/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_srvr_6.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 04:13:35,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 04:13:35,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 04:13:35,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 04:13:35,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 04:13:35,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 04:13:35,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 04:13:35,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 04:13:35,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 04:13:35,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 04:13:35,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 04:13:35,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 04:13:35,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 04:13:35,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 04:13:35,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 04:13:35,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 04:13:35,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 04:13:35,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 04:13:35,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 04:13:35,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 04:13:35,425 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 04:13:35,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 04:13:35,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 04:13:35,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 04:13:35,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 04:13:35,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-05 04:13:35,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 04:13:35,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 04:13:35,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 04:13:35,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 04:13:35,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 04:13:35,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 04:13:35,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 04:13:35,468 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 04:13:35,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 04:13:35,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 04:13:35,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 04:13:35,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 04:13:35,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 04:13:35,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 04:13:35,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:13:35,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 04:13:35,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 04:13:35,471 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 04:13:35,471 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 04:13:35,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 04:13:35,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 04:13:35,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 04:13:35,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 04:13:35,660 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 04:13:35,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-2.c [2022-04-05 04:13:35,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2ccce55/e14de47c36094756afc038f0664be5bd/FLAG6e5a6b498 [2022-04-05 04:13:36,143 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 04:13:36,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-2.c [2022-04-05 04:13:36,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2ccce55/e14de47c36094756afc038f0664be5bd/FLAG6e5a6b498 [2022-04-05 04:13:36,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2ccce55/e14de47c36094756afc038f0664be5bd [2022-04-05 04:13:36,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 04:13:36,161 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 04:13:36,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 04:13:36,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 04:13:36,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 04:13:36,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddce03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36, skipping insertion in model container [2022-04-05 04:13:36,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 04:13:36,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 04:13:36,370 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_srvr_6.cil-2.c[48455,48468] [2022-04-05 04:13:36,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:13:36,386 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 04:13:36,456 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_srvr_6.cil-2.c[48455,48468] [2022-04-05 04:13:36,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:13:36,478 INFO L208 MainTranslator]: Completed translation [2022-04-05 04:13:36,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36 WrapperNode [2022-04-05 04:13:36,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 04:13:36,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 04:13:36,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 04:13:36,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 04:13:36,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 04:13:36,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 04:13:36,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 04:13:36,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 04:13:36,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (1/1) ... [2022-04-05 04:13:36,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:13:36,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:36,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-05 04:13:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 04:13:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 04:13:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 04:13:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-05 04:13:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 04:13:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 04:13:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 04:13:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 04:13:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 04:13:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-05 04:13:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 04:13:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-05 04:13:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-05 04:13:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 04:13:36,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-05 04:13:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 04:13:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 04:13:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 04:13:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 04:13:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 04:13:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 04:13:36,719 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 04:13:36,720 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 04:13:36,791 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 04:13:37,082 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-04-05 04:13:37,083 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-04-05 04:13:37,088 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 04:13:37,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 04:13:37,094 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 04:13:37,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:13:37 BoogieIcfgContainer [2022-04-05 04:13:37,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 04:13:37,096 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 04:13:37,096 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 04:13:37,097 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 04:13:37,100 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:13:37" (1/1) ... [2022-04-05 04:13:37,101 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 04:13:37,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:13:37 BasicIcfg [2022-04-05 04:13:37,148 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 04:13:37,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 04:13:37,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 04:13:37,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 04:13:37,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:13:36" (1/4) ... [2022-04-05 04:13:37,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e262e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:13:37, skipping insertion in model container [2022-04-05 04:13:37,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:13:36" (2/4) ... [2022-04-05 04:13:37,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e262e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:13:37, skipping insertion in model container [2022-04-05 04:13:37,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:13:37" (3/4) ... [2022-04-05 04:13:37,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e262e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:13:37, skipping insertion in model container [2022-04-05 04:13:37,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:13:37" (4/4) ... [2022-04-05 04:13:37,157 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-2.cJordan [2022-04-05 04:13:37,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 04:13:37,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 04:13:37,204 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 04:13:37,210 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-05 04:13:37,210 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 04:13:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 159 states have (on average 1.7421383647798743) internal successors, (277), 160 states have internal predecessors, (277), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-05 04:13:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-05 04:13:37,236 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:37,236 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:37,237 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:37,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:37,241 INFO L85 PathProgramCache]: Analyzing trace with hash -358733412, now seen corresponding path program 1 times [2022-04-05 04:13:37,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:37,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088600231] [2022-04-05 04:13:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:37,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:37,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:37,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088600231] [2022-04-05 04:13:37,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088600231] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:37,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:37,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40399028] [2022-04-05 04:13:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:37,524 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:37,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:37,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:37,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:37,548 INFO L87 Difference]: Start difference. First operand has 167 states, 159 states have (on average 1.7421383647798743) internal successors, (277), 160 states have internal predecessors, (277), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:38,013 INFO L93 Difference]: Finished difference Result 220 states and 374 transitions. [2022-04-05 04:13:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:38,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-05 04:13:38,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:38,021 INFO L225 Difference]: With dead ends: 220 [2022-04-05 04:13:38,022 INFO L226 Difference]: Without dead ends: 199 [2022-04-05 04:13:38,023 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:38,025 INFO L913 BasicCegarLoop]: 204 mSDtfsCounter, 931 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:38,026 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 225 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-05 04:13:38,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-04-05 04:13:38,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 189. [2022-04-05 04:13:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 184 states have (on average 1.6467391304347827) internal successors, (303), 184 states have internal predecessors, (303), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 307 transitions. [2022-04-05 04:13:38,058 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 307 transitions. Word has length 50 [2022-04-05 04:13:38,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:38,059 INFO L478 AbstractCegarLoop]: Abstraction has 189 states and 307 transitions. [2022-04-05 04:13:38,059 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 307 transitions. [2022-04-05 04:13:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-05 04:13:38,061 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:38,061 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:38,061 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 04:13:38,061 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:38,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:38,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2028945941, now seen corresponding path program 1 times [2022-04-05 04:13:38,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:38,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380471811] [2022-04-05 04:13:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:38,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:38,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:38,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380471811] [2022-04-05 04:13:38,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380471811] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:38,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:38,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:38,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639046975] [2022-04-05 04:13:38,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:38,153 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:38,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:38,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:38,154 INFO L87 Difference]: Start difference. First operand 189 states and 307 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:38,468 INFO L93 Difference]: Finished difference Result 238 states and 395 transitions. [2022-04-05 04:13:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:38,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-04-05 04:13:38,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:38,470 INFO L225 Difference]: With dead ends: 238 [2022-04-05 04:13:38,470 INFO L226 Difference]: Without dead ends: 238 [2022-04-05 04:13:38,471 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:38,472 INFO L913 BasicCegarLoop]: 165 mSDtfsCounter, 796 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:38,472 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 182 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:38,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-04-05 04:13:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2022-04-05 04:13:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 223 states have (on average 1.6860986547085202) internal successors, (376), 223 states have internal predecessors, (376), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 380 transitions. [2022-04-05 04:13:38,489 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 380 transitions. Word has length 51 [2022-04-05 04:13:38,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:38,489 INFO L478 AbstractCegarLoop]: Abstraction has 228 states and 380 transitions. [2022-04-05 04:13:38,489 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 380 transitions. [2022-04-05 04:13:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-05 04:13:38,496 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:38,496 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-05 04:13:38,496 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 04:13:38,496 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:38,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1187775796, now seen corresponding path program 1 times [2022-04-05 04:13:38,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:38,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467674703] [2022-04-05 04:13:38,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:38,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:38,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:38,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467674703] [2022-04-05 04:13:38,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467674703] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:38,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:38,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:38,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993278526] [2022-04-05 04:13:38,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:38,597 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:38,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:38,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:38,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:38,598 INFO L87 Difference]: Start difference. First operand 228 states and 380 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:38,855 INFO L93 Difference]: Finished difference Result 259 states and 436 transitions. [2022-04-05 04:13:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:38,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-04-05 04:13:38,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:38,858 INFO L225 Difference]: With dead ends: 259 [2022-04-05 04:13:38,858 INFO L226 Difference]: Without dead ends: 259 [2022-04-05 04:13:38,859 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:38,879 INFO L913 BasicCegarLoop]: 176 mSDtfsCounter, 717 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:38,881 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [717 Valid, 193 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:38,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-04-05 04:13:38,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2022-04-05 04:13:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 254 states have (on average 1.7007874015748032) internal successors, (432), 254 states have internal predecessors, (432), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 436 transitions. [2022-04-05 04:13:38,898 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 436 transitions. Word has length 78 [2022-04-05 04:13:38,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:38,898 INFO L478 AbstractCegarLoop]: Abstraction has 259 states and 436 transitions. [2022-04-05 04:13:38,898 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 436 transitions. [2022-04-05 04:13:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-05 04:13:38,900 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:38,900 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-05 04:13:38,900 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 04:13:38,900 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:38,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1277325544, now seen corresponding path program 1 times [2022-04-05 04:13:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:38,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568187161] [2022-04-05 04:13:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:39,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:39,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568187161] [2022-04-05 04:13:39,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568187161] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:39,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:39,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:39,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879736389] [2022-04-05 04:13:39,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:39,005 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:39,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:39,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:39,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:39,005 INFO L87 Difference]: Start difference. First operand 259 states and 436 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:39,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:39,347 INFO L93 Difference]: Finished difference Result 298 states and 505 transitions. [2022-04-05 04:13:39,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:39,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-04-05 04:13:39,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:39,349 INFO L225 Difference]: With dead ends: 298 [2022-04-05 04:13:39,349 INFO L226 Difference]: Without dead ends: 298 [2022-04-05 04:13:39,349 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:39,350 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 768 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:39,350 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 181 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:39,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-04-05 04:13:39,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2022-04-05 04:13:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 290 states have (on average 1.7137931034482758) internal successors, (497), 290 states have internal predecessors, (497), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2022-04-05 04:13:39,366 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2022-04-05 04:13:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:39,366 INFO L478 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2022-04-05 04:13:39,366 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2022-04-05 04:13:39,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-05 04:13:39,370 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:39,370 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-05 04:13:39,370 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 04:13:39,370 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:39,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:39,371 INFO L85 PathProgramCache]: Analyzing trace with hash -749695146, now seen corresponding path program 1 times [2022-04-05 04:13:39,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:39,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886787851] [2022-04-05 04:13:39,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:39,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:13:39,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:39,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886787851] [2022-04-05 04:13:39,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886787851] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:39,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:39,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:39,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289148425] [2022-04-05 04:13:39,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:39,443 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:39,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:39,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:39,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:39,444 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:39,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:39,715 INFO L93 Difference]: Finished difference Result 298 states and 503 transitions. [2022-04-05 04:13:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:39,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 85 [2022-04-05 04:13:39,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:39,716 INFO L225 Difference]: With dead ends: 298 [2022-04-05 04:13:39,717 INFO L226 Difference]: Without dead ends: 298 [2022-04-05 04:13:39,717 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:39,717 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 771 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:39,718 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 181 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:39,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-04-05 04:13:39,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2022-04-05 04:13:39,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 290 states have (on average 1.706896551724138) internal successors, (495), 290 states have internal predecessors, (495), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 499 transitions. [2022-04-05 04:13:39,724 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 499 transitions. Word has length 85 [2022-04-05 04:13:39,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:39,724 INFO L478 AbstractCegarLoop]: Abstraction has 295 states and 499 transitions. [2022-04-05 04:13:39,724 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 499 transitions. [2022-04-05 04:13:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-04-05 04:13:39,725 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:39,725 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:39,725 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-05 04:13:39,725 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash 514856305, now seen corresponding path program 1 times [2022-04-05 04:13:39,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:39,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918186845] [2022-04-05 04:13:39,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:39,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:39,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:39,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918186845] [2022-04-05 04:13:39,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918186845] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:39,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:39,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:39,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700380500] [2022-04-05 04:13:39,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:39,763 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:39,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:39,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:39,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:39,763 INFO L87 Difference]: Start difference. First operand 295 states and 499 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:40,002 INFO L93 Difference]: Finished difference Result 312 states and 523 transitions. [2022-04-05 04:13:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:40,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2022-04-05 04:13:40,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:40,004 INFO L225 Difference]: With dead ends: 312 [2022-04-05 04:13:40,004 INFO L226 Difference]: Without dead ends: 312 [2022-04-05 04:13:40,004 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:40,005 INFO L913 BasicCegarLoop]: 176 mSDtfsCounter, 679 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:40,005 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [679 Valid, 193 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:40,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-04-05 04:13:40,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 310. [2022-04-05 04:13:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.6950819672131148) internal successors, (517), 305 states have internal predecessors, (517), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 521 transitions. [2022-04-05 04:13:40,011 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 521 transitions. Word has length 90 [2022-04-05 04:13:40,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:40,011 INFO L478 AbstractCegarLoop]: Abstraction has 310 states and 521 transitions. [2022-04-05 04:13:40,011 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 521 transitions. [2022-04-05 04:13:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-04-05 04:13:40,012 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:40,012 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:40,012 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-05 04:13:40,012 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:40,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:40,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1598049749, now seen corresponding path program 1 times [2022-04-05 04:13:40,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:40,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985839433] [2022-04-05 04:13:40,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:40,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:40,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985839433] [2022-04-05 04:13:40,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985839433] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:40,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:40,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:40,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177106943] [2022-04-05 04:13:40,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:40,049 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:40,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:40,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:40,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:40,049 INFO L87 Difference]: Start difference. First operand 310 states and 521 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:40,305 INFO L93 Difference]: Finished difference Result 312 states and 519 transitions. [2022-04-05 04:13:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:40,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 91 [2022-04-05 04:13:40,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:40,307 INFO L225 Difference]: With dead ends: 312 [2022-04-05 04:13:40,307 INFO L226 Difference]: Without dead ends: 312 [2022-04-05 04:13:40,307 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:40,308 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 704 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:40,308 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [704 Valid, 181 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:40,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-04-05 04:13:40,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 310. [2022-04-05 04:13:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 305 states have (on average 1.681967213114754) internal successors, (513), 305 states have internal predecessors, (513), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 517 transitions. [2022-04-05 04:13:40,313 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 517 transitions. Word has length 91 [2022-04-05 04:13:40,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:40,313 INFO L478 AbstractCegarLoop]: Abstraction has 310 states and 517 transitions. [2022-04-05 04:13:40,314 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 517 transitions. [2022-04-05 04:13:40,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-04-05 04:13:40,314 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:40,314 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:40,315 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-05 04:13:40,315 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:40,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:40,315 INFO L85 PathProgramCache]: Analyzing trace with hash -43098040, now seen corresponding path program 1 times [2022-04-05 04:13:40,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:40,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693807220] [2022-04-05 04:13:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:40,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-04-05 04:13:40,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:40,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693807220] [2022-04-05 04:13:40,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693807220] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:40,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:40,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:40,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142474361] [2022-04-05 04:13:40,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:40,357 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:40,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:40,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:40,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:40,358 INFO L87 Difference]: Start difference. First operand 310 states and 517 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:40,605 INFO L93 Difference]: Finished difference Result 319 states and 523 transitions. [2022-04-05 04:13:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:40,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 103 [2022-04-05 04:13:40,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:40,607 INFO L225 Difference]: With dead ends: 319 [2022-04-05 04:13:40,607 INFO L226 Difference]: Without dead ends: 319 [2022-04-05 04:13:40,607 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:40,607 INFO L913 BasicCegarLoop]: 165 mSDtfsCounter, 705 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:40,607 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 182 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:40,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-04-05 04:13:40,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2022-04-05 04:13:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 314 states have (on average 1.6528662420382165) internal successors, (519), 314 states have internal predecessors, (519), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 523 transitions. [2022-04-05 04:13:40,613 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 523 transitions. Word has length 103 [2022-04-05 04:13:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:40,613 INFO L478 AbstractCegarLoop]: Abstraction has 319 states and 523 transitions. [2022-04-05 04:13:40,613 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 523 transitions. [2022-04-05 04:13:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-04-05 04:13:40,614 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:40,614 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:40,614 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-05 04:13:40,614 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:40,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:40,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2093863459, now seen corresponding path program 1 times [2022-04-05 04:13:40,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:40,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847970209] [2022-04-05 04:13:40,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:40,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:40,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:40,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847970209] [2022-04-05 04:13:40,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847970209] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:40,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:40,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:40,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020585101] [2022-04-05 04:13:40,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:40,649 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:40,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:40,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:40,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:40,650 INFO L87 Difference]: Start difference. First operand 319 states and 523 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:40,898 INFO L93 Difference]: Finished difference Result 350 states and 572 transitions. [2022-04-05 04:13:40,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:40,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2022-04-05 04:13:40,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:40,900 INFO L225 Difference]: With dead ends: 350 [2022-04-05 04:13:40,900 INFO L226 Difference]: Without dead ends: 350 [2022-04-05 04:13:40,900 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:40,900 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 734 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:40,900 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [734 Valid, 184 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:40,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-04-05 04:13:40,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2022-04-05 04:13:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 343 states have (on average 1.6501457725947521) internal successors, (566), 343 states have internal predecessors, (566), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 570 transitions. [2022-04-05 04:13:40,908 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 570 transitions. Word has length 104 [2022-04-05 04:13:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:40,909 INFO L478 AbstractCegarLoop]: Abstraction has 348 states and 570 transitions. [2022-04-05 04:13:40,909 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 570 transitions. [2022-04-05 04:13:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-04-05 04:13:40,910 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:40,910 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:40,910 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-05 04:13:40,910 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:40,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:40,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1125033666, now seen corresponding path program 1 times [2022-04-05 04:13:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:40,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007824034] [2022-04-05 04:13:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:40,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:40,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:40,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007824034] [2022-04-05 04:13:40,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007824034] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:40,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:40,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:40,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678939505] [2022-04-05 04:13:40,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:40,948 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:40,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:40,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:40,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:40,948 INFO L87 Difference]: Start difference. First operand 348 states and 570 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:41,205 INFO L93 Difference]: Finished difference Result 350 states and 568 transitions. [2022-04-05 04:13:41,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:41,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 105 [2022-04-05 04:13:41,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:41,206 INFO L225 Difference]: With dead ends: 350 [2022-04-05 04:13:41,206 INFO L226 Difference]: Without dead ends: 350 [2022-04-05 04:13:41,206 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:41,207 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 737 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:41,207 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 184 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:41,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-04-05 04:13:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2022-04-05 04:13:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 343 states have (on average 1.6384839650145773) internal successors, (562), 343 states have internal predecessors, (562), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 566 transitions. [2022-04-05 04:13:41,212 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 566 transitions. Word has length 105 [2022-04-05 04:13:41,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:41,213 INFO L478 AbstractCegarLoop]: Abstraction has 348 states and 566 transitions. [2022-04-05 04:13:41,213 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 566 transitions. [2022-04-05 04:13:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-04-05 04:13:41,213 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:41,214 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:41,214 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-05 04:13:41,214 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:41,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:41,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1292482044, now seen corresponding path program 1 times [2022-04-05 04:13:41,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:41,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705497998] [2022-04-05 04:13:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:41,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:41,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:41,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705497998] [2022-04-05 04:13:41,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705497998] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:41,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:41,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:41,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760781233] [2022-04-05 04:13:41,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:41,249 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:41,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:41,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:41,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:41,250 INFO L87 Difference]: Start difference. First operand 348 states and 566 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:41,526 INFO L93 Difference]: Finished difference Result 384 states and 623 transitions. [2022-04-05 04:13:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:41,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 107 [2022-04-05 04:13:41,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:41,528 INFO L225 Difference]: With dead ends: 384 [2022-04-05 04:13:41,528 INFO L226 Difference]: Without dead ends: 384 [2022-04-05 04:13:41,528 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:41,528 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 754 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:41,528 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 184 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:41,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-04-05 04:13:41,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 375. [2022-04-05 04:13:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 370 states have (on average 1.6324324324324324) internal successors, (604), 370 states have internal predecessors, (604), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 608 transitions. [2022-04-05 04:13:41,534 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 608 transitions. Word has length 107 [2022-04-05 04:13:41,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:41,535 INFO L478 AbstractCegarLoop]: Abstraction has 375 states and 608 transitions. [2022-04-05 04:13:41,535 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 608 transitions. [2022-04-05 04:13:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-04-05 04:13:41,536 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:41,536 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:41,536 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-05 04:13:41,536 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:41,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:41,536 INFO L85 PathProgramCache]: Analyzing trace with hash 657506956, now seen corresponding path program 1 times [2022-04-05 04:13:41,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:41,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257495755] [2022-04-05 04:13:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:41,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:41,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257495755] [2022-04-05 04:13:41,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257495755] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:41,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:41,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:41,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059834233] [2022-04-05 04:13:41,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:41,573 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:41,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:41,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:41,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:41,574 INFO L87 Difference]: Start difference. First operand 375 states and 608 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:41,841 INFO L93 Difference]: Finished difference Result 384 states and 618 transitions. [2022-04-05 04:13:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:41,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 108 [2022-04-05 04:13:41,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:41,842 INFO L225 Difference]: With dead ends: 384 [2022-04-05 04:13:41,842 INFO L226 Difference]: Without dead ends: 384 [2022-04-05 04:13:41,843 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:41,843 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 757 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:41,843 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [757 Valid, 184 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-04-05 04:13:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 375. [2022-04-05 04:13:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 370 states have (on average 1.6189189189189188) internal successors, (599), 370 states have internal predecessors, (599), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 603 transitions. [2022-04-05 04:13:41,849 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 603 transitions. Word has length 108 [2022-04-05 04:13:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:41,849 INFO L478 AbstractCegarLoop]: Abstraction has 375 states and 603 transitions. [2022-04-05 04:13:41,849 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 603 transitions. [2022-04-05 04:13:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-04-05 04:13:41,850 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:41,850 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:41,851 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-05 04:13:41,851 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:41,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:41,851 INFO L85 PathProgramCache]: Analyzing trace with hash -267767569, now seen corresponding path program 1 times [2022-04-05 04:13:41,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:41,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411423795] [2022-04-05 04:13:41,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:41,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-04-05 04:13:41,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:41,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411423795] [2022-04-05 04:13:41,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411423795] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:41,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:41,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:41,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995486558] [2022-04-05 04:13:41,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:41,884 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:41,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:41,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:41,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:41,885 INFO L87 Difference]: Start difference. First operand 375 states and 603 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:42,139 INFO L93 Difference]: Finished difference Result 412 states and 660 transitions. [2022-04-05 04:13:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:42,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 116 [2022-04-05 04:13:42,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:42,140 INFO L225 Difference]: With dead ends: 412 [2022-04-05 04:13:42,140 INFO L226 Difference]: Without dead ends: 412 [2022-04-05 04:13:42,141 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:42,141 INFO L913 BasicCegarLoop]: 169 mSDtfsCounter, 747 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:42,141 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [747 Valid, 186 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:42,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-04-05 04:13:42,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 409. [2022-04-05 04:13:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 404 states have (on average 1.613861386138614) internal successors, (652), 404 states have internal predecessors, (652), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 656 transitions. [2022-04-05 04:13:42,147 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 656 transitions. Word has length 116 [2022-04-05 04:13:42,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:42,147 INFO L478 AbstractCegarLoop]: Abstraction has 409 states and 656 transitions. [2022-04-05 04:13:42,147 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 656 transitions. [2022-04-05 04:13:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-04-05 04:13:42,148 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:42,148 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:42,148 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-05 04:13:42,149 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:42,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:42,149 INFO L85 PathProgramCache]: Analyzing trace with hash -965090626, now seen corresponding path program 1 times [2022-04-05 04:13:42,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:42,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111765690] [2022-04-05 04:13:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-04-05 04:13:42,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:42,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111765690] [2022-04-05 04:13:42,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111765690] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:42,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:42,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:42,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874569508] [2022-04-05 04:13:42,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:42,182 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:42,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:42,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:42,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:42,182 INFO L87 Difference]: Start difference. First operand 409 states and 656 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:42,444 INFO L93 Difference]: Finished difference Result 412 states and 657 transitions. [2022-04-05 04:13:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:42,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 117 [2022-04-05 04:13:42,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:42,445 INFO L225 Difference]: With dead ends: 412 [2022-04-05 04:13:42,445 INFO L226 Difference]: Without dead ends: 412 [2022-04-05 04:13:42,446 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:42,446 INFO L913 BasicCegarLoop]: 169 mSDtfsCounter, 750 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:42,446 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [750 Valid, 186 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-04-05 04:13:42,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 409. [2022-04-05 04:13:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 404 states have (on average 1.6064356435643565) internal successors, (649), 404 states have internal predecessors, (649), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 653 transitions. [2022-04-05 04:13:42,452 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 653 transitions. Word has length 117 [2022-04-05 04:13:42,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:42,452 INFO L478 AbstractCegarLoop]: Abstraction has 409 states and 653 transitions. [2022-04-05 04:13:42,452 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 653 transitions. [2022-04-05 04:13:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-04-05 04:13:42,453 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:42,453 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:42,453 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-05 04:13:42,453 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:42,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:42,454 INFO L85 PathProgramCache]: Analyzing trace with hash 372273407, now seen corresponding path program 1 times [2022-04-05 04:13:42,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:42,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727247688] [2022-04-05 04:13:42,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:42,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:42,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727247688] [2022-04-05 04:13:42,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727247688] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:42,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:42,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:42,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131019019] [2022-04-05 04:13:42,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:42,486 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:42,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:42,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:42,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:42,486 INFO L87 Difference]: Start difference. First operand 409 states and 653 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:42,757 INFO L93 Difference]: Finished difference Result 457 states and 728 transitions. [2022-04-05 04:13:42,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:42,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 120 [2022-04-05 04:13:42,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:42,759 INFO L225 Difference]: With dead ends: 457 [2022-04-05 04:13:42,759 INFO L226 Difference]: Without dead ends: 457 [2022-04-05 04:13:42,759 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:42,760 INFO L913 BasicCegarLoop]: 173 mSDtfsCounter, 770 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:42,760 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [770 Valid, 190 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-04-05 04:13:42,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 451. [2022-04-05 04:13:42,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 446 states have (on average 1.600896860986547) internal successors, (714), 446 states have internal predecessors, (714), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 718 transitions. [2022-04-05 04:13:42,766 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 718 transitions. Word has length 120 [2022-04-05 04:13:42,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:42,766 INFO L478 AbstractCegarLoop]: Abstraction has 451 states and 718 transitions. [2022-04-05 04:13:42,766 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 718 transitions. [2022-04-05 04:13:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-04-05 04:13:42,767 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:42,767 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:42,768 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-05 04:13:42,768 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:42,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:42,768 INFO L85 PathProgramCache]: Analyzing trace with hash 638954667, now seen corresponding path program 1 times [2022-04-05 04:13:42,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:42,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179174568] [2022-04-05 04:13:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:42,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-04-05 04:13:42,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:42,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179174568] [2022-04-05 04:13:42,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179174568] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:42,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:42,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:42,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243701984] [2022-04-05 04:13:42,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:42,815 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:42,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:42,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:42,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:42,816 INFO L87 Difference]: Start difference. First operand 451 states and 718 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:43,081 INFO L93 Difference]: Finished difference Result 461 states and 734 transitions. [2022-04-05 04:13:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:43,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2022-04-05 04:13:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:43,083 INFO L225 Difference]: With dead ends: 461 [2022-04-05 04:13:43,083 INFO L226 Difference]: Without dead ends: 459 [2022-04-05 04:13:43,083 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:43,084 INFO L913 BasicCegarLoop]: 173 mSDtfsCounter, 772 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:43,084 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [772 Valid, 190 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:43,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-04-05 04:13:43,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 453. [2022-04-05 04:13:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.6004464285714286) internal successors, (717), 448 states have internal predecessors, (717), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 721 transitions. [2022-04-05 04:13:43,090 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 721 transitions. Word has length 121 [2022-04-05 04:13:43,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:43,090 INFO L478 AbstractCegarLoop]: Abstraction has 453 states and 721 transitions. [2022-04-05 04:13:43,090 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,090 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 721 transitions. [2022-04-05 04:13:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-04-05 04:13:43,091 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:43,091 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:43,092 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-05 04:13:43,092 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:43,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:43,092 INFO L85 PathProgramCache]: Analyzing trace with hash -205261930, now seen corresponding path program 1 times [2022-04-05 04:13:43,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:43,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449949591] [2022-04-05 04:13:43,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:43,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-04-05 04:13:43,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:43,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449949591] [2022-04-05 04:13:43,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449949591] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:43,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:43,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:43,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658079123] [2022-04-05 04:13:43,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:43,124 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:43,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:43,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:43,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:43,125 INFO L87 Difference]: Start difference. First operand 453 states and 721 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:43,401 INFO L93 Difference]: Finished difference Result 492 states and 779 transitions. [2022-04-05 04:13:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:43,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-04-05 04:13:43,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:43,403 INFO L225 Difference]: With dead ends: 492 [2022-04-05 04:13:43,403 INFO L226 Difference]: Without dead ends: 492 [2022-04-05 04:13:43,403 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:43,404 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 764 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:43,405 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [764 Valid, 184 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:43,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-04-05 04:13:43,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 478. [2022-04-05 04:13:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 473 states have (on average 1.5898520084566596) internal successors, (752), 473 states have internal predecessors, (752), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 756 transitions. [2022-04-05 04:13:43,411 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 756 transitions. Word has length 133 [2022-04-05 04:13:43,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:43,411 INFO L478 AbstractCegarLoop]: Abstraction has 478 states and 756 transitions. [2022-04-05 04:13:43,411 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 756 transitions. [2022-04-05 04:13:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-04-05 04:13:43,412 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:43,413 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:43,413 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-05 04:13:43,413 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:43,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:43,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1607326430, now seen corresponding path program 1 times [2022-04-05 04:13:43,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:43,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236514583] [2022-04-05 04:13:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:43,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-04-05 04:13:43,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:43,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236514583] [2022-04-05 04:13:43,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236514583] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:43,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:43,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:43,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642308467] [2022-04-05 04:13:43,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:43,454 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:43,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:43,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:43,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:43,455 INFO L87 Difference]: Start difference. First operand 478 states and 756 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:43,675 INFO L93 Difference]: Finished difference Result 492 states and 771 transitions. [2022-04-05 04:13:43,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:43,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 134 [2022-04-05 04:13:43,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:43,678 INFO L225 Difference]: With dead ends: 492 [2022-04-05 04:13:43,678 INFO L226 Difference]: Without dead ends: 492 [2022-04-05 04:13:43,679 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:43,679 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 767 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:43,679 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 184 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-04-05 04:13:43,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 478. [2022-04-05 04:13:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 473 states have (on average 1.572938689217759) internal successors, (744), 473 states have internal predecessors, (744), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 748 transitions. [2022-04-05 04:13:43,685 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 748 transitions. Word has length 134 [2022-04-05 04:13:43,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:43,685 INFO L478 AbstractCegarLoop]: Abstraction has 478 states and 748 transitions. [2022-04-05 04:13:43,685 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 748 transitions. [2022-04-05 04:13:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-04-05 04:13:43,686 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:43,687 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:43,687 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-05 04:13:43,687 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:43,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:43,688 INFO L85 PathProgramCache]: Analyzing trace with hash -683306934, now seen corresponding path program 1 times [2022-04-05 04:13:43,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:43,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393559389] [2022-04-05 04:13:43,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:43,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-04-05 04:13:43,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:43,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393559389] [2022-04-05 04:13:43,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393559389] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:43,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:43,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:43,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749670089] [2022-04-05 04:13:43,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:43,745 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:43,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:43,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:43,745 INFO L87 Difference]: Start difference. First operand 478 states and 748 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:44,010 INFO L93 Difference]: Finished difference Result 484 states and 752 transitions. [2022-04-05 04:13:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:44,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 149 [2022-04-05 04:13:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:44,011 INFO L225 Difference]: With dead ends: 484 [2022-04-05 04:13:44,011 INFO L226 Difference]: Without dead ends: 484 [2022-04-05 04:13:44,012 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:44,012 INFO L913 BasicCegarLoop]: 170 mSDtfsCounter, 748 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:44,012 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [748 Valid, 187 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:44,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-04-05 04:13:44,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2022-04-05 04:13:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 473 states have (on average 1.562367864693446) internal successors, (739), 473 states have internal predecessors, (739), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 743 transitions. [2022-04-05 04:13:44,018 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 743 transitions. Word has length 149 [2022-04-05 04:13:44,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:44,019 INFO L478 AbstractCegarLoop]: Abstraction has 478 states and 743 transitions. [2022-04-05 04:13:44,019 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 743 transitions. [2022-04-05 04:13:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-04-05 04:13:44,020 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:44,020 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:44,020 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-05 04:13:44,020 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:44,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:44,020 INFO L85 PathProgramCache]: Analyzing trace with hash 592780155, now seen corresponding path program 1 times [2022-04-05 04:13:44,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:44,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015117092] [2022-04-05 04:13:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:44,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-04-05 04:13:44,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:44,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015117092] [2022-04-05 04:13:44,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015117092] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:44,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:44,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:44,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707732542] [2022-04-05 04:13:44,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:44,078 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:44,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:44,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:44,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:44,078 INFO L87 Difference]: Start difference. First operand 478 states and 743 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:44,418 INFO L93 Difference]: Finished difference Result 484 states and 747 transitions. [2022-04-05 04:13:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:44,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 150 [2022-04-05 04:13:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:44,419 INFO L225 Difference]: With dead ends: 484 [2022-04-05 04:13:44,419 INFO L226 Difference]: Without dead ends: 484 [2022-04-05 04:13:44,420 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:44,420 INFO L913 BasicCegarLoop]: 171 mSDtfsCounter, 748 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:44,420 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [748 Valid, 188 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-04-05 04:13:44,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2022-04-05 04:13:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 473 states have (on average 1.5517970401691332) internal successors, (734), 473 states have internal predecessors, (734), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 738 transitions. [2022-04-05 04:13:44,430 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 738 transitions. Word has length 150 [2022-04-05 04:13:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:44,430 INFO L478 AbstractCegarLoop]: Abstraction has 478 states and 738 transitions. [2022-04-05 04:13:44,430 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 738 transitions. [2022-04-05 04:13:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-04-05 04:13:44,431 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:44,431 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:44,431 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-05 04:13:44,432 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:44,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:44,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1897943287, now seen corresponding path program 1 times [2022-04-05 04:13:44,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:44,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732143869] [2022-04-05 04:13:44,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:44,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-04-05 04:13:44,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:44,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732143869] [2022-04-05 04:13:44,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732143869] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:44,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:44,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:44,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032010860] [2022-04-05 04:13:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:44,477 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:44,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:44,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:44,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:44,477 INFO L87 Difference]: Start difference. First operand 478 states and 738 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:44,728 INFO L93 Difference]: Finished difference Result 507 states and 776 transitions. [2022-04-05 04:13:44,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:44,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 154 [2022-04-05 04:13:44,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:44,730 INFO L225 Difference]: With dead ends: 507 [2022-04-05 04:13:44,730 INFO L226 Difference]: Without dead ends: 507 [2022-04-05 04:13:44,730 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:44,731 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 728 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:44,731 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [728 Valid, 184 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:44,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-04-05 04:13:44,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 502. [2022-04-05 04:13:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 497 states have (on average 1.539235412474849) internal successors, (765), 497 states have internal predecessors, (765), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 769 transitions. [2022-04-05 04:13:44,738 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 769 transitions. Word has length 154 [2022-04-05 04:13:44,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:44,739 INFO L478 AbstractCegarLoop]: Abstraction has 502 states and 769 transitions. [2022-04-05 04:13:44,739 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 769 transitions. [2022-04-05 04:13:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-04-05 04:13:44,740 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:44,740 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:44,740 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-05 04:13:44,740 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:44,740 INFO L85 PathProgramCache]: Analyzing trace with hash 330640256, now seen corresponding path program 1 times [2022-04-05 04:13:44,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:44,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410592022] [2022-04-05 04:13:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:44,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:44,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-04-05 04:13:44,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:44,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410592022] [2022-04-05 04:13:44,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410592022] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:44,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:44,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:44,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067966006] [2022-04-05 04:13:44,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:44,782 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:44,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:44,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:44,782 INFO L87 Difference]: Start difference. First operand 502 states and 769 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:45,033 INFO L93 Difference]: Finished difference Result 507 states and 767 transitions. [2022-04-05 04:13:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:45,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 155 [2022-04-05 04:13:45,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:45,035 INFO L225 Difference]: With dead ends: 507 [2022-04-05 04:13:45,035 INFO L226 Difference]: Without dead ends: 507 [2022-04-05 04:13:45,036 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:45,036 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 729 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:45,036 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [729 Valid, 184 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-04-05 04:13:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 502. [2022-04-05 04:13:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 497 states have (on average 1.5211267605633803) internal successors, (756), 497 states have internal predecessors, (756), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 760 transitions. [2022-04-05 04:13:45,042 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 760 transitions. Word has length 155 [2022-04-05 04:13:45,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:45,042 INFO L478 AbstractCegarLoop]: Abstraction has 502 states and 760 transitions. [2022-04-05 04:13:45,043 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,043 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 760 transitions. [2022-04-05 04:13:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-04-05 04:13:45,044 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:45,044 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-04-05 04:13:45,044 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-05 04:13:45,044 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:45,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:45,044 INFO L85 PathProgramCache]: Analyzing trace with hash 127316706, now seen corresponding path program 1 times [2022-04-05 04:13:45,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:45,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504940933] [2022-04-05 04:13:45,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:45,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-04-05 04:13:45,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:45,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504940933] [2022-04-05 04:13:45,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504940933] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:45,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:45,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:45,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439785210] [2022-04-05 04:13:45,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:45,089 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:45,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:45,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:45,090 INFO L87 Difference]: Start difference. First operand 502 states and 760 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:45,617 INFO L93 Difference]: Finished difference Result 550 states and 826 transitions. [2022-04-05 04:13:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:45,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 160 [2022-04-05 04:13:45,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:45,619 INFO L225 Difference]: With dead ends: 550 [2022-04-05 04:13:45,619 INFO L226 Difference]: Without dead ends: 550 [2022-04-05 04:13:45,619 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:45,619 INFO L913 BasicCegarLoop]: 180 mSDtfsCounter, 751 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:45,620 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [751 Valid, 197 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-05 04:13:45,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-04-05 04:13:45,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 543. [2022-04-05 04:13:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 538 states have (on average 1.5074349442379182) internal successors, (811), 538 states have internal predecessors, (811), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 815 transitions. [2022-04-05 04:13:45,626 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 815 transitions. Word has length 160 [2022-04-05 04:13:45,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:45,626 INFO L478 AbstractCegarLoop]: Abstraction has 543 states and 815 transitions. [2022-04-05 04:13:45,626 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 815 transitions. [2022-04-05 04:13:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-04-05 04:13:45,627 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:45,627 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:45,627 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-05 04:13:45,627 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:45,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:45,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1255388046, now seen corresponding path program 1 times [2022-04-05 04:13:45,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:45,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262557999] [2022-04-05 04:13:45,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:45,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-04-05 04:13:45,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:45,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262557999] [2022-04-05 04:13:45,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262557999] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:45,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:45,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:45,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003794784] [2022-04-05 04:13:45,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:45,691 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:45,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:45,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:45,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:45,692 INFO L87 Difference]: Start difference. First operand 543 states and 815 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:45,967 INFO L93 Difference]: Finished difference Result 550 states and 824 transitions. [2022-04-05 04:13:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:45,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 161 [2022-04-05 04:13:45,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:45,968 INFO L225 Difference]: With dead ends: 550 [2022-04-05 04:13:45,968 INFO L226 Difference]: Without dead ends: 531 [2022-04-05 04:13:45,969 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:45,969 INFO L913 BasicCegarLoop]: 179 mSDtfsCounter, 752 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:45,969 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 196 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:45,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2022-04-05 04:13:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 524. [2022-04-05 04:13:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 519 states have (on average 1.5048169556840076) internal successors, (781), 519 states have internal predecessors, (781), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 785 transitions. [2022-04-05 04:13:45,976 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 785 transitions. Word has length 161 [2022-04-05 04:13:45,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:45,976 INFO L478 AbstractCegarLoop]: Abstraction has 524 states and 785 transitions. [2022-04-05 04:13:45,976 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 785 transitions. [2022-04-05 04:13:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-04-05 04:13:45,977 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:45,977 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:45,977 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-05 04:13:45,977 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:45,978 INFO L85 PathProgramCache]: Analyzing trace with hash -374590154, now seen corresponding path program 1 times [2022-04-05 04:13:45,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:45,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237861760] [2022-04-05 04:13:45,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:45,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-04-05 04:13:46,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:46,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237861760] [2022-04-05 04:13:46,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237861760] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:46,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:46,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:46,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800003372] [2022-04-05 04:13:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:46,056 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:46,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:46,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:46,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:46,057 INFO L87 Difference]: Start difference. First operand 524 states and 785 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:46,309 INFO L93 Difference]: Finished difference Result 549 states and 815 transitions. [2022-04-05 04:13:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:46,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 175 [2022-04-05 04:13:46,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:46,311 INFO L225 Difference]: With dead ends: 549 [2022-04-05 04:13:46,311 INFO L226 Difference]: Without dead ends: 549 [2022-04-05 04:13:46,311 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:46,312 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 718 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:46,312 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 184 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:46,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2022-04-05 04:13:46,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 545. [2022-04-05 04:13:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 540 states have (on average 1.4907407407407407) internal successors, (805), 540 states have internal predecessors, (805), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 809 transitions. [2022-04-05 04:13:46,318 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 809 transitions. Word has length 175 [2022-04-05 04:13:46,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:46,318 INFO L478 AbstractCegarLoop]: Abstraction has 545 states and 809 transitions. [2022-04-05 04:13:46,318 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 809 transitions. [2022-04-05 04:13:46,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-04-05 04:13:46,336 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:46,336 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:46,336 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-05 04:13:46,336 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:46,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:46,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1945494336, now seen corresponding path program 1 times [2022-04-05 04:13:46,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:46,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724216357] [2022-04-05 04:13:46,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:46,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-04-05 04:13:46,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:46,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724216357] [2022-04-05 04:13:46,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724216357] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:46,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:46,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:13:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992283607] [2022-04-05 04:13:46,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:46,465 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:13:46,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:46,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:13:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:46,465 INFO L87 Difference]: Start difference. First operand 545 states and 809 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:46,701 INFO L93 Difference]: Finished difference Result 549 states and 804 transitions. [2022-04-05 04:13:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:13:46,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 176 [2022-04-05 04:13:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:46,703 INFO L225 Difference]: With dead ends: 549 [2022-04-05 04:13:46,703 INFO L226 Difference]: Without dead ends: 547 [2022-04-05 04:13:46,703 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:46,704 INFO L913 BasicCegarLoop]: 167 mSDtfsCounter, 721 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:46,704 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [721 Valid, 184 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:46,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-04-05 04:13:46,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 543. [2022-04-05 04:13:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 538 states have (on average 1.470260223048327) internal successors, (791), 538 states have internal predecessors, (791), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 795 transitions. [2022-04-05 04:13:46,710 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 795 transitions. Word has length 176 [2022-04-05 04:13:46,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:46,710 INFO L478 AbstractCegarLoop]: Abstraction has 543 states and 795 transitions. [2022-04-05 04:13:46,710 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 795 transitions. [2022-04-05 04:13:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-04-05 04:13:46,712 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:46,712 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:46,712 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-05 04:13:46,713 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:46,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:46,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1612207896, now seen corresponding path program 1 times [2022-04-05 04:13:46,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:46,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105531767] [2022-04-05 04:13:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-04-05 04:13:46,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:46,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105531767] [2022-04-05 04:13:46,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105531767] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:46,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:46,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:46,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404918014] [2022-04-05 04:13:46,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:46,745 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:46,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:46,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:46,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:46,745 INFO L87 Difference]: Start difference. First operand 543 states and 795 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:46,963 INFO L93 Difference]: Finished difference Result 1065 states and 1558 transitions. [2022-04-05 04:13:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:46,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 191 [2022-04-05 04:13:46,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:46,966 INFO L225 Difference]: With dead ends: 1065 [2022-04-05 04:13:46,966 INFO L226 Difference]: Without dead ends: 1065 [2022-04-05 04:13:46,966 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:46,967 INFO L913 BasicCegarLoop]: 434 mSDtfsCounter, 437 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:46,967 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [437 Valid, 441 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:46,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2022-04-05 04:13:46,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 544. [2022-04-05 04:13:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 539 states have (on average 1.469387755102041) internal successors, (792), 539 states have internal predecessors, (792), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 796 transitions. [2022-04-05 04:13:46,978 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 796 transitions. Word has length 191 [2022-04-05 04:13:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:46,979 INFO L478 AbstractCegarLoop]: Abstraction has 544 states and 796 transitions. [2022-04-05 04:13:46,979 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 796 transitions. [2022-04-05 04:13:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-04-05 04:13:46,980 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:46,981 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:46,981 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-05 04:13:46,981 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:46,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:46,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1749405063, now seen corresponding path program 1 times [2022-04-05 04:13:46,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:46,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660025954] [2022-04-05 04:13:46,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-04-05 04:13:47,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:47,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660025954] [2022-04-05 04:13:47,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660025954] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:47,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:47,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:47,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870942879] [2022-04-05 04:13:47,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:47,057 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:47,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:47,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:47,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:47,057 INFO L87 Difference]: Start difference. First operand 544 states and 796 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:47,326 INFO L93 Difference]: Finished difference Result 1071 states and 1550 transitions. [2022-04-05 04:13:47,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:47,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 191 [2022-04-05 04:13:47,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:47,329 INFO L225 Difference]: With dead ends: 1071 [2022-04-05 04:13:47,329 INFO L226 Difference]: Without dead ends: 1071 [2022-04-05 04:13:47,329 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:47,330 INFO L913 BasicCegarLoop]: 284 mSDtfsCounter, 505 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:47,330 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [505 Valid, 291 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:47,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2022-04-05 04:13:47,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2022-04-05 04:13:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 1066 states have (on average 1.450281425891182) internal successors, (1546), 1066 states have internal predecessors, (1546), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1550 transitions. [2022-04-05 04:13:47,342 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1550 transitions. Word has length 191 [2022-04-05 04:13:47,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:47,342 INFO L478 AbstractCegarLoop]: Abstraction has 1071 states and 1550 transitions. [2022-04-05 04:13:47,343 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1550 transitions. [2022-04-05 04:13:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-04-05 04:13:47,346 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:47,346 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:47,346 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-05 04:13:47,346 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:47,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:47,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1617081318, now seen corresponding path program 1 times [2022-04-05 04:13:47,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:47,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574121068] [2022-04-05 04:13:47,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:47,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-04-05 04:13:47,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:47,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574121068] [2022-04-05 04:13:47,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574121068] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:47,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:47,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:47,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476871266] [2022-04-05 04:13:47,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:47,375 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:47,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:47,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:47,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:47,375 INFO L87 Difference]: Start difference. First operand 1071 states and 1550 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:47,578 INFO L93 Difference]: Finished difference Result 1128 states and 1634 transitions. [2022-04-05 04:13:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:47,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 191 [2022-04-05 04:13:47,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:47,581 INFO L225 Difference]: With dead ends: 1128 [2022-04-05 04:13:47,581 INFO L226 Difference]: Without dead ends: 1128 [2022-04-05 04:13:47,581 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:47,582 INFO L913 BasicCegarLoop]: 281 mSDtfsCounter, 267 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:47,582 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 288 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:47,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-04-05 04:13:47,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2022-04-05 04:13:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1123 states have (on average 1.4514692787177204) internal successors, (1630), 1123 states have internal predecessors, (1630), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1634 transitions. [2022-04-05 04:13:47,595 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1634 transitions. Word has length 191 [2022-04-05 04:13:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:47,596 INFO L478 AbstractCegarLoop]: Abstraction has 1128 states and 1634 transitions. [2022-04-05 04:13:47,596 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1634 transitions. [2022-04-05 04:13:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-04-05 04:13:47,597 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:47,598 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:47,598 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-05 04:13:47,598 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:47,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:47,598 INFO L85 PathProgramCache]: Analyzing trace with hash 913218343, now seen corresponding path program 1 times [2022-04-05 04:13:47,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:47,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257764297] [2022-04-05 04:13:47,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:47,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-04-05 04:13:47,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:47,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257764297] [2022-04-05 04:13:47,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257764297] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:47,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:47,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:47,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211124288] [2022-04-05 04:13:47,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:47,626 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:47,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:47,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:47,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:47,627 INFO L87 Difference]: Start difference. First operand 1128 states and 1634 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:47,783 INFO L93 Difference]: Finished difference Result 1161 states and 1681 transitions. [2022-04-05 04:13:47,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:47,783 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 191 [2022-04-05 04:13:47,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:47,786 INFO L225 Difference]: With dead ends: 1161 [2022-04-05 04:13:47,786 INFO L226 Difference]: Without dead ends: 1161 [2022-04-05 04:13:47,786 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:47,787 INFO L913 BasicCegarLoop]: 235 mSDtfsCounter, 316 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:47,788 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 242 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:47,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-04-05 04:13:47,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2022-04-05 04:13:47,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1156 states have (on average 1.4506920415224913) internal successors, (1677), 1156 states have internal predecessors, (1677), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1681 transitions. [2022-04-05 04:13:47,802 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1681 transitions. Word has length 191 [2022-04-05 04:13:47,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:47,802 INFO L478 AbstractCegarLoop]: Abstraction has 1161 states and 1681 transitions. [2022-04-05 04:13:47,802 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1681 transitions. [2022-04-05 04:13:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-04-05 04:13:47,804 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:47,804 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:47,804 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-05 04:13:47,804 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:47,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:47,806 INFO L85 PathProgramCache]: Analyzing trace with hash -710012914, now seen corresponding path program 1 times [2022-04-05 04:13:47,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:47,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810987971] [2022-04-05 04:13:47,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:47,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-04-05 04:13:47,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:47,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810987971] [2022-04-05 04:13:47,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810987971] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:47,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:47,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:47,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058475168] [2022-04-05 04:13:47,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:47,846 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:47,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:47,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:47,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:47,847 INFO L87 Difference]: Start difference. First operand 1161 states and 1681 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:48,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:48,050 INFO L93 Difference]: Finished difference Result 1688 states and 2435 transitions. [2022-04-05 04:13:48,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:48,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 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 193 [2022-04-05 04:13:48,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:48,054 INFO L225 Difference]: With dead ends: 1688 [2022-04-05 04:13:48,054 INFO L226 Difference]: Without dead ends: 1688 [2022-04-05 04:13:48,055 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:48,055 INFO L913 BasicCegarLoop]: 405 mSDtfsCounter, 389 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:48,056 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 412 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-04-05 04:13:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1688. [2022-04-05 04:13:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1688 states, 1683 states have (on average 1.4444444444444444) internal successors, (2431), 1683 states have internal predecessors, (2431), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2435 transitions. [2022-04-05 04:13:48,073 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2435 transitions. Word has length 193 [2022-04-05 04:13:48,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:48,074 INFO L478 AbstractCegarLoop]: Abstraction has 1688 states and 2435 transitions. [2022-04-05 04:13:48,074 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2435 transitions. [2022-04-05 04:13:48,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-04-05 04:13:48,076 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:48,076 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:48,076 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-05 04:13:48,077 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:48,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:48,077 INFO L85 PathProgramCache]: Analyzing trace with hash 185891438, now seen corresponding path program 1 times [2022-04-05 04:13:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:48,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018623524] [2022-04-05 04:13:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-04-05 04:13:48,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:48,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018623524] [2022-04-05 04:13:48,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018623524] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:48,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21645086] [2022-04-05 04:13:48,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:48,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:48,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:48,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:13:48,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 04:13:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:48,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:13:48,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-04-05 04:13:48,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:13:48,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21645086] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:48,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:13:48,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-05 04:13:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477589615] [2022-04-05 04:13:48,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:48,491 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:13:48,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:48,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:13:48,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:48,492 INFO L87 Difference]: Start difference. First operand 1688 states and 2435 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:48,544 INFO L93 Difference]: Finished difference Result 2216 states and 3196 transitions. [2022-04-05 04:13:48,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:13:48,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 194 [2022-04-05 04:13:48,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:48,550 INFO L225 Difference]: With dead ends: 2216 [2022-04-05 04:13:48,550 INFO L226 Difference]: Without dead ends: 2216 [2022-04-05 04:13:48,550 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:48,551 INFO L913 BasicCegarLoop]: 208 mSDtfsCounter, 163 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:48,551 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 389 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:13:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-04-05 04:13:48,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2216. [2022-04-05 04:13:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 2211 states have (on average 1.4436906377204886) internal successors, (3192), 2211 states have internal predecessors, (3192), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3196 transitions. [2022-04-05 04:13:48,572 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3196 transitions. Word has length 194 [2022-04-05 04:13:48,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:48,572 INFO L478 AbstractCegarLoop]: Abstraction has 2216 states and 3196 transitions. [2022-04-05 04:13:48,573 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3196 transitions. [2022-04-05 04:13:48,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-04-05 04:13:48,576 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:48,576 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:48,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-05 04:13:48,810 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-04-05 04:13:48,810 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:48,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:48,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1029501384, now seen corresponding path program 1 times [2022-04-05 04:13:48,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:48,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690570352] [2022-04-05 04:13:48,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:48,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-04-05 04:13:48,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:48,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690570352] [2022-04-05 04:13:48,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690570352] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:48,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:48,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:48,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046166357] [2022-04-05 04:13:48,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:48,857 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:48,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:48,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:48,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:48,858 INFO L87 Difference]: Start difference. First operand 2216 states and 3196 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:49,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:49,077 INFO L93 Difference]: Finished difference Result 2736 states and 3942 transitions. [2022-04-05 04:13:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:49,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 293 [2022-04-05 04:13:49,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:49,085 INFO L225 Difference]: With dead ends: 2736 [2022-04-05 04:13:49,085 INFO L226 Difference]: Without dead ends: 2736 [2022-04-05 04:13:49,085 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:49,085 INFO L913 BasicCegarLoop]: 404 mSDtfsCounter, 381 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:49,085 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 411 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:49,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2022-04-05 04:13:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 2736. [2022-04-05 04:13:49,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2736 states, 2731 states have (on average 1.4419626510435737) internal successors, (3938), 2731 states have internal predecessors, (3938), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:49,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3942 transitions. [2022-04-05 04:13:49,133 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3942 transitions. Word has length 293 [2022-04-05 04:13:49,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:49,133 INFO L478 AbstractCegarLoop]: Abstraction has 2736 states and 3942 transitions. [2022-04-05 04:13:49,133 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3942 transitions. [2022-04-05 04:13:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-04-05 04:13:49,136 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:49,137 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:49,137 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-05 04:13:49,137 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:49,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:49,137 INFO L85 PathProgramCache]: Analyzing trace with hash -905428137, now seen corresponding path program 1 times [2022-04-05 04:13:49,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:49,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95693354] [2022-04-05 04:13:49,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:49,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-04-05 04:13:49,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:49,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95693354] [2022-04-05 04:13:49,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95693354] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:49,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:49,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:49,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490163951] [2022-04-05 04:13:49,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:49,221 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:49,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:49,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:49,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:49,222 INFO L87 Difference]: Start difference. First operand 2736 states and 3942 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:49,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:49,554 INFO L93 Difference]: Finished difference Result 3225 states and 4645 transitions. [2022-04-05 04:13:49,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:49,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (3), 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 293 [2022-04-05 04:13:49,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:49,582 INFO L225 Difference]: With dead ends: 3225 [2022-04-05 04:13:49,583 INFO L226 Difference]: Without dead ends: 3225 [2022-04-05 04:13:49,583 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:49,583 INFO L913 BasicCegarLoop]: 407 mSDtfsCounter, 390 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:49,583 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [390 Valid, 414 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:49,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3225 states. [2022-04-05 04:13:49,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3225 to 3225. [2022-04-05 04:13:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3225 states, 3220 states have (on average 1.441304347826087) internal successors, (4641), 3220 states have internal predecessors, (4641), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 3225 states and 4645 transitions. [2022-04-05 04:13:49,655 INFO L78 Accepts]: Start accepts. Automaton has 3225 states and 4645 transitions. Word has length 293 [2022-04-05 04:13:49,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:49,655 INFO L478 AbstractCegarLoop]: Abstraction has 3225 states and 4645 transitions. [2022-04-05 04:13:49,655 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 4645 transitions. [2022-04-05 04:13:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-04-05 04:13:49,659 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:49,660 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:49,660 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-05 04:13:49,660 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:49,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash 203387062, now seen corresponding path program 1 times [2022-04-05 04:13:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:49,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322966901] [2022-04-05 04:13:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 478 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-04-05 04:13:49,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:49,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322966901] [2022-04-05 04:13:49,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322966901] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:49,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:49,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:49,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760098170] [2022-04-05 04:13:49,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:49,702 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:49,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:49,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:49,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:49,702 INFO L87 Difference]: Start difference. First operand 3225 states and 4645 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:49,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:49,993 INFO L93 Difference]: Finished difference Result 3716 states and 5350 transitions. [2022-04-05 04:13:49,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:49,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 293 [2022-04-05 04:13:49,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:49,999 INFO L225 Difference]: With dead ends: 3716 [2022-04-05 04:13:49,999 INFO L226 Difference]: Without dead ends: 3716 [2022-04-05 04:13:50,001 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:50,002 INFO L913 BasicCegarLoop]: 407 mSDtfsCounter, 392 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:50,002 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [392 Valid, 414 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2022-04-05 04:13:50,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 3716. [2022-04-05 04:13:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3716 states, 3711 states have (on average 1.4405820533548908) internal successors, (5346), 3711 states have internal predecessors, (5346), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 5350 transitions. [2022-04-05 04:13:50,090 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 5350 transitions. Word has length 293 [2022-04-05 04:13:50,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:50,091 INFO L478 AbstractCegarLoop]: Abstraction has 3716 states and 5350 transitions. [2022-04-05 04:13:50,091 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 5350 transitions. [2022-04-05 04:13:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-04-05 04:13:50,095 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:50,096 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:50,096 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-05 04:13:50,096 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:50,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash -783195627, now seen corresponding path program 1 times [2022-04-05 04:13:50,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:50,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062152449] [2022-04-05 04:13:50,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:50,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-04-05 04:13:50,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:50,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062152449] [2022-04-05 04:13:50,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062152449] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:50,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:50,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492980299] [2022-04-05 04:13:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:50,141 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:50,142 INFO L87 Difference]: Start difference. First operand 3716 states and 5350 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:50,436 INFO L93 Difference]: Finished difference Result 4209 states and 6057 transitions. [2022-04-05 04:13:50,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:50,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 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 293 [2022-04-05 04:13:50,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:50,443 INFO L225 Difference]: With dead ends: 4209 [2022-04-05 04:13:50,443 INFO L226 Difference]: Without dead ends: 4209 [2022-04-05 04:13:50,443 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:50,443 INFO L913 BasicCegarLoop]: 407 mSDtfsCounter, 421 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:50,444 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 414 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:13:50,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2022-04-05 04:13:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 4209. [2022-04-05 04:13:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4209 states, 4204 states have (on average 1.4398192197906756) internal successors, (6053), 4204 states have internal predecessors, (6053), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 4209 states and 6057 transitions. [2022-04-05 04:13:50,520 INFO L78 Accepts]: Start accepts. Automaton has 4209 states and 6057 transitions. Word has length 293 [2022-04-05 04:13:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:50,520 INFO L478 AbstractCegarLoop]: Abstraction has 4209 states and 6057 transitions. [2022-04-05 04:13:50,521 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4209 states and 6057 transitions. [2022-04-05 04:13:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2022-04-05 04:13:50,528 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:50,529 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:50,529 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-04-05 04:13:50,529 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:50,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1983637430, now seen corresponding path program 1 times [2022-04-05 04:13:50,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:50,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756978572] [2022-04-05 04:13:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 572 proven. 26 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-04-05 04:13:50,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:50,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756978572] [2022-04-05 04:13:50,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756978572] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:50,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38767405] [2022-04-05 04:13:50,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:50,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:50,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:50,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:13:50,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-05 04:13:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:50,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:13:50,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 572 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2022-04-05 04:13:51,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:13:51,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38767405] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:51,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:13:51,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-05 04:13:51,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719949338] [2022-04-05 04:13:51,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:51,267 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:13:51,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:51,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:13:51,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:51,268 INFO L87 Difference]: Start difference. First operand 4209 states and 6057 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:51,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:51,334 INFO L93 Difference]: Finished difference Result 4737 states and 6825 transitions. [2022-04-05 04:13:51,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:13:51,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 441 [2022-04-05 04:13:51,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:51,341 INFO L225 Difference]: With dead ends: 4737 [2022-04-05 04:13:51,341 INFO L226 Difference]: Without dead ends: 4737 [2022-04-05 04:13:51,341 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:51,342 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 161 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:51,342 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 382 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:51,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4737 states. [2022-04-05 04:13:51,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4737 to 4737. [2022-04-05 04:13:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4737 states, 4732 states have (on average 1.4414623837700762) internal successors, (6821), 4732 states have internal predecessors, (6821), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 6825 transitions. [2022-04-05 04:13:51,388 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 6825 transitions. Word has length 441 [2022-04-05 04:13:51,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:51,388 INFO L478 AbstractCegarLoop]: Abstraction has 4737 states and 6825 transitions. [2022-04-05 04:13:51,388 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 6825 transitions. [2022-04-05 04:13:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2022-04-05 04:13:51,397 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:51,397 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 10, 9, 9, 8, 8, 7, 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:51,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:51,615 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-04-05 04:13:51,615 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:51,615 INFO L85 PathProgramCache]: Analyzing trace with hash -383092453, now seen corresponding path program 1 times [2022-04-05 04:13:51,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:51,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215882972] [2022-04-05 04:13:51,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:51,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 1996 proven. 26 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2022-04-05 04:13:51,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215882972] [2022-04-05 04:13:51,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215882972] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71076611] [2022-04-05 04:13:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:51,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:51,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:51,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:13:51,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-05 04:13:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:51,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:13:51,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3562 backedges. 809 proven. 0 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2022-04-05 04:13:52,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:13:52,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71076611] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:52,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:13:52,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-05 04:13:52,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252492373] [2022-04-05 04:13:52,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:52,535 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:13:52,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:52,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:13:52,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:52,536 INFO L87 Difference]: Start difference. First operand 4737 states and 6825 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:52,592 INFO L93 Difference]: Finished difference Result 5265 states and 7596 transitions. [2022-04-05 04:13:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:13:52,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 592 [2022-04-05 04:13:52,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:52,599 INFO L225 Difference]: With dead ends: 5265 [2022-04-05 04:13:52,600 INFO L226 Difference]: Without dead ends: 5265 [2022-04-05 04:13:52,600 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:52,600 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 161 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:52,600 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 379 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:13:52,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5265 states. [2022-04-05 04:13:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5265 to 5265. [2022-04-05 04:13:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5265 states, 5260 states have (on average 1.4433460076045628) internal successors, (7592), 5260 states have internal predecessors, (7592), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 5265 states and 7596 transitions. [2022-04-05 04:13:52,647 INFO L78 Accepts]: Start accepts. Automaton has 5265 states and 7596 transitions. Word has length 592 [2022-04-05 04:13:52,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:52,648 INFO L478 AbstractCegarLoop]: Abstraction has 5265 states and 7596 transitions. [2022-04-05 04:13:52,648 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 7596 transitions. [2022-04-05 04:13:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2022-04-05 04:13:52,658 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:52,658 INFO L499 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 20, 20, 19, 19, 18, 18, 17, 17, 17, 17, 13, 12, 12, 11, 11, 10, 10, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:52,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:52,871 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:52,872 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:52,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:52,872 INFO L85 PathProgramCache]: Analyzing trace with hash -202144108, now seen corresponding path program 1 times [2022-04-05 04:13:52,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:52,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173606547] [2022-04-05 04:13:52,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:52,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:52,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3420 proven. 26 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2022-04-05 04:13:52,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:52,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173606547] [2022-04-05 04:13:52,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173606547] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:52,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237442819] [2022-04-05 04:13:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:52,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:52,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:52,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:13:52,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-05 04:13:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:53,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-05 04:13:53,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 1047 proven. 0 refuted. 0 times theorem prover too weak. 4631 trivial. 0 not checked. [2022-04-05 04:13:54,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:13:54,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237442819] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:54,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:13:54,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-05 04:13:54,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195372419] [2022-04-05 04:13:54,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:54,009 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:13:54,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:54,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:13:54,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:54,010 INFO L87 Difference]: Start difference. First operand 5265 states and 7596 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:54,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:54,069 INFO L93 Difference]: Finished difference Result 5793 states and 8370 transitions. [2022-04-05 04:13:54,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:13:54,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 746 [2022-04-05 04:13:54,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:54,078 INFO L225 Difference]: With dead ends: 5793 [2022-04-05 04:13:54,078 INFO L226 Difference]: Without dead ends: 5793 [2022-04-05 04:13:54,079 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:13:54,079 INFO L913 BasicCegarLoop]: 195 mSDtfsCounter, 161 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:54,079 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 376 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:13:54,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5793 states. [2022-04-05 04:13:54,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5793 to 5793. [2022-04-05 04:13:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5793 states, 5788 states have (on average 1.4454042847270214) internal successors, (8366), 5788 states have internal predecessors, (8366), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5793 states to 5793 states and 8370 transitions. [2022-04-05 04:13:54,131 INFO L78 Accepts]: Start accepts. Automaton has 5793 states and 8370 transitions. Word has length 746 [2022-04-05 04:13:54,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:54,132 INFO L478 AbstractCegarLoop]: Abstraction has 5793 states and 8370 transitions. [2022-04-05 04:13:54,132 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5793 states and 8370 transitions. [2022-04-05 04:13:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2022-04-05 04:13:54,144 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:54,144 INFO L499 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, 21, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:54,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-05 04:13:54,359 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-04-05 04:13:54,360 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1765124457, now seen corresponding path program 1 times [2022-04-05 04:13:54,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:54,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697703593] [2022-04-05 04:13:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2022-04-05 04:13:54,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:54,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697703593] [2022-04-05 04:13:54,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697703593] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:13:54,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130268165] [2022-04-05 04:13:54,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:54,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:13:54,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:13:54,469 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:13:54,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-05 04:13:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:54,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:13:54,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:13:55,959 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2022-04-05 04:13:55,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:13:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4844 proven. 26 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2022-04-05 04:13:57,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130268165] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:13:57,065 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:13:57,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-05 04:13:57,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655700238] [2022-04-05 04:13:57,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:13:57,066 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-05 04:13:57,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:57,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-05 04:13:57,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:13:57,067 INFO L87 Difference]: Start difference. First operand 5793 states and 8370 transitions. Second operand has 9 states, 9 states have (on average 41.666666666666664) internal successors, (375), 8 states have internal predecessors, (375), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:58,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:58,212 INFO L93 Difference]: Finished difference Result 16472 states and 22611 transitions. [2022-04-05 04:13:58,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-05 04:13:58,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 41.666666666666664) internal successors, (375), 8 states have internal predecessors, (375), 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 903 [2022-04-05 04:13:58,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:58,234 INFO L225 Difference]: With dead ends: 16472 [2022-04-05 04:13:58,234 INFO L226 Difference]: Without dead ends: 14983 [2022-04-05 04:13:58,234 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1827 GetRequests, 1812 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-04-05 04:13:58,234 INFO L913 BasicCegarLoop]: 484 mSDtfsCounter, 1015 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:58,234 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [1015 Valid, 506 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-05 04:13:58,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14983 states. [2022-04-05 04:13:58,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14983 to 6568. [2022-04-05 04:13:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6568 states, 6563 states have (on average 1.4014932195642236) internal successors, (9198), 6563 states have internal predecessors, (9198), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 9202 transitions. [2022-04-05 04:13:58,318 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 9202 transitions. Word has length 903 [2022-04-05 04:13:58,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:58,318 INFO L478 AbstractCegarLoop]: Abstraction has 6568 states and 9202 transitions. [2022-04-05 04:13:58,318 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 41.666666666666664) internal successors, (375), 8 states have internal predecessors, (375), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 9202 transitions. [2022-04-05 04:13:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2022-04-05 04:13:58,331 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:58,332 INFO L499 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, 21, 16, 15, 15, 14, 14, 13, 13, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:58,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-05 04:13:58,549 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-04-05 04:13:58,550 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:58,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:58,550 INFO L85 PathProgramCache]: Analyzing trace with hash 371921449, now seen corresponding path program 1 times [2022-04-05 04:13:58,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:58,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447599201] [2022-04-05 04:13:58,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:58,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8307 backedges. 4418 proven. 0 refuted. 0 times theorem prover too weak. 3889 trivial. 0 not checked. [2022-04-05 04:13:58,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:58,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447599201] [2022-04-05 04:13:58,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447599201] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:58,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:58,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:58,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574265426] [2022-04-05 04:13:58,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:58,697 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:58,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:58,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:58,697 INFO L87 Difference]: Start difference. First operand 6568 states and 9202 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:58,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:58,897 INFO L93 Difference]: Finished difference Result 9262 states and 12750 transitions. [2022-04-05 04:13:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:58,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 1 states have call successors, (3), 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 903 [2022-04-05 04:13:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:58,910 INFO L225 Difference]: With dead ends: 9262 [2022-04-05 04:13:58,910 INFO L226 Difference]: Without dead ends: 9262 [2022-04-05 04:13:58,911 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:58,928 INFO L913 BasicCegarLoop]: 332 mSDtfsCounter, 428 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:58,928 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 339 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:58,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9262 states. [2022-04-05 04:13:59,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9262 to 9110. [2022-04-05 04:13:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9110 states, 9105 states have (on average 1.383196046128501) internal successors, (12594), 9105 states have internal predecessors, (12594), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9110 states to 9110 states and 12598 transitions. [2022-04-05 04:13:59,033 INFO L78 Accepts]: Start accepts. Automaton has 9110 states and 12598 transitions. Word has length 903 [2022-04-05 04:13:59,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:59,033 INFO L478 AbstractCegarLoop]: Abstraction has 9110 states and 12598 transitions. [2022-04-05 04:13:59,033 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 9110 states and 12598 transitions. [2022-04-05 04:13:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1152 [2022-04-05 04:13:59,050 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:59,051 INFO L499 BasicCegarLoop]: trace histogram [42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 41, 41, 37, 37, 37, 32, 32, 27, 27, 22, 22, 17, 17, 17, 17, 12, 11, 11, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:59,051 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-04-05 04:13:59,051 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:59,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:59,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1293795642, now seen corresponding path program 1 times [2022-04-05 04:13:59,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:59,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695189234] [2022-04-05 04:13:59,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:59,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 16425 backedges. 6596 proven. 0 refuted. 0 times theorem prover too weak. 9829 trivial. 0 not checked. [2022-04-05 04:13:59,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:59,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695189234] [2022-04-05 04:13:59,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695189234] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:59,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:59,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:59,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487111095] [2022-04-05 04:13:59,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:59,216 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:59,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:59,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:59,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:59,217 INFO L87 Difference]: Start difference. First operand 9110 states and 12598 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:59,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:59,407 INFO L93 Difference]: Finished difference Result 9300 states and 12656 transitions. [2022-04-05 04:13:59,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:59,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 1 states have call successors, (3), 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 1151 [2022-04-05 04:13:59,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:59,420 INFO L225 Difference]: With dead ends: 9300 [2022-04-05 04:13:59,421 INFO L226 Difference]: Without dead ends: 9300 [2022-04-05 04:13:59,421 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:59,421 INFO L913 BasicCegarLoop]: 219 mSDtfsCounter, 330 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:59,421 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 226 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:13:59,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9300 states. [2022-04-05 04:13:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9300 to 9110. [2022-04-05 04:13:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9110 states, 9105 states have (on average 1.3645249862712796) internal successors, (12424), 9105 states have internal predecessors, (12424), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9110 states to 9110 states and 12428 transitions. [2022-04-05 04:13:59,501 INFO L78 Accepts]: Start accepts. Automaton has 9110 states and 12428 transitions. Word has length 1151 [2022-04-05 04:13:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:13:59,502 INFO L478 AbstractCegarLoop]: Abstraction has 9110 states and 12428 transitions. [2022-04-05 04:13:59,502 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 9110 states and 12428 transitions. [2022-04-05 04:13:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1208 [2022-04-05 04:13:59,520 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:13:59,520 INFO L499 BasicCegarLoop]: trace histogram [46, 46, 46, 45, 45, 42, 42, 42, 42, 42, 42, 42, 37, 37, 37, 32, 32, 27, 27, 22, 22, 17, 17, 17, 17, 12, 11, 11, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:13:59,520 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-04-05 04:13:59,520 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:13:59,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:13:59,521 INFO L85 PathProgramCache]: Analyzing trace with hash -615695354, now seen corresponding path program 1 times [2022-04-05 04:13:59,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:13:59,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984214061] [2022-04-05 04:13:59,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:13:59,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:13:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:13:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:13:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 17509 backedges. 6635 proven. 0 refuted. 0 times theorem prover too weak. 10874 trivial. 0 not checked. [2022-04-05 04:13:59,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:13:59,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984214061] [2022-04-05 04:13:59,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984214061] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:13:59,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:13:59,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:13:59,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402918135] [2022-04-05 04:13:59,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:13:59,747 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:13:59,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:13:59,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:13:59,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:13:59,747 INFO L87 Difference]: Start difference. First operand 9110 states and 12428 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:13:59,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:13:59,911 INFO L93 Difference]: Finished difference Result 9346 states and 12637 transitions. [2022-04-05 04:13:59,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:13:59,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 1 states have call successors, (3), 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 1207 [2022-04-05 04:13:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:13:59,924 INFO L225 Difference]: With dead ends: 9346 [2022-04-05 04:13:59,925 INFO L226 Difference]: Without dead ends: 9346 [2022-04-05 04:13:59,926 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:13:59,927 INFO L913 BasicCegarLoop]: 216 mSDtfsCounter, 419 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:13:59,927 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 223 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:13:59,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9346 states. [2022-04-05 04:14:00,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9346 to 9110. [2022-04-05 04:14:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9110 states, 9105 states have (on average 1.357276221856123) internal successors, (12358), 9105 states have internal predecessors, (12358), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9110 states to 9110 states and 12362 transitions. [2022-04-05 04:14:00,087 INFO L78 Accepts]: Start accepts. Automaton has 9110 states and 12362 transitions. Word has length 1207 [2022-04-05 04:14:00,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:14:00,088 INFO L478 AbstractCegarLoop]: Abstraction has 9110 states and 12362 transitions. [2022-04-05 04:14:00,088 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9110 states and 12362 transitions. [2022-04-05 04:14:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1374 [2022-04-05 04:14:00,106 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:14:00,106 INFO L499 BasicCegarLoop]: trace histogram [50, 50, 50, 49, 49, 46, 46, 46, 46, 46, 46, 46, 41, 41, 41, 36, 36, 31, 31, 26, 26, 21, 21, 21, 21, 16, 15, 15, 14, 14, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:14:00,106 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-04-05 04:14:00,107 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:14:00,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:14:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1446317594, now seen corresponding path program 1 times [2022-04-05 04:14:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:14:00,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936555839] [2022-04-05 04:14:00,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:14:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:14:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:14:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:14:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:14:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 21645 backedges. 8212 proven. 0 refuted. 0 times theorem prover too weak. 13433 trivial. 0 not checked. [2022-04-05 04:14:00,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:14:00,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936555839] [2022-04-05 04:14:00,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936555839] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:14:00,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:14:00,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:14:00,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646517492] [2022-04-05 04:14:00,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:14:00,276 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:14:00,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:14:00,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:14:00,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:14:00,277 INFO L87 Difference]: Start difference. First operand 9110 states and 12362 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:14:00,424 INFO L93 Difference]: Finished difference Result 9239 states and 12476 transitions. [2022-04-05 04:14:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:14:00,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 1 states have call successors, (3), 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 1373 [2022-04-05 04:14:00,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:14:00,436 INFO L225 Difference]: With dead ends: 9239 [2022-04-05 04:14:00,436 INFO L226 Difference]: Without dead ends: 9239 [2022-04-05 04:14:00,436 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:14:00,438 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 434 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:14:00,438 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 220 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:14:00,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9239 states. [2022-04-05 04:14:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9239 to 9110. [2022-04-05 04:14:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9110 states, 9105 states have (on average 1.3535420098846787) internal successors, (12324), 9105 states have internal predecessors, (12324), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9110 states to 9110 states and 12328 transitions. [2022-04-05 04:14:00,559 INFO L78 Accepts]: Start accepts. Automaton has 9110 states and 12328 transitions. Word has length 1373 [2022-04-05 04:14:00,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:14:00,559 INFO L478 AbstractCegarLoop]: Abstraction has 9110 states and 12328 transitions. [2022-04-05 04:14:00,559 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 9110 states and 12328 transitions. [2022-04-05 04:14:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1492 [2022-04-05 04:14:00,579 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:14:00,579 INFO L499 BasicCegarLoop]: trace histogram [50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 49, 49, 45, 45, 45, 40, 40, 35, 35, 30, 30, 25, 25, 25, 25, 20, 19, 19, 18, 18, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:14:00,580 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-04-05 04:14:00,580 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:14:00,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:14:00,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1179217455, now seen corresponding path program 1 times [2022-04-05 04:14:00,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:14:00,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629806518] [2022-04-05 04:14:00,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:14:00,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:14:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:14:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:14:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:14:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 25077 backedges. 9960 proven. 0 refuted. 0 times theorem prover too weak. 15117 trivial. 0 not checked. [2022-04-05 04:14:00,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:14:00,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629806518] [2022-04-05 04:14:00,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629806518] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:14:00,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:14:00,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:14:00,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206565688] [2022-04-05 04:14:00,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:14:00,803 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:14:00,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:14:00,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:14:00,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:14:00,803 INFO L87 Difference]: Start difference. First operand 9110 states and 12328 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:14:00,968 INFO L93 Difference]: Finished difference Result 9410 states and 12635 transitions. [2022-04-05 04:14:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:14:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 1 states have call successors, (3), 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 1491 [2022-04-05 04:14:00,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:14:01,001 INFO L225 Difference]: With dead ends: 9410 [2022-04-05 04:14:01,001 INFO L226 Difference]: Without dead ends: 9344 [2022-04-05 04:14:01,002 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:14:01,002 INFO L913 BasicCegarLoop]: 254 mSDtfsCounter, 266 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:14:01,002 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 261 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:14:01,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9344 states. [2022-04-05 04:14:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9344 to 9264. [2022-04-05 04:14:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9264 states, 9259 states have (on average 1.3466897073118047) internal successors, (12469), 9259 states have internal predecessors, (12469), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9264 states to 9264 states and 12473 transitions. [2022-04-05 04:14:01,127 INFO L78 Accepts]: Start accepts. Automaton has 9264 states and 12473 transitions. Word has length 1491 [2022-04-05 04:14:01,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:14:01,128 INFO L478 AbstractCegarLoop]: Abstraction has 9264 states and 12473 transitions. [2022-04-05 04:14:01,128 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9264 states and 12473 transitions. [2022-04-05 04:14:01,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1552 [2022-04-05 04:14:01,147 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:14:01,148 INFO L499 BasicCegarLoop]: trace histogram [54, 54, 54, 54, 53, 53, 50, 50, 50, 50, 50, 50, 45, 45, 45, 40, 40, 35, 35, 30, 30, 25, 25, 25, 25, 20, 19, 19, 18, 18, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:14:01,148 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-04-05 04:14:01,148 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:14:01,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:14:01,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1656302953, now seen corresponding path program 1 times [2022-04-05 04:14:01,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:14:01,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377929880] [2022-04-05 04:14:01,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:14:01,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:14:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:14:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:14:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:14:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 26559 backedges. 10094 proven. 0 refuted. 0 times theorem prover too weak. 16465 trivial. 0 not checked. [2022-04-05 04:14:01,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:14:01,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377929880] [2022-04-05 04:14:01,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377929880] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:14:01,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:14:01,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:14:01,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630384833] [2022-04-05 04:14:01,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:14:01,369 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:14:01,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:14:01,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:14:01,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:14:01,369 INFO L87 Difference]: Start difference. First operand 9264 states and 12473 transitions. Second operand has 4 states, 4 states have (on average 59.0) internal successors, (236), 3 states have internal predecessors, (236), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:01,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:14:01,533 INFO L93 Difference]: Finished difference Result 7372 states and 9591 transitions. [2022-04-05 04:14:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:14:01,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 3 states have internal predecessors, (236), 1 states have call successors, (3), 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 1551 [2022-04-05 04:14:01,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:14:01,534 INFO L225 Difference]: With dead ends: 7372 [2022-04-05 04:14:01,534 INFO L226 Difference]: Without dead ends: 0 [2022-04-05 04:14:01,534 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:14:01,534 INFO L913 BasicCegarLoop]: 189 mSDtfsCounter, 416 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:14:01,534 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 196 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:14:01,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-05 04:14:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-05 04:14:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-05 04:14:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-05 04:14:01,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1551 [2022-04-05 04:14:01,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:14:01,535 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-05 04:14:01,535 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 3 states have internal predecessors, (236), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:14:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-05 04:14:01,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-05 04:14:01,537 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-05 04:14:01,537 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-04-05 04:14:01,539 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:14:01,540 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-05 04:14:01,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:14:01 BasicIcfg [2022-04-05 04:14:01,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-05 04:14:01,542 INFO L158 Benchmark]: Toolchain (without parser) took 25380.66ms. Allocated memory was 180.4MB in the beginning and 570.4MB in the end (delta: 390.1MB). Free memory was 155.5MB in the beginning and 243.6MB in the end (delta: -88.1MB). Peak memory consumption was 301.8MB. Max. memory is 8.0GB. [2022-04-05 04:14:01,542 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 04:14:01,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.17ms. Allocated memory was 180.4MB in the beginning and 273.7MB in the end (delta: 93.3MB). Free memory was 155.2MB in the beginning and 242.2MB in the end (delta: -86.9MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-04-05 04:14:01,542 INFO L158 Benchmark]: Boogie Preprocessor took 50.31ms. Allocated memory is still 273.7MB. Free memory was 242.2MB in the beginning and 239.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-05 04:14:01,542 INFO L158 Benchmark]: RCFGBuilder took 565.27ms. Allocated memory is still 273.7MB. Free memory was 239.8MB in the beginning and 209.6MB in the end (delta: 30.2MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-04-05 04:14:01,542 INFO L158 Benchmark]: IcfgTransformer took 51.59ms. Allocated memory is still 273.7MB. Free memory was 209.6MB in the beginning and 206.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 04:14:01,542 INFO L158 Benchmark]: TraceAbstraction took 24390.63ms. Allocated memory was 273.7MB in the beginning and 570.4MB in the end (delta: 296.7MB). Free memory was 205.9MB in the beginning and 243.6MB in the end (delta: -37.7MB). Peak memory consumption was 259.9MB. Max. memory is 8.0GB. [2022-04-05 04:14:01,548 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 180.4MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.17ms. Allocated memory was 180.4MB in the beginning and 273.7MB in the end (delta: 93.3MB). Free memory was 155.2MB in the beginning and 242.2MB in the end (delta: -86.9MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.31ms. Allocated memory is still 273.7MB. Free memory was 242.2MB in the beginning and 239.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 565.27ms. Allocated memory is still 273.7MB. Free memory was 239.8MB in the beginning and 209.6MB in the end (delta: 30.2MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * IcfgTransformer took 51.59ms. Allocated memory is still 273.7MB. Free memory was 209.6MB in the beginning and 206.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 24390.63ms. Allocated memory was 273.7MB in the beginning and 570.4MB in the end (delta: 296.7MB). Free memory was 205.9MB in the beginning and 243.6MB in the end (delta: -37.7MB). Peak memory consumption was 259.9MB. 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: 679]: 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, 167 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 46, TraceHistogramMax: 54, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26970 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26970 mSDsluCounter, 11702 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1297 mSDsCounter, 1885 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14550 IncrementalHoareTripleChecker+Invalid, 16435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1885 mSolverCounterUnsat, 10405 mSDtfsCounter, 14550 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4184 GetRequests, 3926 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9264occurred in iteration=45, InterpolantAutomatonStates: 239, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 46 MinimizatonAttempts, 9865 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 18634 NumberOfCodeBlocks, 18634 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 19485 ConstructedInterpolants, 0 QuantifiedInterpolants, 24961 SizeOfPredicates, 1 NumberOfNonLiveVariables, 4865 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 52 InterpolantComputations, 45 PerfectInterpolantSequences, 171221/171403 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-05 04:14:01,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...