/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-05ce600 [2022-02-23 19:54:17,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-23 19:54:17,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-23 19:54:17,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-23 19:54:17,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-23 19:54:17,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-23 19:54:17,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-23 19:54:17,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-23 19:54:17,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-23 19:54:17,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-23 19:54:17,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-23 19:54:17,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-23 19:54:17,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-23 19:54:17,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-23 19:54:17,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-23 19:54:17,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-23 19:54:17,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-23 19:54:17,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-23 19:54:17,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-23 19:54:17,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-23 19:54:17,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-23 19:54:17,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-23 19:54:17,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-23 19:54:17,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-23 19:54:17,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-23 19:54:17,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-23 19:54:17,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-23 19:54:17,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-23 19:54:17,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-23 19:54:17,461 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-23 19:54:17,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-23 19:54:17,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-23 19:54:17,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-23 19:54:17,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-23 19:54:17,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-23 19:54:17,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-23 19:54:17,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-23 19:54:17,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-23 19:54:17,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-23 19:54:17,464 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-23 19:54:17,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-23 19:54:17,464 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-23 19:54:17,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-23 19:54:17,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-23 19:54:17,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-23 19:54:17,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-23 19:54:17,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-23 19:54:17,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 19:54:17,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-23 19:54:17,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-23 19:54:17,465 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-23 19:54:17,466 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-23 19:54:17,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-23 19:54:17,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-23 19:54:17,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-23 19:54:17,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-23 19:54:17,679 INFO L275 PluginConnector]: CDTParser initialized [2022-02-23 19:54:17,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-02-23 19:54:17,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecb914a7/62f3c5edc6f042b59638b30524f785e6/FLAGdaed016c0 [2022-02-23 19:54:18,110 INFO L306 CDTParser]: Found 1 translation units. [2022-02-23 19:54:18,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-02-23 19:54:18,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecb914a7/62f3c5edc6f042b59638b30524f785e6/FLAGdaed016c0 [2022-02-23 19:54:18,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecb914a7/62f3c5edc6f042b59638b30524f785e6 [2022-02-23 19:54:18,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-23 19:54:18,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-23 19:54:18,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-23 19:54:18,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-23 19:54:18,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-23 19:54:18,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98dd4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18, skipping insertion in model container [2022-02-23 19:54:18,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-23 19:54:18,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-23 19:54:18,345 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] [2022-02-23 19:54:18,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 19:54:18,357 INFO L203 MainTranslator]: Completed pre-run [2022-02-23 19:54:18,387 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] [2022-02-23 19:54:18,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 19:54:18,398 INFO L208 MainTranslator]: Completed translation [2022-02-23 19:54:18,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18 WrapperNode [2022-02-23 19:54:18,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-23 19:54:18,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-23 19:54:18,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-23 19:54:18,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-23 19:54:18,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-23 19:54:18,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-23 19:54:18,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-23 19:54:18,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-23 19:54:18,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:18,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 19:54:18,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:54:18,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-23 19:54:18,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-23 19:54:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-23 19:54:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-23 19:54:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-23 19:54:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-02-23 19:54:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-23 19:54:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-23 19:54:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-23 19:54:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-23 19:54:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-23 19:54:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-23 19:54:18,639 INFO L234 CfgBuilder]: Building ICFG [2022-02-23 19:54:18,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-23 19:54:18,724 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-23 19:54:18,984 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-02-23 19:54:18,985 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-02-23 19:54:18,991 INFO L275 CfgBuilder]: Performing block encoding [2022-02-23 19:54:18,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-23 19:54:18,997 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-23 19:54:18,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:54:18 BoogieIcfgContainer [2022-02-23 19:54:18,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-23 19:54:18,999 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-23 19:54:18,999 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-23 19:54:19,000 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-23 19:54:19,003 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:54:18" (1/1) ... [2022-02-23 19:54:19,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 07:54:19 BasicIcfg [2022-02-23 19:54:19,034 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-23 19:54:19,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-23 19:54:19,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-23 19:54:19,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-23 19:54:19,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 07:54:18" (1/4) ... [2022-02-23 19:54:19,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e317ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 07:54:19, skipping insertion in model container [2022-02-23 19:54:19,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 07:54:18" (2/4) ... [2022-02-23 19:54:19,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e317ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 07:54:19, skipping insertion in model container [2022-02-23 19:54:19,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 07:54:18" (3/4) ... [2022-02-23 19:54:19,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e317ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 07:54:19, skipping insertion in model container [2022-02-23 19:54:19,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 07:54:19" (4/4) ... [2022-02-23 19:54:19,039 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.cJordan [2022-02-23 19:54:19,042 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-23 19:54:19,043 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-23 19:54:19,071 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-23 19:54:19,075 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-23 19:54:19,076 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-23 19:54:19,087 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) [2022-02-23 19:54:19,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-23 19:54:19,094 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:19,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:54:19,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:19,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:19,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1413612036, now seen corresponding path program 1 times [2022-02-23 19:54:19,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:19,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943608098] [2022-02-23 19:54:19,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:19,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 19:54:19,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:19,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943608098] [2022-02-23 19:54:19,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943608098] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:19,309 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:19,309 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:19,310 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250250929] [2022-02-23 19:54:19,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:19,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:19,313 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:19,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:19,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:19,332 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) [2022-02-23 19:54:19,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:19,604 INFO L93 Difference]: Finished difference Result 252 states and 412 transitions. [2022-02-23 19:54:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:19,606 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 [2022-02-23 19:54:19,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:19,614 INFO L225 Difference]: With dead ends: 252 [2022-02-23 19:54:19,615 INFO L226 Difference]: Without dead ends: 219 [2022-02-23 19:54:19,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:19,622 INFO L933 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 [2022-02-23 19:54:19,623 INFO L934 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] [2022-02-23 19:54:19,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-02-23 19:54:19,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-02-23 19:54:19,659 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) [2022-02-23 19:54:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 323 transitions. [2022-02-23 19:54:19,662 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 323 transitions. Word has length 30 [2022-02-23 19:54:19,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:19,662 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 323 transitions. [2022-02-23 19:54:19,662 INFO L471 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) [2022-02-23 19:54:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-02-23 19:54:19,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-23 19:54:19,664 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:19,665 INFO L514 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] [2022-02-23 19:54:19,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-23 19:54:19,665 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:19,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:19,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1163877785, now seen corresponding path program 1 times [2022-02-23 19:54:19,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:19,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404989179] [2022-02-23 19:54:19,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:19,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 19:54:19,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:19,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404989179] [2022-02-23 19:54:19,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404989179] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:19,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:19,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:19,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637296842] [2022-02-23 19:54:19,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:19,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:19,760 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:19,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:19,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:19,760 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) [2022-02-23 19:54:19,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:19,935 INFO L93 Difference]: Finished difference Result 244 states and 356 transitions. [2022-02-23 19:54:19,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:19,935 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 [2022-02-23 19:54:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:19,940 INFO L225 Difference]: With dead ends: 244 [2022-02-23 19:54:19,940 INFO L226 Difference]: Without dead ends: 244 [2022-02-23 19:54:19,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:19,945 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:19,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-02-23 19:54:19,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2022-02-23 19:54:19,962 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) [2022-02-23 19:54:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 345 transitions. [2022-02-23 19:54:19,963 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 345 transitions. Word has length 44 [2022-02-23 19:54:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:19,963 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 345 transitions. [2022-02-23 19:54:19,964 INFO L471 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) [2022-02-23 19:54:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 345 transitions. [2022-02-23 19:54:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-23 19:54:19,965 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:19,965 INFO L514 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] [2022-02-23 19:54:19,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-23 19:54:19,966 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:19,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:19,966 INFO L85 PathProgramCache]: Analyzing trace with hash 10851448, now seen corresponding path program 1 times [2022-02-23 19:54:19,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:19,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892245867] [2022-02-23 19:54:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:19,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 19:54:20,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:20,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892245867] [2022-02-23 19:54:20,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892245867] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:20,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:20,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:20,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753685397] [2022-02-23 19:54:20,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:20,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:20,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:20,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:20,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:20,050 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) [2022-02-23 19:54:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:20,199 INFO L93 Difference]: Finished difference Result 257 states and 372 transitions. [2022-02-23 19:54:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:20,200 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 [2022-02-23 19:54:20,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:20,202 INFO L225 Difference]: With dead ends: 257 [2022-02-23 19:54:20,202 INFO L226 Difference]: Without dead ends: 257 [2022-02-23 19:54:20,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:20,208 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:20,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:20,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-02-23 19:54:20,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2022-02-23 19:54:20,222 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) [2022-02-23 19:54:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 372 transitions. [2022-02-23 19:54:20,223 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 372 transitions. Word has length 61 [2022-02-23 19:54:20,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:20,223 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 372 transitions. [2022-02-23 19:54:20,223 INFO L471 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) [2022-02-23 19:54:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 372 transitions. [2022-02-23 19:54:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-23 19:54:20,225 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:20,225 INFO L514 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] [2022-02-23 19:54:20,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-23 19:54:20,226 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:20,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2088060791, now seen corresponding path program 1 times [2022-02-23 19:54:20,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:20,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140073897] [2022-02-23 19:54:20,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:20,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-23 19:54:20,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:20,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140073897] [2022-02-23 19:54:20,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140073897] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:20,292 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:20,293 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:20,293 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961046393] [2022-02-23 19:54:20,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:20,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:20,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:20,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:20,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:20,294 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) [2022-02-23 19:54:20,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:20,475 INFO L93 Difference]: Finished difference Result 359 states and 496 transitions. [2022-02-23 19:54:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:20,475 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 [2022-02-23 19:54:20,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:20,477 INFO L225 Difference]: With dead ends: 359 [2022-02-23 19:54:20,477 INFO L226 Difference]: Without dead ends: 357 [2022-02-23 19:54:20,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:20,478 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-02-23 19:54:20,478 INFO L934 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] [2022-02-23 19:54:20,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-02-23 19:54:20,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 339. [2022-02-23 19:54:20,485 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) [2022-02-23 19:54:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 472 transitions. [2022-02-23 19:54:20,486 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 472 transitions. Word has length 61 [2022-02-23 19:54:20,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:20,487 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 472 transitions. [2022-02-23 19:54:20,487 INFO L471 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) [2022-02-23 19:54:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 472 transitions. [2022-02-23 19:54:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-23 19:54:20,489 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:20,489 INFO L514 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] [2022-02-23 19:54:20,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-23 19:54:20,489 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:20,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:20,490 INFO L85 PathProgramCache]: Analyzing trace with hash -962142024, now seen corresponding path program 1 times [2022-02-23 19:54:20,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:20,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975765789] [2022-02-23 19:54:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:20,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-23 19:54:20,546 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:20,546 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975765789] [2022-02-23 19:54:20,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975765789] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:20,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:20,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:20,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604164189] [2022-02-23 19:54:20,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:20,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:20,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:20,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:20,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:20,550 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) [2022-02-23 19:54:20,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:20,697 INFO L93 Difference]: Finished difference Result 389 states and 536 transitions. [2022-02-23 19:54:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:20,697 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 [2022-02-23 19:54:20,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:20,700 INFO L225 Difference]: With dead ends: 389 [2022-02-23 19:54:20,700 INFO L226 Difference]: Without dead ends: 389 [2022-02-23 19:54:20,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:20,703 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:20,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 194 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:20,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-02-23 19:54:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 377. [2022-02-23 19:54:20,713 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) [2022-02-23 19:54:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 520 transitions. [2022-02-23 19:54:20,715 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 520 transitions. Word has length 61 [2022-02-23 19:54:20,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:20,717 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 520 transitions. [2022-02-23 19:54:20,717 INFO L471 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) [2022-02-23 19:54:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 520 transitions. [2022-02-23 19:54:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-23 19:54:20,719 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:20,719 INFO L514 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] [2022-02-23 19:54:20,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-23 19:54:20,719 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:20,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:20,720 INFO L85 PathProgramCache]: Analyzing trace with hash -2121066996, now seen corresponding path program 1 times [2022-02-23 19:54:20,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:20,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651106870] [2022-02-23 19:54:20,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:20,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-23 19:54:20,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:20,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651106870] [2022-02-23 19:54:20,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651106870] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:20,785 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:20,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:20,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194197727] [2022-02-23 19:54:20,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:20,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:20,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:20,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:20,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:20,786 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) [2022-02-23 19:54:20,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:20,936 INFO L93 Difference]: Finished difference Result 483 states and 688 transitions. [2022-02-23 19:54:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:20,937 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 [2022-02-23 19:54:20,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:20,940 INFO L225 Difference]: With dead ends: 483 [2022-02-23 19:54:20,940 INFO L226 Difference]: Without dead ends: 481 [2022-02-23 19:54:20,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:20,943 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:20,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-02-23 19:54:20,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 455. [2022-02-23 19:54:20,957 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) [2022-02-23 19:54:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 654 transitions. [2022-02-23 19:54:20,959 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 654 transitions. Word has length 74 [2022-02-23 19:54:20,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:20,959 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 654 transitions. [2022-02-23 19:54:20,959 INFO L471 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) [2022-02-23 19:54:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 654 transitions. [2022-02-23 19:54:20,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-23 19:54:20,962 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:20,962 INFO L514 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] [2022-02-23 19:54:20,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-23 19:54:20,962 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:20,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1564650695, now seen corresponding path program 1 times [2022-02-23 19:54:20,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:20,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681139426] [2022-02-23 19:54:20,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:20,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-23 19:54:21,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:21,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681139426] [2022-02-23 19:54:21,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681139426] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:21,069 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:21,069 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:21,069 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111982074] [2022-02-23 19:54:21,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:21,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:21,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:21,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:21,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:21,070 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) [2022-02-23 19:54:21,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:21,219 INFO L93 Difference]: Finished difference Result 503 states and 713 transitions. [2022-02-23 19:54:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:21,220 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 [2022-02-23 19:54:21,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:21,222 INFO L225 Difference]: With dead ends: 503 [2022-02-23 19:54:21,222 INFO L226 Difference]: Without dead ends: 503 [2022-02-23 19:54:21,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:21,224 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:21,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:21,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-02-23 19:54:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2022-02-23 19:54:21,233 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) [2022-02-23 19:54:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 706 transitions. [2022-02-23 19:54:21,235 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 706 transitions. Word has length 78 [2022-02-23 19:54:21,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:21,236 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 706 transitions. [2022-02-23 19:54:21,236 INFO L471 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) [2022-02-23 19:54:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 706 transitions. [2022-02-23 19:54:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-23 19:54:21,237 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:21,237 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:54:21,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-23 19:54:21,237 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:21,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:21,238 INFO L85 PathProgramCache]: Analyzing trace with hash -540847427, now seen corresponding path program 1 times [2022-02-23 19:54:21,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:21,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835086463] [2022-02-23 19:54:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:21,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-23 19:54:21,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:21,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835086463] [2022-02-23 19:54:21,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835086463] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:21,302 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:21,302 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:21,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462500973] [2022-02-23 19:54:21,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:21,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:21,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:21,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:21,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:21,307 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) [2022-02-23 19:54:21,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:21,445 INFO L93 Difference]: Finished difference Result 735 states and 1044 transitions. [2022-02-23 19:54:21,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:21,446 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 [2022-02-23 19:54:21,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:21,448 INFO L225 Difference]: With dead ends: 735 [2022-02-23 19:54:21,448 INFO L226 Difference]: Without dead ends: 735 [2022-02-23 19:54:21,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:21,449 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:21,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 324 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:21,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-02-23 19:54:21,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-02-23 19:54:21,458 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) [2022-02-23 19:54:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-02-23 19:54:21,460 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-02-23 19:54:21,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:21,460 INFO L470 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-02-23 19:54:21,460 INFO L471 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) [2022-02-23 19:54:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-02-23 19:54:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-02-23 19:54:21,462 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:21,462 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:54:21,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-23 19:54:21,462 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:21,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:21,463 INFO L85 PathProgramCache]: Analyzing trace with hash -700282458, now seen corresponding path program 1 times [2022-02-23 19:54:21,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:21,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268448828] [2022-02-23 19:54:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-02-23 19:54:21,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:21,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268448828] [2022-02-23 19:54:21,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268448828] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:21,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:21,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:21,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363869755] [2022-02-23 19:54:21,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:21,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:21,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:21,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:21,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:21,496 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) [2022-02-23 19:54:21,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:21,637 INFO L93 Difference]: Finished difference Result 975 states and 1389 transitions. [2022-02-23 19:54:21,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:21,638 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 [2022-02-23 19:54:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:21,641 INFO L225 Difference]: With dead ends: 975 [2022-02-23 19:54:21,641 INFO L226 Difference]: Without dead ends: 975 [2022-02-23 19:54:21,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:21,642 INFO L933 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 [2022-02-23 19:54:21,642 INFO L934 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] [2022-02-23 19:54:21,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-02-23 19:54:21,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-02-23 19:54:21,653 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) [2022-02-23 19:54:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-02-23 19:54:21,655 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-02-23 19:54:21,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:21,655 INFO L470 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-02-23 19:54:21,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:54:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-02-23 19:54:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-02-23 19:54:21,657 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:21,657 INFO L514 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] [2022-02-23 19:54:21,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-23 19:54:21,658 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:21,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:21,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1475386212, now seen corresponding path program 1 times [2022-02-23 19:54:21,658 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:21,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267475936] [2022-02-23 19:54:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:21,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,691 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-02-23 19:54:21,691 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:21,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267475936] [2022-02-23 19:54:21,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267475936] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:21,691 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:21,691 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:21,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563622504] [2022-02-23 19:54:21,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:21,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:21,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:21,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:21,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:21,692 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) [2022-02-23 19:54:21,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:21,847 INFO L93 Difference]: Finished difference Result 1179 states and 1685 transitions. [2022-02-23 19:54:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:21,848 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 [2022-02-23 19:54:21,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:21,851 INFO L225 Difference]: With dead ends: 1179 [2022-02-23 19:54:21,851 INFO L226 Difference]: Without dead ends: 1171 [2022-02-23 19:54:21,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:21,852 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:21,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 204 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:21,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-02-23 19:54:21,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-02-23 19:54:21,865 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) [2022-02-23 19:54:21,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-02-23 19:54:21,868 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 140 [2022-02-23 19:54:21,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:21,868 INFO L470 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-02-23 19:54:21,868 INFO L471 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) [2022-02-23 19:54:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-02-23 19:54:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-02-23 19:54:21,870 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:21,871 INFO L514 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] [2022-02-23 19:54:21,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-23 19:54:21,871 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:21,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:21,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1543242522, now seen corresponding path program 1 times [2022-02-23 19:54:21,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:21,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157980193] [2022-02-23 19:54:21,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:21,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-02-23 19:54:21,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:21,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157980193] [2022-02-23 19:54:21,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157980193] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:21,925 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:21,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:21,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964068456] [2022-02-23 19:54:21,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:21,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:21,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:21,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:21,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:21,927 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) [2022-02-23 19:54:22,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:22,068 INFO L93 Difference]: Finished difference Result 1237 states and 1755 transitions. [2022-02-23 19:54:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:22,068 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 [2022-02-23 19:54:22,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:22,072 INFO L225 Difference]: With dead ends: 1237 [2022-02-23 19:54:22,072 INFO L226 Difference]: Without dead ends: 1237 [2022-02-23 19:54:22,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:22,072 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:22,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:22,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-02-23 19:54:22,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-02-23 19:54:22,087 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) [2022-02-23 19:54:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-02-23 19:54:22,090 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 176 [2022-02-23 19:54:22,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:22,090 INFO L470 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-02-23 19:54:22,090 INFO L471 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) [2022-02-23 19:54:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-02-23 19:54:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-23 19:54:22,092 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:22,092 INFO L514 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] [2022-02-23 19:54:22,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-23 19:54:22,093 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:22,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:22,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1697427602, now seen corresponding path program 1 times [2022-02-23 19:54:22,095 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:22,095 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81620186] [2022-02-23 19:54:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-02-23 19:54:22,149 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:22,149 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81620186] [2022-02-23 19:54:22,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81620186] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:22,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:22,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:22,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915248541] [2022-02-23 19:54:22,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:22,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:22,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:22,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:22,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:22,151 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) [2022-02-23 19:54:22,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:22,293 INFO L93 Difference]: Finished difference Result 1335 states and 1877 transitions. [2022-02-23 19:54:22,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:22,293 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 [2022-02-23 19:54:22,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:22,297 INFO L225 Difference]: With dead ends: 1335 [2022-02-23 19:54:22,297 INFO L226 Difference]: Without dead ends: 1335 [2022-02-23 19:54:22,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:22,298 INFO L933 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 [2022-02-23 19:54:22,298 INFO L934 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] [2022-02-23 19:54:22,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-02-23 19:54:22,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-02-23 19:54:22,334 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) [2022-02-23 19:54:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-02-23 19:54:22,337 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 197 [2022-02-23 19:54:22,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:22,337 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-02-23 19:54:22,337 INFO L471 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) [2022-02-23 19:54:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-02-23 19:54:22,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-23 19:54:22,339 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:22,340 INFO L514 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] [2022-02-23 19:54:22,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-23 19:54:22,340 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:22,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:22,340 INFO L85 PathProgramCache]: Analyzing trace with hash 413683819, now seen corresponding path program 1 times [2022-02-23 19:54:22,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:22,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645053696] [2022-02-23 19:54:22,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:22,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-02-23 19:54:22,390 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:22,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645053696] [2022-02-23 19:54:22,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645053696] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:22,390 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:22,390 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:22,390 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848283623] [2022-02-23 19:54:22,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:22,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:22,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:22,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:22,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:22,391 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) [2022-02-23 19:54:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:22,542 INFO L93 Difference]: Finished difference Result 1443 states and 2001 transitions. [2022-02-23 19:54:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:22,543 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 [2022-02-23 19:54:22,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:22,547 INFO L225 Difference]: With dead ends: 1443 [2022-02-23 19:54:22,547 INFO L226 Difference]: Without dead ends: 1443 [2022-02-23 19:54:22,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:22,548 INFO L933 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 [2022-02-23 19:54:22,548 INFO L934 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] [2022-02-23 19:54:22,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-02-23 19:54:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-02-23 19:54:22,563 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) [2022-02-23 19:54:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-02-23 19:54:22,566 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 221 [2022-02-23 19:54:22,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:22,566 INFO L470 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-02-23 19:54:22,567 INFO L471 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) [2022-02-23 19:54:22,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-02-23 19:54:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-02-23 19:54:22,569 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:22,569 INFO L514 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] [2022-02-23 19:54:22,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-23 19:54:22,570 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:22,570 INFO L85 PathProgramCache]: Analyzing trace with hash 929204268, now seen corresponding path program 1 times [2022-02-23 19:54:22,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:22,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133858247] [2022-02-23 19:54:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-02-23 19:54:22,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:22,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133858247] [2022-02-23 19:54:22,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133858247] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:22,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:22,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:22,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670463000] [2022-02-23 19:54:22,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:22,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:22,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:22,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:22,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:22,627 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) [2022-02-23 19:54:22,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:22,780 INFO L93 Difference]: Finished difference Result 1571 states and 2153 transitions. [2022-02-23 19:54:22,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:22,780 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 [2022-02-23 19:54:22,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:22,784 INFO L225 Difference]: With dead ends: 1571 [2022-02-23 19:54:22,784 INFO L226 Difference]: Without dead ends: 1571 [2022-02-23 19:54:22,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:22,785 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:22,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:22,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-02-23 19:54:22,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-02-23 19:54:22,803 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) [2022-02-23 19:54:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-02-23 19:54:22,807 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 221 [2022-02-23 19:54:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:22,807 INFO L470 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-02-23 19:54:22,807 INFO L471 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) [2022-02-23 19:54:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-02-23 19:54:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-02-23 19:54:22,810 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:22,810 INFO L514 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] [2022-02-23 19:54:22,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-23 19:54:22,810 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:22,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:22,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1406706202, now seen corresponding path program 1 times [2022-02-23 19:54:22,811 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:22,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281639703] [2022-02-23 19:54:22,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-02-23 19:54:22,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:22,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281639703] [2022-02-23 19:54:22,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281639703] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:22,873 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:22,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:22,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107803243] [2022-02-23 19:54:22,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:22,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:22,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:22,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:22,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:22,874 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) [2022-02-23 19:54:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:23,013 INFO L93 Difference]: Finished difference Result 3101 states and 4249 transitions. [2022-02-23 19:54:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:23,014 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 [2022-02-23 19:54:23,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:23,022 INFO L225 Difference]: With dead ends: 3101 [2022-02-23 19:54:23,022 INFO L226 Difference]: Without dead ends: 3101 [2022-02-23 19:54:23,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:23,024 INFO L933 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 [2022-02-23 19:54:23,024 INFO L934 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] [2022-02-23 19:54:23,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-02-23 19:54:23,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-02-23 19:54:23,062 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) [2022-02-23 19:54:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-02-23 19:54:23,070 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 251 [2022-02-23 19:54:23,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:23,070 INFO L470 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-02-23 19:54:23,070 INFO L471 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) [2022-02-23 19:54:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-02-23 19:54:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-02-23 19:54:23,074 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:23,075 INFO L514 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] [2022-02-23 19:54:23,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-23 19:54:23,075 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:23,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1922226651, now seen corresponding path program 1 times [2022-02-23 19:54:23,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:23,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8258828] [2022-02-23 19:54:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:23,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-02-23 19:54:23,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:23,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8258828] [2022-02-23 19:54:23,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8258828] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:23,126 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:23,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:23,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607626628] [2022-02-23 19:54:23,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:23,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:23,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:23,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:23,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:23,127 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) [2022-02-23 19:54:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:23,296 INFO L93 Difference]: Finished difference Result 3399 states and 4588 transitions. [2022-02-23 19:54:23,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:23,297 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 [2022-02-23 19:54:23,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:23,305 INFO L225 Difference]: With dead ends: 3399 [2022-02-23 19:54:23,306 INFO L226 Difference]: Without dead ends: 3399 [2022-02-23 19:54:23,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:23,306 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:23,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:23,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-02-23 19:54:23,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-02-23 19:54:23,358 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) [2022-02-23 19:54:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-02-23 19:54:23,364 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 251 [2022-02-23 19:54:23,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:23,364 INFO L470 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-02-23 19:54:23,364 INFO L471 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) [2022-02-23 19:54:23,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-02-23 19:54:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-02-23 19:54:23,369 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:23,369 INFO L514 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] [2022-02-23 19:54:23,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-23 19:54:23,370 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:23,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1671940338, now seen corresponding path program 1 times [2022-02-23 19:54:23,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:23,370 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135243674] [2022-02-23 19:54:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-02-23 19:54:23,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:23,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135243674] [2022-02-23 19:54:23,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135243674] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:23,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:23,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:23,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661850604] [2022-02-23 19:54:23,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:23,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:23,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:23,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:23,413 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) [2022-02-23 19:54:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:23,573 INFO L93 Difference]: Finished difference Result 3531 states and 4740 transitions. [2022-02-23 19:54:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:23,573 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 [2022-02-23 19:54:23,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:23,582 INFO L225 Difference]: With dead ends: 3531 [2022-02-23 19:54:23,583 INFO L226 Difference]: Without dead ends: 3531 [2022-02-23 19:54:23,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:23,584 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:23,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-02-23 19:54:23,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-02-23 19:54:23,627 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) [2022-02-23 19:54:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-02-23 19:54:23,633 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 275 [2022-02-23 19:54:23,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:23,634 INFO L470 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-02-23 19:54:23,634 INFO L471 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) [2022-02-23 19:54:23,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-02-23 19:54:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-02-23 19:54:23,639 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:23,640 INFO L514 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] [2022-02-23 19:54:23,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-23 19:54:23,640 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:23,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:23,640 INFO L85 PathProgramCache]: Analyzing trace with hash -950820203, now seen corresponding path program 1 times [2022-02-23 19:54:23,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:23,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463120540] [2022-02-23 19:54:23,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:23,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,689 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-02-23 19:54:23,689 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:23,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463120540] [2022-02-23 19:54:23,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463120540] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:23,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:23,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:23,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713481864] [2022-02-23 19:54:23,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:23,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:23,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:23,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:23,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:23,690 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) [2022-02-23 19:54:23,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:23,858 INFO L93 Difference]: Finished difference Result 3915 states and 5196 transitions. [2022-02-23 19:54:23,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:23,859 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 [2022-02-23 19:54:23,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:23,869 INFO L225 Difference]: With dead ends: 3915 [2022-02-23 19:54:23,869 INFO L226 Difference]: Without dead ends: 3915 [2022-02-23 19:54:23,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:23,870 INFO L933 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:23,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:23,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-02-23 19:54:23,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-02-23 19:54:23,932 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) [2022-02-23 19:54:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-02-23 19:54:23,939 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 286 [2022-02-23 19:54:23,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:23,939 INFO L470 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-02-23 19:54:23,940 INFO L471 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) [2022-02-23 19:54:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-02-23 19:54:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-02-23 19:54:23,946 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:23,946 INFO L514 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] [2022-02-23 19:54:23,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-23 19:54:23,946 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:23,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:23,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2059706519, now seen corresponding path program 1 times [2022-02-23 19:54:23,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:23,947 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252755938] [2022-02-23 19:54:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-02-23 19:54:23,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:23,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252755938] [2022-02-23 19:54:23,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252755938] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:23,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:23,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:23,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304549332] [2022-02-23 19:54:23,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:23,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:23,996 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:23,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:23,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:23,996 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) [2022-02-23 19:54:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:24,152 INFO L93 Difference]: Finished difference Result 4235 states and 5540 transitions. [2022-02-23 19:54:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:24,153 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 [2022-02-23 19:54:24,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:24,174 INFO L225 Difference]: With dead ends: 4235 [2022-02-23 19:54:24,175 INFO L226 Difference]: Without dead ends: 4235 [2022-02-23 19:54:24,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:24,175 INFO L933 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 [2022-02-23 19:54:24,175 INFO L934 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] [2022-02-23 19:54:24,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-02-23 19:54:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-02-23 19:54:24,227 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) [2022-02-23 19:54:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-02-23 19:54:24,234 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 300 [2022-02-23 19:54:24,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:24,234 INFO L470 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-02-23 19:54:24,234 INFO L471 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) [2022-02-23 19:54:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-02-23 19:54:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-02-23 19:54:24,241 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:24,241 INFO L514 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] [2022-02-23 19:54:24,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-23 19:54:24,241 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:24,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:24,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1555635516, now seen corresponding path program 1 times [2022-02-23 19:54:24,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:24,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85473911] [2022-02-23 19:54:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:24,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2022-02-23 19:54:24,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:24,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85473911] [2022-02-23 19:54:24,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85473911] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:24,295 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:24,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:24,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411948634] [2022-02-23 19:54:24,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:24,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:24,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:24,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:24,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:24,296 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) [2022-02-23 19:54:24,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:24,448 INFO L93 Difference]: Finished difference Result 7377 states and 9839 transitions. [2022-02-23 19:54:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:24,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 301 [2022-02-23 19:54:24,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:24,460 INFO L225 Difference]: With dead ends: 7377 [2022-02-23 19:54:24,461 INFO L226 Difference]: Without dead ends: 7377 [2022-02-23 19:54:24,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:24,462 INFO L933 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 [2022-02-23 19:54:24,462 INFO L934 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] [2022-02-23 19:54:24,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-02-23 19:54:24,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-02-23 19:54:24,549 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) [2022-02-23 19:54:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-02-23 19:54:24,560 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 301 [2022-02-23 19:54:24,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:24,561 INFO L470 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-02-23 19:54:24,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-23 19:54:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-02-23 19:54:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-02-23 19:54:24,569 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:24,570 INFO L514 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] [2022-02-23 19:54:24,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-23 19:54:24,570 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:24,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:24,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1382037614, now seen corresponding path program 1 times [2022-02-23 19:54:24,571 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:24,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654480619] [2022-02-23 19:54:24,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-02-23 19:54:24,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:24,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654480619] [2022-02-23 19:54:24,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654480619] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:24,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:24,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:24,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751814977] [2022-02-23 19:54:24,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:24,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:24,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:24,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:24,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:24,626 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) [2022-02-23 19:54:24,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:24,797 INFO L93 Difference]: Finished difference Result 7383 states and 9590 transitions. [2022-02-23 19:54:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:24,797 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 [2022-02-23 19:54:24,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:24,809 INFO L225 Difference]: With dead ends: 7383 [2022-02-23 19:54:24,809 INFO L226 Difference]: Without dead ends: 7383 [2022-02-23 19:54:24,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:24,811 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:24,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:24,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-02-23 19:54:24,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-02-23 19:54:24,894 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) [2022-02-23 19:54:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-02-23 19:54:24,946 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 302 [2022-02-23 19:54:24,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:24,947 INFO L470 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-02-23 19:54:24,947 INFO L471 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) [2022-02-23 19:54:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-02-23 19:54:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-02-23 19:54:24,956 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:24,956 INFO L514 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] [2022-02-23 19:54:24,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-23 19:54:24,957 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:24,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1235253167, now seen corresponding path program 1 times [2022-02-23 19:54:24,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:24,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8990607] [2022-02-23 19:54:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 637 proven. 14 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-02-23 19:54:25,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:25,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8990607] [2022-02-23 19:54:25,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8990607] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 19:54:25,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866906163] [2022-02-23 19:54:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:25,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:54:25,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:54:25,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 19:54:25,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-23 19:54:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:25,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-23 19:54:25,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 19:54:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-02-23 19:54:25,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-23 19:54:25,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866906163] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:25,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-23 19:54:25,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-02-23 19:54:25,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371100559] [2022-02-23 19:54:25,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:25,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-23 19:54:25,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:25,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-23 19:54:25,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-23 19:54:25,566 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) [2022-02-23 19:54:25,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:25,681 INFO L93 Difference]: Finished difference Result 7529 states and 9770 transitions. [2022-02-23 19:54:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 19:54:25,682 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 [2022-02-23 19:54:25,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:25,694 INFO L225 Difference]: With dead ends: 7529 [2022-02-23 19:54:25,694 INFO L226 Difference]: Without dead ends: 7501 [2022-02-23 19:54:25,694 INFO L932 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 [2022-02-23 19:54:25,695 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 249 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:25,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 384 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-23 19:54:25,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-02-23 19:54:25,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-02-23 19:54:25,770 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) [2022-02-23 19:54:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-02-23 19:54:25,779 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 325 [2022-02-23 19:54:25,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:25,779 INFO L470 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-02-23 19:54:25,779 INFO L471 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) [2022-02-23 19:54:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-02-23 19:54:25,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-02-23 19:54:25,788 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:25,788 INFO L514 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] [2022-02-23 19:54:25,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-23 19:54:26,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-02-23 19:54:26,004 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:26,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:26,004 INFO L85 PathProgramCache]: Analyzing trace with hash -26358714, now seen corresponding path program 1 times [2022-02-23 19:54:26,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:26,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666925541] [2022-02-23 19:54:26,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:26,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:26,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-02-23 19:54:26,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:26,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666925541] [2022-02-23 19:54:26,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666925541] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 19:54:26,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043018114] [2022-02-23 19:54:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:26,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:54:26,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:54:26,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 19:54:26,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-23 19:54:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:26,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-23 19:54:26,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 19:54:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-02-23 19:54:26,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 19:54:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-02-23 19:54:27,028 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043018114] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 19:54:27,028 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 19:54:27,028 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-02-23 19:54:27,028 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696929292] [2022-02-23 19:54:27,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 19:54:27,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-23 19:54:27,029 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:27,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-23 19:54:27,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-23 19:54:27,029 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) [2022-02-23 19:54:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:27,610 INFO L93 Difference]: Finished difference Result 11175 states and 14309 transitions. [2022-02-23 19:54:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-23 19:54:27,611 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 [2022-02-23 19:54:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:27,627 INFO L225 Difference]: With dead ends: 11175 [2022-02-23 19:54:27,627 INFO L226 Difference]: Without dead ends: 11167 [2022-02-23 19:54:27,627 INFO L932 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 [2022-02-23 19:54:27,628 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 508 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:27,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 396 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-23 19:54:27,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11167 states. [2022-02-23 19:54:27,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11167 to 8461. [2022-02-23 19:54:27,714 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) [2022-02-23 19:54:27,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-02-23 19:54:27,725 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 338 [2022-02-23 19:54:27,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:27,725 INFO L470 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-02-23 19:54:27,726 INFO L471 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) [2022-02-23 19:54:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-02-23 19:54:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-02-23 19:54:27,734 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:27,734 INFO L514 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] [2022-02-23 19:54:27,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-23 19:54:27,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-02-23 19:54:27,952 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:27,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:27,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1669190455, now seen corresponding path program 2 times [2022-02-23 19:54:27,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:27,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614018628] [2022-02-23 19:54:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:27,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 714 proven. 5 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-02-23 19:54:28,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:28,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614018628] [2022-02-23 19:54:28,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614018628] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 19:54:28,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356543049] [2022-02-23 19:54:28,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-23 19:54:28,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:54:28,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:54:28,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 19:54:28,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-23 19:54:28,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-23 19:54:28,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-23 19:54:28,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-23 19:54:28,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 19:54:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-02-23 19:54:28,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-23 19:54:28,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356543049] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:28,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-23 19:54:28,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-23 19:54:28,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178277769] [2022-02-23 19:54:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:28,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-23 19:54:28,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:28,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-23 19:54:28,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-23 19:54:28,505 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) [2022-02-23 19:54:28,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:28,608 INFO L93 Difference]: Finished difference Result 8741 states and 10822 transitions. [2022-02-23 19:54:28,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-23 19:54:28,609 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 [2022-02-23 19:54:28,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:28,621 INFO L225 Difference]: With dead ends: 8741 [2022-02-23 19:54:28,621 INFO L226 Difference]: Without dead ends: 8741 [2022-02-23 19:54:28,621 INFO L932 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 [2022-02-23 19:54:28,622 INFO L933 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 [2022-02-23 19:54:28,622 INFO L934 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] [2022-02-23 19:54:28,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2022-02-23 19:54:28,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 7885. [2022-02-23 19:54:28,698 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) [2022-02-23 19:54:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 9910 transitions. [2022-02-23 19:54:28,709 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 9910 transitions. Word has length 351 [2022-02-23 19:54:28,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:28,709 INFO L470 AbstractCegarLoop]: Abstraction has 7885 states and 9910 transitions. [2022-02-23 19:54:28,710 INFO L471 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) [2022-02-23 19:54:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 9910 transitions. [2022-02-23 19:54:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-02-23 19:54:28,716 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:28,717 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 19:54:28,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-23 19:54:28,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:54:28,928 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:28,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:28,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1929982713, now seen corresponding path program 1 times [2022-02-23 19:54:28,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:28,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253125405] [2022-02-23 19:54:28,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:28,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-02-23 19:54:28,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:28,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253125405] [2022-02-23 19:54:28,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253125405] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 19:54:28,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519356819] [2022-02-23 19:54:28,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:28,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:54:28,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:54:28,990 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-23 19:54:28,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-23 19:54:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:29,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-23 19:54:29,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 19:54:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-02-23 19:54:29,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 19:54:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-02-23 19:54:29,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519356819] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 19:54:29,882 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 19:54:29,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-02-23 19:54:29,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398643330] [2022-02-23 19:54:29,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 19:54:29,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-23 19:54:29,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:29,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-23 19:54:29,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-23 19:54:29,883 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) [2022-02-23 19:54:30,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:30,247 INFO L93 Difference]: Finished difference Result 10034 states and 12415 transitions. [2022-02-23 19:54:30,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-23 19:54:30,248 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 [2022-02-23 19:54:30,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:30,264 INFO L225 Difference]: With dead ends: 10034 [2022-02-23 19:54:30,264 INFO L226 Difference]: Without dead ends: 10026 [2022-02-23 19:54:30,264 INFO L932 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 [2022-02-23 19:54:30,265 INFO L933 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 [2022-02-23 19:54:30,265 INFO L934 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] [2022-02-23 19:54:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2022-02-23 19:54:30,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 8275. [2022-02-23 19:54:30,357 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) [2022-02-23 19:54:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 10373 transitions. [2022-02-23 19:54:30,370 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 10373 transitions. Word has length 382 [2022-02-23 19:54:30,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:30,370 INFO L470 AbstractCegarLoop]: Abstraction has 8275 states and 10373 transitions. [2022-02-23 19:54:30,370 INFO L471 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) [2022-02-23 19:54:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 10373 transitions. [2022-02-23 19:54:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-02-23 19:54:30,379 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:30,379 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-02-23 19:54:30,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-23 19:54:30,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:54:30,599 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:30,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:30,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1151656959, now seen corresponding path program 1 times [2022-02-23 19:54:30,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:30,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675966308] [2022-02-23 19:54:30,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:30,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:30,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-02-23 19:54:30,668 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:30,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675966308] [2022-02-23 19:54:30,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675966308] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 19:54:30,668 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 19:54:30,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 19:54:30,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728131542] [2022-02-23 19:54:30,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 19:54:30,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 19:54:30,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:30,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 19:54:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 19:54:30,670 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) [2022-02-23 19:54:30,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:30,848 INFO L93 Difference]: Finished difference Result 7599 states and 9081 transitions. [2022-02-23 19:54:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-23 19:54:30,849 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 [2022-02-23 19:54:30,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:30,854 INFO L225 Difference]: With dead ends: 7599 [2022-02-23 19:54:30,854 INFO L226 Difference]: Without dead ends: 3859 [2022-02-23 19:54:30,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 19:54:30,854 INFO L933 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 [2022-02-23 19:54:30,855 INFO L934 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] [2022-02-23 19:54:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2022-02-23 19:54:30,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3644. [2022-02-23 19:54:30,880 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) [2022-02-23 19:54:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4526 transitions. [2022-02-23 19:54:30,884 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4526 transitions. Word has length 421 [2022-02-23 19:54:30,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:30,884 INFO L470 AbstractCegarLoop]: Abstraction has 3644 states and 4526 transitions. [2022-02-23 19:54:30,884 INFO L471 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) [2022-02-23 19:54:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4526 transitions. [2022-02-23 19:54:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-02-23 19:54:30,889 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 19:54:30,889 INFO L514 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] [2022-02-23 19:54:30,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-23 19:54:30,889 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 19:54:30,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 19:54:30,889 INFO L85 PathProgramCache]: Analyzing trace with hash -11908213, now seen corresponding path program 1 times [2022-02-23 19:54:30,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 19:54:30,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16397761] [2022-02-23 19:54:30,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 19:54:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 19:54:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-02-23 19:54:30,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 19:54:30,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16397761] [2022-02-23 19:54:30,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16397761] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-23 19:54:30,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805797204] [2022-02-23 19:54:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 19:54:30,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-23 19:54:30,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 19:54:30,949 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) [2022-02-23 19:54:30,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-23 19:54:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 19:54:31,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-23 19:54:31,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-23 19:54:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-02-23 19:54:31,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-23 19:54:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-02-23 19:54:32,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805797204] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-23 19:54:32,102 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-23 19:54:32,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-02-23 19:54:32,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986233802] [2022-02-23 19:54:32,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-23 19:54:32,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-23 19:54:32,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 19:54:32,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-23 19:54:32,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-23 19:54:32,103 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) [2022-02-23 19:54:32,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 19:54:32,545 INFO L93 Difference]: Finished difference Result 967 states and 1137 transitions. [2022-02-23 19:54:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-23 19:54:32,546 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 [2022-02-23 19:54:32,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 19:54:32,546 INFO L225 Difference]: With dead ends: 967 [2022-02-23 19:54:32,546 INFO L226 Difference]: Without dead ends: 0 [2022-02-23 19:54:32,546 INFO L932 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 [2022-02-23 19:54:32,547 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 324 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-23 19:54:32,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [324 Valid, 181 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-23 19:54:32,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-23 19:54:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-23 19:54:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-23 19:54:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-23 19:54:32,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 488 [2022-02-23 19:54:32,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 19:54:32,548 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-23 19:54:32,548 INFO L471 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) [2022-02-23 19:54:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-23 19:54:32,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-23 19:54:32,550 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-23 19:54:32,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-23 19:54:32,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-02-23 19:54:32,770 INFO L732 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] [2022-02-23 19:54:32,771 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-23 19:54:32,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 07:54:32 BasicIcfg [2022-02-23 19:54:32,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-23 19:54:32,773 INFO L158 Benchmark]: Toolchain (without parser) took 14636.99ms. Allocated memory was 256.9MB in the beginning and 584.1MB in the end (delta: 327.2MB). Free memory was 202.0MB in the beginning and 517.8MB in the end (delta: -315.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-23 19:54:32,773 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 256.9MB. Free memory is still 219.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-23 19:54:32,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.89ms. Allocated memory was 256.9MB in the beginning and 373.3MB in the end (delta: 116.4MB). Free memory was 201.8MB in the beginning and 341.2MB in the end (delta: -139.4MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-02-23 19:54:32,774 INFO L158 Benchmark]: Boogie Preprocessor took 56.45ms. Allocated memory is still 373.3MB. Free memory was 341.2MB in the beginning and 338.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-23 19:54:32,774 INFO L158 Benchmark]: RCFGBuilder took 538.42ms. Allocated memory is still 373.3MB. Free memory was 338.6MB in the beginning and 312.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-02-23 19:54:32,774 INFO L158 Benchmark]: IcfgTransformer took 34.53ms. Allocated memory is still 373.3MB. Free memory was 312.3MB in the beginning and 309.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-23 19:54:32,774 INFO L158 Benchmark]: TraceAbstraction took 13737.65ms. Allocated memory was 373.3MB in the beginning and 584.1MB in the end (delta: 210.8MB). Free memory was 308.7MB in the beginning and 517.8MB in the end (delta: -209.1MB). Peak memory consumption was 2.7MB. Max. memory is 8.0GB. [2022-02-23 19:54:32,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 256.9MB. Free memory is still 219.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.89ms. Allocated memory was 256.9MB in the beginning and 373.3MB in the end (delta: 116.4MB). Free memory was 201.8MB in the beginning and 341.2MB in the end (delta: -139.4MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.45ms. Allocated memory is still 373.3MB. Free memory was 341.2MB in the beginning and 338.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 538.42ms. Allocated memory is still 373.3MB. Free memory was 338.6MB in the beginning and 312.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * IcfgTransformer took 34.53ms. Allocated memory is still 373.3MB. Free memory was 312.3MB in the beginning and 309.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 13737.65ms. Allocated memory was 373.3MB in the beginning and 584.1MB in the end (delta: 210.8MB). Free memory was 308.7MB in the beginning and 517.8MB in the end (delta: -209.1MB). Peak memory consumption was 2.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 13.7s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7179 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7177 mSDsluCounter, 6107 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 672 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6506 IncrementalHoareTripleChecker+Invalid, 7178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 672 mSolverCounterUnsat, 5586 mSDtfsCounter, 6506 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, 0.3s 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: 1.1s AutomataMinimizationTime, 27 MinimizatonAttempts, 6272 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.5s 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! [2022-02-23 19:54:32,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...