27:47,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 07:27:47,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 07:27:47,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 07:27:47,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 07:27:47,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 07:27:47,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 07:27:47,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (1/1) ... [2022-03-20 07:27:47,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 07:27:47,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:27:47,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-20 07:27:47,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-20 07:27:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 07:27:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 07:27:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 07:27:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 07:27:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 07:27:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 07:27:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 07:27:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 07:27:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 07:27:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 07:27:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 07:27:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 07:27:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 07:27:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 07:27:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 07:27:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 07:27:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 07:27:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 07:27:47,839 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 07:27:47,840 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 07:27:47,947 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 07:27:48,205 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 07:27:48,205 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 07:27:48,207 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 07:27:48,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 07:27:48,228 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 07:27:48,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:27:48 BoogieIcfgContainer [2022-03-20 07:27:48,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 07:27:48,230 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 07:27:48,230 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 07:27:48,233 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 07:27:48,235 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:27:48" (1/1) ... [2022-03-20 07:27:48,236 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 07:27:48,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:27:48 BasicIcfg [2022-03-20 07:27:48,272 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 07:27:48,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 07:27:48,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 07:27:48,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 07:27:48,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 07:27:47" (1/4) ... [2022-03-20 07:27:48,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4de8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:27:48, skipping insertion in model container [2022-03-20 07:27:48,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 07:27:47" (2/4) ... [2022-03-20 07:27:48,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4de8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 07:27:48, skipping insertion in model container [2022-03-20 07:27:48,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 07:27:48" (3/4) ... [2022-03-20 07:27:48,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4de8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 07:27:48, skipping insertion in model container [2022-03-20 07:27:48,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 07:27:48" (4/4) ... [2022-03-20 07:27:48,277 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.cJordan [2022-03-20 07:27:48,282 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 07:27:48,283 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 07:27:48,321 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 07:27:48,326 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 07:27:48,328 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 07:27:48,342 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) [2022-03-20 07:27:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 07:27:48,359 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:48,359 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:27:48,360 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:48,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1711602328, now seen corresponding path program 1 times [2022-03-20 07:27:48,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:48,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099130902] [2022-03-20 07:27:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:27:48,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:48,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099130902] [2022-03-20 07:27:48,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099130902] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:48,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:48,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567036807] [2022-03-20 07:27:48,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:48,657 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:48,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:48,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:48,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:48,684 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) [2022-03-20 07:27:49,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:49,135 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2022-03-20 07:27:49,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:49,138 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 [2022-03-20 07:27:49,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:49,145 INFO L225 Difference]: With dead ends: 166 [2022-03-20 07:27:49,145 INFO L226 Difference]: Without dead ends: 143 [2022-03-20 07:27:49,146 INFO L912 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 [2022-03-20 07:27:49,148 INFO L913 BasicCegarLoop]: 148 mSDtfsCounter, 684 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-20 07:27:49,149 INFO L914 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] [2022-03-20 07:27:49,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-03-20 07:27:49,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2022-03-20 07:27:49,174 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) [2022-03-20 07:27:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 213 transitions. [2022-03-20 07:27:49,176 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 213 transitions. Word has length 30 [2022-03-20 07:27:49,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:49,177 INFO L478 AbstractCegarLoop]: Abstraction has 138 states and 213 transitions. [2022-03-20 07:27:49,177 INFO L479 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) [2022-03-20 07:27:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2022-03-20 07:27:49,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-03-20 07:27:49,178 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:49,178 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:27:49,178 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 07:27:49,178 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:49,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:49,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1521013668, now seen corresponding path program 1 times [2022-03-20 07:27:49,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:49,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106351255] [2022-03-20 07:27:49,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:49,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:27:49,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:49,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106351255] [2022-03-20 07:27:49,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106351255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:49,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:49,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:49,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132279622] [2022-03-20 07:27:49,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:49,273 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:49,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:49,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:49,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:49,274 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) [2022-03-20 07:27:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:49,524 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2022-03-20 07:27:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:49,524 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 [2022-03-20 07:27:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:49,526 INFO L225 Difference]: With dead ends: 167 [2022-03-20 07:27:49,526 INFO L226 Difference]: Without dead ends: 167 [2022-03-20 07:27:49,526 INFO L912 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 [2022-03-20 07:27:49,527 INFO L913 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 [2022-03-20 07:27:49,528 INFO L914 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] [2022-03-20 07:27:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-03-20 07:27:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2022-03-20 07:27:49,535 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) [2022-03-20 07:27:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 256 transitions. [2022-03-20 07:27:49,536 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 256 transitions. Word has length 31 [2022-03-20 07:27:49,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:49,537 INFO L478 AbstractCegarLoop]: Abstraction has 162 states and 256 transitions. [2022-03-20 07:27:49,537 INFO L479 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) [2022-03-20 07:27:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2022-03-20 07:27:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-20 07:27:49,538 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:49,538 INFO L499 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] [2022-03-20 07:27:49,538 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 07:27:49,539 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:49,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1810389985, now seen corresponding path program 1 times [2022-03-20 07:27:49,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:49,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854067676] [2022-03-20 07:27:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:27:49,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:49,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854067676] [2022-03-20 07:27:49,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854067676] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:49,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:49,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:49,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825476423] [2022-03-20 07:27:49,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:49,592 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:49,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:49,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:49,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:49,593 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) [2022-03-20 07:27:49,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:49,800 INFO L93 Difference]: Finished difference Result 186 states and 296 transitions. [2022-03-20 07:27:49,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:49,800 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 [2022-03-20 07:27:49,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:49,801 INFO L225 Difference]: With dead ends: 186 [2022-03-20 07:27:49,802 INFO L226 Difference]: Without dead ends: 186 [2022-03-20 07:27:49,802 INFO L912 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 [2022-03-20 07:27:49,803 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 537 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-20 07:27:49,803 INFO L914 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] [2022-03-20 07:27:49,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-03-20 07:27:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-03-20 07:27:49,809 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) [2022-03-20 07:27:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 292 transitions. [2022-03-20 07:27:49,811 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 292 transitions. Word has length 50 [2022-03-20 07:27:49,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:49,811 INFO L478 AbstractCegarLoop]: Abstraction has 183 states and 292 transitions. [2022-03-20 07:27:49,811 INFO L479 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) [2022-03-20 07:27:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 292 transitions. [2022-03-20 07:27:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-03-20 07:27:49,812 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:49,812 INFO L499 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] [2022-03-20 07:27:49,812 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 07:27:49,813 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:49,813 INFO L85 PathProgramCache]: Analyzing trace with hash 465010892, now seen corresponding path program 1 times [2022-03-20 07:27:49,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:49,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832903523] [2022-03-20 07:27:49,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:27:49,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:49,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832903523] [2022-03-20 07:27:49,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832903523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:49,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:49,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:49,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666211453] [2022-03-20 07:27:49,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:49,860 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:49,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:49,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:49,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:49,861 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) [2022-03-20 07:27:50,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:50,063 INFO L93 Difference]: Finished difference Result 186 states and 294 transitions. [2022-03-20 07:27:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:50,063 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 [2022-03-20 07:27:50,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:50,064 INFO L225 Difference]: With dead ends: 186 [2022-03-20 07:27:50,064 INFO L226 Difference]: Without dead ends: 186 [2022-03-20 07:27:50,064 INFO L912 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 [2022-03-20 07:27:50,065 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 540 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-20 07:27:50,066 INFO L914 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] [2022-03-20 07:27:50,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-03-20 07:27:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-03-20 07:27:50,071 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) [2022-03-20 07:27:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 290 transitions. [2022-03-20 07:27:50,072 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 290 transitions. Word has length 51 [2022-03-20 07:27:50,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:50,072 INFO L478 AbstractCegarLoop]: Abstraction has 183 states and 290 transitions. [2022-03-20 07:27:50,072 INFO L479 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) [2022-03-20 07:27:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 290 transitions. [2022-03-20 07:27:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 07:27:50,073 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:50,074 INFO L499 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] [2022-03-20 07:27:50,074 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 07:27:50,074 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:50,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:50,074 INFO L85 PathProgramCache]: Analyzing trace with hash -409944273, now seen corresponding path program 1 times [2022-03-20 07:27:50,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:50,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706742739] [2022-03-20 07:27:50,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:50,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 07:27:50,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:50,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706742739] [2022-03-20 07:27:50,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706742739] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:50,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:50,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:50,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067859079] [2022-03-20 07:27:50,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:50,120 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:50,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:50,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:50,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:50,121 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) [2022-03-20 07:27:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:50,336 INFO L93 Difference]: Finished difference Result 207 states and 328 transitions. [2022-03-20 07:27:50,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:50,337 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 [2022-03-20 07:27:50,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:50,338 INFO L225 Difference]: With dead ends: 207 [2022-03-20 07:27:50,338 INFO L226 Difference]: Without dead ends: 207 [2022-03-20 07:27:50,338 INFO L912 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 [2022-03-20 07:27:50,339 INFO L913 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 [2022-03-20 07:27:50,339 INFO L914 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] [2022-03-20 07:27:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-03-20 07:27:50,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-03-20 07:27:50,344 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) [2022-03-20 07:27:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 322 transitions. [2022-03-20 07:27:50,345 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 322 transitions. Word has length 66 [2022-03-20 07:27:50,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:50,345 INFO L478 AbstractCegarLoop]: Abstraction has 203 states and 322 transitions. [2022-03-20 07:27:50,345 INFO L479 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) [2022-03-20 07:27:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 322 transitions. [2022-03-20 07:27:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-20 07:27:50,346 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:50,346 INFO L499 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] [2022-03-20 07:27:50,346 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 07:27:50,347 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:50,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:50,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1177930087, now seen corresponding path program 1 times [2022-03-20 07:27:50,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:50,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201795641] [2022-03-20 07:27:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:50,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-20 07:27:50,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:50,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201795641] [2022-03-20 07:27:50,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201795641] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:50,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:50,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:50,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261325278] [2022-03-20 07:27:50,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:50,390 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:50,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:50,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:50,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:50,391 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) [2022-03-20 07:27:50,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:50,611 INFO L93 Difference]: Finished difference Result 207 states and 325 transitions. [2022-03-20 07:27:50,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:50,612 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 [2022-03-20 07:27:50,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:50,613 INFO L225 Difference]: With dead ends: 207 [2022-03-20 07:27:50,613 INFO L226 Difference]: Without dead ends: 207 [2022-03-20 07:27:50,613 INFO L912 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 [2022-03-20 07:27:50,614 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 538 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-20 07:27:50,614 INFO L914 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] [2022-03-20 07:27:50,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-03-20 07:27:50,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-03-20 07:27:50,625 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) [2022-03-20 07:27:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 319 transitions. [2022-03-20 07:27:50,625 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 319 transitions. Word has length 67 [2022-03-20 07:27:50,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:50,626 INFO L478 AbstractCegarLoop]: Abstraction has 203 states and 319 transitions. [2022-03-20 07:27:50,626 INFO L479 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) [2022-03-20 07:27:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 319 transitions. [2022-03-20 07:27:50,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-20 07:27:50,627 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:50,627 INFO L499 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] [2022-03-20 07:27:50,627 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 07:27:50,627 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:50,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:50,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2089443154, now seen corresponding path program 1 times [2022-03-20 07:27:50,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:50,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681610769] [2022-03-20 07:27:50,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:50,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 07:27:50,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:50,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681610769] [2022-03-20 07:27:50,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681610769] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:50,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:50,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:50,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479946096] [2022-03-20 07:27:50,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:50,712 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:50,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:50,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:50,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:50,713 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) [2022-03-20 07:27:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:50,939 INFO L93 Difference]: Finished difference Result 245 states and 390 transitions. [2022-03-20 07:27:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:50,940 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 [2022-03-20 07:27:50,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:50,941 INFO L225 Difference]: With dead ends: 245 [2022-03-20 07:27:50,941 INFO L226 Difference]: Without dead ends: 244 [2022-03-20 07:27:50,941 INFO L912 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 [2022-03-20 07:27:50,942 INFO L913 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 [2022-03-20 07:27:50,942 INFO L914 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] [2022-03-20 07:27:50,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-03-20 07:27:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-03-20 07:27:50,946 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) [2022-03-20 07:27:50,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 389 transitions. [2022-03-20 07:27:50,947 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 389 transitions. Word has length 68 [2022-03-20 07:27:50,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:50,947 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 389 transitions. [2022-03-20 07:27:50,947 INFO L479 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) [2022-03-20 07:27:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 389 transitions. [2022-03-20 07:27:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-03-20 07:27:50,948 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:50,948 INFO L499 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] [2022-03-20 07:27:50,948 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 07:27:50,948 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:50,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:50,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1036864402, now seen corresponding path program 1 times [2022-03-20 07:27:50,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:50,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701575200] [2022-03-20 07:27:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 07:27:50,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:50,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701575200] [2022-03-20 07:27:50,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701575200] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:50,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:50,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:50,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995624657] [2022-03-20 07:27:50,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:50,984 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:50,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:50,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:50,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:50,985 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) [2022-03-20 07:27:51,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:51,180 INFO L93 Difference]: Finished difference Result 266 states and 422 transitions. [2022-03-20 07:27:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:51,181 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 [2022-03-20 07:27:51,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:51,182 INFO L225 Difference]: With dead ends: 266 [2022-03-20 07:27:51,182 INFO L226 Difference]: Without dead ends: 266 [2022-03-20 07:27:51,182 INFO L912 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 [2022-03-20 07:27:51,183 INFO L913 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 [2022-03-20 07:27:51,183 INFO L914 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] [2022-03-20 07:27:51,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-03-20 07:27:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-03-20 07:27:51,187 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) [2022-03-20 07:27:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 414 transitions. [2022-03-20 07:27:51,188 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 414 transitions. Word has length 83 [2022-03-20 07:27:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:51,188 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 414 transitions. [2022-03-20 07:27:51,188 INFO L479 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) [2022-03-20 07:27:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 414 transitions. [2022-03-20 07:27:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-20 07:27:51,189 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:51,189 INFO L499 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] [2022-03-20 07:27:51,189 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 07:27:51,189 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:51,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:51,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1054051491, now seen corresponding path program 1 times [2022-03-20 07:27:51,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:51,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047662460] [2022-03-20 07:27:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:51,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 07:27:51,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:51,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047662460] [2022-03-20 07:27:51,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047662460] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:51,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:51,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:51,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570526493] [2022-03-20 07:27:51,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:51,242 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:51,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:51,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:51,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:51,243 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) [2022-03-20 07:27:51,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:51,460 INFO L93 Difference]: Finished difference Result 266 states and 417 transitions. [2022-03-20 07:27:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:51,460 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 [2022-03-20 07:27:51,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:51,461 INFO L225 Difference]: With dead ends: 266 [2022-03-20 07:27:51,461 INFO L226 Difference]: Without dead ends: 266 [2022-03-20 07:27:51,462 INFO L912 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 [2022-03-20 07:27:51,463 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 536 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-20 07:27:51,464 INFO L914 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] [2022-03-20 07:27:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-03-20 07:27:51,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-03-20 07:27:51,469 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) [2022-03-20 07:27:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 409 transitions. [2022-03-20 07:27:51,469 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 409 transitions. Word has length 84 [2022-03-20 07:27:51,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:51,470 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 409 transitions. [2022-03-20 07:27:51,470 INFO L479 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) [2022-03-20 07:27:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 409 transitions. [2022-03-20 07:27:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-20 07:27:51,472 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:51,472 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:27:51,472 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 07:27:51,472 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:51,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:51,473 INFO L85 PathProgramCache]: Analyzing trace with hash -61911791, now seen corresponding path program 1 times [2022-03-20 07:27:51,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:51,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362652501] [2022-03-20 07:27:51,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:51,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-03-20 07:27:51,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:51,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362652501] [2022-03-20 07:27:51,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362652501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:51,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:51,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:51,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527428192] [2022-03-20 07:27:51,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:51,522 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:51,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:51,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:51,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:51,523 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) [2022-03-20 07:27:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:51,713 INFO L93 Difference]: Finished difference Result 279 states and 433 transitions. [2022-03-20 07:27:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:51,714 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 [2022-03-20 07:27:51,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:51,716 INFO L225 Difference]: With dead ends: 279 [2022-03-20 07:27:51,716 INFO L226 Difference]: Without dead ends: 279 [2022-03-20 07:27:51,716 INFO L912 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 [2022-03-20 07:27:51,717 INFO L913 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 [2022-03-20 07:27:51,717 INFO L914 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] [2022-03-20 07:27:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-03-20 07:27:51,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-03-20 07:27:51,721 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) [2022-03-20 07:27:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 429 transitions. [2022-03-20 07:27:51,722 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 429 transitions. Word has length 97 [2022-03-20 07:27:51,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:51,723 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 429 transitions. [2022-03-20 07:27:51,723 INFO L479 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) [2022-03-20 07:27:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 429 transitions. [2022-03-20 07:27:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-20 07:27:51,724 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:51,724 INFO L499 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] [2022-03-20 07:27:51,724 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 07:27:51,724 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:51,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:51,725 INFO L85 PathProgramCache]: Analyzing trace with hash -816635385, now seen corresponding path program 1 times [2022-03-20 07:27:51,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:51,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459393758] [2022-03-20 07:27:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-03-20 07:27:51,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:51,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459393758] [2022-03-20 07:27:51,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459393758] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:51,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:51,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:51,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567565768] [2022-03-20 07:27:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:51,785 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:51,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:51,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:51,786 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) [2022-03-20 07:27:51,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:51,967 INFO L93 Difference]: Finished difference Result 279 states and 427 transitions. [2022-03-20 07:27:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:51,967 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 [2022-03-20 07:27:51,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:51,969 INFO L225 Difference]: With dead ends: 279 [2022-03-20 07:27:51,969 INFO L226 Difference]: Without dead ends: 279 [2022-03-20 07:27:51,969 INFO L912 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 [2022-03-20 07:27:51,969 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 522 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-20 07:27:51,970 INFO L914 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] [2022-03-20 07:27:51,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-03-20 07:27:51,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-03-20 07:27:51,973 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) [2022-03-20 07:27:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 423 transitions. [2022-03-20 07:27:51,974 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 423 transitions. Word has length 98 [2022-03-20 07:27:51,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:51,975 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 423 transitions. [2022-03-20 07:27:51,975 INFO L479 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) [2022-03-20 07:27:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 423 transitions. [2022-03-20 07:27:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-20 07:27:51,977 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:51,977 INFO L499 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] [2022-03-20 07:27:51,978 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 07:27:51,978 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:51,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:51,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1044267923, now seen corresponding path program 1 times [2022-03-20 07:27:51,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:51,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258481116] [2022-03-20 07:27:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:51,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-20 07:27:52,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:52,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258481116] [2022-03-20 07:27:52,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258481116] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:52,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:52,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:52,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616023451] [2022-03-20 07:27:52,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:52,034 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:52,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:52,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:52,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:52,035 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) [2022-03-20 07:27:52,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:52,242 INFO L93 Difference]: Finished difference Result 328 states and 509 transitions. [2022-03-20 07:27:52,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:52,243 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 [2022-03-20 07:27:52,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:52,244 INFO L225 Difference]: With dead ends: 328 [2022-03-20 07:27:52,244 INFO L226 Difference]: Without dead ends: 328 [2022-03-20 07:27:52,244 INFO L912 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 [2022-03-20 07:27:52,244 INFO L913 BasicCegarLoop]: 112 mSDtfsCounter, 559 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-20 07:27:52,245 INFO L914 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] [2022-03-20 07:27:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-03-20 07:27:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2022-03-20 07:27:52,249 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) [2022-03-20 07:27:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 507 transitions. [2022-03-20 07:27:52,250 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 507 transitions. Word has length 104 [2022-03-20 07:27:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:52,251 INFO L478 AbstractCegarLoop]: Abstraction has 326 states and 507 transitions. [2022-03-20 07:27:52,251 INFO L479 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) [2022-03-20 07:27:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 507 transitions. [2022-03-20 07:27:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-20 07:27:52,253 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:52,253 INFO L499 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] [2022-03-20 07:27:52,253 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 07:27:52,253 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:52,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:52,253 INFO L85 PathProgramCache]: Analyzing trace with hash 73282143, now seen corresponding path program 1 times [2022-03-20 07:27:52,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:52,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239796679] [2022-03-20 07:27:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:52,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,304 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-20 07:27:52,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:52,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239796679] [2022-03-20 07:27:52,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239796679] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:52,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:52,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 07:27:52,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937142322] [2022-03-20 07:27:52,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:52,305 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 07:27:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:52,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 07:27:52,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:27:52,306 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) [2022-03-20 07:27:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:52,520 INFO L93 Difference]: Finished difference Result 329 states and 509 transitions. [2022-03-20 07:27:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:52,520 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 [2022-03-20 07:27:52,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:52,521 INFO L225 Difference]: With dead ends: 329 [2022-03-20 07:27:52,522 INFO L226 Difference]: Without dead ends: 329 [2022-03-20 07:27:52,522 INFO L912 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 [2022-03-20 07:27:52,522 INFO L913 BasicCegarLoop]: 111 mSDtfsCounter, 569 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:52,522 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 128 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:27:52,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-03-20 07:27:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2022-03-20 07:27:52,540 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) [2022-03-20 07:27:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 507 transitions. [2022-03-20 07:27:52,541 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 507 transitions. Word has length 105 [2022-03-20 07:27:52,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:52,541 INFO L478 AbstractCegarLoop]: Abstraction has 327 states and 507 transitions. [2022-03-20 07:27:52,542 INFO L479 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) [2022-03-20 07:27:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 507 transitions. [2022-03-20 07:27:52,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-03-20 07:27:52,542 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:52,542 INFO L499 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] [2022-03-20 07:27:52,543 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 07:27:52,543 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:52,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:52,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1546418708, now seen corresponding path program 1 times [2022-03-20 07:27:52,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:52,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730387623] [2022-03-20 07:27:52,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:52,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-20 07:27:52,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:52,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730387623] [2022-03-20 07:27:52,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730387623] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:52,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:52,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:52,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083240658] [2022-03-20 07:27:52,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:52,576 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:52,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:52,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:52,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:52,578 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) [2022-03-20 07:27:52,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:52,725 INFO L93 Difference]: Finished difference Result 638 states and 989 transitions. [2022-03-20 07:27:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:52,725 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 [2022-03-20 07:27:52,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:52,727 INFO L225 Difference]: With dead ends: 638 [2022-03-20 07:27:52,727 INFO L226 Difference]: Without dead ends: 638 [2022-03-20 07:27:52,727 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:52,728 INFO L913 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 [2022-03-20 07:27:52,728 INFO L914 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] [2022-03-20 07:27:52,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2022-03-20 07:27:52,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2022-03-20 07:27:52,736 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) [2022-03-20 07:27:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 989 transitions. [2022-03-20 07:27:52,738 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 989 transitions. Word has length 109 [2022-03-20 07:27:52,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:52,738 INFO L478 AbstractCegarLoop]: Abstraction has 638 states and 989 transitions. [2022-03-20 07:27:52,738 INFO L479 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) [2022-03-20 07:27:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 989 transitions. [2022-03-20 07:27:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-20 07:27:52,740 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:52,740 INFO L499 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] [2022-03-20 07:27:52,740 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 07:27:52,741 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:52,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:52,741 INFO L85 PathProgramCache]: Analyzing trace with hash 691753828, now seen corresponding path program 1 times [2022-03-20 07:27:52,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:52,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547840371] [2022-03-20 07:27:52,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:52,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-03-20 07:27:52,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:52,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547840371] [2022-03-20 07:27:52,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547840371] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:52,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:52,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:52,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454679373] [2022-03-20 07:27:52,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:52,769 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:52,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:52,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:52,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:52,770 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) [2022-03-20 07:27:52,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:52,909 INFO L93 Difference]: Finished difference Result 926 states and 1436 transitions. [2022-03-20 07:27:52,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:52,909 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 [2022-03-20 07:27:52,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:52,912 INFO L225 Difference]: With dead ends: 926 [2022-03-20 07:27:52,912 INFO L226 Difference]: Without dead ends: 926 [2022-03-20 07:27:52,913 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:52,914 INFO L913 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 [2022-03-20 07:27:52,915 INFO L914 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] [2022-03-20 07:27:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-03-20 07:27:52,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2022-03-20 07:27:52,925 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) [2022-03-20 07:27:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1436 transitions. [2022-03-20 07:27:52,927 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1436 transitions. Word has length 110 [2022-03-20 07:27:52,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:52,927 INFO L478 AbstractCegarLoop]: Abstraction has 926 states and 1436 transitions. [2022-03-20 07:27:52,928 INFO L479 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) [2022-03-20 07:27:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1436 transitions. [2022-03-20 07:27:52,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-20 07:27:52,929 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:52,929 INFO L499 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] [2022-03-20 07:27:52,929 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 07:27:52,929 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:52,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:52,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1111270659, now seen corresponding path program 1 times [2022-03-20 07:27:52,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:52,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668270894] [2022-03-20 07:27:52,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:52,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-03-20 07:27:52,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:52,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668270894] [2022-03-20 07:27:52,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668270894] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:52,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:52,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:52,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251391130] [2022-03-20 07:27:52,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:52,961 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:52,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:52,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:52,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:52,962 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) [2022-03-20 07:27:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:53,094 INFO L93 Difference]: Finished difference Result 1219 states and 1888 transitions. [2022-03-20 07:27:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:53,095 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 [2022-03-20 07:27:53,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:53,098 INFO L225 Difference]: With dead ends: 1219 [2022-03-20 07:27:53,098 INFO L226 Difference]: Without dead ends: 1219 [2022-03-20 07:27:53,099 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:53,099 INFO L913 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 [2022-03-20 07:27:53,099 INFO L914 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] [2022-03-20 07:27:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-03-20 07:27:53,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2022-03-20 07:27:53,113 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) [2022-03-20 07:27:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1888 transitions. [2022-03-20 07:27:53,117 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1888 transitions. Word has length 110 [2022-03-20 07:27:53,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:53,117 INFO L478 AbstractCegarLoop]: Abstraction has 1219 states and 1888 transitions. [2022-03-20 07:27:53,117 INFO L479 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) [2022-03-20 07:27:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1888 transitions. [2022-03-20 07:27:53,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-20 07:27:53,118 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:53,119 INFO L499 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] [2022-03-20 07:27:53,119 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 07:27:53,119 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:53,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:53,119 INFO L85 PathProgramCache]: Analyzing trace with hash -723676683, now seen corresponding path program 1 times [2022-03-20 07:27:53,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:53,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640100471] [2022-03-20 07:27:53,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:53,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-03-20 07:27:53,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:53,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640100471] [2022-03-20 07:27:53,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640100471] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:53,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:53,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:53,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510299650] [2022-03-20 07:27:53,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:53,165 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:53,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:53,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:53,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:53,166 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) [2022-03-20 07:27:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:53,302 INFO L93 Difference]: Finished difference Result 1531 states and 2376 transitions. [2022-03-20 07:27:53,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:53,303 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 [2022-03-20 07:27:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:53,307 INFO L225 Difference]: With dead ends: 1531 [2022-03-20 07:27:53,307 INFO L226 Difference]: Without dead ends: 1531 [2022-03-20 07:27:53,307 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:53,308 INFO L913 BasicCegarLoop]: 162 mSDtfsCounter, 449 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:53,308 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 169 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:27:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2022-03-20 07:27:53,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2022-03-20 07:27:53,326 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) [2022-03-20 07:27:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2376 transitions. [2022-03-20 07:27:53,352 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2376 transitions. Word has length 111 [2022-03-20 07:27:53,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:53,353 INFO L478 AbstractCegarLoop]: Abstraction has 1531 states and 2376 transitions. [2022-03-20 07:27:53,353 INFO L479 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) [2022-03-20 07:27:53,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2376 transitions. [2022-03-20 07:27:53,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-03-20 07:27:53,355 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:53,356 INFO L499 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] [2022-03-20 07:27:53,356 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 07:27:53,356 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:53,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:53,357 INFO L85 PathProgramCache]: Analyzing trace with hash -982594376, now seen corresponding path program 1 times [2022-03-20 07:27:53,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:53,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477626897] [2022-03-20 07:27:53,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:53,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-03-20 07:27:53,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:53,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477626897] [2022-03-20 07:27:53,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477626897] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:53,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:53,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:53,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986401029] [2022-03-20 07:27:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:53,404 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:53,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:53,405 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) [2022-03-20 07:27:53,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:53,575 INFO L93 Difference]: Finished difference Result 1534 states and 2167 transitions. [2022-03-20 07:27:53,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:53,576 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 [2022-03-20 07:27:53,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:53,580 INFO L225 Difference]: With dead ends: 1534 [2022-03-20 07:27:53,580 INFO L226 Difference]: Without dead ends: 1405 [2022-03-20 07:27:53,580 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:53,581 INFO L913 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:53,581 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 173 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:27:53,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-03-20 07:27:53,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1357. [2022-03-20 07:27:53,598 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) [2022-03-20 07:27:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1964 transitions. [2022-03-20 07:27:53,602 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1964 transitions. Word has length 171 [2022-03-20 07:27:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:53,602 INFO L478 AbstractCegarLoop]: Abstraction has 1357 states and 1964 transitions. [2022-03-20 07:27:53,603 INFO L479 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) [2022-03-20 07:27:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1964 transitions. [2022-03-20 07:27:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-20 07:27:53,605 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:53,606 INFO L499 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] [2022-03-20 07:27:53,606 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 07:27:53,606 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:53,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1551429465, now seen corresponding path program 1 times [2022-03-20 07:27:53,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:53,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909571067] [2022-03-20 07:27:53,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:53,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-03-20 07:27:53,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:53,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909571067] [2022-03-20 07:27:53,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909571067] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:53,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:53,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:53,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345441050] [2022-03-20 07:27:53,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:53,650 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:53,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:53,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:53,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:53,651 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) [2022-03-20 07:27:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:53,813 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2022-03-20 07:27:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:53,814 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 [2022-03-20 07:27:53,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:53,818 INFO L225 Difference]: With dead ends: 1422 [2022-03-20 07:27:53,818 INFO L226 Difference]: Without dead ends: 1422 [2022-03-20 07:27:53,818 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:53,818 INFO L913 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 [2022-03-20 07:27:53,818 INFO L914 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] [2022-03-20 07:27:53,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2022-03-20 07:27:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1364. [2022-03-20 07:27:53,834 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) [2022-03-20 07:27:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1944 transitions. [2022-03-20 07:27:53,837 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1944 transitions. Word has length 172 [2022-03-20 07:27:53,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:53,838 INFO L478 AbstractCegarLoop]: Abstraction has 1364 states and 1944 transitions. [2022-03-20 07:27:53,838 INFO L479 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) [2022-03-20 07:27:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1944 transitions. [2022-03-20 07:27:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-20 07:27:53,840 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:53,841 INFO L499 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] [2022-03-20 07:27:53,841 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 07:27:53,841 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:53,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:53,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1524959551, now seen corresponding path program 1 times [2022-03-20 07:27:53,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:53,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213209587] [2022-03-20 07:27:53,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:53,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:53,877 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-03-20 07:27:53,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:53,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213209587] [2022-03-20 07:27:53,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213209587] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:53,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:53,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:53,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754154888] [2022-03-20 07:27:53,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:53,878 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:53,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:53,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:53,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:53,878 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) [2022-03-20 07:27:54,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:54,033 INFO L93 Difference]: Finished difference Result 1482 states and 2054 transitions. [2022-03-20 07:27:54,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:54,033 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 [2022-03-20 07:27:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:54,037 INFO L225 Difference]: With dead ends: 1482 [2022-03-20 07:27:54,037 INFO L226 Difference]: Without dead ends: 1414 [2022-03-20 07:27:54,037 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:54,037 INFO L913 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 [2022-03-20 07:27:54,038 INFO L914 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] [2022-03-20 07:27:54,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-03-20 07:27:54,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1364. [2022-03-20 07:27:54,051 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) [2022-03-20 07:27:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1928 transitions. [2022-03-20 07:27:54,054 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1928 transitions. Word has length 191 [2022-03-20 07:27:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:54,055 INFO L478 AbstractCegarLoop]: Abstraction has 1364 states and 1928 transitions. [2022-03-20 07:27:54,055 INFO L479 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) [2022-03-20 07:27:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1928 transitions. [2022-03-20 07:27:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-03-20 07:27:54,057 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:54,057 INFO L499 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] [2022-03-20 07:27:54,057 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 07:27:54,057 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:54,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:54,058 INFO L85 PathProgramCache]: Analyzing trace with hash -137545226, now seen corresponding path program 1 times [2022-03-20 07:27:54,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:54,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233365666] [2022-03-20 07:27:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:54,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-03-20 07:27:54,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:54,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233365666] [2022-03-20 07:27:54,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233365666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:54,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:54,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:54,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653086742] [2022-03-20 07:27:54,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:54,092 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:54,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:54,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:54,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:54,092 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) [2022-03-20 07:27:54,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:54,244 INFO L93 Difference]: Finished difference Result 1572 states and 2168 transitions. [2022-03-20 07:27:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:54,244 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 [2022-03-20 07:27:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:54,248 INFO L225 Difference]: With dead ends: 1572 [2022-03-20 07:27:54,248 INFO L226 Difference]: Without dead ends: 1512 [2022-03-20 07:27:54,248 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:54,249 INFO L913 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:54,249 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 172 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:27:54,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-03-20 07:27:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1464. [2022-03-20 07:27:54,286 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) [2022-03-20 07:27:54,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2048 transitions. [2022-03-20 07:27:54,289 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2048 transitions. Word has length 212 [2022-03-20 07:27:54,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:54,290 INFO L478 AbstractCegarLoop]: Abstraction has 1464 states and 2048 transitions. [2022-03-20 07:27:54,290 INFO L479 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) [2022-03-20 07:27:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2048 transitions. [2022-03-20 07:27:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-03-20 07:27:54,293 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:54,293 INFO L499 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] [2022-03-20 07:27:54,293 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 07:27:54,293 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2009924782, now seen corresponding path program 1 times [2022-03-20 07:27:54,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:54,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514617892] [2022-03-20 07:27:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:54,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-03-20 07:27:54,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:54,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514617892] [2022-03-20 07:27:54,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514617892] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:54,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:54,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:54,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989583069] [2022-03-20 07:27:54,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:54,331 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:54,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:54,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:54,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:54,331 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) [2022-03-20 07:27:54,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:54,479 INFO L93 Difference]: Finished difference Result 1672 states and 2292 transitions. [2022-03-20 07:27:54,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:54,480 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 [2022-03-20 07:27:54,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:54,484 INFO L225 Difference]: With dead ends: 1672 [2022-03-20 07:27:54,484 INFO L226 Difference]: Without dead ends: 1620 [2022-03-20 07:27:54,484 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:54,485 INFO L913 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 [2022-03-20 07:27:54,485 INFO L914 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] [2022-03-20 07:27:54,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-03-20 07:27:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1576. [2022-03-20 07:27:54,501 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) [2022-03-20 07:27:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2188 transitions. [2022-03-20 07:27:54,505 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2188 transitions. Word has length 236 [2022-03-20 07:27:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:54,505 INFO L478 AbstractCegarLoop]: Abstraction has 1576 states and 2188 transitions. [2022-03-20 07:27:54,505 INFO L479 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) [2022-03-20 07:27:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2188 transitions. [2022-03-20 07:27:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-03-20 07:27:54,508 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:54,508 INFO L499 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] [2022-03-20 07:27:54,508 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-20 07:27:54,508 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:54,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:54,508 INFO L85 PathProgramCache]: Analyzing trace with hash -879138157, now seen corresponding path program 1 times [2022-03-20 07:27:54,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:54,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71005513] [2022-03-20 07:27:54,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:54,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-03-20 07:27:54,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:54,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71005513] [2022-03-20 07:27:54,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71005513] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:54,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:54,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:54,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993511871] [2022-03-20 07:27:54,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:54,545 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:54,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:54,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:54,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:54,545 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) [2022-03-20 07:27:54,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:54,692 INFO L93 Difference]: Finished difference Result 1784 states and 2452 transitions. [2022-03-20 07:27:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:54,692 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 [2022-03-20 07:27:54,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:54,696 INFO L225 Difference]: With dead ends: 1784 [2022-03-20 07:27:54,697 INFO L226 Difference]: Without dead ends: 1748 [2022-03-20 07:27:54,697 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:54,697 INFO L913 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:54,697 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 172 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:27:54,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2022-03-20 07:27:54,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1700. [2022-03-20 07:27:54,714 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) [2022-03-20 07:27:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2356 transitions. [2022-03-20 07:27:54,717 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2356 transitions. Word has length 236 [2022-03-20 07:27:54,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:54,717 INFO L478 AbstractCegarLoop]: Abstraction has 1700 states and 2356 transitions. [2022-03-20 07:27:54,717 INFO L479 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) [2022-03-20 07:27:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2356 transitions. [2022-03-20 07:27:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-20 07:27:54,720 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:54,720 INFO L499 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] [2022-03-20 07:27:54,720 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-20 07:27:54,720 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:54,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:54,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1124280444, now seen corresponding path program 1 times [2022-03-20 07:27:54,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:54,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273480944] [2022-03-20 07:27:54,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:54,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-03-20 07:27:54,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:54,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273480944] [2022-03-20 07:27:54,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273480944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:54,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:54,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:54,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613413915] [2022-03-20 07:27:54,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:54,760 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:54,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:54,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:54,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:54,761 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) [2022-03-20 07:27:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:54,896 INFO L93 Difference]: Finished difference Result 3376 states and 4675 transitions. [2022-03-20 07:27:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:54,896 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 [2022-03-20 07:27:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:54,905 INFO L225 Difference]: With dead ends: 3376 [2022-03-20 07:27:54,905 INFO L226 Difference]: Without dead ends: 3376 [2022-03-20 07:27:54,905 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:54,906 INFO L913 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 [2022-03-20 07:27:54,906 INFO L914 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] [2022-03-20 07:27:54,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2022-03-20 07:27:54,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3374. [2022-03-20 07:27:54,943 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) [2022-03-20 07:27:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 3374 states and 4674 transitions. [2022-03-20 07:27:54,947 INFO L78 Accepts]: Start accepts. Automaton has 3374 states and 4674 transitions. Word has length 266 [2022-03-20 07:27:54,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:54,947 INFO L478 AbstractCegarLoop]: Abstraction has 3374 states and 4674 transitions. [2022-03-20 07:27:54,948 INFO L479 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) [2022-03-20 07:27:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 4674 transitions. [2022-03-20 07:27:54,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-20 07:27:54,953 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:54,953 INFO L499 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] [2022-03-20 07:27:54,953 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-20 07:27:54,953 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:54,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:54,953 INFO L85 PathProgramCache]: Analyzing trace with hash 6506181, now seen corresponding path program 1 times [2022-03-20 07:27:54,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:54,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952810096] [2022-03-20 07:27:54,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:54,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-03-20 07:27:55,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:55,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952810096] [2022-03-20 07:27:55,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952810096] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:55,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:55,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:55,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874930680] [2022-03-20 07:27:55,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:55,008 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:55,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:55,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:55,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:55,008 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) [2022-03-20 07:27:55,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:55,184 INFO L93 Difference]: Finished difference Result 3782 states and 5218 transitions. [2022-03-20 07:27:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:55,185 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 [2022-03-20 07:27:55,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:55,193 INFO L225 Difference]: With dead ends: 3782 [2022-03-20 07:27:55,193 INFO L226 Difference]: Without dead ends: 3742 [2022-03-20 07:27:55,194 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:55,194 INFO L913 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:55,194 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 171 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:27:55,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-03-20 07:27:55,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-03-20 07:27:55,237 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) [2022-03-20 07:27:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5074 transitions. [2022-03-20 07:27:55,242 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5074 transitions. Word has length 266 [2022-03-20 07:27:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:55,243 INFO L478 AbstractCegarLoop]: Abstraction has 3654 states and 5074 transitions. [2022-03-20 07:27:55,243 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 07:27:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5074 transitions. [2022-03-20 07:27:55,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-03-20 07:27:55,250 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:55,250 INFO L499 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] [2022-03-20 07:27:55,250 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 07:27:55,250 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:55,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:55,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1703890796, now seen corresponding path program 1 times [2022-03-20 07:27:55,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:55,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703200718] [2022-03-20 07:27:55,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:55,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-03-20 07:27:55,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703200718] [2022-03-20 07:27:55,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703200718] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:55,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:55,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:55,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068891023] [2022-03-20 07:27:55,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:55,305 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:55,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:55,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:55,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:55,305 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) [2022-03-20 07:27:55,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:55,443 INFO L93 Difference]: Finished difference Result 3766 states and 5170 transitions. [2022-03-20 07:27:55,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:55,444 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 [2022-03-20 07:27:55,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:55,462 INFO L225 Difference]: With dead ends: 3766 [2022-03-20 07:27:55,462 INFO L226 Difference]: Without dead ends: 3742 [2022-03-20 07:27:55,462 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:55,463 INFO L913 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 [2022-03-20 07:27:55,464 INFO L914 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] [2022-03-20 07:27:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-03-20 07:27:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-03-20 07:27:55,502 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) [2022-03-20 07:27:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5042 transitions. [2022-03-20 07:27:55,506 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5042 transitions. Word has length 301 [2022-03-20 07:27:55,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:55,506 INFO L478 AbstractCegarLoop]: Abstraction has 3654 states and 5042 transitions. [2022-03-20 07:27:55,506 INFO L479 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) [2022-03-20 07:27:55,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5042 transitions. [2022-03-20 07:27:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-03-20 07:27:55,512 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:55,513 INFO L499 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] [2022-03-20 07:27:55,513 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 07:27:55,513 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:55,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:55,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1069632228, now seen corresponding path program 1 times [2022-03-20 07:27:55,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:55,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969451290] [2022-03-20 07:27:55,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:55,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:27:55,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:55,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969451290] [2022-03-20 07:27:55,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969451290] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:55,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:55,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:55,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820780864] [2022-03-20 07:27:55,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:55,557 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:55,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:55,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:55,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:55,558 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) [2022-03-20 07:27:55,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:55,713 INFO L93 Difference]: Finished difference Result 3702 states and 5037 transitions. [2022-03-20 07:27:55,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:55,714 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 [2022-03-20 07:27:55,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:55,719 INFO L225 Difference]: With dead ends: 3702 [2022-03-20 07:27:55,719 INFO L226 Difference]: Without dead ends: 3702 [2022-03-20 07:27:55,719 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:55,719 INFO L913 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 [2022-03-20 07:27:55,720 INFO L914 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] [2022-03-20 07:27:55,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2022-03-20 07:27:55,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3604. [2022-03-20 07:27:55,763 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) [2022-03-20 07:27:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4910 transitions. [2022-03-20 07:27:55,767 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4910 transitions. Word has length 338 [2022-03-20 07:27:55,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:55,768 INFO L478 AbstractCegarLoop]: Abstraction has 3604 states and 4910 transitions. [2022-03-20 07:27:55,768 INFO L479 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) [2022-03-20 07:27:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4910 transitions. [2022-03-20 07:27:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-03-20 07:27:55,780 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:55,780 INFO L499 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] [2022-03-20 07:27:55,781 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-20 07:27:55,781 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:55,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:55,781 INFO L85 PathProgramCache]: Analyzing trace with hash -732748657, now seen corresponding path program 1 times [2022-03-20 07:27:55,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:55,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916768881] [2022-03-20 07:27:55,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:55,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-03-20 07:27:55,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:55,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916768881] [2022-03-20 07:27:55,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916768881] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:55,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:55,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:55,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886404951] [2022-03-20 07:27:55,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:55,830 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:55,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:55,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:55,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:55,830 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) [2022-03-20 07:27:55,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:55,961 INFO L93 Difference]: Finished difference Result 6668 states and 9031 transitions. [2022-03-20 07:27:55,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:55,961 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 [2022-03-20 07:27:55,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:55,969 INFO L225 Difference]: With dead ends: 6668 [2022-03-20 07:27:55,969 INFO L226 Difference]: Without dead ends: 6668 [2022-03-20 07:27:55,969 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:55,970 INFO L913 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 [2022-03-20 07:27:55,970 INFO L914 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] [2022-03-20 07:27:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-03-20 07:27:56,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6666. [2022-03-20 07:27:56,027 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) [2022-03-20 07:27:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9030 transitions. [2022-03-20 07:27:56,035 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9030 transitions. Word has length 339 [2022-03-20 07:27:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:56,035 INFO L478 AbstractCegarLoop]: Abstraction has 6666 states and 9030 transitions. [2022-03-20 07:27:56,035 INFO L479 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) [2022-03-20 07:27:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9030 transitions. [2022-03-20 07:27:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-03-20 07:27:56,043 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:56,043 INFO L499 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] [2022-03-20 07:27:56,044 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-20 07:27:56,044 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:56,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:56,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1470237842, now seen corresponding path program 1 times [2022-03-20 07:27:56,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:56,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987312076] [2022-03-20 07:27:56,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:56,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-20 07:27:56,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:56,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987312076] [2022-03-20 07:27:56,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987312076] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:27:56,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169257262] [2022-03-20 07:27:56,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:56,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:27:56,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:27:56,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:27:56,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 07:27:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:56,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 07:27:56,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:27:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-20 07:27:56,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:27:57,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-20 07:27:57,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169257262] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:27:57,020 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:27:57,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 07:27:57,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517986619] [2022-03-20 07:27:57,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:27:57,022 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 07:27:57,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:57,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 07:27:57,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 07:27:57,023 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) [2022-03-20 07:27:57,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:57,573 INFO L93 Difference]: Finished difference Result 8867 states and 11594 transitions. [2022-03-20 07:27:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 07:27:57,574 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 [2022-03-20 07:27:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:57,602 INFO L225 Difference]: With dead ends: 8867 [2022-03-20 07:27:57,602 INFO L226 Difference]: Without dead ends: 8859 [2022-03-20 07:27:57,602 INFO L912 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 [2022-03-20 07:27:57,603 INFO L913 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 [2022-03-20 07:27:57,603 INFO L914 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] [2022-03-20 07:27:57,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8859 states. [2022-03-20 07:27:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8859 to 6678. [2022-03-20 07:27:57,736 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) [2022-03-20 07:27:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 8742 transitions. [2022-03-20 07:27:57,743 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 8742 transitions. Word has length 349 [2022-03-20 07:27:57,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:57,744 INFO L478 AbstractCegarLoop]: Abstraction has 6678 states and 8742 transitions. [2022-03-20 07:27:57,744 INFO L479 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) [2022-03-20 07:27:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 8742 transitions. [2022-03-20 07:27:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-03-20 07:27:57,751 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:57,751 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:27:57,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 07:27:57,984 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-03-20 07:27:57,985 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:57,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:57,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1965032719, now seen corresponding path program 1 times [2022-03-20 07:27:57,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:57,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030999167] [2022-03-20 07:27:57,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:57,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:27:58,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:58,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030999167] [2022-03-20 07:27:58,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030999167] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:27:58,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523177740] [2022-03-20 07:27:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:58,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:27:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:27:58,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:27:58,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 07:27:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:58,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 07:27:58,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:27:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:27:58,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:27:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 07:27:58,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523177740] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:27:58,953 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:27:58,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 07:27:58,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157569848] [2022-03-20 07:27:58,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:27:58,953 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 07:27:58,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:58,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 07:27:58,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 07:27:58,954 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) [2022-03-20 07:27:59,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:59,287 INFO L93 Difference]: Finished difference Result 8281 states and 10773 transitions. [2022-03-20 07:27:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:27:59,288 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 [2022-03-20 07:27:59,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:59,302 INFO L225 Difference]: With dead ends: 8281 [2022-03-20 07:27:59,302 INFO L226 Difference]: Without dead ends: 8264 [2022-03-20 07:27:59,302 INFO L912 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 [2022-03-20 07:27:59,303 INFO L913 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:59,303 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 255 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 07:27:59,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8264 states. [2022-03-20 07:27:59,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8264 to 6643. [2022-03-20 07:27:59,393 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) [2022-03-20 07:27:59,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6643 states to 6643 states and 8612 transitions. [2022-03-20 07:27:59,404 INFO L78 Accepts]: Start accepts. Automaton has 6643 states and 8612 transitions. Word has length 375 [2022-03-20 07:27:59,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:59,404 INFO L478 AbstractCegarLoop]: Abstraction has 6643 states and 8612 transitions. [2022-03-20 07:27:59,404 INFO L479 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) [2022-03-20 07:27:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 6643 states and 8612 transitions. [2022-03-20 07:27:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-03-20 07:27:59,412 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:59,412 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:27:59,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-20 07:27:59,626 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:27:59,629 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:59,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:59,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1214695079, now seen corresponding path program 1 times [2022-03-20 07:27:59,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:59,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444661880] [2022-03-20 07:27:59,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:59,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:59,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-20 07:27:59,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:59,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444661880] [2022-03-20 07:27:59,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444661880] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:27:59,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 07:27:59,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 07:27:59,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90970651] [2022-03-20 07:27:59,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:27:59,719 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 07:27:59,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:27:59,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 07:27:59,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 07:27:59,720 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) [2022-03-20 07:27:59,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:27:59,849 INFO L93 Difference]: Finished difference Result 6257 states and 8078 transitions. [2022-03-20 07:27:59,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 07:27:59,849 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 [2022-03-20 07:27:59,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:27:59,854 INFO L225 Difference]: With dead ends: 6257 [2022-03-20 07:27:59,854 INFO L226 Difference]: Without dead ends: 3467 [2022-03-20 07:27:59,854 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 07:27:59,855 INFO L913 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 07:27:59,855 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 192 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 07:27:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-03-20 07:27:59,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3393. [2022-03-20 07:27:59,882 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) [2022-03-20 07:27:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4450 transitions. [2022-03-20 07:27:59,886 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4450 transitions. Word has length 414 [2022-03-20 07:27:59,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:27:59,886 INFO L478 AbstractCegarLoop]: Abstraction has 3393 states and 4450 transitions. [2022-03-20 07:27:59,886 INFO L479 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) [2022-03-20 07:27:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4450 transitions. [2022-03-20 07:27:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-03-20 07:27:59,891 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:27:59,892 INFO L499 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] [2022-03-20 07:27:59,892 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-20 07:27:59,892 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:27:59,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:27:59,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1738124885, now seen corresponding path program 1 times [2022-03-20 07:27:59,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:27:59,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057353883] [2022-03-20 07:27:59,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:59,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:27:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:59,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:27:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:27:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-03-20 07:27:59,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:27:59,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057353883] [2022-03-20 07:27:59,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057353883] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:27:59,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034008909] [2022-03-20 07:27:59,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:27:59,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:27:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:27:59,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:27:59,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 07:28:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:00,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 07:28:00,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:28:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1017 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-03-20 07:28:00,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 07:28:00,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034008909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 07:28:00,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 07:28:00,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 07:28:00,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948223550] [2022-03-20 07:28:00,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 07:28:00,690 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 07:28:00,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:00,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 07:28:00,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 07:28:00,691 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) [2022-03-20 07:28:00,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:00,728 INFO L93 Difference]: Finished difference Result 3671 states and 4828 transitions. [2022-03-20 07:28:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 07:28:00,728 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 [2022-03-20 07:28:00,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:00,733 INFO L225 Difference]: With dead ends: 3671 [2022-03-20 07:28:00,733 INFO L226 Difference]: Without dead ends: 3671 [2022-03-20 07:28:00,734 INFO L912 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 [2022-03-20 07:28:00,734 INFO L913 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 [2022-03-20 07:28:00,735 INFO L914 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] [2022-03-20 07:28:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2022-03-20 07:28:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3319. [2022-03-20 07:28:00,760 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) [2022-03-20 07:28:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 3319 states and 4358 transitions. [2022-03-20 07:28:00,764 INFO L78 Accepts]: Start accepts. Automaton has 3319 states and 4358 transitions. Word has length 498 [2022-03-20 07:28:00,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:00,764 INFO L478 AbstractCegarLoop]: Abstraction has 3319 states and 4358 transitions. [2022-03-20 07:28:00,765 INFO L479 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) [2022-03-20 07:28:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 4358 transitions. [2022-03-20 07:28:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-03-20 07:28:00,770 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 07:28:00,771 INFO L499 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] [2022-03-20 07:28:00,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-20 07:28:00,989 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:00,989 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 07:28:00,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 07:28:00,990 INFO L85 PathProgramCache]: Analyzing trace with hash -113784954, now seen corresponding path program 1 times [2022-03-20 07:28:00,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 07:28:00,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80793248] [2022-03-20 07:28:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:00,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 07:28:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 07:28:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-03-20 07:28:01,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 07:28:01,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80793248] [2022-03-20 07:28:01,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80793248] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 07:28:01,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555031592] [2022-03-20 07:28:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 07:28:01,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:01,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 07:28:01,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 07:28:01,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 07:28:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 07:28:01,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 07:28:01,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 07:28:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-03-20 07:28:01,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 07:28:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-03-20 07:28:02,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555031592] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 07:28:02,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 07:28:02,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-20 07:28:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647908615] [2022-03-20 07:28:02,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 07:28:02,440 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 07:28:02,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 07:28:02,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 07:28:02,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-20 07:28:02,441 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) [2022-03-20 07:28:02,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 07:28:02,710 INFO L93 Difference]: Finished difference Result 1101 states and 1393 transitions. [2022-03-20 07:28:02,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 07:28:02,710 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 [2022-03-20 07:28:02,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 07:28:02,711 INFO L225 Difference]: With dead ends: 1101 [2022-03-20 07:28:02,711 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 07:28:02,711 INFO L912 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 [2022-03-20 07:28:02,711 INFO L913 BasicCegarLoop]: 155 mSDtfsCounter, 282 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 07:28:02,712 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 182 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 07:28:02,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 07:28:02,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 07:28:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-20 07:28:02,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 07:28:02,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 610 [2022-03-20 07:28:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 07:28:02,712 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 07:28:02,713 INFO L479 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) [2022-03-20 07:28:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 07:28:02,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 07:28:02,715 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 07:28:02,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-20 07:28:02,923 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 07:28:02,926 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 07:28:02,927 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 07:28:02,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 07:28:02 BasicIcfg [2022-03-20 07:28:02,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 07:28:02,929 INFO L158 Benchmark]: Toolchain (without parser) took 15486.52ms. Allocated memory was 196.1MB in the beginning and 488.6MB in the end (delta: 292.6MB). Free memory was 174.0MB in the beginning and 365.6MB in the end (delta: -191.6MB). Peak memory consumption was 100.3MB. Max. memory is 8.0GB. [2022-03-20 07:28:02,929 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 07:28:02,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.18ms. Allocated memory is still 196.1MB. Free memory was 173.8MB in the beginning and 169.6MB in the end (delta: 4.2MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-03-20 07:28:02,929 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 196.1MB. Free memory was 169.6MB in the beginning and 167.1MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 07:28:02,929 INFO L158 Benchmark]: RCFGBuilder took 506.75ms. Allocated memory is still 196.1MB. Free memory was 167.1MB in the beginning and 141.6MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-20 07:28:02,929 INFO L158 Benchmark]: IcfgTransformer took 41.87ms. Allocated memory is still 196.1MB. Free memory was 141.6MB in the beginning and 138.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 07:28:02,929 INFO L158 Benchmark]: TraceAbstraction took 14655.39ms. Allocated memory was 196.1MB in the beginning and 488.6MB in the end (delta: 292.6MB). Free memory was 138.2MB in the beginning and 365.6MB in the end (delta: -227.5MB). Peak memory consumption was 66.2MB. Max. memory is 8.0GB. [2022-03-20 07:28:02,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 249.18ms. Allocated memory is still 196.1MB. Free memory was 173.8MB in the beginning and 169.6MB in the end (delta: 4.2MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 196.1MB. Free memory was 169.6MB in the beginning and 167.1MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 506.75ms. Allocated memory is still 196.1MB. Free memory was 167.1MB in the beginning and 141.6MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 41.87ms. Allocated memory is still 196.1MB. Free memory was 141.6MB in the beginning and 138.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14655.39ms. Allocated memory was 196.1MB in the beginning and 488.6MB in the end (delta: 292.6MB). Free memory was 138.2MB in the beginning and 365.6MB in the end (delta: -227.5MB). Peak memory consumption was 66.2MB. 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: 14.6s, OverallIterations: 33, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13200 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13200 mSDsluCounter, 6235 SdHoareTripleChecker+Invalid, 4.7s 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.6s 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! [2022-03-20 07:28:02,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...