/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-34549b5 [2022-04-06 08:36:17,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 08:36:17,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 08:36:17,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 08:36:17,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 08:36:17,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 08:36:17,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 08:36:17,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 08:36:17,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 08:36:17,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 08:36:17,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 08:36:17,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 08:36:17,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 08:36:17,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 08:36:17,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 08:36:17,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 08:36:17,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 08:36:17,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 08:36:17,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 08:36:17,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 08:36:17,974 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 08:36:17,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 08:36:17,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 08:36:17,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 08:36:17,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 08:36:17,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 08:36:17,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 08:36:17,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 08:36:17,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 08:36:17,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-06 08:36:17,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 08:36:17,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 08:36:17,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 08:36:17,995 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-06 08:36:17,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 08:36:17,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 08:36:17,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 08:36:17,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 08:36:17,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 08:36:17,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 08:36:17,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 08:36:17,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:36:17,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 08:36:17,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 08:36:17,997 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 08:36:17,997 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 08:36:18,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 08:36:18,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 08:36:18,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 08:36:18,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 08:36:18,209 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 08:36:18,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-04-06 08:36:18,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f32fcc8/af04e903e4234856b22e8591cf4d3750/FLAG221e4a3bd [2022-04-06 08:36:18,604 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 08:36:18,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-04-06 08:36:18,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f32fcc8/af04e903e4234856b22e8591cf4d3750/FLAG221e4a3bd [2022-04-06 08:36:19,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f32fcc8/af04e903e4234856b22e8591cf4d3750 [2022-04-06 08:36:19,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 08:36:19,034 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 08:36:19,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 08:36:19,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 08:36:19,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 08:36:19,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3021e5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19, skipping insertion in model container [2022-04-06 08:36:19,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 08:36:19,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 08:36:19,209 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] [2022-04-06 08:36:19,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:36:19,218 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 08:36:19,296 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] [2022-04-06 08:36:19,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 08:36:19,315 INFO L208 MainTranslator]: Completed translation [2022-04-06 08:36:19,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19 WrapperNode [2022-04-06 08:36:19,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 08:36:19,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 08:36:19,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 08:36:19,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 08:36:19,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 08:36:19,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 08:36:19,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 08:36:19,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 08:36:19,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 08:36:19,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:36:19,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-06 08:36:19,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-06 08:36:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 08:36:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 08:36:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 08:36:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-06 08:36:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 08:36:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 08:36:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 08:36:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 08:36:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 08:36:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 08:36:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-06 08:36:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 08:36:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 08:36:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 08:36:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 08:36:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 08:36:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 08:36:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 08:36:19,500 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 08:36:19,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 08:36:19,581 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 08:36:19,816 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-06 08:36:19,816 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-06 08:36:19,818 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 08:36:19,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 08:36:19,828 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 08:36:19,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:36:19 BoogieIcfgContainer [2022-04-06 08:36:19,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 08:36:19,831 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 08:36:19,831 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 08:36:19,831 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 08:36:19,833 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:36:19" (1/1) ... [2022-04-06 08:36:19,835 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-06 08:36:19,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:36:19 BasicIcfg [2022-04-06 08:36:19,856 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 08:36:19,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 08:36:19,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 08:36:19,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 08:36:19,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:36:19" (1/4) ... [2022-04-06 08:36:19,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1330dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:36:19, skipping insertion in model container [2022-04-06 08:36:19,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:36:19" (2/4) ... [2022-04-06 08:36:19,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1330dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:36:19, skipping insertion in model container [2022-04-06 08:36:19,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:36:19" (3/4) ... [2022-04-06 08:36:19,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1330dbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:36:19, skipping insertion in model container [2022-04-06 08:36:19,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 08:36:19" (4/4) ... [2022-04-06 08:36:19,862 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.cJordan [2022-04-06 08:36:19,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-06 08:36:19,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 08:36:19,891 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 08:36:19,895 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 [2022-04-06 08:36:19,895 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 08:36:19,905 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) [2022-04-06 08:36:19,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-06 08:36:19,917 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:19,917 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:36:19,917 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:19,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1711602328, now seen corresponding path program 1 times [2022-04-06 08:36:19,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:19,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345027750] [2022-04-06 08:36:19,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:19,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:20,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:20,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:36:20,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:20,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345027750] [2022-04-06 08:36:20,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345027750] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:20,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:20,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:20,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797017162] [2022-04-06 08:36:20,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:20,166 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:20,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:20,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:20,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:20,193 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) [2022-04-06 08:36:20,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:20,579 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2022-04-06 08:36:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:20,582 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 [2022-04-06 08:36:20,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:20,590 INFO L225 Difference]: With dead ends: 166 [2022-04-06 08:36:20,591 INFO L226 Difference]: Without dead ends: 143 [2022-04-06 08:36:20,592 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 [2022-04-06 08:36:20,596 INFO L913 BasicCegarLoop]: 148 mSDtfsCounter, 684 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 08:36:20,597 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] [2022-04-06 08:36:20,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-04-06 08:36:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2022-04-06 08:36:20,627 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) [2022-04-06 08:36:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 213 transitions. [2022-04-06 08:36:20,629 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 213 transitions. Word has length 30 [2022-04-06 08:36:20,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:20,630 INFO L478 AbstractCegarLoop]: Abstraction has 138 states and 213 transitions. [2022-04-06 08:36:20,630 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) [2022-04-06 08:36:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2022-04-06 08:36:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-06 08:36:20,631 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:20,631 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] [2022-04-06 08:36:20,631 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 08:36:20,631 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:20,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1521013668, now seen corresponding path program 1 times [2022-04-06 08:36:20,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:20,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126905193] [2022-04-06 08:36:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:36:20,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:20,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126905193] [2022-04-06 08:36:20,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126905193] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:20,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:20,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:20,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248319909] [2022-04-06 08:36:20,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:20,702 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:20,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:20,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:20,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:20,703 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) [2022-04-06 08:36:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:20,938 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2022-04-06 08:36:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:20,938 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 [2022-04-06 08:36:20,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:20,939 INFO L225 Difference]: With dead ends: 167 [2022-04-06 08:36:20,940 INFO L226 Difference]: Without dead ends: 167 [2022-04-06 08:36:20,940 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 [2022-04-06 08:36:20,941 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 [2022-04-06 08:36:20,941 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] [2022-04-06 08:36:20,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-04-06 08:36:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2022-04-06 08:36:20,959 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) [2022-04-06 08:36:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 256 transitions. [2022-04-06 08:36:20,960 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 256 transitions. Word has length 31 [2022-04-06 08:36:20,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:20,961 INFO L478 AbstractCegarLoop]: Abstraction has 162 states and 256 transitions. [2022-04-06 08:36:20,961 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) [2022-04-06 08:36:20,961 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2022-04-06 08:36:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-06 08:36:20,962 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:20,962 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] [2022-04-06 08:36:20,962 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 08:36:20,962 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:20,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1810389985, now seen corresponding path program 1 times [2022-04-06 08:36:20,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:20,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223515092] [2022-04-06 08:36:20,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:36:21,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:21,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223515092] [2022-04-06 08:36:21,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223515092] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:21,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:21,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:21,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407113211] [2022-04-06 08:36:21,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:21,054 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:21,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:21,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:21,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:21,055 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) [2022-04-06 08:36:21,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:21,264 INFO L93 Difference]: Finished difference Result 186 states and 296 transitions. [2022-04-06 08:36:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:21,264 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 [2022-04-06 08:36:21,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:21,266 INFO L225 Difference]: With dead ends: 186 [2022-04-06 08:36:21,266 INFO L226 Difference]: Without dead ends: 186 [2022-04-06 08:36:21,266 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 [2022-04-06 08:36:21,267 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 [2022-04-06 08:36:21,267 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] [2022-04-06 08:36:21,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-04-06 08:36:21,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-04-06 08:36:21,274 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) [2022-04-06 08:36:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 292 transitions. [2022-04-06 08:36:21,276 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 292 transitions. Word has length 50 [2022-04-06 08:36:21,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:21,276 INFO L478 AbstractCegarLoop]: Abstraction has 183 states and 292 transitions. [2022-04-06 08:36:21,276 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) [2022-04-06 08:36:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 292 transitions. [2022-04-06 08:36:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-06 08:36:21,277 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:21,278 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] [2022-04-06 08:36:21,278 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 08:36:21,278 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:21,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash 465010892, now seen corresponding path program 1 times [2022-04-06 08:36:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:21,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354209200] [2022-04-06 08:36:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:36:21,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:21,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354209200] [2022-04-06 08:36:21,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354209200] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:21,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:21,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:21,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440892411] [2022-04-06 08:36:21,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:21,357 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:21,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:21,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:21,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:21,358 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) [2022-04-06 08:36:21,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:21,614 INFO L93 Difference]: Finished difference Result 186 states and 294 transitions. [2022-04-06 08:36:21,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:21,615 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 [2022-04-06 08:36:21,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:21,616 INFO L225 Difference]: With dead ends: 186 [2022-04-06 08:36:21,616 INFO L226 Difference]: Without dead ends: 186 [2022-04-06 08:36:21,616 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 [2022-04-06 08:36:21,617 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 540 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:36:21,618 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] [2022-04-06 08:36:21,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-04-06 08:36:21,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-04-06 08:36:21,627 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) [2022-04-06 08:36:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 290 transitions. [2022-04-06 08:36:21,628 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 290 transitions. Word has length 51 [2022-04-06 08:36:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:21,628 INFO L478 AbstractCegarLoop]: Abstraction has 183 states and 290 transitions. [2022-04-06 08:36:21,628 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) [2022-04-06 08:36:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 290 transitions. [2022-04-06 08:36:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-06 08:36:21,630 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:21,630 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] [2022-04-06 08:36:21,630 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 08:36:21,631 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash -409944273, now seen corresponding path program 1 times [2022-04-06 08:36:21,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:21,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298664452] [2022-04-06 08:36:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-06 08:36:21,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:21,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298664452] [2022-04-06 08:36:21,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298664452] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:21,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:21,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:21,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289284230] [2022-04-06 08:36:21,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:21,694 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:21,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:21,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:21,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:21,695 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) [2022-04-06 08:36:21,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:21,902 INFO L93 Difference]: Finished difference Result 207 states and 328 transitions. [2022-04-06 08:36:21,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:21,903 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 [2022-04-06 08:36:21,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:21,904 INFO L225 Difference]: With dead ends: 207 [2022-04-06 08:36:21,904 INFO L226 Difference]: Without dead ends: 207 [2022-04-06 08:36:21,904 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 [2022-04-06 08:36:21,905 INFO L913 BasicCegarLoop]: 107 mSDtfsCounter, 535 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-04-06 08:36:21,905 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] [2022-04-06 08:36:21,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-04-06 08:36:21,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-04-06 08:36:21,909 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) [2022-04-06 08:36:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 322 transitions. [2022-04-06 08:36:21,910 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 322 transitions. Word has length 66 [2022-04-06 08:36:21,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:21,910 INFO L478 AbstractCegarLoop]: Abstraction has 203 states and 322 transitions. [2022-04-06 08:36:21,911 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) [2022-04-06 08:36:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 322 transitions. [2022-04-06 08:36:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-06 08:36:21,912 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:21,912 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] [2022-04-06 08:36:21,912 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 08:36:21,913 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:21,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1177930087, now seen corresponding path program 1 times [2022-04-06 08:36:21,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:21,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683154641] [2022-04-06 08:36:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:21,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-06 08:36:21,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:21,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683154641] [2022-04-06 08:36:21,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683154641] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:21,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:21,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:21,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83644737] [2022-04-06 08:36:21,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:21,958 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:21,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:21,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:21,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:21,958 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) [2022-04-06 08:36:22,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:22,156 INFO L93 Difference]: Finished difference Result 207 states and 325 transitions. [2022-04-06 08:36:22,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:22,157 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 [2022-04-06 08:36:22,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:22,158 INFO L225 Difference]: With dead ends: 207 [2022-04-06 08:36:22,158 INFO L226 Difference]: Without dead ends: 207 [2022-04-06 08:36:22,158 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 [2022-04-06 08:36:22,159 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 538 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:36:22,159 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] [2022-04-06 08:36:22,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-04-06 08:36:22,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-04-06 08:36:22,163 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) [2022-04-06 08:36:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 319 transitions. [2022-04-06 08:36:22,164 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 319 transitions. Word has length 67 [2022-04-06 08:36:22,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:22,164 INFO L478 AbstractCegarLoop]: Abstraction has 203 states and 319 transitions. [2022-04-06 08:36:22,164 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) [2022-04-06 08:36:22,164 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 319 transitions. [2022-04-06 08:36:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-06 08:36:22,166 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:22,166 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] [2022-04-06 08:36:22,166 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 08:36:22,166 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2089443154, now seen corresponding path program 1 times [2022-04-06 08:36:22,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:22,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572726624] [2022-04-06 08:36:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 08:36:22,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:22,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572726624] [2022-04-06 08:36:22,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572726624] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:22,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:22,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:22,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791642404] [2022-04-06 08:36:22,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:22,222 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:22,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:22,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:22,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:22,223 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) [2022-04-06 08:36:22,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:22,452 INFO L93 Difference]: Finished difference Result 245 states and 390 transitions. [2022-04-06 08:36:22,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:22,452 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 [2022-04-06 08:36:22,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:22,454 INFO L225 Difference]: With dead ends: 245 [2022-04-06 08:36:22,454 INFO L226 Difference]: Without dead ends: 244 [2022-04-06 08:36:22,454 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 [2022-04-06 08:36:22,454 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 [2022-04-06 08:36:22,455 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] [2022-04-06 08:36:22,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-04-06 08:36:22,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-04-06 08:36:22,459 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) [2022-04-06 08:36:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 389 transitions. [2022-04-06 08:36:22,459 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 389 transitions. Word has length 68 [2022-04-06 08:36:22,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:22,460 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 389 transitions. [2022-04-06 08:36:22,460 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) [2022-04-06 08:36:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 389 transitions. [2022-04-06 08:36:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-04-06 08:36:22,461 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:22,461 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] [2022-04-06 08:36:22,461 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 08:36:22,462 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:22,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:22,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1036864402, now seen corresponding path program 1 times [2022-04-06 08:36:22,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:22,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755490252] [2022-04-06 08:36:22,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:22,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-06 08:36:22,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:22,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755490252] [2022-04-06 08:36:22,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755490252] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:22,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:22,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:22,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557502437] [2022-04-06 08:36:22,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:22,522 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:22,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:22,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:22,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:22,528 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) [2022-04-06 08:36:22,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:22,721 INFO L93 Difference]: Finished difference Result 266 states and 422 transitions. [2022-04-06 08:36:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:22,721 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 [2022-04-06 08:36:22,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:22,722 INFO L225 Difference]: With dead ends: 266 [2022-04-06 08:36:22,722 INFO L226 Difference]: Without dead ends: 266 [2022-04-06 08:36:22,723 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 [2022-04-06 08:36:22,723 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 [2022-04-06 08:36:22,724 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] [2022-04-06 08:36:22,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-06 08:36:22,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-04-06 08:36:22,727 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) [2022-04-06 08:36:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 414 transitions. [2022-04-06 08:36:22,728 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 414 transitions. Word has length 83 [2022-04-06 08:36:22,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:22,728 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 414 transitions. [2022-04-06 08:36:22,729 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) [2022-04-06 08:36:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 414 transitions. [2022-04-06 08:36:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-06 08:36:22,729 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:22,729 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] [2022-04-06 08:36:22,730 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 08:36:22,730 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:22,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:22,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1054051491, now seen corresponding path program 1 times [2022-04-06 08:36:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:22,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705943040] [2022-04-06 08:36:22,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-06 08:36:22,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:22,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705943040] [2022-04-06 08:36:22,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705943040] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:22,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:22,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:22,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666912394] [2022-04-06 08:36:22,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:22,813 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:22,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:22,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:22,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:22,814 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) [2022-04-06 08:36:23,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:23,009 INFO L93 Difference]: Finished difference Result 266 states and 417 transitions. [2022-04-06 08:36:23,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:23,009 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 [2022-04-06 08:36:23,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:23,010 INFO L225 Difference]: With dead ends: 266 [2022-04-06 08:36:23,010 INFO L226 Difference]: Without dead ends: 266 [2022-04-06 08:36:23,011 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 [2022-04-06 08:36:23,011 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 536 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:36:23,011 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] [2022-04-06 08:36:23,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-06 08:36:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-04-06 08:36:23,015 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) [2022-04-06 08:36:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 409 transitions. [2022-04-06 08:36:23,016 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 409 transitions. Word has length 84 [2022-04-06 08:36:23,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:23,016 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 409 transitions. [2022-04-06 08:36:23,016 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) [2022-04-06 08:36:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 409 transitions. [2022-04-06 08:36:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-04-06 08:36:23,017 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:23,017 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 08:36:23,017 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 08:36:23,017 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:23,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:23,017 INFO L85 PathProgramCache]: Analyzing trace with hash -61911791, now seen corresponding path program 1 times [2022-04-06 08:36:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:23,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335341084] [2022-04-06 08:36:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:23,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-04-06 08:36:23,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:23,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335341084] [2022-04-06 08:36:23,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335341084] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:23,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:23,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:23,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305362080] [2022-04-06 08:36:23,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:23,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:23,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:23,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:23,094 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) [2022-04-06 08:36:23,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:23,274 INFO L93 Difference]: Finished difference Result 279 states and 433 transitions. [2022-04-06 08:36:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:23,274 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 [2022-04-06 08:36:23,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:23,275 INFO L225 Difference]: With dead ends: 279 [2022-04-06 08:36:23,275 INFO L226 Difference]: Without dead ends: 279 [2022-04-06 08:36:23,276 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 [2022-04-06 08:36:23,276 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 [2022-04-06 08:36:23,276 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] [2022-04-06 08:36:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-06 08:36:23,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-04-06 08:36:23,280 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) [2022-04-06 08:36:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 429 transitions. [2022-04-06 08:36:23,281 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 429 transitions. Word has length 97 [2022-04-06 08:36:23,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:23,281 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 429 transitions. [2022-04-06 08:36:23,281 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) [2022-04-06 08:36:23,281 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 429 transitions. [2022-04-06 08:36:23,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-06 08:36:23,282 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:23,282 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] [2022-04-06 08:36:23,282 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 08:36:23,282 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:23,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash -816635385, now seen corresponding path program 1 times [2022-04-06 08:36:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:23,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039840242] [2022-04-06 08:36:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:23,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-04-06 08:36:23,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:23,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039840242] [2022-04-06 08:36:23,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039840242] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:23,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:23,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:23,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742645640] [2022-04-06 08:36:23,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:23,328 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:23,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:23,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:23,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:23,329 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) [2022-04-06 08:36:23,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:23,508 INFO L93 Difference]: Finished difference Result 279 states and 427 transitions. [2022-04-06 08:36:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:23,508 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 [2022-04-06 08:36:23,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:23,510 INFO L225 Difference]: With dead ends: 279 [2022-04-06 08:36:23,510 INFO L226 Difference]: Without dead ends: 279 [2022-04-06 08:36:23,510 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 [2022-04-06 08:36:23,510 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 [2022-04-06 08:36:23,511 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] [2022-04-06 08:36:23,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-06 08:36:23,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-04-06 08:36:23,514 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) [2022-04-06 08:36:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 423 transitions. [2022-04-06 08:36:23,517 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 423 transitions. Word has length 98 [2022-04-06 08:36:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:23,517 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 423 transitions. [2022-04-06 08:36:23,517 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) [2022-04-06 08:36:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 423 transitions. [2022-04-06 08:36:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-04-06 08:36:23,518 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:23,518 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] [2022-04-06 08:36:23,519 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 08:36:23,519 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:23,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:23,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1044267923, now seen corresponding path program 1 times [2022-04-06 08:36:23,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:23,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093027246] [2022-04-06 08:36:23,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:23,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-04-06 08:36:23,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:23,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093027246] [2022-04-06 08:36:23,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093027246] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:23,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:23,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:23,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219665650] [2022-04-06 08:36:23,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:23,578 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:23,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:23,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:23,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:23,579 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) [2022-04-06 08:36:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:23,807 INFO L93 Difference]: Finished difference Result 328 states and 509 transitions. [2022-04-06 08:36:23,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:23,808 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 [2022-04-06 08:36:23,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:23,809 INFO L225 Difference]: With dead ends: 328 [2022-04-06 08:36:23,809 INFO L226 Difference]: Without dead ends: 328 [2022-04-06 08:36:23,809 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 [2022-04-06 08:36:23,810 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 [2022-04-06 08:36:23,810 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] [2022-04-06 08:36:23,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-04-06 08:36:23,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2022-04-06 08:36:23,813 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) [2022-04-06 08:36:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 507 transitions. [2022-04-06 08:36:23,814 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 507 transitions. Word has length 104 [2022-04-06 08:36:23,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:23,815 INFO L478 AbstractCegarLoop]: Abstraction has 326 states and 507 transitions. [2022-04-06 08:36:23,815 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) [2022-04-06 08:36:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 507 transitions. [2022-04-06 08:36:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-04-06 08:36:23,816 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:23,816 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] [2022-04-06 08:36:23,816 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 08:36:23,816 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:23,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash 73282143, now seen corresponding path program 1 times [2022-04-06 08:36:23,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:23,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962687233] [2022-04-06 08:36:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:23,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-04-06 08:36:23,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:23,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962687233] [2022-04-06 08:36:23,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962687233] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:23,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:23,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-06 08:36:23,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500006294] [2022-04-06 08:36:23,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:23,855 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-06 08:36:23,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:23,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-06 08:36:23,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:23,856 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) [2022-04-06 08:36:24,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:24,093 INFO L93 Difference]: Finished difference Result 329 states and 509 transitions. [2022-04-06 08:36:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:24,093 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 [2022-04-06 08:36:24,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:24,095 INFO L225 Difference]: With dead ends: 329 [2022-04-06 08:36:24,095 INFO L226 Difference]: Without dead ends: 329 [2022-04-06 08:36:24,095 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 [2022-04-06 08:36:24,096 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 [2022-04-06 08:36:24,096 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] [2022-04-06 08:36:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-04-06 08:36:24,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2022-04-06 08:36:24,101 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) [2022-04-06 08:36:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 507 transitions. [2022-04-06 08:36:24,102 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 507 transitions. Word has length 105 [2022-04-06 08:36:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:24,103 INFO L478 AbstractCegarLoop]: Abstraction has 327 states and 507 transitions. [2022-04-06 08:36:24,103 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) [2022-04-06 08:36:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 507 transitions. [2022-04-06 08:36:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-04-06 08:36:24,104 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:24,104 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] [2022-04-06 08:36:24,104 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 08:36:24,104 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:24,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1546418708, now seen corresponding path program 1 times [2022-04-06 08:36:24,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:24,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208695113] [2022-04-06 08:36:24,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:24,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-04-06 08:36:24,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:24,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208695113] [2022-04-06 08:36:24,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208695113] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:24,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:24,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926540902] [2022-04-06 08:36:24,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:24,149 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:24,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:24,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:24,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:24,150 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) [2022-04-06 08:36:24,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:24,287 INFO L93 Difference]: Finished difference Result 638 states and 989 transitions. [2022-04-06 08:36:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:24,287 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 [2022-04-06 08:36:24,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:24,289 INFO L225 Difference]: With dead ends: 638 [2022-04-06 08:36:24,289 INFO L226 Difference]: Without dead ends: 638 [2022-04-06 08:36:24,290 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:24,290 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 [2022-04-06 08:36:24,290 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] [2022-04-06 08:36:24,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2022-04-06 08:36:24,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2022-04-06 08:36:24,297 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) [2022-04-06 08:36:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 989 transitions. [2022-04-06 08:36:24,299 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 989 transitions. Word has length 109 [2022-04-06 08:36:24,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:24,299 INFO L478 AbstractCegarLoop]: Abstraction has 638 states and 989 transitions. [2022-04-06 08:36:24,299 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) [2022-04-06 08:36:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 989 transitions. [2022-04-06 08:36:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-04-06 08:36:24,300 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:24,301 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] [2022-04-06 08:36:24,301 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 08:36:24,301 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:24,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:24,301 INFO L85 PathProgramCache]: Analyzing trace with hash 691753828, now seen corresponding path program 1 times [2022-04-06 08:36:24,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:24,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710983814] [2022-04-06 08:36:24,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:24,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-04-06 08:36:24,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:24,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710983814] [2022-04-06 08:36:24,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710983814] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:24,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:24,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:24,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042544876] [2022-04-06 08:36:24,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:24,339 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:24,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:24,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:24,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:24,339 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) [2022-04-06 08:36:24,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:24,489 INFO L93 Difference]: Finished difference Result 926 states and 1436 transitions. [2022-04-06 08:36:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:24,490 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 [2022-04-06 08:36:24,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:24,493 INFO L225 Difference]: With dead ends: 926 [2022-04-06 08:36:24,493 INFO L226 Difference]: Without dead ends: 926 [2022-04-06 08:36:24,493 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:24,493 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 [2022-04-06 08:36:24,493 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] [2022-04-06 08:36:24,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-04-06 08:36:24,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2022-04-06 08:36:24,504 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) [2022-04-06 08:36:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1436 transitions. [2022-04-06 08:36:24,506 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1436 transitions. Word has length 110 [2022-04-06 08:36:24,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:24,507 INFO L478 AbstractCegarLoop]: Abstraction has 926 states and 1436 transitions. [2022-04-06 08:36:24,507 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) [2022-04-06 08:36:24,507 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1436 transitions. [2022-04-06 08:36:24,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-04-06 08:36:24,508 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:24,508 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] [2022-04-06 08:36:24,508 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 08:36:24,509 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:24,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:24,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1111270659, now seen corresponding path program 1 times [2022-04-06 08:36:24,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:24,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022389205] [2022-04-06 08:36:24,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:24,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-04-06 08:36:24,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:24,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022389205] [2022-04-06 08:36:24,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022389205] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:24,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:24,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:24,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698234495] [2022-04-06 08:36:24,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:24,539 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:24,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:24,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:24,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:24,539 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) [2022-04-06 08:36:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:24,689 INFO L93 Difference]: Finished difference Result 1219 states and 1888 transitions. [2022-04-06 08:36:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:24,689 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 [2022-04-06 08:36:24,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:24,693 INFO L225 Difference]: With dead ends: 1219 [2022-04-06 08:36:24,693 INFO L226 Difference]: Without dead ends: 1219 [2022-04-06 08:36:24,693 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:24,694 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 [2022-04-06 08:36:24,694 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] [2022-04-06 08:36:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-04-06 08:36:24,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2022-04-06 08:36:24,710 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) [2022-04-06 08:36:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1888 transitions. [2022-04-06 08:36:24,713 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1888 transitions. Word has length 110 [2022-04-06 08:36:24,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:24,713 INFO L478 AbstractCegarLoop]: Abstraction has 1219 states and 1888 transitions. [2022-04-06 08:36:24,713 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) [2022-04-06 08:36:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1888 transitions. [2022-04-06 08:36:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-04-06 08:36:24,715 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:24,715 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] [2022-04-06 08:36:24,715 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 08:36:24,715 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:24,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:24,716 INFO L85 PathProgramCache]: Analyzing trace with hash -723676683, now seen corresponding path program 1 times [2022-04-06 08:36:24,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:24,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424554580] [2022-04-06 08:36:24,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:24,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-04-06 08:36:24,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:24,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424554580] [2022-04-06 08:36:24,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424554580] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:24,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:24,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:24,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064498616] [2022-04-06 08:36:24,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:24,752 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:24,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:24,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:24,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:24,752 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) [2022-04-06 08:36:24,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:24,889 INFO L93 Difference]: Finished difference Result 1531 states and 2376 transitions. [2022-04-06 08:36:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:24,890 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 [2022-04-06 08:36:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:24,894 INFO L225 Difference]: With dead ends: 1531 [2022-04-06 08:36:24,894 INFO L226 Difference]: Without dead ends: 1531 [2022-04-06 08:36:24,895 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:24,895 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 [2022-04-06 08:36:24,895 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] [2022-04-06 08:36:24,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2022-04-06 08:36:24,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2022-04-06 08:36:24,912 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) [2022-04-06 08:36:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2376 transitions. [2022-04-06 08:36:24,917 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2376 transitions. Word has length 111 [2022-04-06 08:36:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:24,917 INFO L478 AbstractCegarLoop]: Abstraction has 1531 states and 2376 transitions. [2022-04-06 08:36:24,917 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) [2022-04-06 08:36:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2376 transitions. [2022-04-06 08:36:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-04-06 08:36:24,921 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:24,921 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] [2022-04-06 08:36:24,921 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 08:36:24,922 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:24,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:24,922 INFO L85 PathProgramCache]: Analyzing trace with hash -982594376, now seen corresponding path program 1 times [2022-04-06 08:36:24,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:24,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564366761] [2022-04-06 08:36:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:24,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-04-06 08:36:24,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:24,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564366761] [2022-04-06 08:36:24,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564366761] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:24,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:24,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:24,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200230303] [2022-04-06 08:36:24,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:24,968 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:24,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:24,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:24,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:24,968 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) [2022-04-06 08:36:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:25,142 INFO L93 Difference]: Finished difference Result 1534 states and 2167 transitions. [2022-04-06 08:36:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:25,143 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 [2022-04-06 08:36:25,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:25,147 INFO L225 Difference]: With dead ends: 1534 [2022-04-06 08:36:25,148 INFO L226 Difference]: Without dead ends: 1405 [2022-04-06 08:36:25,148 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:25,149 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 [2022-04-06 08:36:25,149 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] [2022-04-06 08:36:25,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-04-06 08:36:25,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1357. [2022-04-06 08:36:25,170 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) [2022-04-06 08:36:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1964 transitions. [2022-04-06 08:36:25,175 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1964 transitions. Word has length 171 [2022-04-06 08:36:25,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:25,176 INFO L478 AbstractCegarLoop]: Abstraction has 1357 states and 1964 transitions. [2022-04-06 08:36:25,176 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) [2022-04-06 08:36:25,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1964 transitions. [2022-04-06 08:36:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-04-06 08:36:25,179 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:25,179 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] [2022-04-06 08:36:25,179 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 08:36:25,180 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:25,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:25,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1551429465, now seen corresponding path program 1 times [2022-04-06 08:36:25,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:25,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111053730] [2022-04-06 08:36:25,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:25,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-04-06 08:36:25,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:25,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111053730] [2022-04-06 08:36:25,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111053730] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:25,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:25,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:25,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324616084] [2022-04-06 08:36:25,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:25,233 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:25,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:25,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:25,233 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) [2022-04-06 08:36:25,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:25,404 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2022-04-06 08:36:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:25,404 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 [2022-04-06 08:36:25,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:25,407 INFO L225 Difference]: With dead ends: 1422 [2022-04-06 08:36:25,407 INFO L226 Difference]: Without dead ends: 1422 [2022-04-06 08:36:25,408 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:25,409 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, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 08:36:25,409 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 198 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 08:36:25,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2022-04-06 08:36:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1364. [2022-04-06 08:36:25,423 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) [2022-04-06 08:36:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1944 transitions. [2022-04-06 08:36:25,426 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1944 transitions. Word has length 172 [2022-04-06 08:36:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:25,427 INFO L478 AbstractCegarLoop]: Abstraction has 1364 states and 1944 transitions. [2022-04-06 08:36:25,427 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) [2022-04-06 08:36:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1944 transitions. [2022-04-06 08:36:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-04-06 08:36:25,429 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:25,429 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] [2022-04-06 08:36:25,429 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 08:36:25,429 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1524959551, now seen corresponding path program 1 times [2022-04-06 08:36:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:25,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657902819] [2022-04-06 08:36:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:25,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-04-06 08:36:25,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:25,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657902819] [2022-04-06 08:36:25,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657902819] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:25,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:25,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:25,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628550183] [2022-04-06 08:36:25,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:25,484 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:25,485 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) [2022-04-06 08:36:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:25,639 INFO L93 Difference]: Finished difference Result 1482 states and 2054 transitions. [2022-04-06 08:36:25,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:25,640 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 [2022-04-06 08:36:25,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:25,643 INFO L225 Difference]: With dead ends: 1482 [2022-04-06 08:36:25,644 INFO L226 Difference]: Without dead ends: 1414 [2022-04-06 08:36:25,644 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:25,645 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 [2022-04-06 08:36:25,645 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] [2022-04-06 08:36:25,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-04-06 08:36:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1364. [2022-04-06 08:36:25,661 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) [2022-04-06 08:36:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1928 transitions. [2022-04-06 08:36:25,664 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1928 transitions. Word has length 191 [2022-04-06 08:36:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:25,665 INFO L478 AbstractCegarLoop]: Abstraction has 1364 states and 1928 transitions. [2022-04-06 08:36:25,665 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) [2022-04-06 08:36:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1928 transitions. [2022-04-06 08:36:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-04-06 08:36:25,667 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:25,667 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] [2022-04-06 08:36:25,667 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 08:36:25,667 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:25,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:25,668 INFO L85 PathProgramCache]: Analyzing trace with hash -137545226, now seen corresponding path program 1 times [2022-04-06 08:36:25,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:25,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031103255] [2022-04-06 08:36:25,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-04-06 08:36:25,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:25,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031103255] [2022-04-06 08:36:25,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031103255] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:25,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:25,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:25,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197236743] [2022-04-06 08:36:25,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:25,712 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:25,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:25,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:25,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:25,713 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) [2022-04-06 08:36:25,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:25,866 INFO L93 Difference]: Finished difference Result 1572 states and 2168 transitions. [2022-04-06 08:36:25,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:25,866 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 [2022-04-06 08:36:25,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:25,870 INFO L225 Difference]: With dead ends: 1572 [2022-04-06 08:36:25,870 INFO L226 Difference]: Without dead ends: 1512 [2022-04-06 08:36:25,870 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:25,870 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 [2022-04-06 08:36:25,871 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] [2022-04-06 08:36:25,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-04-06 08:36:25,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1464. [2022-04-06 08:36:25,884 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) [2022-04-06 08:36:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2048 transitions. [2022-04-06 08:36:25,888 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2048 transitions. Word has length 212 [2022-04-06 08:36:25,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:25,888 INFO L478 AbstractCegarLoop]: Abstraction has 1464 states and 2048 transitions. [2022-04-06 08:36:25,888 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) [2022-04-06 08:36:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2048 transitions. [2022-04-06 08:36:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-04-06 08:36:25,891 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:25,891 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] [2022-04-06 08:36:25,891 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 08:36:25,891 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:25,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:25,891 INFO L85 PathProgramCache]: Analyzing trace with hash -2009924782, now seen corresponding path program 1 times [2022-04-06 08:36:25,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:25,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090663429] [2022-04-06 08:36:25,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:25,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-04-06 08:36:25,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:25,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090663429] [2022-04-06 08:36:25,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090663429] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:25,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:25,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:25,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555399601] [2022-04-06 08:36:25,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:25,931 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:25,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:25,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:25,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:25,932 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) [2022-04-06 08:36:26,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:26,072 INFO L93 Difference]: Finished difference Result 1672 states and 2292 transitions. [2022-04-06 08:36:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:26,072 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 [2022-04-06 08:36:26,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:26,076 INFO L225 Difference]: With dead ends: 1672 [2022-04-06 08:36:26,076 INFO L226 Difference]: Without dead ends: 1620 [2022-04-06 08:36:26,076 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:26,077 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 [2022-04-06 08:36:26,077 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] [2022-04-06 08:36:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-04-06 08:36:26,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1576. [2022-04-06 08:36:26,092 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) [2022-04-06 08:36:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2188 transitions. [2022-04-06 08:36:26,095 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2188 transitions. Word has length 236 [2022-04-06 08:36:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:26,096 INFO L478 AbstractCegarLoop]: Abstraction has 1576 states and 2188 transitions. [2022-04-06 08:36:26,096 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) [2022-04-06 08:36:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2188 transitions. [2022-04-06 08:36:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-04-06 08:36:26,098 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:26,099 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] [2022-04-06 08:36:26,099 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-06 08:36:26,099 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:26,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:26,099 INFO L85 PathProgramCache]: Analyzing trace with hash -879138157, now seen corresponding path program 1 times [2022-04-06 08:36:26,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:26,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599118606] [2022-04-06 08:36:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:26,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-04-06 08:36:26,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:26,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599118606] [2022-04-06 08:36:26,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599118606] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:26,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:26,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:26,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754079644] [2022-04-06 08:36:26,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:26,146 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:26,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:26,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:26,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:26,146 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) [2022-04-06 08:36:26,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:26,283 INFO L93 Difference]: Finished difference Result 1784 states and 2452 transitions. [2022-04-06 08:36:26,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:26,284 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 [2022-04-06 08:36:26,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:26,288 INFO L225 Difference]: With dead ends: 1784 [2022-04-06 08:36:26,288 INFO L226 Difference]: Without dead ends: 1748 [2022-04-06 08:36:26,288 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:26,289 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 [2022-04-06 08:36:26,289 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] [2022-04-06 08:36:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2022-04-06 08:36:26,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1700. [2022-04-06 08:36:26,306 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) [2022-04-06 08:36:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2356 transitions. [2022-04-06 08:36:26,308 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2356 transitions. Word has length 236 [2022-04-06 08:36:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:26,309 INFO L478 AbstractCegarLoop]: Abstraction has 1700 states and 2356 transitions. [2022-04-06 08:36:26,309 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) [2022-04-06 08:36:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2356 transitions. [2022-04-06 08:36:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-04-06 08:36:26,312 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:26,312 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] [2022-04-06 08:36:26,312 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-06 08:36:26,313 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:26,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:26,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1124280444, now seen corresponding path program 1 times [2022-04-06 08:36:26,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:26,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930552653] [2022-04-06 08:36:26,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:26,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-04-06 08:36:26,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:26,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930552653] [2022-04-06 08:36:26,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930552653] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:26,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:26,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:26,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813467094] [2022-04-06 08:36:26,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:26,357 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:26,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:26,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:26,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:26,357 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) [2022-04-06 08:36:26,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:26,496 INFO L93 Difference]: Finished difference Result 3376 states and 4675 transitions. [2022-04-06 08:36:26,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:26,497 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 [2022-04-06 08:36:26,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:26,505 INFO L225 Difference]: With dead ends: 3376 [2022-04-06 08:36:26,505 INFO L226 Difference]: Without dead ends: 3376 [2022-04-06 08:36:26,505 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:26,506 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 [2022-04-06 08:36:26,506 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] [2022-04-06 08:36:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2022-04-06 08:36:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3374. [2022-04-06 08:36:26,543 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) [2022-04-06 08:36:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 3374 states and 4674 transitions. [2022-04-06 08:36:26,549 INFO L78 Accepts]: Start accepts. Automaton has 3374 states and 4674 transitions. Word has length 266 [2022-04-06 08:36:26,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:26,549 INFO L478 AbstractCegarLoop]: Abstraction has 3374 states and 4674 transitions. [2022-04-06 08:36:26,549 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) [2022-04-06 08:36:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 4674 transitions. [2022-04-06 08:36:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-04-06 08:36:26,554 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:26,555 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] [2022-04-06 08:36:26,555 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-06 08:36:26,555 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:26,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:26,556 INFO L85 PathProgramCache]: Analyzing trace with hash 6506181, now seen corresponding path program 1 times [2022-04-06 08:36:26,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:26,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394105663] [2022-04-06 08:36:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-04-06 08:36:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:26,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394105663] [2022-04-06 08:36:26,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394105663] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:26,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:26,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:26,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327144891] [2022-04-06 08:36:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:26,599 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:26,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:26,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:26,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:26,600 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) [2022-04-06 08:36:26,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:26,731 INFO L93 Difference]: Finished difference Result 3782 states and 5218 transitions. [2022-04-06 08:36:26,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:26,732 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 [2022-04-06 08:36:26,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:26,740 INFO L225 Difference]: With dead ends: 3782 [2022-04-06 08:36:26,741 INFO L226 Difference]: Without dead ends: 3742 [2022-04-06 08:36:26,741 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:26,741 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, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 08:36:26,741 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 171 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 08:36:26,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-04-06 08:36:26,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-04-06 08:36:26,782 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) [2022-04-06 08:36:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5074 transitions. [2022-04-06 08:36:26,787 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5074 transitions. Word has length 266 [2022-04-06 08:36:26,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:26,787 INFO L478 AbstractCegarLoop]: Abstraction has 3654 states and 5074 transitions. [2022-04-06 08:36:26,788 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 08:36:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5074 transitions. [2022-04-06 08:36:26,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-04-06 08:36:26,794 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:26,794 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] [2022-04-06 08:36:26,795 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-06 08:36:26,795 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:26,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:26,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1703890796, now seen corresponding path program 1 times [2022-04-06 08:36:26,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:26,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321220138] [2022-04-06 08:36:26,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:26,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-04-06 08:36:26,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:26,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321220138] [2022-04-06 08:36:26,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321220138] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:26,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:26,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:26,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174323101] [2022-04-06 08:36:26,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:26,843 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:26,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:26,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:26,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:26,843 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) [2022-04-06 08:36:26,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:26,973 INFO L93 Difference]: Finished difference Result 3766 states and 5170 transitions. [2022-04-06 08:36:26,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:26,974 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 [2022-04-06 08:36:26,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:26,982 INFO L225 Difference]: With dead ends: 3766 [2022-04-06 08:36:26,982 INFO L226 Difference]: Without dead ends: 3742 [2022-04-06 08:36:26,983 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:26,983 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 [2022-04-06 08:36:26,983 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] [2022-04-06 08:36:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-04-06 08:36:27,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-04-06 08:36:27,020 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) [2022-04-06 08:36:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5042 transitions. [2022-04-06 08:36:27,024 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5042 transitions. Word has length 301 [2022-04-06 08:36:27,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:27,025 INFO L478 AbstractCegarLoop]: Abstraction has 3654 states and 5042 transitions. [2022-04-06 08:36:27,025 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) [2022-04-06 08:36:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5042 transitions. [2022-04-06 08:36:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-04-06 08:36:27,031 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:27,031 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] [2022-04-06 08:36:27,031 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-06 08:36:27,031 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:27,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:27,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1069632228, now seen corresponding path program 1 times [2022-04-06 08:36:27,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:27,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031814137] [2022-04-06 08:36:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:27,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:27,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 08:36:27,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:27,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031814137] [2022-04-06 08:36:27,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031814137] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:27,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:27,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:27,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902610625] [2022-04-06 08:36:27,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:27,109 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:27,109 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) [2022-04-06 08:36:27,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:27,243 INFO L93 Difference]: Finished difference Result 3702 states and 5037 transitions. [2022-04-06 08:36:27,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:27,243 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 [2022-04-06 08:36:27,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:27,248 INFO L225 Difference]: With dead ends: 3702 [2022-04-06 08:36:27,249 INFO L226 Difference]: Without dead ends: 3702 [2022-04-06 08:36:27,249 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:27,249 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 [2022-04-06 08:36:27,249 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] [2022-04-06 08:36:27,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2022-04-06 08:36:27,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3604. [2022-04-06 08:36:27,279 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) [2022-04-06 08:36:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4910 transitions. [2022-04-06 08:36:27,283 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4910 transitions. Word has length 338 [2022-04-06 08:36:27,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:27,284 INFO L478 AbstractCegarLoop]: Abstraction has 3604 states and 4910 transitions. [2022-04-06 08:36:27,284 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) [2022-04-06 08:36:27,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4910 transitions. [2022-04-06 08:36:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-04-06 08:36:27,290 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:27,290 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] [2022-04-06 08:36:27,290 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-06 08:36:27,290 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:27,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:27,291 INFO L85 PathProgramCache]: Analyzing trace with hash -732748657, now seen corresponding path program 1 times [2022-04-06 08:36:27,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:27,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854829870] [2022-04-06 08:36:27,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:27,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-04-06 08:36:27,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:27,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854829870] [2022-04-06 08:36:27,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854829870] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:27,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:27,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:27,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270193399] [2022-04-06 08:36:27,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:27,347 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:27,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:27,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:27,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:27,348 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) [2022-04-06 08:36:27,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:27,481 INFO L93 Difference]: Finished difference Result 6668 states and 9031 transitions. [2022-04-06 08:36:27,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:27,481 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 [2022-04-06 08:36:27,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:27,491 INFO L225 Difference]: With dead ends: 6668 [2022-04-06 08:36:27,492 INFO L226 Difference]: Without dead ends: 6668 [2022-04-06 08:36:27,492 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:27,492 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 [2022-04-06 08:36:27,492 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] [2022-04-06 08:36:27,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-04-06 08:36:27,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6666. [2022-04-06 08:36:27,555 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) [2022-04-06 08:36:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9030 transitions. [2022-04-06 08:36:27,563 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9030 transitions. Word has length 339 [2022-04-06 08:36:27,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:27,563 INFO L478 AbstractCegarLoop]: Abstraction has 6666 states and 9030 transitions. [2022-04-06 08:36:27,564 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) [2022-04-06 08:36:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9030 transitions. [2022-04-06 08:36:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-04-06 08:36:27,572 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:27,572 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] [2022-04-06 08:36:27,572 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-06 08:36:27,572 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:27,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:27,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1470237842, now seen corresponding path program 1 times [2022-04-06 08:36:27,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:27,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037100034] [2022-04-06 08:36:27,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:27,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-06 08:36:27,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:27,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037100034] [2022-04-06 08:36:27,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037100034] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:36:27,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901421504] [2022-04-06 08:36:27,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:27,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:36:27,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:36:27,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:36:27,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 08:36:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:27,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 08:36:27,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:36:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-06 08:36:28,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 08:36:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-06 08:36:28,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901421504] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 08:36:28,581 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 08:36:28,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 08:36:28,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527688548] [2022-04-06 08:36:28,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 08:36:28,582 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 08:36:28,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:28,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 08:36:28,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 08:36:28,582 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) [2022-04-06 08:36:29,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:29,155 INFO L93 Difference]: Finished difference Result 8867 states and 11594 transitions. [2022-04-06 08:36:29,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 08:36:29,155 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 [2022-04-06 08:36:29,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:29,167 INFO L225 Difference]: With dead ends: 8867 [2022-04-06 08:36:29,168 INFO L226 Difference]: Without dead ends: 8859 [2022-04-06 08:36:29,168 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 [2022-04-06 08:36:29,168 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 [2022-04-06 08:36:29,169 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] [2022-04-06 08:36:29,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8859 states. [2022-04-06 08:36:29,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8859 to 6678. [2022-04-06 08:36:29,260 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) [2022-04-06 08:36:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 8742 transitions. [2022-04-06 08:36:29,268 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 8742 transitions. Word has length 349 [2022-04-06 08:36:29,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:29,269 INFO L478 AbstractCegarLoop]: Abstraction has 6678 states and 8742 transitions. [2022-04-06 08:36:29,269 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) [2022-04-06 08:36:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 8742 transitions. [2022-04-06 08:36:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-04-06 08:36:29,276 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:29,276 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] [2022-04-06 08:36:29,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-06 08:36:29,491 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 [2022-04-06 08:36:29,492 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:29,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1965032719, now seen corresponding path program 1 times [2022-04-06 08:36:29,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:29,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695108654] [2022-04-06 08:36:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 08:36:29,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:29,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695108654] [2022-04-06 08:36:29,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695108654] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:36:29,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004163034] [2022-04-06 08:36:29,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:29,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:36:29,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:36:29,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:36:29,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-06 08:36:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:29,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 08:36:29,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:36:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 08:36:29,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 08:36:30,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 08:36:30,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004163034] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 08:36:30,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 08:36:30,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 08:36:30,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039960705] [2022-04-06 08:36:30,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 08:36:30,319 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 08:36:30,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:30,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 08:36:30,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 08:36:30,319 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) [2022-04-06 08:36:30,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:30,652 INFO L93 Difference]: Finished difference Result 8281 states and 10773 transitions. [2022-04-06 08:36:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:30,653 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 [2022-04-06 08:36:30,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:30,662 INFO L225 Difference]: With dead ends: 8281 [2022-04-06 08:36:30,662 INFO L226 Difference]: Without dead ends: 8264 [2022-04-06 08:36:30,663 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 [2022-04-06 08:36:30,664 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 [2022-04-06 08:36:30,664 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] [2022-04-06 08:36:30,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8264 states. [2022-04-06 08:36:30,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8264 to 6643. [2022-04-06 08:36:30,725 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) [2022-04-06 08:36:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6643 states to 6643 states and 8612 transitions. [2022-04-06 08:36:30,771 INFO L78 Accepts]: Start accepts. Automaton has 6643 states and 8612 transitions. Word has length 375 [2022-04-06 08:36:30,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:30,772 INFO L478 AbstractCegarLoop]: Abstraction has 6643 states and 8612 transitions. [2022-04-06 08:36:30,772 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) [2022-04-06 08:36:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 6643 states and 8612 transitions. [2022-04-06 08:36:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-04-06 08:36:30,779 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:30,779 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] [2022-04-06 08:36:30,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-06 08:36:30,987 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 [2022-04-06 08:36:30,987 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1214695079, now seen corresponding path program 1 times [2022-04-06 08:36:30,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:30,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550083245] [2022-04-06 08:36:30,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:30,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-04-06 08:36:31,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:31,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550083245] [2022-04-06 08:36:31,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550083245] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:31,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 08:36:31,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 08:36:31,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65058324] [2022-04-06 08:36:31,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:31,058 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 08:36:31,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:31,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 08:36:31,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 08:36:31,059 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) [2022-04-06 08:36:31,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:31,192 INFO L93 Difference]: Finished difference Result 6257 states and 8078 transitions. [2022-04-06 08:36:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 08:36:31,192 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 [2022-04-06 08:36:31,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:31,196 INFO L225 Difference]: With dead ends: 6257 [2022-04-06 08:36:31,197 INFO L226 Difference]: Without dead ends: 3467 [2022-04-06 08:36:31,197 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 08:36:31,197 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 [2022-04-06 08:36:31,197 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] [2022-04-06 08:36:31,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-04-06 08:36:31,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3393. [2022-04-06 08:36:31,226 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) [2022-04-06 08:36:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4450 transitions. [2022-04-06 08:36:31,229 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4450 transitions. Word has length 414 [2022-04-06 08:36:31,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:31,229 INFO L478 AbstractCegarLoop]: Abstraction has 3393 states and 4450 transitions. [2022-04-06 08:36:31,229 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) [2022-04-06 08:36:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4450 transitions. [2022-04-06 08:36:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-04-06 08:36:31,234 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:31,235 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] [2022-04-06 08:36:31,235 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-06 08:36:31,235 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:31,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1738124885, now seen corresponding path program 1 times [2022-04-06 08:36:31,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:31,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363050989] [2022-04-06 08:36:31,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-04-06 08:36:31,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:31,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363050989] [2022-04-06 08:36:31,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363050989] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:36:31,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212036057] [2022-04-06 08:36:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:31,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:36:31,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:36:31,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:36:31,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-06 08:36:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:31,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 08:36:31,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:36:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1017 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-04-06 08:36:32,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 08:36:32,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212036057] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 08:36:32,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 08:36:32,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 08:36:32,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434211392] [2022-04-06 08:36:32,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 08:36:32,049 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 08:36:32,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:32,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 08:36:32,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-06 08:36:32,050 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) [2022-04-06 08:36:32,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:32,068 INFO L93 Difference]: Finished difference Result 3671 states and 4828 transitions. [2022-04-06 08:36:32,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 08:36:32,069 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 [2022-04-06 08:36:32,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:32,073 INFO L225 Difference]: With dead ends: 3671 [2022-04-06 08:36:32,073 INFO L226 Difference]: Without dead ends: 3671 [2022-04-06 08:36:32,074 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 [2022-04-06 08:36:32,074 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 [2022-04-06 08:36:32,074 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] [2022-04-06 08:36:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2022-04-06 08:36:32,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3319. [2022-04-06 08:36:32,106 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) [2022-04-06 08:36:32,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 3319 states and 4358 transitions. [2022-04-06 08:36:32,109 INFO L78 Accepts]: Start accepts. Automaton has 3319 states and 4358 transitions. Word has length 498 [2022-04-06 08:36:32,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:32,109 INFO L478 AbstractCegarLoop]: Abstraction has 3319 states and 4358 transitions. [2022-04-06 08:36:32,110 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) [2022-04-06 08:36:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 4358 transitions. [2022-04-06 08:36:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-04-06 08:36:32,115 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 08:36:32,115 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] [2022-04-06 08:36:32,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-06 08:36:32,326 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 [2022-04-06 08:36:32,326 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 08:36:32,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 08:36:32,327 INFO L85 PathProgramCache]: Analyzing trace with hash -113784954, now seen corresponding path program 1 times [2022-04-06 08:36:32,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 08:36:32,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597723227] [2022-04-06 08:36:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:32,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 08:36:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 08:36:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:32,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-04-06 08:36:32,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 08:36:32,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597723227] [2022-04-06 08:36:32,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597723227] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 08:36:32,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945770691] [2022-04-06 08:36:32,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 08:36:32,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 08:36:32,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 08:36:32,412 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 08:36:32,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-06 08:36:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 08:36:32,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 08:36:32,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 08:36:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-04-06 08:36:33,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 08:36:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-04-06 08:36:33,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945770691] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 08:36:33,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 08:36:33,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-06 08:36:33,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051169620] [2022-04-06 08:36:33,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 08:36:33,943 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 08:36:33,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 08:36:33,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 08:36:33,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-06 08:36:33,944 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) [2022-04-06 08:36:34,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 08:36:34,325 INFO L93 Difference]: Finished difference Result 1101 states and 1393 transitions. [2022-04-06 08:36:34,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 08:36:34,326 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 [2022-04-06 08:36:34,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 08:36:34,326 INFO L225 Difference]: With dead ends: 1101 [2022-04-06 08:36:34,326 INFO L226 Difference]: Without dead ends: 0 [2022-04-06 08:36:34,326 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 [2022-04-06 08:36:34,327 INFO L913 BasicCegarLoop]: 155 mSDtfsCounter, 282 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-06 08:36:34,327 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 182 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-06 08:36:34,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-06 08:36:34,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-06 08:36:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-06 08:36:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-06 08:36:34,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 610 [2022-04-06 08:36:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 08:36:34,328 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-06 08:36:34,328 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) [2022-04-06 08:36:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-06 08:36:34,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-06 08:36:34,330 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 08:36:34,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-06 08:36:34,547 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 [2022-04-06 08:36:34,550 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] [2022-04-06 08:36:34,551 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 08:36:34,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:36:34 BasicIcfg [2022-04-06 08:36:34,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 08:36:34,553 INFO L158 Benchmark]: Toolchain (without parser) took 15519.40ms. Allocated memory was 195.0MB in the beginning and 413.1MB in the end (delta: 218.1MB). Free memory was 139.2MB in the beginning and 354.2MB in the end (delta: -215.0MB). Peak memory consumption was 4.5MB. Max. memory is 8.0GB. [2022-04-06 08:36:34,553 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 155.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 08:36:34,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.08ms. Allocated memory was 195.0MB in the beginning and 286.3MB in the end (delta: 91.2MB). Free memory was 139.0MB in the beginning and 257.5MB in the end (delta: -118.5MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. [2022-04-06 08:36:34,553 INFO L158 Benchmark]: Boogie Preprocessor took 50.56ms. Allocated memory is still 286.3MB. Free memory was 257.5MB in the beginning and 255.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-06 08:36:34,553 INFO L158 Benchmark]: RCFGBuilder took 462.29ms. Allocated memory is still 286.3MB. Free memory was 255.4MB in the beginning and 230.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-04-06 08:36:34,554 INFO L158 Benchmark]: IcfgTransformer took 25.22ms. Allocated memory is still 286.3MB. Free memory was 230.3MB in the beginning and 227.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 08:36:34,554 INFO L158 Benchmark]: TraceAbstraction took 14695.77ms. Allocated memory was 286.3MB in the beginning and 413.1MB in the end (delta: 126.9MB). Free memory was 226.6MB in the beginning and 354.2MB in the end (delta: -127.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 08:36:34,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 155.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.08ms. Allocated memory was 195.0MB in the beginning and 286.3MB in the end (delta: 91.2MB). Free memory was 139.0MB in the beginning and 257.5MB in the end (delta: -118.5MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.56ms. Allocated memory is still 286.3MB. Free memory was 257.5MB in the beginning and 255.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 462.29ms. Allocated memory is still 286.3MB. Free memory was 255.4MB in the beginning and 230.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 25.22ms. Allocated memory is still 286.3MB. Free memory was 230.3MB in the beginning and 227.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14695.77ms. Allocated memory was 286.3MB in the beginning and 413.1MB in the end (delta: 126.9MB). Free memory was 226.6MB in the beginning and 354.2MB in the end (delta: -127.6MB). There was no memory consumed. 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: 14.7s, 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: 0.8s AutomataMinimizationTime, 33 MinimizatonAttempts, 4846 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.8s 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! [2022-04-06 08:36:34,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...