/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_4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 04:12:57,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 04:12:57,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 04:12:57,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 04:12:57,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 04:12:57,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 04:12:57,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 04:12:57,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 04:12:57,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 04:12:57,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 04:12:57,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 04:12:57,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 04:12:57,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 04:12:57,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 04:12:57,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 04:12:57,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 04:12:57,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 04:12:57,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 04:12:57,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 04:12:57,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 04:12:57,986 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 04:12:57,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 04:12:57,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 04:12:57,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 04:12:57,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 04:12:57,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-05 04:12:58,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 04:12:58,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 04:12:58,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 04:12:58,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 04:12:58,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 04:12:58,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 04:12:58,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 04:12:58,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 04:12:58,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 04:12:58,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 04:12:58,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 04:12:58,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 04:12:58,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 04:12:58,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 04:12:58,019 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 04:12:58,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 04:12:58,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 04:12:58,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 04:12:58,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 04:12:58,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 04:12:58,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 04:12:58,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 04:12:58,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:12:58,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 04:12:58,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 04:12:58,021 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 04:12:58,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 04:12:58,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 04:12:58,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 04:12:58,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 04:12:58,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 04:12:58,286 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 04:12:58,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-04-05 04:12:58,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5822b298/b9d1db784a4f45979bf3d4d11e2ae8c8/FLAGb1b0effd0 [2022-04-05 04:12:58,796 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 04:12:58,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-04-05 04:12:58,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5822b298/b9d1db784a4f45979bf3d4d11e2ae8c8/FLAGb1b0effd0 [2022-04-05 04:12:59,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5822b298/b9d1db784a4f45979bf3d4d11e2ae8c8 [2022-04-05 04:12:59,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 04:12:59,172 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 04:12:59,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 04:12:59,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 04:12:59,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 04:12:59,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1ec57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59, skipping insertion in model container [2022-04-05 04:12:59,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 04:12:59,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 04:12:59,415 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_4.cil-1.c[35886,35899] [2022-04-05 04:12:59,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:12:59,426 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 04:12:59,475 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_4.cil-1.c[35886,35899] [2022-04-05 04:12:59,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:12:59,488 INFO L208 MainTranslator]: Completed translation [2022-04-05 04:12:59,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59 WrapperNode [2022-04-05 04:12:59,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 04:12:59,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 04:12:59,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 04:12:59,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 04:12:59,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 04:12:59,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 04:12:59,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 04:12:59,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 04:12:59,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (1/1) ... [2022-04-05 04:12:59,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:12:59,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:59,566 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) [2022-04-05 04:12:59,594 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 [2022-04-05 04:12:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 04:12:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 04:12:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 04:12:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-05 04:12:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 04:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 04:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 04:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 04:12:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 04:12:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-05 04:12:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 04:12:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-05 04:12:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-05 04:12:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 04:12:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 04:12:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 04:12:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 04:12:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 04:12:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 04:12:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 04:12:59,767 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 04:12:59,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 04:12:59,891 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 04:13:00,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-05 04:13:00,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-05 04:13:00,220 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 04:13:00,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 04:13:00,226 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 04:13:00,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:13:00 BoogieIcfgContainer [2022-04-05 04:13:00,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 04:13:00,229 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 04:13:00,229 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 04:13:00,233 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 04:13:00,236 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:13:00" (1/1) ... [2022-04-05 04:13:00,237 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 04:13:00,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:13:00 BasicIcfg [2022-04-05 04:13:00,276 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 04:13:00,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 04:13:00,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 04:13:00,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 04:13:00,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:12:59" (1/4) ... [2022-04-05 04:13:00,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7414802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:13:00, skipping insertion in model container [2022-04-05 04:13:00,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:59" (2/4) ... [2022-04-05 04:13:00,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7414802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:13:00, skipping insertion in model container [2022-04-05 04:13:00,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:13:00" (3/4) ... [2022-04-05 04:13:00,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7414802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:13:00, skipping insertion in model container [2022-04-05 04:13:00,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:13:00" (4/4) ... [2022-04-05 04:13:00,282 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.cJordan [2022-04-05 04:13:00,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 04:13:00,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 04:13:00,315 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 04:13:00,319 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 [2022-04-05 04:13:00,319 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 04:13:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 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) [2022-04-05 04:13:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-05 04:13:00,339 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:00,339 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] [2022-04-05 04:13:00,340 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:00,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:00,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1413612036, now seen corresponding path program 1 times [2022-04-05 04:13:00,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:00,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363476554] [2022-04-05 04:13:00,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:00,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:00,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:00,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:00,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363476554] [2022-04-05 04:13:00,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363476554] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:00,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:00,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:00,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893613023] [2022-04-05 04:13:00,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:00,684 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:00,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:00,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:00,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:00,716 INFO L87 Difference]: Start difference. First operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:00,982 INFO L93 Difference]: Finished difference Result 252 states and 412 transitions. [2022-04-05 04:13:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:00,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-04-05 04:13:00,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:00,993 INFO L225 Difference]: With dead ends: 252 [2022-04-05 04:13:00,993 INFO L226 Difference]: Without dead ends: 219 [2022-04-05 04:13:00,994 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 [2022-04-05 04:13:00,997 INFO L913 BasicCegarLoop]: 215 mSDtfsCounter, 578 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:00,998 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 224 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:01,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-04-05 04:13:01,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-04-05 04:13:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 214 states have (on average 1.4906542056074767) internal successors, (319), 214 states have internal predecessors, (319), 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) [2022-04-05 04:13:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 323 transitions. [2022-04-05 04:13:01,060 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 323 transitions. Word has length 30 [2022-04-05 04:13:01,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:01,060 INFO L478 AbstractCegarLoop]: Abstraction has 219 states and 323 transitions. [2022-04-05 04:13:01,061 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-04-05 04:13:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-05 04:13:01,062 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:01,063 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:01,063 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 04:13:01,064 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:01,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:01,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1163877785, now seen corresponding path program 1 times [2022-04-05 04:13:01,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:01,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448878981] [2022-04-05 04:13:01,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:01,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:01,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448878981] [2022-04-05 04:13:01,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448878981] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:01,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:01,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:01,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766470265] [2022-04-05 04:13:01,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:01,167 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:01,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:01,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:01,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:01,168 INFO L87 Difference]: Start difference. First operand 219 states and 323 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:01,411 INFO L93 Difference]: Finished difference Result 244 states and 356 transitions. [2022-04-05 04:13:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:01,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-04-05 04:13:01,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:01,415 INFO L225 Difference]: With dead ends: 244 [2022-04-05 04:13:01,416 INFO L226 Difference]: Without dead ends: 244 [2022-04-05 04:13:01,416 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 [2022-04-05 04:13:01,418 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:01,418 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-04-05 04:13:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2022-04-05 04:13:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 231 states have internal predecessors, (341), 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) [2022-04-05 04:13:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 345 transitions. [2022-04-05 04:13:01,433 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 345 transitions. Word has length 44 [2022-04-05 04:13:01,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:01,433 INFO L478 AbstractCegarLoop]: Abstraction has 236 states and 345 transitions. [2022-04-05 04:13:01,434 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 345 transitions. [2022-04-05 04:13:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-05 04:13:01,442 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:01,442 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:01,442 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 04:13:01,442 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:01,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:01,443 INFO L85 PathProgramCache]: Analyzing trace with hash 10851448, now seen corresponding path program 1 times [2022-04-05 04:13:01,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:01,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138436671] [2022-04-05 04:13:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:01,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:01,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:01,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138436671] [2022-04-05 04:13:01,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138436671] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:01,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:01,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:01,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200765221] [2022-04-05 04:13:01,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:01,505 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:01,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:01,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:01,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:01,506 INFO L87 Difference]: Start difference. First operand 236 states and 345 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:01,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:01,722 INFO L93 Difference]: Finished difference Result 257 states and 372 transitions. [2022-04-05 04:13:01,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:01,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-05 04:13:01,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:01,724 INFO L225 Difference]: With dead ends: 257 [2022-04-05 04:13:01,725 INFO L226 Difference]: Without dead ends: 257 [2022-04-05 04:13:01,725 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 [2022-04-05 04:13:01,730 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:01,732 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:01,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-04-05 04:13:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2022-04-05 04:13:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.4603174603174602) internal successors, (368), 252 states have internal predecessors, (368), 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) [2022-04-05 04:13:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 372 transitions. [2022-04-05 04:13:01,750 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 372 transitions. Word has length 61 [2022-04-05 04:13:01,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:01,751 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 372 transitions. [2022-04-05 04:13:01,751 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 372 transitions. [2022-04-05 04:13:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-05 04:13:01,753 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:01,753 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:01,753 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 04:13:01,753 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:01,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:01,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2088060791, now seen corresponding path program 1 times [2022-04-05 04:13:01,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:01,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907506576] [2022-04-05 04:13:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-05 04:13:01,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:01,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907506576] [2022-04-05 04:13:01,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907506576] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:01,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:01,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:01,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466253058] [2022-04-05 04:13:01,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:01,876 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:01,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:01,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:01,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:01,877 INFO L87 Difference]: Start difference. First operand 257 states and 372 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:02,136 INFO L93 Difference]: Finished difference Result 359 states and 496 transitions. [2022-04-05 04:13:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-05 04:13:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:02,139 INFO L225 Difference]: With dead ends: 359 [2022-04-05 04:13:02,139 INFO L226 Difference]: Without dead ends: 357 [2022-04-05 04:13:02,139 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 [2022-04-05 04:13:02,140 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:02,140 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 204 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-04-05 04:13:02,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 339. [2022-04-05 04:13:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 334 states have (on average 1.401197604790419) internal successors, (468), 334 states have internal predecessors, (468), 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) [2022-04-05 04:13:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 472 transitions. [2022-04-05 04:13:02,152 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 472 transitions. Word has length 61 [2022-04-05 04:13:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:02,153 INFO L478 AbstractCegarLoop]: Abstraction has 339 states and 472 transitions. [2022-04-05 04:13:02,153 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 472 transitions. [2022-04-05 04:13:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-05 04:13:02,157 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:02,158 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:02,158 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 04:13:02,161 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:02,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:02,162 INFO L85 PathProgramCache]: Analyzing trace with hash -962142024, now seen corresponding path program 1 times [2022-04-05 04:13:02,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:02,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328391724] [2022-04-05 04:13:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:02,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-05 04:13:02,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:02,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328391724] [2022-04-05 04:13:02,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328391724] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:02,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:02,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:02,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014143896] [2022-04-05 04:13:02,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:02,226 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:02,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:02,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:02,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:02,227 INFO L87 Difference]: Start difference. First operand 339 states and 472 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:02,417 INFO L93 Difference]: Finished difference Result 389 states and 536 transitions. [2022-04-05 04:13:02,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:02,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-05 04:13:02,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:02,419 INFO L225 Difference]: With dead ends: 389 [2022-04-05 04:13:02,419 INFO L226 Difference]: Without dead ends: 389 [2022-04-05 04:13:02,420 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 [2022-04-05 04:13:02,420 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 195 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:02,421 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 194 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:02,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-04-05 04:13:02,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 377. [2022-04-05 04:13:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 372 states have (on average 1.3870967741935485) internal successors, (516), 372 states have internal predecessors, (516), 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) [2022-04-05 04:13:02,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 520 transitions. [2022-04-05 04:13:02,428 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 520 transitions. Word has length 61 [2022-04-05 04:13:02,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:02,428 INFO L478 AbstractCegarLoop]: Abstraction has 377 states and 520 transitions. [2022-04-05 04:13:02,428 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 520 transitions. [2022-04-05 04:13:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-04-05 04:13:02,430 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:02,430 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:02,430 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-05 04:13:02,431 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:02,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:02,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2121066996, now seen corresponding path program 1 times [2022-04-05 04:13:02,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:02,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211835063] [2022-04-05 04:13:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:02,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-05 04:13:02,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:02,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211835063] [2022-04-05 04:13:02,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211835063] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:02,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:02,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:02,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552610321] [2022-04-05 04:13:02,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:02,481 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:02,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:02,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:02,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:02,482 INFO L87 Difference]: Start difference. First operand 377 states and 520 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:02,651 INFO L93 Difference]: Finished difference Result 483 states and 688 transitions. [2022-04-05 04:13:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:02,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-05 04:13:02,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:02,654 INFO L225 Difference]: With dead ends: 483 [2022-04-05 04:13:02,654 INFO L226 Difference]: Without dead ends: 481 [2022-04-05 04:13:02,654 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 [2022-04-05 04:13:02,655 INFO L913 BasicCegarLoop]: 174 mSDtfsCounter, 295 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:02,655 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:02,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-04-05 04:13:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 455. [2022-04-05 04:13:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 450 states have (on average 1.4444444444444444) internal successors, (650), 450 states have internal predecessors, (650), 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) [2022-04-05 04:13:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 654 transitions. [2022-04-05 04:13:02,666 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 654 transitions. Word has length 74 [2022-04-05 04:13:02,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:02,667 INFO L478 AbstractCegarLoop]: Abstraction has 455 states and 654 transitions. [2022-04-05 04:13:02,667 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,667 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 654 transitions. [2022-04-05 04:13:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-05 04:13:02,668 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:02,668 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:02,669 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-05 04:13:02,669 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:02,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:02,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1564650695, now seen corresponding path program 1 times [2022-04-05 04:13:02,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:02,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756247751] [2022-04-05 04:13:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:02,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-05 04:13:02,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:02,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756247751] [2022-04-05 04:13:02,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756247751] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:02,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:02,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:02,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779722617] [2022-04-05 04:13:02,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:02,724 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:02,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:02,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:02,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:02,724 INFO L87 Difference]: Start difference. First operand 455 states and 654 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:02,905 INFO L93 Difference]: Finished difference Result 503 states and 713 transitions. [2022-04-05 04:13:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:02,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 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 78 [2022-04-05 04:13:02,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:02,908 INFO L225 Difference]: With dead ends: 503 [2022-04-05 04:13:02,908 INFO L226 Difference]: Without dead ends: 503 [2022-04-05 04:13:02,908 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 [2022-04-05 04:13:02,909 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:02,909 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:02,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-04-05 04:13:02,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2022-04-05 04:13:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 492 states have (on average 1.4268292682926829) internal successors, (702), 492 states have internal predecessors, (702), 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) [2022-04-05 04:13:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 706 transitions. [2022-04-05 04:13:02,919 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 706 transitions. Word has length 78 [2022-04-05 04:13:02,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:02,919 INFO L478 AbstractCegarLoop]: Abstraction has 497 states and 706 transitions. [2022-04-05 04:13:02,920 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 706 transitions. [2022-04-05 04:13:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-05 04:13:02,921 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:02,921 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:02,921 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-05 04:13:02,921 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:02,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:02,922 INFO L85 PathProgramCache]: Analyzing trace with hash -540847427, now seen corresponding path program 1 times [2022-04-05 04:13:02,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:02,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386482609] [2022-04-05 04:13:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:02,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-04-05 04:13:02,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:02,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386482609] [2022-04-05 04:13:02,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386482609] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:02,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:02,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:02,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244945310] [2022-04-05 04:13:02,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:02,986 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:02,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:02,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:02,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:02,987 INFO L87 Difference]: Start difference. First operand 497 states and 706 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:03,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:03,163 INFO L93 Difference]: Finished difference Result 735 states and 1044 transitions. [2022-04-05 04:13:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:03,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 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 98 [2022-04-05 04:13:03,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:03,165 INFO L225 Difference]: With dead ends: 735 [2022-04-05 04:13:03,165 INFO L226 Difference]: Without dead ends: 735 [2022-04-05 04:13:03,166 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 [2022-04-05 04:13:03,166 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 294 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:03,166 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 324 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:03,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-04-05 04:13:03,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-04-05 04:13:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 730 states have (on average 1.4246575342465753) internal successors, (1040), 730 states have internal predecessors, (1040), 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) [2022-04-05 04:13:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-04-05 04:13:03,179 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-04-05 04:13:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:03,180 INFO L478 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-04-05 04:13:03,180 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-04-05 04:13:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-05 04:13:03,181 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:03,182 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:03,182 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-05 04:13:03,182 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:03,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:03,182 INFO L85 PathProgramCache]: Analyzing trace with hash -700282458, now seen corresponding path program 1 times [2022-04-05 04:13:03,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:03,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256532452] [2022-04-05 04:13:03,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:03,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-05 04:13:03,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:03,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256532452] [2022-04-05 04:13:03,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256532452] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:03,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:03,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175819785] [2022-04-05 04:13:03,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:03,223 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:03,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:03,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:03,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:03,224 INFO L87 Difference]: Start difference. First operand 735 states and 1044 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) [2022-04-05 04:13:03,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:03,371 INFO L93 Difference]: Finished difference Result 975 states and 1389 transitions. [2022-04-05 04:13:03,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:03,372 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 100 [2022-04-05 04:13:03,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:03,375 INFO L225 Difference]: With dead ends: 975 [2022-04-05 04:13:03,375 INFO L226 Difference]: Without dead ends: 975 [2022-04-05 04:13:03,376 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 [2022-04-05 04:13:03,376 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:03,376 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 171 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-04-05 04:13:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-04-05 04:13:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 970 states have (on average 1.4278350515463918) internal successors, (1385), 970 states have internal predecessors, (1385), 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) [2022-04-05 04:13:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-04-05 04:13:03,393 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-04-05 04:13:03,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:03,393 INFO L478 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-04-05 04:13:03,393 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) [2022-04-05 04:13:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-04-05 04:13:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-04-05 04:13:03,396 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:03,396 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 3, 3, 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] [2022-04-05 04:13:03,396 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-05 04:13:03,396 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:03,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:03,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1475386212, now seen corresponding path program 1 times [2022-04-05 04:13:03,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:03,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276066004] [2022-04-05 04:13:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-04-05 04:13:03,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:03,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276066004] [2022-04-05 04:13:03,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276066004] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:03,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:03,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:03,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787752742] [2022-04-05 04:13:03,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:03,440 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:03,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:03,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:03,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:03,441 INFO L87 Difference]: Start difference. First operand 975 states and 1389 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:03,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:03,615 INFO L93 Difference]: Finished difference Result 1179 states and 1685 transitions. [2022-04-05 04:13:03,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:03,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 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 140 [2022-04-05 04:13:03,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:03,620 INFO L225 Difference]: With dead ends: 1179 [2022-04-05 04:13:03,620 INFO L226 Difference]: Without dead ends: 1171 [2022-04-05 04:13:03,620 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 [2022-04-05 04:13:03,621 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 234 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:03,622 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 204 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:03,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-04-05 04:13:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-04-05 04:13:03,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1126 states have (on average 1.4431616341030196) internal successors, (1625), 1126 states have internal predecessors, (1625), 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) [2022-04-05 04:13:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-04-05 04:13:03,642 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 140 [2022-04-05 04:13:03,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:03,642 INFO L478 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-04-05 04:13:03,642 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-04-05 04:13:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-04-05 04:13:03,645 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:03,645 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 4, 4, 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] [2022-04-05 04:13:03,646 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-05 04:13:03,646 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:03,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:03,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1543242522, now seen corresponding path program 1 times [2022-04-05 04:13:03,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:03,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243079792] [2022-04-05 04:13:03,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:03,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-04-05 04:13:03,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:03,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243079792] [2022-04-05 04:13:03,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243079792] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:03,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:03,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:03,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702437738] [2022-04-05 04:13:03,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:03,715 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:03,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:03,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:03,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:03,716 INFO L87 Difference]: Start difference. First operand 1131 states and 1629 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:03,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:03,899 INFO L93 Difference]: Finished difference Result 1237 states and 1755 transitions. [2022-04-05 04:13:03,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:03,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 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 176 [2022-04-05 04:13:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:03,904 INFO L225 Difference]: With dead ends: 1237 [2022-04-05 04:13:03,904 INFO L226 Difference]: Without dead ends: 1237 [2022-04-05 04:13:03,904 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 [2022-04-05 04:13:03,905 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:03,905 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-04-05 04:13:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-04-05 04:13:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1218 states have (on average 1.4261083743842364) internal successors, (1737), 1218 states have internal predecessors, (1737), 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) [2022-04-05 04:13:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-04-05 04:13:03,924 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 176 [2022-04-05 04:13:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:03,924 INFO L478 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-04-05 04:13:03,924 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-04-05 04:13:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-04-05 04:13:03,927 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:03,927 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 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] [2022-04-05 04:13:03,927 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-05 04:13:03,927 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:03,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1697427602, now seen corresponding path program 1 times [2022-04-05 04:13:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:03,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681489135] [2022-04-05 04:13:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:03,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-04-05 04:13:03,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:03,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681489135] [2022-04-05 04:13:03,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681489135] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:03,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:03,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:03,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827934357] [2022-04-05 04:13:03,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:03,990 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:03,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:03,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:03,990 INFO L87 Difference]: Start difference. First operand 1223 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:04,155 INFO L93 Difference]: Finished difference Result 1335 states and 1877 transitions. [2022-04-05 04:13:04,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:04,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 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 197 [2022-04-05 04:13:04,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:04,160 INFO L225 Difference]: With dead ends: 1335 [2022-04-05 04:13:04,160 INFO L226 Difference]: Without dead ends: 1335 [2022-04-05 04:13:04,160 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 [2022-04-05 04:13:04,162 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:04,162 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-04-05 04:13:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-04-05 04:13:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1318 states have (on average 1.4089529590288317) internal successors, (1857), 1318 states have internal predecessors, (1857), 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) [2022-04-05 04:13:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-04-05 04:13:04,184 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 197 [2022-04-05 04:13:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:04,184 INFO L478 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-04-05 04:13:04,185 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-04-05 04:13:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-04-05 04:13:04,188 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:04,188 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 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] [2022-04-05 04:13:04,188 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-05 04:13:04,188 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:04,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:04,189 INFO L85 PathProgramCache]: Analyzing trace with hash 413683819, now seen corresponding path program 1 times [2022-04-05 04:13:04,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:04,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831174261] [2022-04-05 04:13:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:04,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-04-05 04:13:04,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:04,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831174261] [2022-04-05 04:13:04,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831174261] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:04,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:04,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:04,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235656776] [2022-04-05 04:13:04,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:04,249 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:04,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:04,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:04,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:04,249 INFO L87 Difference]: Start difference. First operand 1323 states and 1861 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:04,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:04,414 INFO L93 Difference]: Finished difference Result 1443 states and 2001 transitions. [2022-04-05 04:13:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:04,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 221 [2022-04-05 04:13:04,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:04,419 INFO L225 Difference]: With dead ends: 1443 [2022-04-05 04:13:04,419 INFO L226 Difference]: Without dead ends: 1443 [2022-04-05 04:13:04,420 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 [2022-04-05 04:13:04,421 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:04,421 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-04-05 04:13:04,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-04-05 04:13:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1430 states have (on average 1.3909090909090909) internal successors, (1989), 1430 states have internal predecessors, (1989), 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) [2022-04-05 04:13:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-04-05 04:13:04,444 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 221 [2022-04-05 04:13:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:04,444 INFO L478 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-04-05 04:13:04,445 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-04-05 04:13:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-04-05 04:13:04,448 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:04,448 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 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] [2022-04-05 04:13:04,449 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-05 04:13:04,450 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:04,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash 929204268, now seen corresponding path program 1 times [2022-04-05 04:13:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:04,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116375990] [2022-04-05 04:13:04,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-04-05 04:13:04,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:04,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116375990] [2022-04-05 04:13:04,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116375990] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:04,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:04,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:04,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100890430] [2022-04-05 04:13:04,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:04,522 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:04,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:04,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:04,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:04,523 INFO L87 Difference]: Start difference. First operand 1435 states and 1993 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:04,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:04,696 INFO L93 Difference]: Finished difference Result 1571 states and 2153 transitions. [2022-04-05 04:13:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:04,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 221 [2022-04-05 04:13:04,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:04,702 INFO L225 Difference]: With dead ends: 1571 [2022-04-05 04:13:04,702 INFO L226 Difference]: Without dead ends: 1571 [2022-04-05 04:13:04,702 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 [2022-04-05 04:13:04,703 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:04,703 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:04,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-04-05 04:13:04,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-04-05 04:13:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1554 states have (on average 1.3725868725868726) internal successors, (2133), 1554 states have internal predecessors, (2133), 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) [2022-04-05 04:13:04,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-04-05 04:13:04,732 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 221 [2022-04-05 04:13:04,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:04,733 INFO L478 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-04-05 04:13:04,733 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-04-05 04:13:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-04-05 04:13:04,737 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:04,737 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:04,737 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-05 04:13:04,737 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:04,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:04,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1406706202, now seen corresponding path program 1 times [2022-04-05 04:13:04,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:04,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805877146] [2022-04-05 04:13:04,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:04,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:04,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-04-05 04:13:04,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:04,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805877146] [2022-04-05 04:13:04,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805877146] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:04,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:04,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:04,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181526302] [2022-04-05 04:13:04,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:04,814 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:04,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:04,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:04,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:04,815 INFO L87 Difference]: Start difference. First operand 1559 states and 2137 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:04,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:04,968 INFO L93 Difference]: Finished difference Result 3101 states and 4249 transitions. [2022-04-05 04:13:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 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 251 [2022-04-05 04:13:04,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:04,979 INFO L225 Difference]: With dead ends: 3101 [2022-04-05 04:13:04,979 INFO L226 Difference]: Without dead ends: 3101 [2022-04-05 04:13:04,980 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 [2022-04-05 04:13:04,981 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 299 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:04,981 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 333 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:04,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-04-05 04:13:05,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-04-05 04:13:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3094 states have (on average 1.3716871363930188) internal successors, (4244), 3094 states have internal predecessors, (4244), 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) [2022-04-05 04:13:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-04-05 04:13:05,041 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 251 [2022-04-05 04:13:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:05,041 INFO L478 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-04-05 04:13:05,042 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-04-05 04:13:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-04-05 04:13:05,048 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:05,048 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:05,048 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-05 04:13:05,048 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:05,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:05,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1922226651, now seen corresponding path program 1 times [2022-04-05 04:13:05,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:05,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114578887] [2022-04-05 04:13:05,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:05,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-04-05 04:13:05,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:05,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114578887] [2022-04-05 04:13:05,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114578887] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:05,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:05,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:05,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494493850] [2022-04-05 04:13:05,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:05,112 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:05,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:05,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:05,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:05,113 INFO L87 Difference]: Start difference. First operand 3099 states and 4248 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:05,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:05,301 INFO L93 Difference]: Finished difference Result 3399 states and 4588 transitions. [2022-04-05 04:13:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:05,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 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 251 [2022-04-05 04:13:05,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:05,312 INFO L225 Difference]: With dead ends: 3399 [2022-04-05 04:13:05,312 INFO L226 Difference]: Without dead ends: 3399 [2022-04-05 04:13:05,312 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 [2022-04-05 04:13:05,313 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:05,313 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:05,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-04-05 04:13:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-04-05 04:13:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3383 states, 3378 states have (on average 1.3522794552989934) internal successors, (4568), 3378 states have internal predecessors, (4568), 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) [2022-04-05 04:13:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-04-05 04:13:05,373 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 251 [2022-04-05 04:13:05,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:05,373 INFO L478 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-04-05 04:13:05,373 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-04-05 04:13:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-04-05 04:13:05,381 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:05,381 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2022-04-05 04:13:05,381 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-05 04:13:05,381 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:05,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:05,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1671940338, now seen corresponding path program 1 times [2022-04-05 04:13:05,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:05,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973091351] [2022-04-05 04:13:05,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:05,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-04-05 04:13:05,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:05,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973091351] [2022-04-05 04:13:05,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973091351] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:05,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:05,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:05,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681343400] [2022-04-05 04:13:05,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:05,446 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:05,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:05,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:05,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:05,447 INFO L87 Difference]: Start difference. First operand 3383 states and 4572 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:05,666 INFO L93 Difference]: Finished difference Result 3531 states and 4740 transitions. [2022-04-05 04:13:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:05,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 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 275 [2022-04-05 04:13:05,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:05,677 INFO L225 Difference]: With dead ends: 3531 [2022-04-05 04:13:05,677 INFO L226 Difference]: Without dead ends: 3531 [2022-04-05 04:13:05,678 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 [2022-04-05 04:13:05,679 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:05,679 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:05,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-04-05 04:13:05,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-04-05 04:13:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3510 states have (on average 1.3447293447293447) internal successors, (4720), 3510 states have internal predecessors, (4720), 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) [2022-04-05 04:13:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-04-05 04:13:05,745 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 275 [2022-04-05 04:13:05,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:05,746 INFO L478 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-04-05 04:13:05,746 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-04-05 04:13:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-04-05 04:13:05,753 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:05,754 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:05,754 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-05 04:13:05,754 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:05,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:05,754 INFO L85 PathProgramCache]: Analyzing trace with hash -950820203, now seen corresponding path program 1 times [2022-04-05 04:13:05,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:05,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019265355] [2022-04-05 04:13:05,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:05,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-04-05 04:13:05,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:05,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019265355] [2022-04-05 04:13:05,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019265355] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:05,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:05,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:05,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85552132] [2022-04-05 04:13:05,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:05,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:05,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:05,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:05,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:05,822 INFO L87 Difference]: Start difference. First operand 3515 states and 4724 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:06,015 INFO L93 Difference]: Finished difference Result 3915 states and 5196 transitions. [2022-04-05 04:13:06,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:06,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 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 286 [2022-04-05 04:13:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:06,028 INFO L225 Difference]: With dead ends: 3915 [2022-04-05 04:13:06,028 INFO L226 Difference]: Without dead ends: 3915 [2022-04-05 04:13:06,028 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 [2022-04-05 04:13:06,029 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 228 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:06,029 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:06,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-04-05 04:13:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-04-05 04:13:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 3822 states have (on average 1.3312401883830456) internal successors, (5088), 3822 states have internal predecessors, (5088), 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) [2022-04-05 04:13:06,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-04-05 04:13:06,107 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 286 [2022-04-05 04:13:06,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:06,107 INFO L478 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-04-05 04:13:06,108 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:06,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-04-05 04:13:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-04-05 04:13:06,115 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:06,115 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:06,115 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-05 04:13:06,115 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:06,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2059706519, now seen corresponding path program 1 times [2022-04-05 04:13:06,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:06,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749573333] [2022-04-05 04:13:06,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:06,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-04-05 04:13:06,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:06,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749573333] [2022-04-05 04:13:06,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749573333] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:06,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:06,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:06,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280574848] [2022-04-05 04:13:06,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:06,178 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:06,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:06,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:06,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:06,179 INFO L87 Difference]: Start difference. First operand 3827 states and 5092 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:06,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:06,337 INFO L93 Difference]: Finished difference Result 4235 states and 5540 transitions. [2022-04-05 04:13:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:06,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 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 300 [2022-04-05 04:13:06,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:06,361 INFO L225 Difference]: With dead ends: 4235 [2022-04-05 04:13:06,361 INFO L226 Difference]: Without dead ends: 4235 [2022-04-05 04:13:06,361 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 [2022-04-05 04:13:06,362 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:06,362 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 192 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:06,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-04-05 04:13:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-04-05 04:13:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3942 states have (on average 1.3272450532724505) internal successors, (5232), 3942 states have internal predecessors, (5232), 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) [2022-04-05 04:13:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-04-05 04:13:06,458 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 300 [2022-04-05 04:13:06,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:06,459 INFO L478 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-04-05 04:13:06,460 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-04-05 04:13:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-04-05 04:13:06,467 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:06,468 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:06,468 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-05 04:13:06,468 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:06,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1555635516, now seen corresponding path program 1 times [2022-04-05 04:13:06,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:06,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055697944] [2022-04-05 04:13:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:06,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2022-04-05 04:13:06,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:06,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055697944] [2022-04-05 04:13:06,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055697944] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:06,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:06,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:06,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55991567] [2022-04-05 04:13:06,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:06,548 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:06,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:06,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:06,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:06,548 INFO L87 Difference]: Start difference. First operand 3947 states and 5236 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) [2022-04-05 04:13:06,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:06,714 INFO L93 Difference]: Finished difference Result 7377 states and 9839 transitions. [2022-04-05 04:13:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:06,715 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 [2022-04-05 04:13:06,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:06,730 INFO L225 Difference]: With dead ends: 7377 [2022-04-05 04:13:06,730 INFO L226 Difference]: Without dead ends: 7377 [2022-04-05 04:13:06,730 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 [2022-04-05 04:13:06,731 INFO L913 BasicCegarLoop]: 318 mSDtfsCounter, 260 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:06,732 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 325 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:06,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-04-05 04:13:06,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-04-05 04:13:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 7370 states have (on average 1.3343283582089551) internal successors, (9834), 7370 states have internal predecessors, (9834), 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) [2022-04-05 04:13:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-04-05 04:13:06,850 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 301 [2022-04-05 04:13:06,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:06,850 INFO L478 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-04-05 04:13:06,851 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) [2022-04-05 04:13:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-04-05 04:13:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-04-05 04:13:06,862 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:06,862 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:06,862 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-05 04:13:06,862 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:06,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:06,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1382037614, now seen corresponding path program 1 times [2022-04-05 04:13:06,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:06,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029032871] [2022-04-05 04:13:06,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:06,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-04-05 04:13:06,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:06,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029032871] [2022-04-05 04:13:06,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029032871] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:06,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:06,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:06,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090128671] [2022-04-05 04:13:06,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:06,929 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:06,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:06,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:06,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:06,929 INFO L87 Difference]: Start difference. First operand 7375 states and 9838 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:07,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:07,162 INFO L93 Difference]: Finished difference Result 7383 states and 9590 transitions. [2022-04-05 04:13:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:07,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 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 302 [2022-04-05 04:13:07,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:07,175 INFO L225 Difference]: With dead ends: 7383 [2022-04-05 04:13:07,175 INFO L226 Difference]: Without dead ends: 7383 [2022-04-05 04:13:07,175 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:07,177 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:07,177 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-04-05 04:13:07,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-04-05 04:13:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 7346 states have (on average 1.3005717397222978) internal successors, (9554), 7346 states have internal predecessors, (9554), 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) [2022-04-05 04:13:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-04-05 04:13:07,317 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 302 [2022-04-05 04:13:07,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:07,318 INFO L478 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-04-05 04:13:07,318 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-04-05 04:13:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-04-05 04:13:07,330 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:07,331 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:07,331 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-05 04:13:07,331 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:07,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:07,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1235253167, now seen corresponding path program 1 times [2022-04-05 04:13:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:07,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364518170] [2022-04-05 04:13:07,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 637 proven. 14 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-04-05 04:13:07,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:07,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364518170] [2022-04-05 04:13:07,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364518170] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:07,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146258058] [2022-04-05 04:13:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:07,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:07,415 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) [2022-04-05 04:13:07,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 04:13:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:07,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-05 04:13:07,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-04-05 04:13:08,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:13:08,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146258058] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:08,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:13:08,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-04-05 04:13:08,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968382629] [2022-04-05 04:13:08,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:08,055 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:13:08,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:08,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:13:08,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:13:08,056 INFO L87 Difference]: Start difference. First operand 7351 states and 9558 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:08,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:08,192 INFO L93 Difference]: Finished difference Result 7529 states and 9770 transitions. [2022-04-05 04:13:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:13:08,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 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 325 [2022-04-05 04:13:08,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:08,204 INFO L225 Difference]: With dead ends: 7529 [2022-04-05 04:13:08,204 INFO L226 Difference]: Without dead ends: 7501 [2022-04-05 04:13:08,205 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:08,206 INFO L913 BasicCegarLoop]: 150 mSDtfsCounter, 249 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:08,206 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 382 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-04-05 04:13:08,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-04-05 04:13:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7357 states, 7352 states have (on average 1.3005984766050054) internal successors, (9562), 7352 states have internal predecessors, (9562), 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) [2022-04-05 04:13:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-04-05 04:13:08,333 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 325 [2022-04-05 04:13:08,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:08,333 INFO L478 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-04-05 04:13:08,333 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-04-05 04:13:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-04-05 04:13:08,344 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:08,344 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:08,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:08,559 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,SelfDestructingSolverStorable21 [2022-04-05 04:13:08,559 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:08,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash -26358714, now seen corresponding path program 1 times [2022-04-05 04:13:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:08,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682224692] [2022-04-05 04:13:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-04-05 04:13:08,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:08,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682224692] [2022-04-05 04:13:08,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682224692] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:08,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260446697] [2022-04-05 04:13:08,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:08,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:08,641 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) [2022-04-05 04:13:08,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-05 04:13:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:08,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:13:08,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-04-05 04:13:09,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:13:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-04-05 04:13:09,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260446697] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:13:09,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:13:09,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-05 04:13:09,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203309256] [2022-04-05 04:13:09,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:13:09,576 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 04:13:09,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:09,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 04:13:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-05 04:13:09,577 INFO L87 Difference]: Start difference. First operand 7357 states and 9566 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:10,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:10,346 INFO L93 Difference]: Finished difference Result 11175 states and 14309 transitions. [2022-04-05 04:13:10,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-05 04:13:10,347 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 338 [2022-04-05 04:13:10,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:10,365 INFO L225 Difference]: With dead ends: 11175 [2022-04-05 04:13:10,365 INFO L226 Difference]: Without dead ends: 11167 [2022-04-05 04:13:10,366 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-04-05 04:13:10,366 INFO L913 BasicCegarLoop]: 379 mSDtfsCounter, 508 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:10,366 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 396 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-05 04:13:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11167 states. [2022-04-05 04:13:10,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11167 to 8461. [2022-04-05 04:13:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8461 states, 8456 states have (on average 1.3077105014191106) internal successors, (11058), 8456 states have internal predecessors, (11058), 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) [2022-04-05 04:13:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-04-05 04:13:10,495 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 338 [2022-04-05 04:13:10,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:10,496 INFO L478 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-04-05 04:13:10,496 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-04-05 04:13:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-04-05 04:13:10,509 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:10,509 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:10,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:10,725 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-04-05 04:13:10,726 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:10,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:10,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1669190455, now seen corresponding path program 2 times [2022-04-05 04:13:10,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:10,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314321860] [2022-04-05 04:13:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 714 proven. 5 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-05 04:13:10,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:10,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314321860] [2022-04-05 04:13:10,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314321860] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:10,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276391849] [2022-04-05 04:13:10,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-05 04:13:10,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:10,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:10,818 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) [2022-04-05 04:13:10,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-05 04:13:10,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-05 04:13:10,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 04:13:10,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:13:10,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-04-05 04:13:11,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:13:11,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276391849] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:11,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:13:11,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-05 04:13:11,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653177939] [2022-04-05 04:13:11,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:11,451 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:13:11,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:11,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:13:11,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:11,452 INFO L87 Difference]: Start difference. First operand 8461 states and 11062 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2022-04-05 04:13:11,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:11,575 INFO L93 Difference]: Finished difference Result 8741 states and 10822 transitions. [2022-04-05 04:13:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:13:11,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 351 [2022-04-05 04:13:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:11,588 INFO L225 Difference]: With dead ends: 8741 [2022-04-05 04:13:11,589 INFO L226 Difference]: Without dead ends: 8741 [2022-04-05 04:13:11,589 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:11,589 INFO L913 BasicCegarLoop]: 145 mSDtfsCounter, 55 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:11,590 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 225 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:11,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2022-04-05 04:13:11,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 7885. [2022-04-05 04:13:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7885 states, 7880 states have (on average 1.2571065989847716) internal successors, (9906), 7880 states have internal predecessors, (9906), 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) [2022-04-05 04:13:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 9910 transitions. [2022-04-05 04:13:11,702 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 9910 transitions. Word has length 351 [2022-04-05 04:13:11,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:11,703 INFO L478 AbstractCegarLoop]: Abstraction has 7885 states and 9910 transitions. [2022-04-05 04:13:11,703 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2022-04-05 04:13:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 9910 transitions. [2022-04-05 04:13:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-04-05 04:13:11,712 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:11,712 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-05 04:13:11,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:11,926 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:11,926 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1929982713, now seen corresponding path program 1 times [2022-04-05 04:13:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:11,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502188241] [2022-04-05 04:13:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:13:12,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:12,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502188241] [2022-04-05 04:13:12,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502188241] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:12,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701419767] [2022-04-05 04:13:12,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:12,006 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) [2022-04-05 04:13:12,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-05 04:13:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:12,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:13:12,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:13:12,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:13:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:13:13,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701419767] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:13:13,107 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:13:13,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-05 04:13:13,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544984288] [2022-04-05 04:13:13,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:13:13,108 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 04:13:13,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:13,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 04:13:13,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-05 04:13:13,108 INFO L87 Difference]: Start difference. First operand 7885 states and 9910 transitions. Second operand has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 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) [2022-04-05 04:13:13,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:13,471 INFO L93 Difference]: Finished difference Result 10034 states and 12415 transitions. [2022-04-05 04:13:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:13,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 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 382 [2022-04-05 04:13:13,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:13,536 INFO L225 Difference]: With dead ends: 10034 [2022-04-05 04:13:13,536 INFO L226 Difference]: Without dead ends: 10026 [2022-04-05 04:13:13,537 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 766 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-05 04:13:13,537 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 662 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:13,541 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [662 Valid, 237 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:13,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2022-04-05 04:13:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 8275. [2022-04-05 04:13:13,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8275 states, 8270 states have (on average 1.2538089480048367) internal successors, (10369), 8270 states have internal predecessors, (10369), 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) [2022-04-05 04:13:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 10373 transitions. [2022-04-05 04:13:13,628 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 10373 transitions. Word has length 382 [2022-04-05 04:13:13,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:13,629 INFO L478 AbstractCegarLoop]: Abstraction has 8275 states and 10373 transitions. [2022-04-05 04:13:13,629 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 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) [2022-04-05 04:13:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 10373 transitions. [2022-04-05 04:13:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-04-05 04:13:13,638 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:13,638 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:13,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:13,851 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:13,851 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1151656959, now seen corresponding path program 1 times [2022-04-05 04:13:13,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:13,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986936227] [2022-04-05 04:13:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:13,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-04-05 04:13:13,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:13,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986936227] [2022-04-05 04:13:13,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986936227] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:13,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:13,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:13,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169184102] [2022-04-05 04:13:13,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:13,932 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:13,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:13,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:13,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:13,933 INFO L87 Difference]: Start difference. First operand 8275 states and 10373 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:14,130 INFO L93 Difference]: Finished difference Result 7599 states and 9081 transitions. [2022-04-05 04:13:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:14,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 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 421 [2022-04-05 04:13:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:14,137 INFO L225 Difference]: With dead ends: 7599 [2022-04-05 04:13:14,137 INFO L226 Difference]: Without dead ends: 3859 [2022-04-05 04:13:14,138 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 [2022-04-05 04:13:14,138 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:14,139 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 195 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:14,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2022-04-05 04:13:14,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3644. [2022-04-05 04:13:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3644 states, 3639 states have (on average 1.2426490794174223) internal successors, (4522), 3639 states have internal predecessors, (4522), 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) [2022-04-05 04:13:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4526 transitions. [2022-04-05 04:13:14,173 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4526 transitions. Word has length 421 [2022-04-05 04:13:14,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:14,173 INFO L478 AbstractCegarLoop]: Abstraction has 3644 states and 4526 transitions. [2022-04-05 04:13:14,174 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4526 transitions. [2022-04-05 04:13:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-04-05 04:13:14,179 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:14,179 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 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, 1] [2022-04-05 04:13:14,180 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-05 04:13:14,180 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:14,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:14,180 INFO L85 PathProgramCache]: Analyzing trace with hash -11908213, now seen corresponding path program 1 times [2022-04-05 04:13:14,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:14,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355863642] [2022-04-05 04:13:14,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:14,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-04-05 04:13:14,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:14,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355863642] [2022-04-05 04:13:14,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355863642] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:14,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672309809] [2022-04-05 04:13:14,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:14,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:14,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:14,283 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:13:14,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-05 04:13:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:14,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:13:14,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-04-05 04:13:15,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:13:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-04-05 04:13:15,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672309809] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:13:15,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:13:15,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-05 04:13:15,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487960986] [2022-04-05 04:13:15,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:13:15,604 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-05 04:13:15,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:15,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-05 04:13:15,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:15,605 INFO L87 Difference]: Start difference. First operand 3644 states and 4526 transitions. Second operand has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 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) [2022-04-05 04:13:16,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:16,112 INFO L93 Difference]: Finished difference Result 967 states and 1137 transitions. [2022-04-05 04:13:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:16,113 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 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 488 [2022-04-05 04:13:16,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:16,113 INFO L225 Difference]: With dead ends: 967 [2022-04-05 04:13:16,113 INFO L226 Difference]: Without dead ends: 0 [2022-04-05 04:13:16,113 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-04-05 04:13:16,114 INFO L913 BasicCegarLoop]: 159 mSDtfsCounter, 324 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:16,114 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [324 Valid, 181 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-05 04:13:16,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-05 04:13:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-05 04:13:16,115 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) [2022-04-05 04:13:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-05 04:13:16,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 488 [2022-04-05 04:13:16,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:16,115 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-05 04:13:16,115 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 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) [2022-04-05 04:13:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-05 04:13:16,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-05 04:13:16,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-05 04:13:16,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:16,334 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-04-05 04:13:16,337 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:16,337 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-05 04:13:16,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:13:16 BasicIcfg [2022-04-05 04:13:16,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-05 04:13:16,340 INFO L158 Benchmark]: Toolchain (without parser) took 17168.04ms. Allocated memory was 180.4MB in the beginning and 404.8MB in the end (delta: 224.4MB). Free memory was 124.3MB in the beginning and 241.3MB in the end (delta: -117.0MB). Peak memory consumption was 107.5MB. Max. memory is 8.0GB. [2022-04-05 04:13:16,340 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 04:13:16,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.08ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 145.0MB in the end (delta: -20.9MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-04-05 04:13:16,341 INFO L158 Benchmark]: Boogie Preprocessor took 48.22ms. Allocated memory is still 180.4MB. Free memory was 145.0MB in the beginning and 142.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-05 04:13:16,341 INFO L158 Benchmark]: RCFGBuilder took 690.34ms. Allocated memory is still 180.4MB. Free memory was 142.6MB in the beginning and 117.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-04-05 04:13:16,343 INFO L158 Benchmark]: IcfgTransformer took 46.77ms. Allocated memory is still 180.4MB. Free memory was 117.4MB in the beginning and 114.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 04:13:16,343 INFO L158 Benchmark]: TraceAbstraction took 16062.38ms. Allocated memory was 180.4MB in the beginning and 404.8MB in the end (delta: 224.4MB). Free memory was 113.9MB in the beginning and 241.3MB in the end (delta: -127.4MB). Peak memory consumption was 97.4MB. Max. memory is 8.0GB. [2022-04-05 04:13:16,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 315.08ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 145.0MB in the end (delta: -20.9MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.22ms. Allocated memory is still 180.4MB. Free memory was 145.0MB in the beginning and 142.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 690.34ms. Allocated memory is still 180.4MB. Free memory was 142.6MB in the beginning and 117.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 46.77ms. Allocated memory is still 180.4MB. Free memory was 117.4MB in the beginning and 114.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 16062.38ms. Allocated memory was 180.4MB in the beginning and 404.8MB in the end (delta: 224.4MB). Free memory was 113.9MB in the beginning and 241.3MB in the end (delta: -127.4MB). Peak memory consumption was 97.4MB. 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: 560]: 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, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7179 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7177 mSDsluCounter, 6105 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 519 mSDsCounter, 672 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6508 IncrementalHoareTripleChecker+Invalid, 7180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 672 mSolverCounterUnsat, 5586 mSDtfsCounter, 6508 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3292 GetRequests, 3187 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8461occurred in iteration=23, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 6272 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 7717 NumberOfCodeBlocks, 7717 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 8890 ConstructedInterpolants, 0 QuantifiedInterpolants, 11943 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3745 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 32519/32637 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! [2022-04-05 04:13:16,371 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...