/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-04 23:22:58,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-04 23:22:58,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-04 23:22:58,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-04 23:22:58,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-04 23:22:58,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-04 23:22:58,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-04 23:22:58,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-04 23:22:58,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-04 23:22:58,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-04 23:22:58,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-04 23:22:58,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-04 23:22:58,699 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-04 23:22:58,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-04 23:22:58,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-04 23:22:58,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-04 23:22:58,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-04 23:22:58,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-04 23:22:58,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-04 23:22:58,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-04 23:22:58,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-04 23:22:58,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-04-04 23:22:58,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-04 23:22:58,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-04 23:22:58,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-04 23:22:58,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-04 23:22:58,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-04 23:22:58,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-04 23:22:58,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-04 23:22:58,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-04 23:22:58,751 INFO L138 SettingsManager]: * Use SBE=true [2022-04-04 23:22:58,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-04 23:22:58,752 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-04 23:22:58,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-04 23:22:58,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-04 23:22:58,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-04 23:22:58,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-04 23:22:58,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-04 23:22:58,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-04 23:22:58,753 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-04 23:22:58,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-04 23:22:58,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-04 23:22:58,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-04 23:22:58,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-04 23:22:58,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-04 23:22:58,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-04 23:22:58,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-04 23:22:58,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-04 23:22:58,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-04 23:22:58,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-04 23:22:58,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-04 23:22:58,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-04 23:22:58,755 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-04 23:22:58,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-04 23:22:58,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-04 23:22:58,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-04 23:22:58,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-04 23:22:58,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-04 23:22:58,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-04 23:22:58,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-04 23:22:58,982 INFO L275 PluginConnector]: CDTParser initialized [2022-04-04 23:22:58,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-04-04 23:22:59,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d95225a/e7f87e0452794027a43ea83e64fa2cc9/FLAG976d97695 [2022-04-04 23:22:59,460 INFO L306 CDTParser]: Found 1 translation units. [2022-04-04 23:22:59,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-04-04 23:22:59,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d95225a/e7f87e0452794027a43ea83e64fa2cc9/FLAG976d97695 [2022-04-04 23:22:59,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47d95225a/e7f87e0452794027a43ea83e64fa2cc9 [2022-04-04 23:22:59,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-04 23:22:59,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-04 23:22:59,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-04 23:22:59,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-04 23:22:59,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-04 23:22:59,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:22:59" (1/1) ... [2022-04-04 23:22:59,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7566e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:22:59, skipping insertion in model container [2022-04-04 23:22:59,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:22:59" (1/1) ... [2022-04-04 23:22:59,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-04 23:22:59,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-04 23:23:00,121 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_2.cil-1.c[42877,42890] [2022-04-04 23:23:00,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-04 23:23:00,133 INFO L203 MainTranslator]: Completed pre-run [2022-04-04 23:23:00,178 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_2.cil-1.c[42877,42890] [2022-04-04 23:23:00,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-04 23:23:00,193 INFO L208 MainTranslator]: Completed translation [2022-04-04 23:23:00,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00 WrapperNode [2022-04-04 23:23:00,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-04 23:23:00,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-04 23:23:00,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-04 23:23:00,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-04 23:23:00,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-04 23:23:00,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-04 23:23:00,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-04 23:23:00,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-04 23:23:00,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (1/1) ... [2022-04-04 23:23:00,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-04 23:23:00,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:00,280 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) [2022-04-04 23:23:00,297 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 [2022-04-04 23:23:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-04 23:23:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-04 23:23:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-04 23:23:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-04 23:23:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-04 23:23:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-04 23:23:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-04 23:23:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-04 23:23:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-04 23:23:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-04 23:23:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-04 23:23:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-04 23:23:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-04 23:23:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-04 23:23:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-04 23:23:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-04 23:23:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-04 23:23:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-04 23:23:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-04 23:23:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-04 23:23:00,396 INFO L234 CfgBuilder]: Building ICFG [2022-04-04 23:23:00,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-04 23:23:00,470 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-04 23:23:00,826 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-04-04 23:23:00,826 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-04-04 23:23:00,833 INFO L275 CfgBuilder]: Performing block encoding [2022-04-04 23:23:00,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-04 23:23:00,840 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-04 23:23:00,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:23:00 BoogieIcfgContainer [2022-04-04 23:23:00,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-04 23:23:00,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-04 23:23:00,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-04 23:23:00,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-04 23:23:00,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 11:22:59" (1/3) ... [2022-04-04 23:23:00,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68911939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:23:00, skipping insertion in model container [2022-04-04 23:23:00,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:23:00" (2/3) ... [2022-04-04 23:23:00,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68911939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:23:00, skipping insertion in model container [2022-04-04 23:23:00,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:23:00" (3/3) ... [2022-04-04 23:23:00,858 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2022-04-04 23:23:00,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-04 23:23:00,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-04 23:23:00,932 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-04 23:23:00,937 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2022-04-04 23:23:00,938 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-04 23:23:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 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) [2022-04-04 23:23:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-04 23:23:00,967 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:00,968 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] [2022-04-04 23:23:00,968 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:00,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:00,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1867927467, now seen corresponding path program 1 times [2022-04-04 23:23:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:00,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40545392] [2022-04-04 23:23:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:00,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-04 23:23:01,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:01,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40545392] [2022-04-04 23:23:01,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40545392] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:01,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:01,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:01,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079182183] [2022-04-04 23:23:01,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:01,269 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:01,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:01,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:01,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:01,296 INFO L87 Difference]: Start difference. First operand has 150 states, 142 states have (on average 1.7112676056338028) internal successors, (243), 143 states have internal predecessors, (243), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:01,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:01,613 INFO L93 Difference]: Finished difference Result 414 states and 701 transitions. [2022-04-04 23:23:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:01,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 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 50 [2022-04-04 23:23:01,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:01,633 INFO L225 Difference]: With dead ends: 414 [2022-04-04 23:23:01,634 INFO L226 Difference]: Without dead ends: 251 [2022-04-04 23:23:01,638 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 [2022-04-04 23:23:01,643 INFO L913 BasicCegarLoop]: 240 mSDtfsCounter, 634 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:01,657 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 249 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:01,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-04-04 23:23:01,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-04-04 23:23:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 246 states have (on average 1.524390243902439) internal successors, (375), 246 states have internal predecessors, (375), 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) [2022-04-04 23:23:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2022-04-04 23:23:01,719 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 50 [2022-04-04 23:23:01,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:01,720 INFO L478 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2022-04-04 23:23:01,720 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2022-04-04 23:23:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-04 23:23:01,723 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:01,723 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:01,724 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-04 23:23:01,724 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:01,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:01,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1459295990, now seen corresponding path program 1 times [2022-04-04 23:23:01,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:01,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027262207] [2022-04-04 23:23:01,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:01,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-04 23:23:01,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:01,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027262207] [2022-04-04 23:23:01,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027262207] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:01,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:01,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:01,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438438762] [2022-04-04 23:23:01,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:01,824 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:01,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:01,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:01,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:01,825 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:02,097 INFO L93 Difference]: Finished difference Result 402 states and 615 transitions. [2022-04-04 23:23:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:02,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 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 66 [2022-04-04 23:23:02,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:02,101 INFO L225 Difference]: With dead ends: 402 [2022-04-04 23:23:02,102 INFO L226 Difference]: Without dead ends: 282 [2022-04-04 23:23:02,103 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 [2022-04-04 23:23:02,105 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 219 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:02,105 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 220 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:02,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-04-04 23:23:02,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 272. [2022-04-04 23:23:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 267 states have (on average 1.5018726591760299) internal successors, (401), 267 states have internal predecessors, (401), 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) [2022-04-04 23:23:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 405 transitions. [2022-04-04 23:23:02,131 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 405 transitions. Word has length 66 [2022-04-04 23:23:02,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:02,131 INFO L478 AbstractCegarLoop]: Abstraction has 272 states and 405 transitions. [2022-04-04 23:23:02,131 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 405 transitions. [2022-04-04 23:23:02,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-04-04 23:23:02,134 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:02,134 INFO L499 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:02,134 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-04 23:23:02,135 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:02,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash 598674235, now seen corresponding path program 1 times [2022-04-04 23:23:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:02,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128854750] [2022-04-04 23:23:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:02,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-04 23:23:02,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:02,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128854750] [2022-04-04 23:23:02,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128854750] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:02,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:02,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:02,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929407568] [2022-04-04 23:23:02,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:02,283 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:02,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:02,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:02,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:02,284 INFO L87 Difference]: Start difference. First operand 272 states and 405 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:02,555 INFO L93 Difference]: Finished difference Result 622 states and 957 transitions. [2022-04-04 23:23:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:02,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 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 87 [2022-04-04 23:23:02,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:02,558 INFO L225 Difference]: With dead ends: 622 [2022-04-04 23:23:02,558 INFO L226 Difference]: Without dead ends: 364 [2022-04-04 23:23:02,560 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 [2022-04-04 23:23:02,565 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 216 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:02,567 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 221 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:02,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-04-04 23:23:02,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 356. [2022-04-04 23:23:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 351 states have (on average 1.4102564102564104) internal successors, (495), 351 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) [2022-04-04 23:23:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 499 transitions. [2022-04-04 23:23:02,595 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 499 transitions. Word has length 87 [2022-04-04 23:23:02,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:02,595 INFO L478 AbstractCegarLoop]: Abstraction has 356 states and 499 transitions. [2022-04-04 23:23:02,595 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 499 transitions. [2022-04-04 23:23:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-04-04 23:23:02,598 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:02,598 INFO L499 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:02,599 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-04 23:23:02,599 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:02,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:02,599 INFO L85 PathProgramCache]: Analyzing trace with hash 846820729, now seen corresponding path program 1 times [2022-04-04 23:23:02,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:02,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026470928] [2022-04-04 23:23:02,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:02,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-04 23:23:02,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:02,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026470928] [2022-04-04 23:23:02,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026470928] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:02,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:02,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:02,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51490096] [2022-04-04 23:23:02,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:02,717 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:02,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:02,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:02,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:02,718 INFO L87 Difference]: Start difference. First operand 356 states and 499 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:02,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:02,933 INFO L93 Difference]: Finished difference Result 752 states and 1074 transitions. [2022-04-04 23:23:02,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:02,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 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 87 [2022-04-04 23:23:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:02,936 INFO L225 Difference]: With dead ends: 752 [2022-04-04 23:23:02,936 INFO L226 Difference]: Without dead ends: 410 [2022-04-04 23:23:02,937 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 [2022-04-04 23:23:02,938 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 214 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:02,938 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 221 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:02,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-04-04 23:23:02,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 402. [2022-04-04 23:23:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 397 states have (on average 1.3879093198992443) internal successors, (551), 397 states have internal predecessors, (551), 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) [2022-04-04 23:23:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 555 transitions. [2022-04-04 23:23:02,952 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 555 transitions. Word has length 87 [2022-04-04 23:23:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:02,953 INFO L478 AbstractCegarLoop]: Abstraction has 402 states and 555 transitions. [2022-04-04 23:23:02,953 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 555 transitions. [2022-04-04 23:23:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-04-04 23:23:02,955 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:02,955 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:02,955 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-04 23:23:02,955 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:02,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:02,956 INFO L85 PathProgramCache]: Analyzing trace with hash 871756056, now seen corresponding path program 1 times [2022-04-04 23:23:02,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:02,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634339086] [2022-04-04 23:23:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:02,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-04 23:23:03,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:03,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634339086] [2022-04-04 23:23:03,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634339086] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:03,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:03,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:03,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968549438] [2022-04-04 23:23:03,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:03,021 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:03,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:03,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:03,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:03,022 INFO L87 Difference]: Start difference. First operand 402 states and 555 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:03,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:03,261 INFO L93 Difference]: Finished difference Result 866 states and 1226 transitions. [2022-04-04 23:23:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:03,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 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 108 [2022-04-04 23:23:03,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:03,271 INFO L225 Difference]: With dead ends: 866 [2022-04-04 23:23:03,271 INFO L226 Difference]: Without dead ends: 478 [2022-04-04 23:23:03,272 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 [2022-04-04 23:23:03,273 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 246 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:03,273 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 220 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:03,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-04-04 23:23:03,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 452. [2022-04-04 23:23:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 447 states have (on average 1.366890380313199) internal successors, (611), 447 states have internal predecessors, (611), 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) [2022-04-04 23:23:03,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 615 transitions. [2022-04-04 23:23:03,289 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 615 transitions. Word has length 108 [2022-04-04 23:23:03,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:03,290 INFO L478 AbstractCegarLoop]: Abstraction has 452 states and 615 transitions. [2022-04-04 23:23:03,290 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2022-04-04 23:23:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-04 23:23:03,292 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:03,293 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:03,293 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-04 23:23:03,294 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:03,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:03,294 INFO L85 PathProgramCache]: Analyzing trace with hash 230642199, now seen corresponding path program 1 times [2022-04-04 23:23:03,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:03,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096316268] [2022-04-04 23:23:03,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-04-04 23:23:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:03,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096316268] [2022-04-04 23:23:03,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096316268] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:03,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:03,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282674454] [2022-04-04 23:23:03,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:03,403 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:03,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:03,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:03,404 INFO L87 Difference]: Start difference. First operand 452 states and 615 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:03,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:03,608 INFO L93 Difference]: Finished difference Result 885 states and 1211 transitions. [2022-04-04 23:23:03,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:03,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-04-04 23:23:03,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:03,612 INFO L225 Difference]: With dead ends: 885 [2022-04-04 23:23:03,612 INFO L226 Difference]: Without dead ends: 654 [2022-04-04 23:23:03,613 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 [2022-04-04 23:23:03,613 INFO L913 BasicCegarLoop]: 370 mSDtfsCounter, 330 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:03,614 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 377 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:03,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2022-04-04 23:23:03,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2022-04-04 23:23:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 649 states have (on average 1.3667180277349769) internal successors, (887), 649 states have internal predecessors, (887), 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) [2022-04-04 23:23:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 891 transitions. [2022-04-04 23:23:03,632 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 891 transitions. Word has length 127 [2022-04-04 23:23:03,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:03,632 INFO L478 AbstractCegarLoop]: Abstraction has 654 states and 891 transitions. [2022-04-04 23:23:03,633 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 891 transitions. [2022-04-04 23:23:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-04 23:23:03,635 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:03,635 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:03,635 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-04 23:23:03,635 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:03,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:03,636 INFO L85 PathProgramCache]: Analyzing trace with hash -666751079, now seen corresponding path program 1 times [2022-04-04 23:23:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:03,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640058011] [2022-04-04 23:23:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:03,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-04-04 23:23:03,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:03,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640058011] [2022-04-04 23:23:03,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640058011] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:03,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:03,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:03,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296805127] [2022-04-04 23:23:03,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:03,694 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:03,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:03,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:03,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:03,695 INFO L87 Difference]: Start difference. First operand 654 states and 891 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:03,904 INFO L93 Difference]: Finished difference Result 1314 states and 1794 transitions. [2022-04-04 23:23:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:03,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2022-04-04 23:23:03,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:03,908 INFO L225 Difference]: With dead ends: 1314 [2022-04-04 23:23:03,908 INFO L226 Difference]: Without dead ends: 881 [2022-04-04 23:23:03,909 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 [2022-04-04 23:23:03,910 INFO L913 BasicCegarLoop]: 372 mSDtfsCounter, 331 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:03,910 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 379 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-04-04 23:23:03,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2022-04-04 23:23:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 876 states have (on average 1.3630136986301369) internal successors, (1194), 876 states have internal predecessors, (1194), 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) [2022-04-04 23:23:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1198 transitions. [2022-04-04 23:23:03,934 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1198 transitions. Word has length 127 [2022-04-04 23:23:03,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:03,934 INFO L478 AbstractCegarLoop]: Abstraction has 881 states and 1198 transitions. [2022-04-04 23:23:03,935 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1198 transitions. [2022-04-04 23:23:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-04-04 23:23:03,937 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:03,937 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:03,938 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-04 23:23:03,938 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:03,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1698282247, now seen corresponding path program 1 times [2022-04-04 23:23:03,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:03,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190570962] [2022-04-04 23:23:03,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:03,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-04-04 23:23:03,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:03,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190570962] [2022-04-04 23:23:03,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190570962] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:03,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:03,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:03,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44644607] [2022-04-04 23:23:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:03,979 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:03,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:03,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:03,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:03,980 INFO L87 Difference]: Start difference. First operand 881 states and 1198 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) [2022-04-04 23:23:04,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:04,190 INFO L93 Difference]: Finished difference Result 1565 states and 2126 transitions. [2022-04-04 23:23:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:04,191 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 128 [2022-04-04 23:23:04,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:04,195 INFO L225 Difference]: With dead ends: 1565 [2022-04-04 23:23:04,195 INFO L226 Difference]: Without dead ends: 905 [2022-04-04 23:23:04,197 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-04 23:23:04,197 INFO L913 BasicCegarLoop]: 228 mSDtfsCounter, 207 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:04,197 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 235 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:04,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-04-04 23:23:04,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2022-04-04 23:23:04,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 900 states have (on average 1.3588888888888888) internal successors, (1223), 900 states have internal predecessors, (1223), 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) [2022-04-04 23:23:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1227 transitions. [2022-04-04 23:23:04,220 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1227 transitions. Word has length 128 [2022-04-04 23:23:04,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:04,220 INFO L478 AbstractCegarLoop]: Abstraction has 905 states and 1227 transitions. [2022-04-04 23:23:04,220 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) [2022-04-04 23:23:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1227 transitions. [2022-04-04 23:23:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-04-04 23:23:04,224 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:04,224 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 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] [2022-04-04 23:23:04,224 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-04 23:23:04,224 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:04,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:04,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1367909702, now seen corresponding path program 1 times [2022-04-04 23:23:04,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:04,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314175468] [2022-04-04 23:23:04,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:04,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-04-04 23:23:04,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:04,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314175468] [2022-04-04 23:23:04,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314175468] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:04,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:04,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:04,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468231304] [2022-04-04 23:23:04,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:04,294 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:04,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:04,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:04,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:04,295 INFO L87 Difference]: Start difference. First operand 905 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:04,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:04,549 INFO L93 Difference]: Finished difference Result 1965 states and 2731 transitions. [2022-04-04 23:23:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:04,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-04-04 23:23:04,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:04,554 INFO L225 Difference]: With dead ends: 1965 [2022-04-04 23:23:04,554 INFO L226 Difference]: Without dead ends: 1074 [2022-04-04 23:23:04,556 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 [2022-04-04 23:23:04,558 INFO L913 BasicCegarLoop]: 211 mSDtfsCounter, 255 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:04,558 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 218 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:04,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-04-04 23:23:04,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1028. [2022-04-04 23:23:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1023 states have (on average 1.3391984359726294) internal successors, (1370), 1023 states have internal predecessors, (1370), 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) [2022-04-04 23:23:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1374 transitions. [2022-04-04 23:23:04,584 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1374 transitions. Word has length 189 [2022-04-04 23:23:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:04,584 INFO L478 AbstractCegarLoop]: Abstraction has 1028 states and 1374 transitions. [2022-04-04 23:23:04,585 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1374 transitions. [2022-04-04 23:23:04,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-04-04 23:23:04,588 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:04,588 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 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] [2022-04-04 23:23:04,588 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-04 23:23:04,588 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:04,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:04,589 INFO L85 PathProgramCache]: Analyzing trace with hash 875447603, now seen corresponding path program 1 times [2022-04-04 23:23:04,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:04,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319701864] [2022-04-04 23:23:04,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:04,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-04 23:23:04,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:04,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319701864] [2022-04-04 23:23:04,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319701864] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:04,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:04,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:04,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75900529] [2022-04-04 23:23:04,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:04,651 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:04,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:04,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:04,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:04,651 INFO L87 Difference]: Start difference. First operand 1028 states and 1374 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) [2022-04-04 23:23:04,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:04,848 INFO L93 Difference]: Finished difference Result 2268 states and 3120 transitions. [2022-04-04 23:23:04,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:04,849 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 202 [2022-04-04 23:23:04,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:04,853 INFO L225 Difference]: With dead ends: 2268 [2022-04-04 23:23:04,854 INFO L226 Difference]: Without dead ends: 1250 [2022-04-04 23:23:04,856 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 [2022-04-04 23:23:04,857 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 332 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:04,857 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 219 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:04,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-04-04 23:23:04,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1232. [2022-04-04 23:23:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1227 states have (on average 1.3928280358598206) internal successors, (1709), 1227 states have internal predecessors, (1709), 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) [2022-04-04 23:23:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1713 transitions. [2022-04-04 23:23:04,892 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1713 transitions. Word has length 202 [2022-04-04 23:23:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:04,892 INFO L478 AbstractCegarLoop]: Abstraction has 1232 states and 1713 transitions. [2022-04-04 23:23:04,893 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) [2022-04-04 23:23:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1713 transitions. [2022-04-04 23:23:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-04-04 23:23:04,897 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:04,897 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-04 23:23:04,897 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-04 23:23:04,898 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:04,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:04,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1993353197, now seen corresponding path program 1 times [2022-04-04 23:23:04,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:04,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989774687] [2022-04-04 23:23:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:04,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-04-04 23:23:04,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:04,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989774687] [2022-04-04 23:23:04,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989774687] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:04,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:04,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:04,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673492926] [2022-04-04 23:23:04,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:04,979 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:04,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:04,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:04,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:04,981 INFO L87 Difference]: Start difference. First operand 1232 states and 1713 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:05,229 INFO L93 Difference]: Finished difference Result 3545 states and 4960 transitions. [2022-04-04 23:23:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:05,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 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 231 [2022-04-04 23:23:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:05,240 INFO L225 Difference]: With dead ends: 3545 [2022-04-04 23:23:05,240 INFO L226 Difference]: Without dead ends: 2327 [2022-04-04 23:23:05,243 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 [2022-04-04 23:23:05,244 INFO L913 BasicCegarLoop]: 374 mSDtfsCounter, 333 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:05,244 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 381 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:05,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2022-04-04 23:23:05,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2325. [2022-04-04 23:23:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2320 states have (on average 1.4004310344827586) internal successors, (3249), 2320 states have internal predecessors, (3249), 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) [2022-04-04 23:23:05,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3253 transitions. [2022-04-04 23:23:05,319 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3253 transitions. Word has length 231 [2022-04-04 23:23:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:05,319 INFO L478 AbstractCegarLoop]: Abstraction has 2325 states and 3253 transitions. [2022-04-04 23:23:05,320 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:05,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3253 transitions. [2022-04-04 23:23:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-04-04 23:23:05,326 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:05,326 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-04 23:23:05,326 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-04 23:23:05,327 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:05,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:05,327 INFO L85 PathProgramCache]: Analyzing trace with hash 912320085, now seen corresponding path program 1 times [2022-04-04 23:23:05,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:05,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520795315] [2022-04-04 23:23:05,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:05,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-04-04 23:23:05,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:05,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520795315] [2022-04-04 23:23:05,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520795315] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:05,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:05,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:05,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938738980] [2022-04-04 23:23:05,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:05,401 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:05,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:05,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:05,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:05,401 INFO L87 Difference]: Start difference. First operand 2325 states and 3253 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:05,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:05,678 INFO L93 Difference]: Finished difference Result 4980 states and 7104 transitions. [2022-04-04 23:23:05,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:05,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 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 231 [2022-04-04 23:23:05,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:05,689 INFO L225 Difference]: With dead ends: 4980 [2022-04-04 23:23:05,689 INFO L226 Difference]: Without dead ends: 2581 [2022-04-04 23:23:05,694 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 [2022-04-04 23:23:05,694 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 254 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:05,695 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 219 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:05,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2022-04-04 23:23:05,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 2573. [2022-04-04 23:23:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2568 states have (on average 1.3835669781931463) internal successors, (3553), 2568 states have internal predecessors, (3553), 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) [2022-04-04 23:23:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3557 transitions. [2022-04-04 23:23:05,770 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3557 transitions. Word has length 231 [2022-04-04 23:23:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:05,771 INFO L478 AbstractCegarLoop]: Abstraction has 2573 states and 3557 transitions. [2022-04-04 23:23:05,771 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3557 transitions. [2022-04-04 23:23:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-04-04 23:23:05,777 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:05,778 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-04 23:23:05,778 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-04 23:23:05,778 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:05,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:05,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1063405348, now seen corresponding path program 1 times [2022-04-04 23:23:05,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:05,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282992035] [2022-04-04 23:23:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:05,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-04-04 23:23:05,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:05,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282992035] [2022-04-04 23:23:05,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282992035] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:05,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:05,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:05,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547691604] [2022-04-04 23:23:05,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:05,837 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:05,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:05,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:05,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:05,838 INFO L87 Difference]: Start difference. First operand 2573 states and 3557 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:06,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:06,084 INFO L93 Difference]: Finished difference Result 5388 states and 7408 transitions. [2022-04-04 23:23:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:06,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 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 246 [2022-04-04 23:23:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:06,094 INFO L225 Difference]: With dead ends: 5388 [2022-04-04 23:23:06,095 INFO L226 Difference]: Without dead ends: 2829 [2022-04-04 23:23:06,099 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 [2022-04-04 23:23:06,100 INFO L913 BasicCegarLoop]: 200 mSDtfsCounter, 335 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:06,100 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 207 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:06,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2829 states. [2022-04-04 23:23:06,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2829 to 2685. [2022-04-04 23:23:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2680 states have (on average 1.376492537313433) internal successors, (3689), 2680 states have internal predecessors, (3689), 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) [2022-04-04 23:23:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 3693 transitions. [2022-04-04 23:23:06,181 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 3693 transitions. Word has length 246 [2022-04-04 23:23:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:06,182 INFO L478 AbstractCegarLoop]: Abstraction has 2685 states and 3693 transitions. [2022-04-04 23:23:06,182 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3693 transitions. [2022-04-04 23:23:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-04-04 23:23:06,189 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:06,189 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-04 23:23:06,189 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-04 23:23:06,190 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:06,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:06,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1797410320, now seen corresponding path program 1 times [2022-04-04 23:23:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:06,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032034111] [2022-04-04 23:23:06,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:06,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-04-04 23:23:06,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:06,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032034111] [2022-04-04 23:23:06,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032034111] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:06,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953491577] [2022-04-04 23:23:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:06,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:06,263 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) [2022-04-04 23:23:06,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-04 23:23:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:06,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-04 23:23:06,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-04-04 23:23:06,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-04 23:23:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-04-04 23:23:07,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953491577] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-04 23:23:07,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-04 23:23:07,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-04 23:23:07,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308678117] [2022-04-04 23:23:07,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-04 23:23:07,369 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-04 23:23:07,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:07,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-04 23:23:07,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-04 23:23:07,370 INFO L87 Difference]: Start difference. First operand 2685 states and 3693 transitions. Second operand has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 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) [2022-04-04 23:23:08,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:08,771 INFO L93 Difference]: Finished difference Result 11087 states and 15885 transitions. [2022-04-04 23:23:08,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-04 23:23:08,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 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 259 [2022-04-04 23:23:08,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:08,806 INFO L225 Difference]: With dead ends: 11087 [2022-04-04 23:23:08,806 INFO L226 Difference]: Without dead ends: 8416 [2022-04-04 23:23:08,815 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-04-04 23:23:08,816 INFO L913 BasicCegarLoop]: 555 mSDtfsCounter, 727 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:08,816 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 572 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-04 23:23:08,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8416 states. [2022-04-04 23:23:09,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8416 to 6713. [2022-04-04 23:23:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6713 states, 6708 states have (on average 1.3711985688729875) internal successors, (9198), 6708 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) [2022-04-04 23:23:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 9202 transitions. [2022-04-04 23:23:09,079 INFO L78 Accepts]: Start accepts. Automaton has 6713 states and 9202 transitions. Word has length 259 [2022-04-04 23:23:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:09,080 INFO L478 AbstractCegarLoop]: Abstraction has 6713 states and 9202 transitions. [2022-04-04 23:23:09,080 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.857142857142858) internal successors, (209), 6 states have internal predecessors, (209), 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) [2022-04-04 23:23:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 6713 states and 9202 transitions. [2022-04-04 23:23:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-04-04 23:23:09,093 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:09,093 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-04 23:23:09,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-04 23:23:09,311 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,SelfDestructingSolverStorable13 [2022-04-04 23:23:09,312 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:09,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:09,312 INFO L85 PathProgramCache]: Analyzing trace with hash 632593609, now seen corresponding path program 1 times [2022-04-04 23:23:09,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:09,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346092818] [2022-04-04 23:23:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:09,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 447 proven. 5 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-04-04 23:23:09,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:09,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346092818] [2022-04-04 23:23:09,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346092818] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:09,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585229242] [2022-04-04 23:23:09,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:09,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:09,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:09,393 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) [2022-04-04 23:23:09,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-04 23:23:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:09,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-04 23:23:09,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-04-04 23:23:09,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-04 23:23:09,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585229242] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:09,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-04 23:23:09,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-04 23:23:09,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500992680] [2022-04-04 23:23:09,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:09,928 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-04 23:23:09,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-04 23:23:09,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:09,929 INFO L87 Difference]: Start difference. First operand 6713 states and 9202 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2022-04-04 23:23:10,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:10,210 INFO L93 Difference]: Finished difference Result 12996 states and 17922 transitions. [2022-04-04 23:23:10,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-04 23:23:10,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 272 [2022-04-04 23:23:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:10,244 INFO L225 Difference]: With dead ends: 12996 [2022-04-04 23:23:10,244 INFO L226 Difference]: Without dead ends: 6113 [2022-04-04 23:23:10,258 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:10,259 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 52 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:10,259 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 310 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-04 23:23:10,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6113 states. [2022-04-04 23:23:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6113 to 5861. [2022-04-04 23:23:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5861 states, 5856 states have (on average 1.342554644808743) internal successors, (7862), 5856 states have internal predecessors, (7862), 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) [2022-04-04 23:23:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5861 states to 5861 states and 7866 transitions. [2022-04-04 23:23:10,464 INFO L78 Accepts]: Start accepts. Automaton has 5861 states and 7866 transitions. Word has length 272 [2022-04-04 23:23:10,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:10,465 INFO L478 AbstractCegarLoop]: Abstraction has 5861 states and 7866 transitions. [2022-04-04 23:23:10,465 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2022-04-04 23:23:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 5861 states and 7866 transitions. [2022-04-04 23:23:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-04-04 23:23:10,477 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:10,477 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:10,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-04 23:23:10,691 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,SelfDestructingSolverStorable14 [2022-04-04 23:23:10,692 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:10,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2039266726, now seen corresponding path program 1 times [2022-04-04 23:23:10,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:10,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100118270] [2022-04-04 23:23:10,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:10,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-04-04 23:23:10,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:10,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100118270] [2022-04-04 23:23:10,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100118270] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:10,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411856344] [2022-04-04 23:23:10,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:10,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:10,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:10,770 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) [2022-04-04 23:23:10,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-04 23:23:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:10,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-04 23:23:10,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-04-04 23:23:11,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-04 23:23:11,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411856344] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:11,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-04 23:23:11,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-04 23:23:11,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343215298] [2022-04-04 23:23:11,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:11,251 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-04 23:23:11,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:11,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-04 23:23:11,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:11,252 INFO L87 Difference]: Start difference. First operand 5861 states and 7866 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2022-04-04 23:23:11,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:11,538 INFO L93 Difference]: Finished difference Result 12344 states and 16530 transitions. [2022-04-04 23:23:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-04 23:23:11,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 288 [2022-04-04 23:23:11,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:11,553 INFO L225 Difference]: With dead ends: 12344 [2022-04-04 23:23:11,553 INFO L226 Difference]: Without dead ends: 6177 [2022-04-04 23:23:11,563 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:11,564 INFO L913 BasicCegarLoop]: 212 mSDtfsCounter, 104 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:11,564 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 260 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-04 23:23:11,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6177 states. [2022-04-04 23:23:11,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6177 to 5981. [2022-04-04 23:23:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5981 states, 5976 states have (on average 1.3423694779116466) internal successors, (8022), 5976 states have internal predecessors, (8022), 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) [2022-04-04 23:23:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5981 states to 5981 states and 8026 transitions. [2022-04-04 23:23:11,731 INFO L78 Accepts]: Start accepts. Automaton has 5981 states and 8026 transitions. Word has length 288 [2022-04-04 23:23:11,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:11,732 INFO L478 AbstractCegarLoop]: Abstraction has 5981 states and 8026 transitions. [2022-04-04 23:23:11,732 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2022-04-04 23:23:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5981 states and 8026 transitions. [2022-04-04 23:23:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-04-04 23:23:11,743 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:11,743 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:11,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-04 23:23:11,959 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:11,959 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash -435653806, now seen corresponding path program 1 times [2022-04-04 23:23:11,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:11,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178425106] [2022-04-04 23:23:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-04-04 23:23:12,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:12,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178425106] [2022-04-04 23:23:12,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178425106] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:12,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540976027] [2022-04-04 23:23:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:12,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:12,047 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) [2022-04-04 23:23:12,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-04 23:23:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:12,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-04 23:23:12,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-04-04 23:23:12,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-04 23:23:12,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540976027] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:12,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-04 23:23:12,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-04 23:23:12,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445154103] [2022-04-04 23:23:12,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:12,556 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-04 23:23:12,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:12,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-04 23:23:12,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:12,556 INFO L87 Difference]: Start difference. First operand 5981 states and 8026 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-04-04 23:23:12,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:12,780 INFO L93 Difference]: Finished difference Result 12128 states and 16274 transitions. [2022-04-04 23:23:12,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-04 23:23:12,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 289 [2022-04-04 23:23:12,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:12,793 INFO L225 Difference]: With dead ends: 12128 [2022-04-04 23:23:12,793 INFO L226 Difference]: Without dead ends: 6161 [2022-04-04 23:23:12,804 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:12,805 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 4 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:12,805 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 307 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-04 23:23:12,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6161 states. [2022-04-04 23:23:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6161 to 6041. [2022-04-04 23:23:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6041 states, 6036 states have (on average 1.3416169648774023) internal successors, (8098), 6036 states have internal predecessors, (8098), 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) [2022-04-04 23:23:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6041 states to 6041 states and 8102 transitions. [2022-04-04 23:23:12,960 INFO L78 Accepts]: Start accepts. Automaton has 6041 states and 8102 transitions. Word has length 289 [2022-04-04 23:23:12,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:12,961 INFO L478 AbstractCegarLoop]: Abstraction has 6041 states and 8102 transitions. [2022-04-04 23:23:12,961 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-04-04 23:23:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 6041 states and 8102 transitions. [2022-04-04 23:23:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-04-04 23:23:12,972 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:12,972 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:12,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-04 23:23:13,194 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,SelfDestructingSolverStorable16 [2022-04-04 23:23:13,195 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:13,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:13,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1552812006, now seen corresponding path program 1 times [2022-04-04 23:23:13,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:13,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9050159] [2022-04-04 23:23:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:13,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-04-04 23:23:13,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:13,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9050159] [2022-04-04 23:23:13,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9050159] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:13,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580499849] [2022-04-04 23:23:13,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:13,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:13,264 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) [2022-04-04 23:23:13,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-04 23:23:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:13,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-04 23:23:13,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-04-04 23:23:13,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-04 23:23:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-04-04 23:23:14,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580499849] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-04 23:23:14,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-04 23:23:14,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-04 23:23:14,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497874452] [2022-04-04 23:23:14,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-04 23:23:14,262 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-04 23:23:14,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:14,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-04 23:23:14,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-04 23:23:14,263 INFO L87 Difference]: Start difference. First operand 6041 states and 8102 transitions. Second operand has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 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) [2022-04-04 23:23:14,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:14,909 INFO L93 Difference]: Finished difference Result 13385 states and 17929 transitions. [2022-04-04 23:23:14,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-04 23:23:14,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 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 289 [2022-04-04 23:23:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:14,925 INFO L225 Difference]: With dead ends: 13385 [2022-04-04 23:23:14,926 INFO L226 Difference]: Without dead ends: 7250 [2022-04-04 23:23:14,940 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-04 23:23:14,940 INFO L913 BasicCegarLoop]: 308 mSDtfsCounter, 892 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:14,940 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [892 Valid, 320 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-04 23:23:14,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7250 states. [2022-04-04 23:23:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7250 to 6422. [2022-04-04 23:23:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 6417 states have (on average 1.3175938912264298) internal successors, (8455), 6417 states have internal predecessors, (8455), 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) [2022-04-04 23:23:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 8459 transitions. [2022-04-04 23:23:15,149 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 8459 transitions. Word has length 289 [2022-04-04 23:23:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:15,150 INFO L478 AbstractCegarLoop]: Abstraction has 6422 states and 8459 transitions. [2022-04-04 23:23:15,150 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 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) [2022-04-04 23:23:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 8459 transitions. [2022-04-04 23:23:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-04-04 23:23:15,164 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:15,164 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:15,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-04 23:23:15,379 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,SelfDestructingSolverStorable17 [2022-04-04 23:23:15,380 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:15,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:15,380 INFO L85 PathProgramCache]: Analyzing trace with hash 384344853, now seen corresponding path program 1 times [2022-04-04 23:23:15,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:15,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643427706] [2022-04-04 23:23:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:15,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-04-04 23:23:15,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:15,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643427706] [2022-04-04 23:23:15,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643427706] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:15,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:15,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:15,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812073037] [2022-04-04 23:23:15,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:15,457 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:15,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:15,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:15,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:15,457 INFO L87 Difference]: Start difference. First operand 6422 states and 8459 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:15,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:15,755 INFO L93 Difference]: Finished difference Result 10658 states and 13859 transitions. [2022-04-04 23:23:15,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:15,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 327 [2022-04-04 23:23:15,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:15,762 INFO L225 Difference]: With dead ends: 10658 [2022-04-04 23:23:15,762 INFO L226 Difference]: Without dead ends: 3120 [2022-04-04 23:23:15,775 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 [2022-04-04 23:23:15,776 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 225 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:15,777 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 220 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2022-04-04 23:23:15,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 2850. [2022-04-04 23:23:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2845 states have (on average 1.3145869947275923) internal successors, (3740), 2845 states have internal predecessors, (3740), 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) [2022-04-04 23:23:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3744 transitions. [2022-04-04 23:23:15,836 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3744 transitions. Word has length 327 [2022-04-04 23:23:15,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:15,837 INFO L478 AbstractCegarLoop]: Abstraction has 2850 states and 3744 transitions. [2022-04-04 23:23:15,837 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3744 transitions. [2022-04-04 23:23:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-04-04 23:23:15,845 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:15,845 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:15,845 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-04 23:23:15,845 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:15,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:15,846 INFO L85 PathProgramCache]: Analyzing trace with hash -431053043, now seen corresponding path program 1 times [2022-04-04 23:23:15,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:15,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146601671] [2022-04-04 23:23:15,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:15,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 454 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-04-04 23:23:15,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:15,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146601671] [2022-04-04 23:23:15,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146601671] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:15,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:15,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:15,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458959482] [2022-04-04 23:23:15,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:15,901 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:15,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:15,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:15,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:15,902 INFO L87 Difference]: Start difference. First operand 2850 states and 3744 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:16,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:16,146 INFO L93 Difference]: Finished difference Result 8452 states and 11066 transitions. [2022-04-04 23:23:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:16,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 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 343 [2022-04-04 23:23:16,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:16,174 INFO L225 Difference]: With dead ends: 8452 [2022-04-04 23:23:16,174 INFO L226 Difference]: Without dead ends: 5616 [2022-04-04 23:23:16,178 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 [2022-04-04 23:23:16,180 INFO L913 BasicCegarLoop]: 355 mSDtfsCounter, 377 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:16,180 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 362 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:16,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5616 states. [2022-04-04 23:23:16,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5616 to 2860. [2022-04-04 23:23:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2855 states have (on average 1.3134851138353765) internal successors, (3750), 2855 states have internal predecessors, (3750), 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) [2022-04-04 23:23:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 3754 transitions. [2022-04-04 23:23:16,256 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 3754 transitions. Word has length 343 [2022-04-04 23:23:16,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:16,256 INFO L478 AbstractCegarLoop]: Abstraction has 2860 states and 3754 transitions. [2022-04-04 23:23:16,256 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3754 transitions. [2022-04-04 23:23:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-04-04 23:23:16,264 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:16,264 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:16,265 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-04 23:23:16,265 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:16,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1294692494, now seen corresponding path program 1 times [2022-04-04 23:23:16,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:16,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977681063] [2022-04-04 23:23:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-04-04 23:23:16,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:16,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977681063] [2022-04-04 23:23:16,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977681063] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:16,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:16,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:16,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679246197] [2022-04-04 23:23:16,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:16,334 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:16,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:16,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:16,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:16,335 INFO L87 Difference]: Start difference. First operand 2860 states and 3754 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:16,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:16,574 INFO L93 Difference]: Finished difference Result 6044 states and 7988 transitions. [2022-04-04 23:23:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:16,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 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 343 [2022-04-04 23:23:16,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:16,581 INFO L225 Difference]: With dead ends: 6044 [2022-04-04 23:23:16,582 INFO L226 Difference]: Without dead ends: 3198 [2022-04-04 23:23:16,586 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 [2022-04-04 23:23:16,587 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 223 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:16,587 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 216 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:16,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2022-04-04 23:23:16,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 3130. [2022-04-04 23:23:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 3125 states have (on average 1.3024) internal successors, (4070), 3125 states have internal predecessors, (4070), 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) [2022-04-04 23:23:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 4074 transitions. [2022-04-04 23:23:16,658 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 4074 transitions. Word has length 343 [2022-04-04 23:23:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:16,659 INFO L478 AbstractCegarLoop]: Abstraction has 3130 states and 4074 transitions. [2022-04-04 23:23:16,659 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 4074 transitions. [2022-04-04 23:23:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-04-04 23:23:16,665 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:16,665 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:16,665 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-04 23:23:16,665 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:16,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:16,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1044779581, now seen corresponding path program 1 times [2022-04-04 23:23:16,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:16,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323409226] [2022-04-04 23:23:16,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:16,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:16,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-04-04 23:23:16,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:16,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323409226] [2022-04-04 23:23:16,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323409226] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:16,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:16,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:16,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810097156] [2022-04-04 23:23:16,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:16,734 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:16,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:16,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:16,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:16,735 INFO L87 Difference]: Start difference. First operand 3130 states and 4074 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:16,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:16,993 INFO L93 Difference]: Finished difference Result 6350 states and 8281 transitions. [2022-04-04 23:23:16,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:16,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 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 366 [2022-04-04 23:23:16,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:17,000 INFO L225 Difference]: With dead ends: 6350 [2022-04-04 23:23:17,000 INFO L226 Difference]: Without dead ends: 3234 [2022-04-04 23:23:17,006 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 [2022-04-04 23:23:17,008 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 204 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:17,008 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 216 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2022-04-04 23:23:17,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 2327. [2022-04-04 23:23:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2322 states have (on average 1.2945736434108528) internal successors, (3006), 2322 states have internal predecessors, (3006), 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) [2022-04-04 23:23:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 3010 transitions. [2022-04-04 23:23:17,094 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 3010 transitions. Word has length 366 [2022-04-04 23:23:17,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:17,094 INFO L478 AbstractCegarLoop]: Abstraction has 2327 states and 3010 transitions. [2022-04-04 23:23:17,095 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-04 23:23:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3010 transitions. [2022-04-04 23:23:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-04-04 23:23:17,099 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:17,099 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-04 23:23:17,099 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-04 23:23:17,100 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:17,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:17,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1277909194, now seen corresponding path program 1 times [2022-04-04 23:23:17,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:17,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779920286] [2022-04-04 23:23:17,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-04-04 23:23:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:17,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779920286] [2022-04-04 23:23:17,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779920286] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:17,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773172248] [2022-04-04 23:23:17,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:17,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:17,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-04 23:23:17,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-04 23:23:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:17,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-04 23:23:17,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2022-04-04 23:23:17,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-04 23:23:17,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773172248] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:17,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-04 23:23:17,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-04 23:23:17,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665366043] [2022-04-04 23:23:17,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:17,938 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-04 23:23:17,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:17,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-04 23:23:17,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:17,939 INFO L87 Difference]: Start difference. First operand 2327 states and 3010 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2022-04-04 23:23:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:17,985 INFO L93 Difference]: Finished difference Result 2800 states and 3621 transitions. [2022-04-04 23:23:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-04 23:23:17,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 399 [2022-04-04 23:23:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:17,991 INFO L225 Difference]: With dead ends: 2800 [2022-04-04 23:23:17,991 INFO L226 Difference]: Without dead ends: 2708 [2022-04-04 23:23:17,992 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-04 23:23:17,993 INFO L913 BasicCegarLoop]: 356 mSDtfsCounter, 89 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:17,993 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 541 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-04 23:23:17,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2022-04-04 23:23:18,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2237. [2022-04-04 23:23:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2237 states, 2232 states have (on average 1.3015232974910393) internal successors, (2905), 2232 states have internal predecessors, (2905), 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) [2022-04-04 23:23:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 2237 states and 2909 transitions. [2022-04-04 23:23:18,045 INFO L78 Accepts]: Start accepts. Automaton has 2237 states and 2909 transitions. Word has length 399 [2022-04-04 23:23:18,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:18,045 INFO L478 AbstractCegarLoop]: Abstraction has 2237 states and 2909 transitions. [2022-04-04 23:23:18,046 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2022-04-04 23:23:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2909 transitions. [2022-04-04 23:23:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2022-04-04 23:23:18,051 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:18,052 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-04 23:23:18,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-04 23:23:18,264 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:18,265 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:18,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash 263050086, now seen corresponding path program 1 times [2022-04-04 23:23:18,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:18,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238853925] [2022-04-04 23:23:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:18,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:18,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-04-04 23:23:18,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:18,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238853925] [2022-04-04 23:23:18,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238853925] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:18,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252374926] [2022-04-04 23:23:18,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:18,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:18,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:18,357 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-04 23:23:18,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-04 23:23:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:18,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-04 23:23:18,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-04-04 23:23:19,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-04 23:23:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-04-04 23:23:19,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252374926] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-04 23:23:19,841 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-04 23:23:19,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-04 23:23:19,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811690775] [2022-04-04 23:23:19,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-04 23:23:19,842 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-04 23:23:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:19,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-04 23:23:19,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-04 23:23:19,843 INFO L87 Difference]: Start difference. First operand 2237 states and 2909 transitions. Second operand has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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) [2022-04-04 23:23:20,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:20,427 INFO L93 Difference]: Finished difference Result 4946 states and 6403 transitions. [2022-04-04 23:23:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-04 23:23:20,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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 539 [2022-04-04 23:23:20,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:20,434 INFO L225 Difference]: With dead ends: 4946 [2022-04-04 23:23:20,434 INFO L226 Difference]: Without dead ends: 2844 [2022-04-04 23:23:20,438 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1093 GetRequests, 1083 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-04-04 23:23:20,439 INFO L913 BasicCegarLoop]: 303 mSDtfsCounter, 684 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:20,439 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 320 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-04 23:23:20,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2022-04-04 23:23:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2369. [2022-04-04 23:23:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 2364 states have (on average 1.3066835871404399) internal successors, (3089), 2364 states have internal predecessors, (3089), 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) [2022-04-04 23:23:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3093 transitions. [2022-04-04 23:23:20,498 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3093 transitions. Word has length 539 [2022-04-04 23:23:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:20,499 INFO L478 AbstractCegarLoop]: Abstraction has 2369 states and 3093 transitions. [2022-04-04 23:23:20,499 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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) [2022-04-04 23:23:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3093 transitions. [2022-04-04 23:23:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2022-04-04 23:23:20,506 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:20,507 INFO L499 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-04 23:23:20,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-04 23:23:20,719 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:20,720 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:20,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:20,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1517265756, now seen corresponding path program 1 times [2022-04-04 23:23:20,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:20,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258725791] [2022-04-04 23:23:20,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:20,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4971 backedges. 2404 proven. 0 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2022-04-04 23:23:20,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:20,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258725791] [2022-04-04 23:23:20,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258725791] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-04 23:23:20,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-04 23:23:20,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-04 23:23:20,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878533722] [2022-04-04 23:23:20,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-04 23:23:20,849 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-04 23:23:20,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:20,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-04 23:23:20,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-04 23:23:20,849 INFO L87 Difference]: Start difference. First operand 2369 states and 3093 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) [2022-04-04 23:23:21,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:21,093 INFO L93 Difference]: Finished difference Result 5048 states and 6645 transitions. [2022-04-04 23:23:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-04 23:23:21,094 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 667 [2022-04-04 23:23:21,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:21,099 INFO L225 Difference]: With dead ends: 5048 [2022-04-04 23:23:21,100 INFO L226 Difference]: Without dead ends: 2693 [2022-04-04 23:23:21,104 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 [2022-04-04 23:23:21,104 INFO L913 BasicCegarLoop]: 208 mSDtfsCounter, 203 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:21,108 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 215 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-04 23:23:21,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-04-04 23:23:21,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2675. [2022-04-04 23:23:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2675 states, 2670 states have (on average 1.2883895131086143) internal successors, (3440), 2670 states have internal predecessors, (3440), 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) [2022-04-04 23:23:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 3444 transitions. [2022-04-04 23:23:21,169 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 3444 transitions. Word has length 667 [2022-04-04 23:23:21,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:21,170 INFO L478 AbstractCegarLoop]: Abstraction has 2675 states and 3444 transitions. [2022-04-04 23:23:21,170 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) [2022-04-04 23:23:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3444 transitions. [2022-04-04 23:23:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2022-04-04 23:23:21,178 INFO L491 BasicCegarLoop]: Found error trace [2022-04-04 23:23:21,179 INFO L499 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-04 23:23:21,179 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-04 23:23:21,179 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-04 23:23:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-04 23:23:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1537311140, now seen corresponding path program 1 times [2022-04-04 23:23:21,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-04 23:23:21,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788727927] [2022-04-04 23:23:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-04 23:23:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-04 23:23:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-04-04 23:23:21,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-04 23:23:21,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788727927] [2022-04-04 23:23:21,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788727927] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-04 23:23:21,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358070566] [2022-04-04 23:23:21,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-04 23:23:21,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-04 23:23:21,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-04 23:23:21,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-04 23:23:21,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-04 23:23:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-04 23:23:21,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-04 23:23:21,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-04 23:23:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-04-04 23:23:22,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-04 23:23:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-04-04 23:23:23,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358070566] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-04 23:23:23,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-04 23:23:23,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-04 23:23:23,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944967122] [2022-04-04 23:23:23,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-04 23:23:23,173 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-04 23:23:23,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-04 23:23:23,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-04 23:23:23,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-04 23:23:23,174 INFO L87 Difference]: Start difference. First operand 2675 states and 3444 transitions. Second operand has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 8 states have internal predecessors, (329), 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) [2022-04-04 23:23:23,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-04 23:23:23,883 INFO L93 Difference]: Finished difference Result 4120 states and 5287 transitions. [2022-04-04 23:23:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-04 23:23:23,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 8 states have internal predecessors, (329), 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 729 [2022-04-04 23:23:23,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-04 23:23:23,884 INFO L225 Difference]: With dead ends: 4120 [2022-04-04 23:23:23,884 INFO L226 Difference]: Without dead ends: 0 [2022-04-04 23:23:23,890 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1473 GetRequests, 1461 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-04-04 23:23:23,891 INFO L913 BasicCegarLoop]: 302 mSDtfsCounter, 418 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-04 23:23:23,891 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 324 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-04 23:23:23,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-04 23:23:23,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-04 23:23:23,892 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) [2022-04-04 23:23:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-04 23:23:23,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 729 [2022-04-04 23:23:23,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-04 23:23:23,893 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-04 23:23:23,893 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.55555555555556) internal successors, (329), 8 states have internal predecessors, (329), 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) [2022-04-04 23:23:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-04 23:23:23,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-04 23:23:23,895 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-04 23:23:23,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-04 23:23:24,121 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-04-04 23:23:24,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-04 23:23:32,107 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 13) no Hoare annotation was computed. [2022-04-04 23:23:32,107 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 13) no Hoare annotation was computed. [2022-04-04 23:23:32,107 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 13) no Hoare annotation was computed. [2022-04-04 23:23:32,108 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 623 634) the Hoare annotation is: true [2022-04-04 23:23:32,108 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 623 634) no Hoare annotation was computed. [2022-04-04 23:23:32,108 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 623 634) no Hoare annotation was computed. [2022-04-04 23:23:32,108 INFO L885 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: true [2022-04-04 23:23:32,108 INFO L882 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2022-04-04 23:23:32,108 INFO L882 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2022-04-04 23:23:32,108 INFO L882 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2022-04-04 23:23:32,108 INFO L878 garLoopResultBuilder]: At program point L366(lines 342 384) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,109 INFO L878 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse0 (<= 8640 ssl3_accept_~s__state~0)) (.cse2 (= ssl3_accept_~s__hit~0 0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse2) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (<= ssl3_accept_~s__state~0 8640)))) [2022-04-04 23:23:32,109 INFO L878 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,109 INFO L878 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8640))) (or (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse0 .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,109 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-04-04 23:23:32,109 INFO L882 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2022-04-04 23:23:32,109 INFO L878 garLoopResultBuilder]: At program point L400(lines 391 423) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,109 INFO L882 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-04-04 23:23:32,109 INFO L882 garLoopResultBuilder]: For program point L301-2(lines 219 553) no Hoare annotation was computed. [2022-04-04 23:23:32,109 INFO L882 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-04-04 23:23:32,109 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2022-04-04 23:23:32,110 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2022-04-04 23:23:32,110 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2022-04-04 23:23:32,110 INFO L882 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2022-04-04 23:23:32,110 INFO L882 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2022-04-04 23:23:32,110 INFO L882 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-04-04 23:23:32,113 INFO L882 garLoopResultBuilder]: For program point L336-2(lines 219 553) no Hoare annotation was computed. [2022-04-04 23:23:32,113 INFO L882 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-04-04 23:23:32,113 INFO L882 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2022-04-04 23:23:32,114 INFO L882 garLoopResultBuilder]: For program point L403(lines 403 421) no Hoare annotation was computed. [2022-04-04 23:23:32,114 INFO L882 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2022-04-04 23:23:32,114 INFO L882 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2022-04-04 23:23:32,114 INFO L882 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-04-04 23:23:32,114 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2022-04-04 23:23:32,114 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2022-04-04 23:23:32,114 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2022-04-04 23:23:32,115 INFO L878 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (<= 8640 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0)) .cse2) (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse2))) [2022-04-04 23:23:32,115 INFO L878 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,115 INFO L882 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-04-04 23:23:32,115 INFO L885 garLoopResultBuilder]: At program point ssl3_acceptENTRY(lines 22 622) the Hoare annotation is: true [2022-04-04 23:23:32,115 INFO L882 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2022-04-04 23:23:32,115 INFO L882 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2022-04-04 23:23:32,115 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2022-04-04 23:23:32,115 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2022-04-04 23:23:32,115 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2022-04-04 23:23:32,116 INFO L878 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse4 (= ssl3_accept_~s__hit~0 0))) (let ((.cse1 (= ssl3_accept_~s__state~0 3)) (.cse10 (= 8496 ssl3_accept_~s__state~0)) (.cse6 (= ssl3_accept_~s__state~0 8656)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse3 (<= 8448 ssl3_accept_~s__state~0)) (.cse17 (<= 8640 ssl3_accept_~s__state~0)) (.cse12 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse16 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse8 (< 8496 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse15 (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse9 (<= ssl3_accept_~s__state~0 8640)) (.cse7 (not .cse4)) (.cse13 (<= ssl3_accept_~s__state~0 8672)) (.cse14 (<= 8672 ssl3_accept_~s__state~0)) (.cse5 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4 .cse5) (= ssl3_accept_~blastFlag~0 0) (and .cse6 .cse0 .cse7) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse8 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse4) (and .cse12 .cse1) (and (= ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse8 .cse9 (= 8560 ssl3_accept_~s__state~0) .cse4) (and (< ssl3_accept_~s__state~0 8496) .cse0 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) .cse4) (and .cse11 .cse13 .cse14 .cse5) (and .cse6 .cse0 .cse11) (and .cse3 .cse0 (<= ssl3_accept_~s__state~0 8480) .cse11 .cse15 .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8528) .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8512) .cse4) (and .cse2 .cse12 .cse3 .cse7 .cse16) (and .cse17 .cse0 .cse11 .cse9 .cse4) (and .cse17 .cse12 .cse7 .cse16 .cse9) (and .cse0 .cse8 .cse11 .cse15 .cse9 .cse4) (and .cse7 .cse13 .cse14 .cse5)))) [2022-04-04 23:23:32,116 INFO L882 garLoopResultBuilder]: For program point L441-1(lines 441 449) no Hoare annotation was computed. [2022-04-04 23:23:32,116 INFO L882 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-04-04 23:23:32,116 INFO L878 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse3 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= 8448 ssl3_accept_~s__state~0)) (.cse2 (= ssl3_accept_~s__hit~0 0))) (or (and .cse0 .cse1 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 (= 3 ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2) (and .cse0 .cse1 .cse3 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) .cse2) (and .cse0 .cse1 (= ssl3_accept_~blastFlag~0 0)) (and .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse1 (not .cse2) (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)))) [2022-04-04 23:23:32,116 INFO L878 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8480))) (or (and .cse0 (= ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)))) [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L508-2(lines 219 553) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L444(lines 444 447) no Hoare annotation was computed. [2022-04-04 23:23:32,117 INFO L882 garLoopResultBuilder]: For program point L345(lines 345 383) no Hoare annotation was computed. [2022-04-04 23:23:32,118 INFO L878 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (not (<= 16384 ssl3_accept_~s__state~0))) (.cse1 (<= 8672 ssl3_accept_~s__state~0)) (.cse2 (= 3 ssl3_accept_~blastFlag~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse1 .cse2) (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1 .cse2))) [2022-04-04 23:23:32,118 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: (and (= ssl3_accept_~blastFlag~0 0) (= 12292 ssl3_accept_~s__state~0)) [2022-04-04 23:23:32,118 INFO L885 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2022-04-04 23:23:32,118 INFO L882 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2022-04-04 23:23:32,118 INFO L878 garLoopResultBuilder]: At program point L412(lines 403 421) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,118 INFO L882 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2022-04-04 23:23:32,118 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2022-04-04 23:23:32,118 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2022-04-04 23:23:32,118 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2022-04-04 23:23:32,118 INFO L882 garLoopResultBuilder]: For program point L348(lines 348 382) no Hoare annotation was computed. [2022-04-04 23:23:32,119 INFO L882 garLoopResultBuilder]: For program point L348-1(lines 348 382) no Hoare annotation was computed. [2022-04-04 23:23:32,119 INFO L885 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: true [2022-04-04 23:23:32,119 INFO L878 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (not (<= 8640 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,119 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (<= 8480 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,119 INFO L882 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2022-04-04 23:23:32,119 INFO L882 garLoopResultBuilder]: For program point L415(lines 415 417) no Hoare annotation was computed. [2022-04-04 23:23:32,119 INFO L882 garLoopResultBuilder]: For program point L349(lines 349 379) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L885 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: true [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L319(lines 319 326) no Hoare annotation was computed. [2022-04-04 23:23:32,120 INFO L882 garLoopResultBuilder]: For program point L319-2(lines 319 326) no Hoare annotation was computed. [2022-04-04 23:23:32,121 INFO L882 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-04-04 23:23:32,121 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2022-04-04 23:23:32,123 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2022-04-04 23:23:32,123 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2022-04-04 23:23:32,123 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptEXIT(lines 22 622) no Hoare annotation was computed. [2022-04-04 23:23:32,123 INFO L882 garLoopResultBuilder]: For program point L354(lines 354 377) no Hoare annotation was computed. [2022-04-04 23:23:32,123 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-04-04 23:23:32,123 INFO L878 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse1 (<= ssl3_accept_~s__state~0 8448))) (or (and (<= 8640 ssl3_accept_~s__state~0) .cse0) (and .cse1 .cse0) (and .cse1 (= 2 ssl3_accept_~blastFlag~0) (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) (= ssl3_accept_~s__hit~0 0)))) [2022-04-04 23:23:32,123 INFO L878 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (not (<= 8640 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,123 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,124 INFO L878 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse4 (= ssl3_accept_~s__hit~0 0))) (let ((.cse1 (= ssl3_accept_~s__state~0 3)) (.cse10 (= 8496 ssl3_accept_~s__state~0)) (.cse6 (= ssl3_accept_~s__state~0 8656)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse3 (<= 8448 ssl3_accept_~s__state~0)) (.cse17 (<= 8640 ssl3_accept_~s__state~0)) (.cse12 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse16 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse8 (< 8496 ssl3_accept_~s__state~0)) (.cse11 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse15 (< 8496 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse9 (<= ssl3_accept_~s__state~0 8640)) (.cse7 (not .cse4)) (.cse13 (<= ssl3_accept_~s__state~0 8672)) (.cse14 (<= 8672 ssl3_accept_~s__state~0)) (.cse5 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4 .cse5) (= ssl3_accept_~blastFlag~0 0) (and .cse6 .cse0 .cse7) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse8 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse4) (and .cse12 .cse1) (and (= ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse8 .cse9 (= 8560 ssl3_accept_~s__state~0) .cse4) (and (< ssl3_accept_~s__state~0 8496) .cse0 (< ssl3_accept_~s__s3__tmp__next_state___0~0 8496) .cse4) (and .cse11 .cse13 .cse14 .cse5) (and .cse6 .cse0 .cse11) (and .cse3 .cse0 (<= ssl3_accept_~s__state~0 8480) .cse11 .cse15 .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8528) .cse4) (and .cse0 (= ssl3_accept_~s__state~0 8512) .cse4) (and .cse2 .cse12 .cse3 .cse7 .cse16) (and .cse17 .cse0 .cse11 .cse9 .cse4) (and .cse17 .cse12 .cse7 .cse16 .cse9) (and .cse0 .cse8 .cse11 .cse15 .cse9 .cse4) (and .cse7 .cse13 .cse14 .cse5)))) [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L455(lines 455 457) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptFINAL(lines 22 622) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-04-04 23:23:32,124 INFO L882 garLoopResultBuilder]: For program point L490(lines 490 492) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L391(lines 391 423) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L458(lines 458 467) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L882 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2022-04-04 23:23:32,125 INFO L878 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2022-04-04 23:23:32,125 INFO L878 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (not (<= 8640 ssl3_accept_~s__state~0))) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)))) [2022-04-04 23:23:32,126 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse1 (< 8496 ssl3_accept_~s__state~0))) (or (and .cse0 (= 2 ssl3_accept_~blastFlag~0) .cse1 (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2022-04-04 23:23:32,126 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2022-04-04 23:23:32,127 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2022-04-04 23:23:32,127 INFO L882 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2022-04-04 23:23:32,127 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0))) (or (and (< ssl3_accept_~s__state~0 8496) .cse0 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= ssl3_accept_~s__hit~0 0)) (and (= ssl3_accept_~blastFlag~0 0) (not (<= 8496 ssl3_accept_~s__state~0)) .cse0))) [2022-04-04 23:23:32,127 INFO L882 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L365(lines 365 373) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-04 23:23:32,128 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-04 23:23:32,129 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-04 23:23:32,129 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-04 23:23:32,133 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] [2022-04-04 23:23:32,135 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-04 23:23:32,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 11:23:32 BoogieIcfgContainer [2022-04-04 23:23:32,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-04 23:23:32,169 INFO L158 Benchmark]: Toolchain (without parser) took 32301.26ms. Allocated memory was 177.2MB in the beginning and 531.6MB in the end (delta: 354.4MB). Free memory was 123.9MB in the beginning and 385.0MB in the end (delta: -261.1MB). Peak memory consumption was 311.6MB. Max. memory is 8.0GB. [2022-04-04 23:23:32,169 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory was 140.4MB in the beginning and 140.3MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-04 23:23:32,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.12ms. Allocated memory was 177.2MB in the beginning and 243.3MB in the end (delta: 66.1MB). Free memory was 123.7MB in the beginning and 214.4MB in the end (delta: -90.8MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-04-04 23:23:32,169 INFO L158 Benchmark]: Boogie Preprocessor took 57.25ms. Allocated memory is still 243.3MB. Free memory was 214.4MB in the beginning and 212.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-04 23:23:32,169 INFO L158 Benchmark]: RCFGBuilder took 590.09ms. Allocated memory is still 243.3MB. Free memory was 212.0MB in the beginning and 184.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-04-04 23:23:32,170 INFO L158 Benchmark]: TraceAbstraction took 31324.37ms. Allocated memory was 243.3MB in the beginning and 531.6MB in the end (delta: 288.4MB). Free memory was 184.1MB in the beginning and 385.0MB in the end (delta: -200.9MB). Peak memory consumption was 306.3MB. Max. memory is 8.0GB. [2022-04-04 23:23:32,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory was 140.4MB in the beginning and 140.3MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.12ms. Allocated memory was 177.2MB in the beginning and 243.3MB in the end (delta: 66.1MB). Free memory was 123.7MB in the beginning and 214.4MB in the end (delta: -90.8MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.25ms. Allocated memory is still 243.3MB. Free memory was 214.4MB in the beginning and 212.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 590.09ms. Allocated memory is still 243.3MB. Free memory was 212.0MB in the beginning and 184.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 31324.37ms. Allocated memory was 243.3MB in the beginning and 531.6MB in the end (delta: 288.4MB). Free memory was 184.1MB in the beginning and 385.0MB in the end (delta: -200.9MB). Peak memory consumption was 306.3MB. 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: 619]: 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 5 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.2s, OverallIterations: 26, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8110 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8108 mSDsluCounter, 7549 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 633 mSDsCounter, 757 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8425 IncrementalHoareTripleChecker+Invalid, 9182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 757 mSolverCounterUnsat, 6916 mSDtfsCounter, 8425 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5089 GetRequests, 4975 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6713occurred in iteration=14, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 26 MinimizatonAttempts, 8334 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 275 NumberOfFragments, 1147 HoareAnnotationTreeSize, 32 FomulaSimplifications, 18157 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 36917 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 10053 NumberOfCodeBlocks, 10053 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 11831 ConstructedInterpolants, 0 QuantifiedInterpolants, 15430 SizeOfPredicates, 4 NumberOfNonLiveVariables, 5640 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 38 InterpolantComputations, 22 PerfectInterpolantSequences, 50544/50777 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 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((!(8640 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0) || ((blastFlag == 0 && !(8640 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((s__state <= 8448 && 8448 <= s__state) && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag) || (((((s__state <= 8448 && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || ((((s__state <= 8448 && 8448 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0)) || ((s__state <= 8448 && 8448 <= s__state) && blastFlag == 0)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((2 == blastFlag && s__state == 3) || ((((s__state <= 8448 && 8448 <= s__state) && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag)) || blastFlag == 0) || ((s__state == 8656 && 2 == blastFlag) && !(s__hit == 0))) || ((((s__state == 8544 && 2 == blastFlag) && 8496 < s__state) && s__state <= 8640) && s__hit == 0)) || (((8496 == s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0)) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || (blastFlag == 1 && 8496 == s__state)) || ((((2 == blastFlag && 8496 < s__state) && s__state <= 8640) && 8560 == s__state) && s__hit == 0)) || (((s__state < 8496 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (((((8448 <= s__state && 2 == blastFlag) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || ((2 == blastFlag && s__state == 8528) && s__hit == 0)) || ((2 == blastFlag && s__state == 8512) && s__hit == 0)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0)) || ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8640) && s__hit == 0)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640)) || (((((2 == blastFlag && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__state <= 8640) && s__hit == 0)) || (((!(s__hit == 0) && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((8448 <= s__state && blastFlag == 0) && s__state <= 8480) || ((((8448 <= s__state && 2 == blastFlag) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && !(8640 <= s__state)) && 8496 < s__state) || ((((!(8640 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((s__state <= 8576 && 8480 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) || ((blastFlag == 1 && s__state <= 8576) && 8480 <= s__state)) || ((blastFlag == 0 && s__state <= 8576) && 8480 <= s__state) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) && s__hit == 0) || ((8640 <= s__state && blastFlag == 0) && s__state <= 8672)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((blastFlag == 0 && !(16384 <= s__state)) && 8672 <= s__state) || (((!(16384 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 8672 <= s__state) && 3 == blastFlag)) || (((!(16384 <= s__state) && !(s__hit == 0)) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((s__s3__tmp__next_state___0 <= 8640 && 8480 <= s__state) && s__state <= 8640) || ((8480 <= s__state && 2 == blastFlag) && s__state <= 8640)) || ((blastFlag == 0 && 8480 <= s__state) && s__state <= 8640) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) || (((8640 <= s__state && 2 == blastFlag) && !(s__hit == 0)) && s__state <= 8672)) || ((8640 <= s__state && blastFlag == 0) && s__state <= 8672) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((s__state < 8496 && 8480 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) || ((blastFlag == 0 && !(8496 <= s__state)) && 8480 <= s__state) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: blastFlag == 0 && 12292 == s__state - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag == 0) || (s__state <= 8448 && blastFlag == 0)) || (((s__state <= 8448 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0) - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((!(8640 <= s__state) && 2 == blastFlag) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0) || ((blastFlag == 0 && !(8640 <= s__state)) && 8496 < s__state) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((2 == blastFlag && s__state == 3) || ((((s__state <= 8448 && 8448 <= s__state) && 3 == s__s3__tmp__next_state___0) && s__hit == 0) && 3 == blastFlag)) || blastFlag == 0) || ((s__state == 8656 && 2 == blastFlag) && !(s__hit == 0))) || ((((s__state == 8544 && 2 == blastFlag) && 8496 < s__state) && s__state <= 8640) && s__hit == 0)) || (((8496 == s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0)) || (s__s3__tmp__next_state___0 <= 8640 && s__state == 3)) || (blastFlag == 1 && 8496 == s__state)) || ((((2 == blastFlag && 8496 < s__state) && s__state <= 8640) && 8560 == s__state) && s__hit == 0)) || (((s__state < 8496 && 2 == blastFlag) && s__s3__tmp__next_state___0 < 8496) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (((((8448 <= s__state && 2 == blastFlag) && s__state <= 8480) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__hit == 0)) || ((2 == blastFlag && s__state == 8528) && s__hit == 0)) || ((2 == blastFlag && s__state == 8512) && s__hit == 0)) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0)) || ((((8640 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8640) && s__hit == 0)) || ((((8640 <= s__state && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8640)) || (((((2 == blastFlag && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__s3__tmp__next_state___0) && s__state <= 8640) && s__hit == 0)) || (((!(s__hit == 0) && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 2 == blastFlag) && 8496 < s__state) && s__hit == 0) || ((blastFlag == 0 && s__state <= 8576) && 8496 < s__state) RESULT: Ultimate proved your program to be correct! [2022-04-04 23:23:32,227 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...