/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_clnt_3.cil-3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-18 16:10:17,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-18 16:10:17,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-18 16:10:17,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-18 16:10:17,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-18 16:10:17,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-18 16:10:17,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-18 16:10:17,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-18 16:10:17,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-18 16:10:17,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-18 16:10:17,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-18 16:10:17,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-18 16:10:17,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-18 16:10:17,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-18 16:10:17,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-18 16:10:17,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-18 16:10:17,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-18 16:10:17,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-18 16:10:17,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-18 16:10:17,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-18 16:10:17,362 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-18 16:10:17,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-18 16:10:17,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-18 16:10:17,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-18 16:10:17,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-18 16:10:17,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-18 16:10:17,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-18 16:10:17,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-18 16:10:17,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-18 16:10:17,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-18 16:10:17,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-18 16:10:17,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-18 16:10:17,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-18 16:10:17,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-18 16:10:17,386 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 [2022-03-18 16:10:17,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-18 16:10:17,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-18 16:10:17,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-18 16:10:17,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-18 16:10:17,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-18 16:10:17,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-18 16:10:17,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-18 16:10:17,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-18 16:10:17,417 INFO L138 SettingsManager]: * Use SBE=true [2022-03-18 16:10:17,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-18 16:10:17,418 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-18 16:10:17,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-18 16:10:17,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-18 16:10:17,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-18 16:10:17,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-18 16:10:17,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-18 16:10:17,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-18 16:10:17,419 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-18 16:10:17,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-18 16:10:17,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-18 16:10:17,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-18 16:10:17,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-18 16:10:17,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-18 16:10:17,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-18 16:10:17,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 16:10:17,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-18 16:10:17,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-18 16:10:17,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-18 16:10:17,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-18 16:10:17,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-18 16:10:17,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-18 16:10:17,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-18 16:10:17,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-18 16:10:17,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-18 16:10:17,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-18 16:10:17,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-18 16:10:17,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-18 16:10:17,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-18 16:10:17,683 INFO L275 PluginConnector]: CDTParser initialized [2022-03-18 16:10:17,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-3.c [2022-03-18 16:10:17,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2720ed8/6b3c723bf0f74fffb04a40afcf41183c/FLAG7734a7dde [2022-03-18 16:10:18,098 INFO L306 CDTParser]: Found 1 translation units. [2022-03-18 16:10:18,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-3.c [2022-03-18 16:10:18,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2720ed8/6b3c723bf0f74fffb04a40afcf41183c/FLAG7734a7dde [2022-03-18 16:10:18,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2720ed8/6b3c723bf0f74fffb04a40afcf41183c [2022-03-18 16:10:18,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-18 16:10:18,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-18 16:10:18,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-18 16:10:18,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-18 16:10:18,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-18 16:10:18,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5751bf53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18, skipping insertion in model container [2022-03-18 16:10:18,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-18 16:10:18,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-18 16:10:18,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-3.c[37595,37608] [2022-03-18 16:10:18,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 16:10:18,779 INFO L203 MainTranslator]: Completed pre-run [2022-03-18 16:10:18,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-3.c[37595,37608] [2022-03-18 16:10:18,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 16:10:18,866 INFO L208 MainTranslator]: Completed translation [2022-03-18 16:10:18,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18 WrapperNode [2022-03-18 16:10:18,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-18 16:10:18,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-18 16:10:18,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-18 16:10:18,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-18 16:10:18,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-18 16:10:18,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-18 16:10:18,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-18 16:10:18,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-18 16:10:18,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (1/1) ... [2022-03-18 16:10:18,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 16:10:18,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:18,940 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) [2022-03-18 16:10:18,941 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 [2022-03-18 16:10:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-18 16:10:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-18 16:10:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-18 16:10:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-18 16:10:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-18 16:10:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-18 16:10:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-18 16:10:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-18 16:10:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-18 16:10:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-18 16:10:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-18 16:10:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-18 16:10:19,051 INFO L234 CfgBuilder]: Building ICFG [2022-03-18 16:10:19,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-18 16:10:19,164 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-18 16:10:19,433 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-18 16:10:19,434 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-18 16:10:19,436 INFO L275 CfgBuilder]: Performing block encoding [2022-03-18 16:10:19,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-18 16:10:19,443 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-18 16:10:19,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 04:10:19 BoogieIcfgContainer [2022-03-18 16:10:19,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-18 16:10:19,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-18 16:10:19,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-18 16:10:19,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-18 16:10:19,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.03 04:10:18" (1/3) ... [2022-03-18 16:10:19,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b0dca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 04:10:19, skipping insertion in model container [2022-03-18 16:10:19,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:18" (2/3) ... [2022-03-18 16:10:19,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b0dca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 04:10:19, skipping insertion in model container [2022-03-18 16:10:19,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 04:10:19" (3/3) ... [2022-03-18 16:10:19,452 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-3.c [2022-03-18 16:10:19,456 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-18 16:10:19,456 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-18 16:10:19,492 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-18 16:10:19,497 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 [2022-03-18 16:10:19,497 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-18 16:10:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-18 16:10:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-18 16:10:19,520 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:19,520 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:19,521 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:19,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:19,526 INFO L85 PathProgramCache]: Analyzing trace with hash -53499867, now seen corresponding path program 1 times [2022-03-18 16:10:19,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:19,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960701624] [2022-03-18 16:10:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:19,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 16:10:19,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:19,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960701624] [2022-03-18 16:10:19,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960701624] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:19,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:19,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:19,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86182590] [2022-03-18 16:10:19,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:19,820 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:19,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:19,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:19,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:19,855 INFO L87 Difference]: Start difference. First operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:20,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:20,226 INFO L93 Difference]: Finished difference Result 376 states and 631 transitions. [2022-03-18 16:10:20,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:20,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-18 16:10:20,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:20,242 INFO L225 Difference]: With dead ends: 376 [2022-03-18 16:10:20,242 INFO L226 Difference]: Without dead ends: 219 [2022-03-18 16:10:20,247 INFO L911 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 [2022-03-18 16:10:20,251 INFO L912 BasicCegarLoop]: 215 mSDtfsCounter, 578 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:20,252 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 224 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-18 16:10:20,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-03-18 16:10:20,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-03-18 16:10:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 214 states have (on average 1.4906542056074767) internal successors, (319), 214 states have internal predecessors, (319), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 323 transitions. [2022-03-18 16:10:20,312 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 323 transitions. Word has length 30 [2022-03-18 16:10:20,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:20,313 INFO L478 AbstractCegarLoop]: Abstraction has 219 states and 323 transitions. [2022-03-18 16:10:20,313 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:20,313 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-03-18 16:10:20,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-18 16:10:20,315 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:20,315 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:20,315 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-18 16:10:20,318 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:20,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:20,321 INFO L85 PathProgramCache]: Analyzing trace with hash -67654802, now seen corresponding path program 1 times [2022-03-18 16:10:20,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:20,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111027069] [2022-03-18 16:10:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:20,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 16:10:20,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:20,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111027069] [2022-03-18 16:10:20,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111027069] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:20,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:20,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:20,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632787165] [2022-03-18 16:10:20,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:20,461 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:20,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:20,462 INFO L87 Difference]: Start difference. First operand 219 states and 323 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:20,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:20,715 INFO L93 Difference]: Finished difference Result 351 states and 525 transitions. [2022-03-18 16:10:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-03-18 16:10:20,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:20,718 INFO L225 Difference]: With dead ends: 351 [2022-03-18 16:10:20,718 INFO L226 Difference]: Without dead ends: 246 [2022-03-18 16:10:20,724 INFO L911 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 [2022-03-18 16:10:20,726 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 193 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:20,726 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:20,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-03-18 16:10:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 236. [2022-03-18 16:10:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 231 states have internal predecessors, (341), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 345 transitions. [2022-03-18 16:10:20,753 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 345 transitions. Word has length 44 [2022-03-18 16:10:20,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:20,753 INFO L478 AbstractCegarLoop]: Abstraction has 236 states and 345 transitions. [2022-03-18 16:10:20,753 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 345 transitions. [2022-03-18 16:10:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-18 16:10:20,755 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:20,756 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:20,756 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-18 16:10:20,756 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:20,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:20,757 INFO L85 PathProgramCache]: Analyzing trace with hash 784495084, now seen corresponding path program 1 times [2022-03-18 16:10:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:20,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666396895] [2022-03-18 16:10:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:20,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-18 16:10:20,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:20,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666396895] [2022-03-18 16:10:20,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666396895] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:20,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:20,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:20,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620739584] [2022-03-18 16:10:20,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:20,885 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:20,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:20,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:20,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:20,886 INFO L87 Difference]: Start difference. First operand 236 states and 345 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:21,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:21,169 INFO L93 Difference]: Finished difference Result 561 states and 851 transitions. [2022-03-18 16:10:21,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:21,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-18 16:10:21,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:21,172 INFO L225 Difference]: With dead ends: 561 [2022-03-18 16:10:21,172 INFO L226 Difference]: Without dead ends: 336 [2022-03-18 16:10:21,174 INFO L911 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 [2022-03-18 16:10:21,179 INFO L912 BasicCegarLoop]: 197 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:21,181 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 204 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-18 16:10:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-03-18 16:10:21,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2022-03-18 16:10:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 313 states have (on average 1.4089456869009584) internal successors, (441), 313 states have internal predecessors, (441), 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) [2022-03-18 16:10:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 445 transitions. [2022-03-18 16:10:21,200 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 445 transitions. Word has length 61 [2022-03-18 16:10:21,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:21,201 INFO L478 AbstractCegarLoop]: Abstraction has 318 states and 445 transitions. [2022-03-18 16:10:21,202 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 445 transitions. [2022-03-18 16:10:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-18 16:10:21,205 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:21,205 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:21,206 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-18 16:10:21,206 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:21,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1020943250, now seen corresponding path program 1 times [2022-03-18 16:10:21,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:21,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662903003] [2022-03-18 16:10:21,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:21,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-18 16:10:21,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:21,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662903003] [2022-03-18 16:10:21,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662903003] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:21,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:21,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:21,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818305646] [2022-03-18 16:10:21,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:21,273 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:21,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:21,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:21,274 INFO L87 Difference]: Start difference. First operand 318 states and 445 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:21,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:21,463 INFO L93 Difference]: Finished difference Result 671 states and 954 transitions. [2022-03-18 16:10:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:21,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-18 16:10:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:21,466 INFO L225 Difference]: With dead ends: 671 [2022-03-18 16:10:21,466 INFO L226 Difference]: Without dead ends: 366 [2022-03-18 16:10:21,467 INFO L911 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 [2022-03-18 16:10:21,473 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 191 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:21,475 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 194 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:21,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-03-18 16:10:21,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 356. [2022-03-18 16:10:21,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 351 states have (on average 1.393162393162393) internal successors, (489), 351 states have internal predecessors, (489), 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) [2022-03-18 16:10:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 493 transitions. [2022-03-18 16:10:21,488 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 493 transitions. Word has length 61 [2022-03-18 16:10:21,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:21,489 INFO L478 AbstractCegarLoop]: Abstraction has 356 states and 493 transitions. [2022-03-18 16:10:21,489 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 493 transitions. [2022-03-18 16:10:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-18 16:10:21,491 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:21,491 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:21,491 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-18 16:10:21,491 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:21,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:21,492 INFO L85 PathProgramCache]: Analyzing trace with hash 833035925, now seen corresponding path program 1 times [2022-03-18 16:10:21,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:21,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431251607] [2022-03-18 16:10:21,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:21,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-18 16:10:21,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:21,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431251607] [2022-03-18 16:10:21,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431251607] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:21,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:21,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:21,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247371096] [2022-03-18 16:10:21,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:21,543 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:21,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:21,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:21,544 INFO L87 Difference]: Start difference. First operand 356 states and 493 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:21,730 INFO L93 Difference]: Finished difference Result 805 states and 1153 transitions. [2022-03-18 16:10:21,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:21,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-03-18 16:10:21,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:21,732 INFO L225 Difference]: With dead ends: 805 [2022-03-18 16:10:21,732 INFO L226 Difference]: Without dead ends: 460 [2022-03-18 16:10:21,733 INFO L911 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 [2022-03-18 16:10:21,734 INFO L912 BasicCegarLoop]: 174 mSDtfsCounter, 295 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:21,734 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:21,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-03-18 16:10:21,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 434. [2022-03-18 16:10:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 429 states have (on average 1.4522144522144522) internal successors, (623), 429 states have internal predecessors, (623), 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) [2022-03-18 16:10:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 627 transitions. [2022-03-18 16:10:21,747 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 627 transitions. Word has length 74 [2022-03-18 16:10:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:21,748 INFO L478 AbstractCegarLoop]: Abstraction has 434 states and 627 transitions. [2022-03-18 16:10:21,748 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 627 transitions. [2022-03-18 16:10:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-18 16:10:21,749 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:21,749 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:21,749 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-18 16:10:21,750 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:21,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:21,750 INFO L85 PathProgramCache]: Analyzing trace with hash 35365114, now seen corresponding path program 1 times [2022-03-18 16:10:21,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:21,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226819819] [2022-03-18 16:10:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:21,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-18 16:10:21,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:21,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226819819] [2022-03-18 16:10:21,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226819819] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:21,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:21,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:21,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288565150] [2022-03-18 16:10:21,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:21,799 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:21,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:21,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:21,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:21,800 INFO L87 Difference]: Start difference. First operand 434 states and 627 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:22,001 INFO L93 Difference]: Finished difference Result 903 states and 1314 transitions. [2022-03-18 16:10:22,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:22,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-03-18 16:10:22,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:22,004 INFO L225 Difference]: With dead ends: 903 [2022-03-18 16:10:22,004 INFO L226 Difference]: Without dead ends: 482 [2022-03-18 16:10:22,005 INFO L911 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 [2022-03-18 16:10:22,006 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:22,006 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:22,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-03-18 16:10:22,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 476. [2022-03-18 16:10:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 471 states have (on average 1.4331210191082802) internal successors, (675), 471 states have internal predecessors, (675), 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) [2022-03-18 16:10:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 679 transitions. [2022-03-18 16:10:22,019 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 679 transitions. Word has length 78 [2022-03-18 16:10:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:22,019 INFO L478 AbstractCegarLoop]: Abstraction has 476 states and 679 transitions. [2022-03-18 16:10:22,019 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 679 transitions. [2022-03-18 16:10:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-03-18 16:10:22,021 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:22,021 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:22,021 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-18 16:10:22,021 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:22,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:22,022 INFO L85 PathProgramCache]: Analyzing trace with hash -810093392, now seen corresponding path program 1 times [2022-03-18 16:10:22,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:22,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907202731] [2022-03-18 16:10:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-03-18 16:10:22,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:22,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907202731] [2022-03-18 16:10:22,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907202731] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:22,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:22,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:22,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968018290] [2022-03-18 16:10:22,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:22,103 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:22,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:22,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:22,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:22,104 INFO L87 Difference]: Start difference. First operand 476 states and 679 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:22,283 INFO L93 Difference]: Finished difference Result 957 states and 1371 transitions. [2022-03-18 16:10:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:22,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-03-18 16:10:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:22,289 INFO L225 Difference]: With dead ends: 957 [2022-03-18 16:10:22,289 INFO L226 Difference]: Without dead ends: 715 [2022-03-18 16:10:22,290 INFO L911 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 [2022-03-18 16:10:22,291 INFO L912 BasicCegarLoop]: 317 mSDtfsCounter, 288 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:22,291 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 324 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:22,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2022-03-18 16:10:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 715. [2022-03-18 16:10:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 710 states have (on average 1.4281690140845071) internal successors, (1014), 710 states have internal predecessors, (1014), 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) [2022-03-18 16:10:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1018 transitions. [2022-03-18 16:10:22,310 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1018 transitions. Word has length 98 [2022-03-18 16:10:22,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:22,310 INFO L478 AbstractCegarLoop]: Abstraction has 715 states and 1018 transitions. [2022-03-18 16:10:22,311 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1018 transitions. [2022-03-18 16:10:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-18 16:10:22,312 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:22,312 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:22,313 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-18 16:10:22,313 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:22,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:22,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1903322539, now seen corresponding path program 1 times [2022-03-18 16:10:22,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:22,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87600035] [2022-03-18 16:10:22,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:22,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-18 16:10:22,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:22,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87600035] [2022-03-18 16:10:22,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87600035] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:22,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:22,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:22,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332709009] [2022-03-18 16:10:22,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:22,385 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:22,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:22,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:22,386 INFO L87 Difference]: Start difference. First operand 715 states and 1018 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:22,562 INFO L93 Difference]: Finished difference Result 1217 states and 1732 transitions. [2022-03-18 16:10:22,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:22,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (3), 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 99 [2022-03-18 16:10:22,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:22,566 INFO L225 Difference]: With dead ends: 1217 [2022-03-18 16:10:22,566 INFO L226 Difference]: Without dead ends: 736 [2022-03-18 16:10:22,567 INFO L911 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 [2022-03-18 16:10:22,567 INFO L912 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:22,568 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2022-03-18 16:10:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2022-03-18 16:10:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 731 states have (on average 1.424076607387141) internal successors, (1041), 731 states have internal predecessors, (1041), 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) [2022-03-18 16:10:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1045 transitions. [2022-03-18 16:10:22,585 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1045 transitions. Word has length 99 [2022-03-18 16:10:22,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:22,585 INFO L478 AbstractCegarLoop]: Abstraction has 736 states and 1045 transitions. [2022-03-18 16:10:22,585 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1045 transitions. [2022-03-18 16:10:22,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-18 16:10:22,587 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:22,587 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:22,587 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-18 16:10:22,587 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:22,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:22,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1355647686, now seen corresponding path program 1 times [2022-03-18 16:10:22,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:22,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505081314] [2022-03-18 16:10:22,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:22,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-18 16:10:22,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:22,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505081314] [2022-03-18 16:10:22,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505081314] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:22,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:22,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:22,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647444809] [2022-03-18 16:10:22,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:22,638 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:22,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:22,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:22,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:22,639 INFO L87 Difference]: Start difference. First operand 736 states and 1045 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:22,795 INFO L93 Difference]: Finished difference Result 1263 states and 1789 transitions. [2022-03-18 16:10:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:22,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-03-18 16:10:22,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:22,799 INFO L225 Difference]: With dead ends: 1263 [2022-03-18 16:10:22,799 INFO L226 Difference]: Without dead ends: 761 [2022-03-18 16:10:22,800 INFO L911 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 [2022-03-18 16:10:22,802 INFO L912 BasicCegarLoop]: 203 mSDtfsCounter, 179 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:22,802 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 210 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-18 16:10:22,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-03-18 16:10:22,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2022-03-18 16:10:22,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 756 states have (on average 1.4166666666666667) internal successors, (1071), 756 states have internal predecessors, (1071), 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) [2022-03-18 16:10:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1075 transitions. [2022-03-18 16:10:22,822 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1075 transitions. Word has length 100 [2022-03-18 16:10:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:22,822 INFO L478 AbstractCegarLoop]: Abstraction has 761 states and 1075 transitions. [2022-03-18 16:10:22,822 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1075 transitions. [2022-03-18 16:10:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-18 16:10:22,824 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:22,824 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:22,824 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-18 16:10:22,824 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:22,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:22,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1221634180, now seen corresponding path program 1 times [2022-03-18 16:10:22,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:22,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194677967] [2022-03-18 16:10:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:22,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-18 16:10:22,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:22,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194677967] [2022-03-18 16:10:22,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194677967] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:22,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:22,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:22,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270363511] [2022-03-18 16:10:22,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:22,878 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:22,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:22,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:22,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:22,879 INFO L87 Difference]: Start difference. First operand 761 states and 1075 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:23,091 INFO L93 Difference]: Finished difference Result 1003 states and 1422 transitions. [2022-03-18 16:10:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:23,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-03-18 16:10:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:23,095 INFO L225 Difference]: With dead ends: 1003 [2022-03-18 16:10:23,095 INFO L226 Difference]: Without dead ends: 1001 [2022-03-18 16:10:23,096 INFO L911 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 [2022-03-18 16:10:23,096 INFO L912 BasicCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:23,097 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 171 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:23,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2022-03-18 16:10:23,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 1001. [2022-03-18 16:10:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 996 states have (on average 1.4216867469879517) internal successors, (1416), 996 states have internal predecessors, (1416), 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) [2022-03-18 16:10:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1420 transitions. [2022-03-18 16:10:23,121 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1420 transitions. Word has length 100 [2022-03-18 16:10:23,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:23,121 INFO L478 AbstractCegarLoop]: Abstraction has 1001 states and 1420 transitions. [2022-03-18 16:10:23,121 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1420 transitions. [2022-03-18 16:10:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-03-18 16:10:23,124 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:23,124 INFO L500 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:23,124 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-18 16:10:23,124 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:23,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:23,125 INFO L85 PathProgramCache]: Analyzing trace with hash -769853817, now seen corresponding path program 1 times [2022-03-18 16:10:23,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:23,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921820469] [2022-03-18 16:10:23,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:23,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-03-18 16:10:23,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:23,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921820469] [2022-03-18 16:10:23,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921820469] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:23,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:23,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530854078] [2022-03-18 16:10:23,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:23,195 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:23,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:23,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:23,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:23,196 INFO L87 Difference]: Start difference. First operand 1001 states and 1420 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:23,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:23,424 INFO L93 Difference]: Finished difference Result 2193 states and 3163 transitions. [2022-03-18 16:10:23,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:23,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (3), 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 155 [2022-03-18 16:10:23,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:23,432 INFO L225 Difference]: With dead ends: 2193 [2022-03-18 16:10:23,432 INFO L226 Difference]: Without dead ends: 1197 [2022-03-18 16:10:23,434 INFO L911 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 [2022-03-18 16:10:23,434 INFO L912 BasicCegarLoop]: 197 mSDtfsCounter, 236 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:23,435 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 204 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:23,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-03-18 16:10:23,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1157. [2022-03-18 16:10:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1152 states have (on average 1.4375) internal successors, (1656), 1152 states have internal predecessors, (1656), 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) [2022-03-18 16:10:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1660 transitions. [2022-03-18 16:10:23,462 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1660 transitions. Word has length 155 [2022-03-18 16:10:23,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:23,462 INFO L478 AbstractCegarLoop]: Abstraction has 1157 states and 1660 transitions. [2022-03-18 16:10:23,463 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1660 transitions. [2022-03-18 16:10:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-03-18 16:10:23,465 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:23,466 INFO L500 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:23,466 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-18 16:10:23,466 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:23,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:23,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2115685610, now seen corresponding path program 1 times [2022-03-18 16:10:23,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:23,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316165560] [2022-03-18 16:10:23,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:23,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-03-18 16:10:23,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:23,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316165560] [2022-03-18 16:10:23,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316165560] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:23,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:23,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:23,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109507250] [2022-03-18 16:10:23,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:23,514 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:23,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:23,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:23,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:23,514 INFO L87 Difference]: Start difference. First operand 1157 states and 1660 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:23,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:23,722 INFO L93 Difference]: Finished difference Result 2407 states and 3433 transitions. [2022-03-18 16:10:23,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:23,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 191 [2022-03-18 16:10:23,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:23,727 INFO L225 Difference]: With dead ends: 2407 [2022-03-18 16:10:23,727 INFO L226 Difference]: Without dead ends: 1263 [2022-03-18 16:10:23,729 INFO L911 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 [2022-03-18 16:10:23,729 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:23,730 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:23,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2022-03-18 16:10:23,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1249. [2022-03-18 16:10:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1244 states have (on average 1.4212218649517685) internal successors, (1768), 1244 states have internal predecessors, (1768), 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) [2022-03-18 16:10:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1772 transitions. [2022-03-18 16:10:23,759 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1772 transitions. Word has length 191 [2022-03-18 16:10:23,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:23,759 INFO L478 AbstractCegarLoop]: Abstraction has 1249 states and 1772 transitions. [2022-03-18 16:10:23,759 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1772 transitions. [2022-03-18 16:10:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-03-18 16:10:23,763 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:23,763 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 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] [2022-03-18 16:10:23,763 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-18 16:10:23,763 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:23,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:23,764 INFO L85 PathProgramCache]: Analyzing trace with hash 182225272, now seen corresponding path program 1 times [2022-03-18 16:10:23,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:23,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354480974] [2022-03-18 16:10:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:23,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 394 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-03-18 16:10:23,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:23,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354480974] [2022-03-18 16:10:23,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354480974] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:23,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:23,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:23,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124747572] [2022-03-18 16:10:23,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:23,834 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:23,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:23,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:23,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:23,835 INFO L87 Difference]: Start difference. First operand 1249 states and 1772 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:24,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:24,039 INFO L93 Difference]: Finished difference Result 2597 states and 3675 transitions. [2022-03-18 16:10:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:24,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 212 [2022-03-18 16:10:24,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:24,044 INFO L225 Difference]: With dead ends: 2597 [2022-03-18 16:10:24,044 INFO L226 Difference]: Without dead ends: 1361 [2022-03-18 16:10:24,047 INFO L911 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 [2022-03-18 16:10:24,048 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:24,048 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2022-03-18 16:10:24,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1349. [2022-03-18 16:10:24,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1344 states have (on average 1.4047619047619047) internal successors, (1888), 1344 states have internal predecessors, (1888), 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) [2022-03-18 16:10:24,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1892 transitions. [2022-03-18 16:10:24,079 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1892 transitions. Word has length 212 [2022-03-18 16:10:24,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:24,079 INFO L478 AbstractCegarLoop]: Abstraction has 1349 states and 1892 transitions. [2022-03-18 16:10:24,080 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:24,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1892 transitions. [2022-03-18 16:10:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-03-18 16:10:24,083 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:24,083 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:24,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-18 16:10:24,083 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:24,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:24,084 INFO L85 PathProgramCache]: Analyzing trace with hash 292082155, now seen corresponding path program 1 times [2022-03-18 16:10:24,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:24,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45145462] [2022-03-18 16:10:24,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:24,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-03-18 16:10:24,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:24,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45145462] [2022-03-18 16:10:24,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45145462] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:24,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:24,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:24,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621975850] [2022-03-18 16:10:24,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:24,152 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:24,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:24,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:24,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:24,153 INFO L87 Difference]: Start difference. First operand 1349 states and 1892 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:24,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:24,370 INFO L93 Difference]: Finished difference Result 2805 states and 3927 transitions. [2022-03-18 16:10:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:24,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 236 [2022-03-18 16:10:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:24,376 INFO L225 Difference]: With dead ends: 2805 [2022-03-18 16:10:24,376 INFO L226 Difference]: Without dead ends: 1469 [2022-03-18 16:10:24,378 INFO L911 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 [2022-03-18 16:10:24,379 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:24,379 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-03-18 16:10:24,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1461. [2022-03-18 16:10:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1456 states have (on average 1.3873626373626373) internal successors, (2020), 1456 states have internal predecessors, (2020), 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) [2022-03-18 16:10:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2024 transitions. [2022-03-18 16:10:24,410 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2024 transitions. Word has length 236 [2022-03-18 16:10:24,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:24,411 INFO L478 AbstractCegarLoop]: Abstraction has 1461 states and 2024 transitions. [2022-03-18 16:10:24,411 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2024 transitions. [2022-03-18 16:10:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-03-18 16:10:24,415 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:24,415 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:24,415 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-18 16:10:24,415 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:24,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:24,416 INFO L85 PathProgramCache]: Analyzing trace with hash -2000998871, now seen corresponding path program 1 times [2022-03-18 16:10:24,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:24,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4812074] [2022-03-18 16:10:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:24,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-03-18 16:10:24,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:24,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4812074] [2022-03-18 16:10:24,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4812074] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:24,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:24,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:24,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363953493] [2022-03-18 16:10:24,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:24,471 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:24,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:24,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:24,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:24,472 INFO L87 Difference]: Start difference. First operand 1461 states and 2024 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:24,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:24,716 INFO L93 Difference]: Finished difference Result 3045 states and 4227 transitions. [2022-03-18 16:10:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:24,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 236 [2022-03-18 16:10:24,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:24,722 INFO L225 Difference]: With dead ends: 3045 [2022-03-18 16:10:24,722 INFO L226 Difference]: Without dead ends: 1597 [2022-03-18 16:10:24,727 INFO L911 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 [2022-03-18 16:10:24,728 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:24,728 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2022-03-18 16:10:24,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1585. [2022-03-18 16:10:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1580 states have (on average 1.369620253164557) internal successors, (2164), 1580 states have internal predecessors, (2164), 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) [2022-03-18 16:10:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2168 transitions. [2022-03-18 16:10:24,773 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2168 transitions. Word has length 236 [2022-03-18 16:10:24,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:24,773 INFO L478 AbstractCegarLoop]: Abstraction has 1585 states and 2168 transitions. [2022-03-18 16:10:24,774 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:24,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2168 transitions. [2022-03-18 16:10:24,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-18 16:10:24,778 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:24,779 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:24,779 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-18 16:10:24,779 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:24,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:24,779 INFO L85 PathProgramCache]: Analyzing trace with hash -2022834357, now seen corresponding path program 1 times [2022-03-18 16:10:24,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:24,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535124627] [2022-03-18 16:10:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:24,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-03-18 16:10:24,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:24,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535124627] [2022-03-18 16:10:24,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535124627] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:24,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:24,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:24,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909374202] [2022-03-18 16:10:24,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:24,854 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:24,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:24,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:24,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:24,855 INFO L87 Difference]: Start difference. First operand 1585 states and 2168 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:25,058 INFO L93 Difference]: Finished difference Result 4725 states and 6466 transitions. [2022-03-18 16:10:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:25,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 266 [2022-03-18 16:10:25,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:25,069 INFO L225 Difference]: With dead ends: 4725 [2022-03-18 16:10:25,070 INFO L226 Difference]: Without dead ends: 3153 [2022-03-18 16:10:25,074 INFO L911 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 [2022-03-18 16:10:25,074 INFO L912 BasicCegarLoop]: 326 mSDtfsCounter, 299 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:25,074 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 333 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:25,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states. [2022-03-18 16:10:25,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 3151. [2022-03-18 16:10:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 3146 states have (on average 1.3687221869040052) internal successors, (4306), 3146 states have internal predecessors, (4306), 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) [2022-03-18 16:10:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 4310 transitions. [2022-03-18 16:10:25,147 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 4310 transitions. Word has length 266 [2022-03-18 16:10:25,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:25,147 INFO L478 AbstractCegarLoop]: Abstraction has 3151 states and 4310 transitions. [2022-03-18 16:10:25,147 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 4310 transitions. [2022-03-18 16:10:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-18 16:10:25,154 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:25,154 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:25,154 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-18 16:10:25,154 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:25,155 INFO L85 PathProgramCache]: Analyzing trace with hash -20948087, now seen corresponding path program 1 times [2022-03-18 16:10:25,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:25,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841562956] [2022-03-18 16:10:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-03-18 16:10:25,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:25,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841562956] [2022-03-18 16:10:25,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841562956] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:25,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:25,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055934657] [2022-03-18 16:10:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:25,209 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:25,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:25,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:25,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:25,210 INFO L87 Difference]: Start difference. First operand 3151 states and 4310 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:25,479 INFO L93 Difference]: Finished difference Result 6589 states and 9047 transitions. [2022-03-18 16:10:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:25,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 266 [2022-03-18 16:10:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:25,491 INFO L225 Difference]: With dead ends: 6589 [2022-03-18 16:10:25,491 INFO L226 Difference]: Without dead ends: 3451 [2022-03-18 16:10:25,496 INFO L911 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 [2022-03-18 16:10:25,497 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:25,497 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2022-03-18 16:10:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 3435. [2022-03-18 16:10:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3435 states, 3430 states have (on average 1.3498542274052479) internal successors, (4630), 3430 states have internal predecessors, (4630), 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) [2022-03-18 16:10:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 4634 transitions. [2022-03-18 16:10:25,581 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 4634 transitions. Word has length 266 [2022-03-18 16:10:25,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:25,582 INFO L478 AbstractCegarLoop]: Abstraction has 3435 states and 4634 transitions. [2022-03-18 16:10:25,582 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 4634 transitions. [2022-03-18 16:10:25,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-03-18 16:10:25,591 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:25,591 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:25,591 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-18 16:10:25,591 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1479044833, now seen corresponding path program 1 times [2022-03-18 16:10:25,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:25,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810389855] [2022-03-18 16:10:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:25,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:25,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-03-18 16:10:25,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:25,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810389855] [2022-03-18 16:10:25,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810389855] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:25,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:25,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:25,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724928615] [2022-03-18 16:10:25,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:25,660 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:25,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:25,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:25,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:25,661 INFO L87 Difference]: Start difference. First operand 3435 states and 4634 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:25,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:25,893 INFO L93 Difference]: Finished difference Result 7005 states and 9463 transitions. [2022-03-18 16:10:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:25,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 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 290 [2022-03-18 16:10:25,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:25,906 INFO L225 Difference]: With dead ends: 7005 [2022-03-18 16:10:25,907 INFO L226 Difference]: Without dead ends: 3583 [2022-03-18 16:10:25,915 INFO L911 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 [2022-03-18 16:10:25,916 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:25,916 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:25,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2022-03-18 16:10:26,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 3567. [2022-03-18 16:10:26,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3567 states, 3562 states have (on average 1.3425042111173497) internal successors, (4782), 3562 states have internal predecessors, (4782), 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) [2022-03-18 16:10:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4786 transitions. [2022-03-18 16:10:26,015 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4786 transitions. Word has length 290 [2022-03-18 16:10:26,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:26,016 INFO L478 AbstractCegarLoop]: Abstraction has 3567 states and 4786 transitions. [2022-03-18 16:10:26,016 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:26,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4786 transitions. [2022-03-18 16:10:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-03-18 16:10:26,024 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:26,024 INFO L500 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:26,024 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-18 16:10:26,024 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:26,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1116747136, now seen corresponding path program 1 times [2022-03-18 16:10:26,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:26,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072114833] [2022-03-18 16:10:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:26,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 542 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-03-18 16:10:26,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:26,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072114833] [2022-03-18 16:10:26,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072114833] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:26,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:26,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:26,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513553878] [2022-03-18 16:10:26,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:26,118 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:26,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:26,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:26,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:26,118 INFO L87 Difference]: Start difference. First operand 3567 states and 4786 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:26,362 INFO L93 Difference]: Finished difference Result 7521 states and 10227 transitions. [2022-03-18 16:10:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:26,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 301 [2022-03-18 16:10:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:26,391 INFO L225 Difference]: With dead ends: 7521 [2022-03-18 16:10:26,391 INFO L226 Difference]: Without dead ends: 3967 [2022-03-18 16:10:26,399 INFO L911 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 [2022-03-18 16:10:26,399 INFO L912 BasicCegarLoop]: 187 mSDtfsCounter, 230 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:26,399 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:26,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2022-03-18 16:10:26,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 3879. [2022-03-18 16:10:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3879 states, 3874 states have (on average 1.3293753226639133) internal successors, (5150), 3874 states have internal predecessors, (5150), 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) [2022-03-18 16:10:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 5154 transitions. [2022-03-18 16:10:26,489 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 5154 transitions. Word has length 301 [2022-03-18 16:10:26,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:26,490 INFO L478 AbstractCegarLoop]: Abstraction has 3879 states and 5154 transitions. [2022-03-18 16:10:26,490 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:26,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 5154 transitions. [2022-03-18 16:10:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-03-18 16:10:26,499 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:26,500 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:26,500 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-18 16:10:26,500 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:26,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:26,500 INFO L85 PathProgramCache]: Analyzing trace with hash 181112254, now seen corresponding path program 1 times [2022-03-18 16:10:26,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:26,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007524751] [2022-03-18 16:10:26,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:26,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 595 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-03-18 16:10:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:26,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007524751] [2022-03-18 16:10:26,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007524751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:26,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:26,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:26,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843593065] [2022-03-18 16:10:26,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:26,560 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:26,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:26,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:26,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:26,561 INFO L87 Difference]: Start difference. First operand 3879 states and 5154 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) [2022-03-18 16:10:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:26,792 INFO L93 Difference]: Finished difference Result 8153 states and 10771 transitions. [2022-03-18 16:10:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:26,793 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 315 [2022-03-18 16:10:26,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:26,833 INFO L225 Difference]: With dead ends: 8153 [2022-03-18 16:10:26,834 INFO L226 Difference]: Without dead ends: 4287 [2022-03-18 16:10:26,838 INFO L911 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 [2022-03-18 16:10:26,840 INFO L912 BasicCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:26,841 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 192 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:26,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4287 states. [2022-03-18 16:10:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4287 to 3999. [2022-03-18 16:10:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3999 states, 3994 states have (on average 1.3254882323485229) internal successors, (5294), 3994 states have internal predecessors, (5294), 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) [2022-03-18 16:10:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 5298 transitions. [2022-03-18 16:10:26,924 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 5298 transitions. Word has length 315 [2022-03-18 16:10:26,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:26,924 INFO L478 AbstractCegarLoop]: Abstraction has 3999 states and 5298 transitions. [2022-03-18 16:10:26,924 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) [2022-03-18 16:10:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 5298 transitions. [2022-03-18 16:10:26,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-03-18 16:10:26,934 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:26,934 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:26,934 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-18 16:10:26,934 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:26,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:26,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1509737780, now seen corresponding path program 1 times [2022-03-18 16:10:26,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:26,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736567677] [2022-03-18 16:10:26,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:26,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 707 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2022-03-18 16:10:27,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:27,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736567677] [2022-03-18 16:10:27,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736567677] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:27,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:27,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:27,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913248104] [2022-03-18 16:10:27,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:27,002 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:27,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:27,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:27,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:27,002 INFO L87 Difference]: Start difference. First operand 3999 states and 5298 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) [2022-03-18 16:10:27,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:27,245 INFO L93 Difference]: Finished difference Result 11467 states and 15268 transitions. [2022-03-18 16:10:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:27,245 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 316 [2022-03-18 16:10:27,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:27,261 INFO L225 Difference]: With dead ends: 11467 [2022-03-18 16:10:27,261 INFO L226 Difference]: Without dead ends: 7481 [2022-03-18 16:10:27,271 INFO L911 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 [2022-03-18 16:10:27,272 INFO L912 BasicCegarLoop]: 318 mSDtfsCounter, 260 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:27,272 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 325 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:27,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7481 states. [2022-03-18 16:10:27,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7481 to 7479. [2022-03-18 16:10:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7479 states, 7474 states have (on average 1.3323521541343324) internal successors, (9958), 7474 states have internal predecessors, (9958), 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) [2022-03-18 16:10:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7479 states to 7479 states and 9962 transitions. [2022-03-18 16:10:27,476 INFO L78 Accepts]: Start accepts. Automaton has 7479 states and 9962 transitions. Word has length 316 [2022-03-18 16:10:27,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:27,477 INFO L478 AbstractCegarLoop]: Abstraction has 7479 states and 9962 transitions. [2022-03-18 16:10:27,477 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) [2022-03-18 16:10:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 7479 states and 9962 transitions. [2022-03-18 16:10:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-03-18 16:10:27,491 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:27,491 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:27,491 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-18 16:10:27,491 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:27,492 INFO L85 PathProgramCache]: Analyzing trace with hash 294156323, now seen corresponding path program 1 times [2022-03-18 16:10:27,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:27,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771307997] [2022-03-18 16:10:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:27,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 711 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-03-18 16:10:27,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:27,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771307997] [2022-03-18 16:10:27,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771307997] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:27,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:27,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:27,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522391392] [2022-03-18 16:10:27,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:27,556 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:27,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:27,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:27,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:27,557 INFO L87 Difference]: Start difference. First operand 7479 states and 9962 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:27,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:27,843 INFO L93 Difference]: Finished difference Result 14953 states and 19899 transitions. [2022-03-18 16:10:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:27,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 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 317 [2022-03-18 16:10:27,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:27,861 INFO L225 Difference]: With dead ends: 14953 [2022-03-18 16:10:27,861 INFO L226 Difference]: Without dead ends: 7487 [2022-03-18 16:10:27,876 INFO L911 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 [2022-03-18 16:10:27,877 INFO L912 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:27,877 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:27,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7487 states. [2022-03-18 16:10:28,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7487 to 7455. [2022-03-18 16:10:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7455 states, 7450 states have (on average 1.2990604026845638) internal successors, (9678), 7450 states have internal predecessors, (9678), 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) [2022-03-18 16:10:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7455 states to 7455 states and 9682 transitions. [2022-03-18 16:10:28,081 INFO L78 Accepts]: Start accepts. Automaton has 7455 states and 9682 transitions. Word has length 317 [2022-03-18 16:10:28,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:28,081 INFO L478 AbstractCegarLoop]: Abstraction has 7455 states and 9682 transitions. [2022-03-18 16:10:28,081 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 7455 states and 9682 transitions. [2022-03-18 16:10:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-03-18 16:10:28,092 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:28,092 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:28,092 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-18 16:10:28,092 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:28,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:28,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1036717105, now seen corresponding path program 1 times [2022-03-18 16:10:28,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:28,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980224659] [2022-03-18 16:10:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 766 proven. 12 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-03-18 16:10:28,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:28,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980224659] [2022-03-18 16:10:28,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980224659] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:28,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223209321] [2022-03-18 16:10:28,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:28,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:28,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:28,181 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) [2022-03-18 16:10:28,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-18 16:10:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:28,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-18 16:10:28,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2022-03-18 16:10:28,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-18 16:10:28,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223209321] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:28,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-18 16:10:28,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-03-18 16:10:28,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105187885] [2022-03-18 16:10:28,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:28,948 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-18 16:10:28,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:28,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-18 16:10:28,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-18 16:10:28,948 INFO L87 Difference]: Start difference. First operand 7455 states and 9682 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:29,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:29,228 INFO L93 Difference]: Finished difference Result 15075 states and 19588 transitions. [2022-03-18 16:10:29,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-18 16:10:29,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 340 [2022-03-18 16:10:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:29,243 INFO L225 Difference]: With dead ends: 15075 [2022-03-18 16:10:29,244 INFO L226 Difference]: Without dead ends: 7605 [2022-03-18 16:10:29,253 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-03-18 16:10:29,254 INFO L912 BasicCegarLoop]: 150 mSDtfsCounter, 249 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:29,254 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 384 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-18 16:10:29,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2022-03-18 16:10:29,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7461. [2022-03-18 16:10:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7461 states, 7456 states have (on average 1.299087982832618) internal successors, (9686), 7456 states have internal predecessors, (9686), 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) [2022-03-18 16:10:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7461 states to 7461 states and 9690 transitions. [2022-03-18 16:10:29,407 INFO L78 Accepts]: Start accepts. Automaton has 7461 states and 9690 transitions. Word has length 340 [2022-03-18 16:10:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:29,407 INFO L478 AbstractCegarLoop]: Abstraction has 7461 states and 9690 transitions. [2022-03-18 16:10:29,407 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 7461 states and 9690 transitions. [2022-03-18 16:10:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-03-18 16:10:29,418 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:29,418 INFO L500 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:29,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:29,643 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,SelfDestructingSolverStorable22 [2022-03-18 16:10:29,644 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash -416771738, now seen corresponding path program 1 times [2022-03-18 16:10:29,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:29,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320239932] [2022-03-18 16:10:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 791 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-18 16:10:29,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:29,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320239932] [2022-03-18 16:10:29,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320239932] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:29,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532551128] [2022-03-18 16:10:29,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:29,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:29,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:29,728 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) [2022-03-18 16:10:29,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-18 16:10:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:29,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 16:10:29,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 791 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-18 16:10:30,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 16:10:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 791 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-03-18 16:10:30,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532551128] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 16:10:30,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-18 16:10:30,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-18 16:10:30,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146264099] [2022-03-18 16:10:30,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-18 16:10:30,990 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-18 16:10:30,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:30,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-18 16:10:30,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-18 16:10:30,991 INFO L87 Difference]: Start difference. First operand 7461 states and 9690 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:31,836 INFO L93 Difference]: Finished difference Result 14953 states and 19412 transitions. [2022-03-18 16:10:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-18 16:10:31,837 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 353 [2022-03-18 16:10:31,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:31,861 INFO L225 Difference]: With dead ends: 14953 [2022-03-18 16:10:31,861 INFO L226 Difference]: Without dead ends: 11311 [2022-03-18 16:10:31,872 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-18 16:10:31,873 INFO L912 BasicCegarLoop]: 386 mSDtfsCounter, 518 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:31,873 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [518 Valid, 403 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-18 16:10:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11311 states. [2022-03-18 16:10:32,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11311 to 8565. [2022-03-18 16:10:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8565 states, 8560 states have (on average 1.3063084112149532) internal successors, (11182), 8560 states have internal predecessors, (11182), 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) [2022-03-18 16:10:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8565 states to 8565 states and 11186 transitions. [2022-03-18 16:10:32,107 INFO L78 Accepts]: Start accepts. Automaton has 8565 states and 11186 transitions. Word has length 353 [2022-03-18 16:10:32,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:32,107 INFO L478 AbstractCegarLoop]: Abstraction has 8565 states and 11186 transitions. [2022-03-18 16:10:32,108 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 8565 states and 11186 transitions. [2022-03-18 16:10:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-03-18 16:10:32,121 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:32,121 INFO L500 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:32,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:32,331 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,SelfDestructingSolverStorable23 [2022-03-18 16:10:32,332 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:32,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:32,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1669608353, now seen corresponding path program 2 times [2022-03-18 16:10:32,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:32,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863659802] [2022-03-18 16:10:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:32,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 843 proven. 5 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-03-18 16:10:32,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:32,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863659802] [2022-03-18 16:10:32,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863659802] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:32,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63097667] [2022-03-18 16:10:32,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-18 16:10:32,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:32,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:32,414 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) [2022-03-18 16:10:32,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-18 16:10:32,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-18 16:10:32,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-18 16:10:32,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-18 16:10:32,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2022-03-18 16:10:33,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-18 16:10:33,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63097667] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:33,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-18 16:10:33,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-18 16:10:33,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67775013] [2022-03-18 16:10:33,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:33,066 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-18 16:10:33,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:33,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-18 16:10:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:33,066 INFO L87 Difference]: Start difference. First operand 8565 states and 11186 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-03-18 16:10:33,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:33,256 INFO L93 Difference]: Finished difference Result 17391 states and 22683 transitions. [2022-03-18 16:10:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-18 16:10:33,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 366 [2022-03-18 16:10:33,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:33,277 INFO L225 Difference]: With dead ends: 17391 [2022-03-18 16:10:33,277 INFO L226 Difference]: Without dead ends: 8845 [2022-03-18 16:10:33,292 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:33,292 INFO L912 BasicCegarLoop]: 145 mSDtfsCounter, 57 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:33,293 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 225 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-18 16:10:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8845 states. [2022-03-18 16:10:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8845 to 7989. [2022-03-18 16:10:33,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7989 states, 7984 states have (on average 1.2562625250501003) internal successors, (10030), 7984 states have internal predecessors, (10030), 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) [2022-03-18 16:10:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7989 states to 7989 states and 10034 transitions. [2022-03-18 16:10:33,498 INFO L78 Accepts]: Start accepts. Automaton has 7989 states and 10034 transitions. Word has length 366 [2022-03-18 16:10:33,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:33,499 INFO L478 AbstractCegarLoop]: Abstraction has 7989 states and 10034 transitions. [2022-03-18 16:10:33,499 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-03-18 16:10:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 7989 states and 10034 transitions. [2022-03-18 16:10:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-03-18 16:10:33,512 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:33,512 INFO L500 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:33,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:33,739 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:33,740 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:33,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:33,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1653973432, now seen corresponding path program 1 times [2022-03-18 16:10:33,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:33,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454839908] [2022-03-18 16:10:33,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:33,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-18 16:10:33,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:33,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454839908] [2022-03-18 16:10:33,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454839908] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:33,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098711230] [2022-03-18 16:10:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:33,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:33,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:33,831 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) [2022-03-18 16:10:33,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-18 16:10:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:33,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 16:10:33,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-18 16:10:34,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 16:10:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-18 16:10:34,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098711230] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 16:10:34,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-18 16:10:34,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-18 16:10:34,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50975288] [2022-03-18 16:10:34,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-18 16:10:34,907 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-18 16:10:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:34,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-18 16:10:34,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-18 16:10:34,908 INFO L87 Difference]: Start difference. First operand 7989 states and 10034 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:35,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:35,405 INFO L93 Difference]: Finished difference Result 18109 states and 22644 transitions. [2022-03-18 16:10:35,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-18 16:10:35,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 380 [2022-03-18 16:10:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:35,427 INFO L225 Difference]: With dead ends: 18109 [2022-03-18 16:10:35,428 INFO L226 Difference]: Without dead ends: 10131 [2022-03-18 16:10:35,442 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-18 16:10:35,442 INFO L912 BasicCegarLoop]: 225 mSDtfsCounter, 552 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:35,444 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 242 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-18 16:10:35,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10131 states. [2022-03-18 16:10:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10131 to 8380. [2022-03-18 16:10:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8380 states, 8375 states have (on average 1.2530149253731344) internal successors, (10494), 8375 states have internal predecessors, (10494), 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) [2022-03-18 16:10:35,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8380 states to 8380 states and 10498 transitions. [2022-03-18 16:10:35,619 INFO L78 Accepts]: Start accepts. Automaton has 8380 states and 10498 transitions. Word has length 380 [2022-03-18 16:10:35,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:35,620 INFO L478 AbstractCegarLoop]: Abstraction has 8380 states and 10498 transitions. [2022-03-18 16:10:35,620 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 8380 states and 10498 transitions. [2022-03-18 16:10:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-03-18 16:10:35,631 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:35,631 INFO L500 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:35,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:35,857 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,SelfDestructingSolverStorable25 [2022-03-18 16:10:35,858 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:35,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1770119345, now seen corresponding path program 1 times [2022-03-18 16:10:35,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:35,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091141428] [2022-03-18 16:10:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-18 16:10:35,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:35,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091141428] [2022-03-18 16:10:35,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091141428] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:35,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:35,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:35,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171262120] [2022-03-18 16:10:35,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:35,952 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:35,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:35,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:35,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:35,953 INFO L87 Difference]: Start difference. First operand 8380 states and 10498 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:36,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:36,228 INFO L93 Difference]: Finished difference Result 15846 states and 19469 transitions. [2022-03-18 16:10:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:36,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 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 419 [2022-03-18 16:10:36,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:36,236 INFO L225 Difference]: With dead ends: 15846 [2022-03-18 16:10:36,236 INFO L226 Difference]: Without dead ends: 3862 [2022-03-18 16:10:36,249 INFO L911 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 [2022-03-18 16:10:36,251 INFO L912 BasicCegarLoop]: 188 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:36,251 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 195 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2022-03-18 16:10:36,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3671. [2022-03-18 16:10:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3671 states, 3666 states have (on average 1.2414075286415711) internal successors, (4551), 3666 states have internal predecessors, (4551), 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) [2022-03-18 16:10:36,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3671 states to 3671 states and 4555 transitions. [2022-03-18 16:10:36,316 INFO L78 Accepts]: Start accepts. Automaton has 3671 states and 4555 transitions. Word has length 419 [2022-03-18 16:10:36,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:36,316 INFO L478 AbstractCegarLoop]: Abstraction has 3671 states and 4555 transitions. [2022-03-18 16:10:36,317 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 4555 transitions. [2022-03-18 16:10:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-03-18 16:10:36,326 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:36,327 INFO L500 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:36,327 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-18 16:10:36,327 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:36,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:36,327 INFO L85 PathProgramCache]: Analyzing trace with hash 284201983, now seen corresponding path program 1 times [2022-03-18 16:10:36,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:36,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474766490] [2022-03-18 16:10:36,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:36,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1571 proven. 14 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2022-03-18 16:10:36,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:36,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474766490] [2022-03-18 16:10:36,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474766490] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:36,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318072278] [2022-03-18 16:10:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:36,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:36,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:36,416 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) [2022-03-18 16:10:36,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-18 16:10:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:36,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 16:10:36,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1018 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2022-03-18 16:10:37,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-18 16:10:37,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318072278] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:37,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-18 16:10:37,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-18 16:10:37,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724817025] [2022-03-18 16:10:37,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:37,449 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-18 16:10:37,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:37,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-18 16:10:37,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:37,450 INFO L87 Difference]: Start difference. First operand 3671 states and 4555 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-03-18 16:10:37,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:37,503 INFO L93 Difference]: Finished difference Result 4087 states and 5036 transitions. [2022-03-18 16:10:37,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-18 16:10:37,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 503 [2022-03-18 16:10:37,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:37,537 INFO L225 Difference]: With dead ends: 4087 [2022-03-18 16:10:37,537 INFO L226 Difference]: Without dead ends: 4010 [2022-03-18 16:10:37,538 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:37,539 INFO L912 BasicCegarLoop]: 303 mSDtfsCounter, 61 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 460 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 [2022-03-18 16:10:37,539 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 460 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-18 16:10:37,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4010 states. [2022-03-18 16:10:37,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4010 to 3596. [2022-03-18 16:10:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3596 states, 3591 states have (on average 1.241436925647452) internal successors, (4458), 3591 states have internal predecessors, (4458), 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) [2022-03-18 16:10:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3596 states to 3596 states and 4462 transitions. [2022-03-18 16:10:37,617 INFO L78 Accepts]: Start accepts. Automaton has 3596 states and 4462 transitions. Word has length 503 [2022-03-18 16:10:37,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:37,618 INFO L478 AbstractCegarLoop]: Abstraction has 3596 states and 4462 transitions. [2022-03-18 16:10:37,618 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-03-18 16:10:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3596 states and 4462 transitions. [2022-03-18 16:10:37,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-03-18 16:10:37,627 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:37,627 INFO L500 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:37,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:37,845 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,SelfDestructingSolverStorable27 [2022-03-18 16:10:37,845 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:37,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:37,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2077143838, now seen corresponding path program 1 times [2022-03-18 16:10:37,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:37,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184481604] [2022-03-18 16:10:37,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:37,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3928 backedges. 2054 proven. 14 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2022-03-18 16:10:37,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:37,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184481604] [2022-03-18 16:10:37,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184481604] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:37,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395073788] [2022-03-18 16:10:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:37,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:37,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:37,985 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) [2022-03-18 16:10:38,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-18 16:10:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:38,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 16:10:38,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3928 backedges. 2054 proven. 14 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2022-03-18 16:10:38,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 16:10:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3928 backedges. 2054 proven. 14 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2022-03-18 16:10:39,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395073788] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 16:10:39,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-18 16:10:39,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-18 16:10:39,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347873114] [2022-03-18 16:10:39,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-18 16:10:39,564 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-18 16:10:39,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:39,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-18 16:10:39,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-18 16:10:39,565 INFO L87 Difference]: Start difference. First operand 3596 states and 4462 transitions. Second operand has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 8 states have internal predecessors, (332), 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) [2022-03-18 16:10:40,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:40,016 INFO L93 Difference]: Finished difference Result 4449 states and 5518 transitions. [2022-03-18 16:10:40,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-18 16:10:40,017 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 8 states have internal predecessors, (332), 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 615 [2022-03-18 16:10:40,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:40,018 INFO L225 Difference]: With dead ends: 4449 [2022-03-18 16:10:40,018 INFO L226 Difference]: Without dead ends: 0 [2022-03-18 16:10:40,025 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 1241 GetRequests, 1231 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-18 16:10:40,026 INFO L912 BasicCegarLoop]: 159 mSDtfsCounter, 345 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:40,026 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 181 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-18 16:10:40,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-18 16:10:40,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-18 16:10:40,026 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) [2022-03-18 16:10:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-18 16:10:40,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 615 [2022-03-18 16:10:40,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:40,027 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-18 16:10:40,027 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 8 states have internal predecessors, (332), 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) [2022-03-18 16:10:40,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-18 16:10:40,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-18 16:10:40,029 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-18 16:10:40,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:40,255 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-03-18 16:10:40,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-18 16:10:45,795 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 13) no Hoare annotation was computed. [2022-03-18 16:10:45,795 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 13) no Hoare annotation was computed. [2022-03-18 16:10:45,795 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 13) no Hoare annotation was computed. [2022-03-18 16:10:45,795 INFO L882 garLoopResultBuilder]: For program point L594-1(line 594) no Hoare annotation was computed. [2022-03-18 16:10:45,795 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 588 598) the Hoare annotation is: true [2022-03-18 16:10:45,795 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 588 598) no Hoare annotation was computed. [2022-03-18 16:10:45,795 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 588 598) no Hoare annotation was computed. [2022-03-18 16:10:45,796 INFO L878 garLoopResultBuilder]: At program point L594(line 594) the Hoare annotation is: (<= 12292 main_~s~0) [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-18 16:10:45,796 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|)) [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2022-03-18 16:10:45,796 INFO L878 garLoopResultBuilder]: At program point L201(lines 197 530) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point L466(lines 466 468) no Hoare annotation was computed. [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point L367(lines 367 369) no Hoare annotation was computed. [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point L269(lines 269 272) no Hoare annotation was computed. [2022-03-18 16:10:45,796 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 528) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 539) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 550) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L303(lines 303 305) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L237(lines 237 240) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L303-2(lines 222 520) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L878 garLoopResultBuilder]: At program point L171(lines 167 540) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L105(lines 105 111) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L502(lines 502 504) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L502-2(lines 502 504) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L370-2(lines 370 374) no Hoare annotation was computed. [2022-03-18 16:10:45,797 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 527) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 538) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 549) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L339(lines 339 341) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L339-2(lines 222 520) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L878 garLoopResultBuilder]: At program point L207(lines 203 528) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-18 16:10:45,798 INFO L878 garLoopResultBuilder]: At program point L141(lines 137 550) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0) (not (<= 4400 ssl3_connect_~s__state~0))) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L108(lines 108 110) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L108-2(lines 105 111) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L439(lines 439 441) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L406(lines 406 408) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 526) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 537) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 548) no Hoare annotation was computed. [2022-03-18 16:10:45,798 INFO L882 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L508-2(lines 508 510) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L310(lines 310 314) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L885 garLoopResultBuilder]: At program point L575(lines 118 576) the Hoare annotation is: true [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L212(lines 212 525) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 536) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 547) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L878 garLoopResultBuilder]: At program point L213(lines 209 526) the Hoare annotation is: (let ((.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (not .cse2)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (< ssl3_connect_~s__state~0 12292) .cse0 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-18 16:10:45,799 INFO L878 garLoopResultBuilder]: At program point L147(lines 143 548) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (not (<= 4400 ssl3_connect_~s__state~0)))) (or (and .cse0 (= ssl3_connect_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L114(lines 114 116) no Hoare annotation was computed. [2022-03-18 16:10:45,799 INFO L882 garLoopResultBuilder]: For program point L247(lines 247 263) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L247-2(lines 222 520) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L479(lines 479 491) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L446(lines 446 460) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L446-1(lines 446 460) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L479-2(lines 479 491) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L347(lines 347 350) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L281(lines 281 283) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L215(lines 215 524) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L281-2(lines 222 520) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 535) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 546) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L882 garLoopResultBuilder]: For program point L513(lines 513 515) no Hoare annotation was computed. [2022-03-18 16:10:45,800 INFO L878 garLoopResultBuilder]: At program point L216(lines 215 524) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (not .cse2) (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-18 16:10:45,800 INFO L878 garLoopResultBuilder]: At program point L183(lines 173 538) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-18 16:10:45,801 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 587) the Hoare annotation is: true [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L580(lines 580 582) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L580-2(lines 580 582) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L382(lines 382 384) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L218(lines 218 523) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 534) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 545) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L119-1(lines 96 586) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L885 garLoopResultBuilder]: At program point L219(lines 218 523) the Hoare annotation is: true [2022-03-18 16:10:45,801 INFO L878 garLoopResultBuilder]: At program point L153(lines 149 546) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (< 4384 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (= 2 ssl3_connect_~blastFlag~0) .cse1 .cse2))) [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2022-03-18 16:10:45,801 INFO L882 garLoopResultBuilder]: For program point L253(lines 253 256) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L882 garLoopResultBuilder]: For program point L485(lines 485 488) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L885 garLoopResultBuilder]: At program point L221(lines 220 523) the Hoare annotation is: true [2022-03-18 16:10:45,802 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 533) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 544) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 555) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L882 garLoopResultBuilder]: For program point L321(lines 321 331) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L882 garLoopResultBuilder]: For program point L321-2(lines 321 331) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L878 garLoopResultBuilder]: At program point L189(lines 185 534) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-18 16:10:45,802 INFO L878 garLoopResultBuilder]: At program point L123(lines 122 555) the Hoare annotation is: (or (and (<= 12292 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-18 16:10:45,802 INFO L882 garLoopResultBuilder]: For program point L355(lines 355 357) no Hoare annotation was computed. [2022-03-18 16:10:45,802 INFO L878 garLoopResultBuilder]: At program point L521(lines 119 574) the Hoare annotation is: (let ((.cse4 (= ssl3_connect_~s__hit~0 0))) (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse3 (not .cse4)) (.cse11 (= ssl3_connect_~s__state~0 4464)) (.cse10 (= 4496 ssl3_connect_~s__state~0)) (.cse16 (<= 4352 ssl3_connect_~s__state~0)) (.cse17 (<= ssl3_connect_~s__state~0 4352)) (.cse13 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse12 (= 4400 ssl3_connect_~s__state~0)) (.cse9 (= 4512 ssl3_connect_~s__state~0)) (.cse7 (= 3 ssl3_connect_~s__state~0)) (.cse8 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse5 (= ssl3_connect_~s__state~0 4448)) (.cse14 (= ssl3_connect_~s__state~0 4416)) (.cse15 (= ssl3_connect_~s__state~0 4480)) (.cse6 (<= ssl3_connect_~blastFlag~0 4)) (.cse18 (= ssl3_connect_~s__state~0 4528)) (.cse2 (= 2 ssl3_connect_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse4) (and .cse8 .cse4 .cse9) (and .cse8 .cse4 .cse10) (and .cse8 .cse4 .cse11) (and .cse8 .cse12 .cse4 .cse6) (and .cse2 .cse9) (and .cse0 .cse8 .cse1 .cse4 .cse13) (and .cse14 .cse8 .cse4 .cse6) (and .cse8 .cse4 .cse15) (and .cse16 .cse17 .cse2 .cse3 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse4 .cse11 .cse6) (and (= 4432 ssl3_connect_~s__state~0) .cse4 .cse6) (= ssl3_connect_~blastFlag~0 0) (and .cse4 .cse10 .cse6) (and .cse16 .cse17 .cse8 .cse4 .cse13) (and .cse12 .cse2 .cse4) (and .cse14 .cse2 .cse4) (and .cse4 .cse9 .cse6) (and .cse8 .cse7) (and .cse18 .cse8 .cse4) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse8 .cse4 .cse5) (and .cse14 (= 3 ssl3_connect_~blastFlag~0) .cse4) (and .cse4 .cse15 .cse6) (and .cse18 .cse4 .cse6) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse18 .cse2)))) [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L878 garLoopResultBuilder]: At program point L356(lines 96 586) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L422-2(lines 222 520) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 532) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 543) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 554) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 587) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L258(lines 258 261) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L878 garLoopResultBuilder]: At program point L159(lines 155 544) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (< 4384 ssl3_connect_~s__state~0))) (or (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and (= 3 ssl3_connect_~blastFlag~0) .cse0 .cse1 .cse2) (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (= 2 ssl3_connect_~blastFlag~0) .cse1 .cse2))) [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 587) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L556(lines 556 572) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L391(lines 391 393) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L358(lines 358 360) no Hoare annotation was computed. [2022-03-18 16:10:45,803 INFO L882 garLoopResultBuilder]: For program point L325(lines 325 327) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L292(lines 292 294) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L325-2(lines 323 331) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L557(lines 557 571) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L878 garLoopResultBuilder]: At program point L227(lines 125 554) the Hoare annotation is: (or (= ssl3_connect_~blastFlag~0 0) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 531) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 542) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 553) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L558(lines 558 563) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L558-2(lines 557 571) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L878 garLoopResultBuilder]: At program point L195(lines 191 532) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 584) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L560(lines 560 562) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L395(lines 395 400) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L395-2(lines 395 400) no Hoare annotation was computed. [2022-03-18 16:10:45,804 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 530) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 541) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 552) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L878 garLoopResultBuilder]: At program point L165(lines 161 542) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L496-1(lines 496 498) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L232-2(lines 232 234) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L431(lines 431 434) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 529) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 540) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 551) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-18 16:10:45,805 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-18 16:10:45,805 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-18 16:10:45,805 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-18 16:10:45,808 INFO L718 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:45,809 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-18 16:10:45,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.03 04:10:45 BoogieIcfgContainer [2022-03-18 16:10:45,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-18 16:10:45,829 INFO L158 Benchmark]: Toolchain (without parser) took 27327.84ms. Allocated memory was 197.1MB in the beginning and 547.4MB in the end (delta: 350.2MB). Free memory was 146.0MB in the beginning and 309.1MB in the end (delta: -163.1MB). Peak memory consumption was 334.5MB. Max. memory is 8.0GB. [2022-03-18 16:10:45,829 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory was 163.0MB in the beginning and 162.8MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-18 16:10:45,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.83ms. Allocated memory is still 197.1MB. Free memory was 145.7MB in the beginning and 168.4MB in the end (delta: -22.7MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-03-18 16:10:45,830 INFO L158 Benchmark]: Boogie Preprocessor took 42.65ms. Allocated memory is still 197.1MB. Free memory was 168.4MB in the beginning and 165.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-18 16:10:45,830 INFO L158 Benchmark]: RCFGBuilder took 533.75ms. Allocated memory is still 197.1MB. Free memory was 165.8MB in the beginning and 139.6MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-03-18 16:10:45,830 INFO L158 Benchmark]: TraceAbstraction took 26382.13ms. Allocated memory was 197.1MB in the beginning and 547.4MB in the end (delta: 350.2MB). Free memory was 139.1MB in the beginning and 309.1MB in the end (delta: -170.0MB). Peak memory consumption was 327.5MB. Max. memory is 8.0GB. [2022-03-18 16:10:45,831 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 197.1MB. Free memory was 163.0MB in the beginning and 162.8MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 364.83ms. Allocated memory is still 197.1MB. Free memory was 145.7MB in the beginning and 168.4MB in the end (delta: -22.7MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.65ms. Allocated memory is still 197.1MB. Free memory was 168.4MB in the beginning and 165.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 533.75ms. Allocated memory is still 197.1MB. Free memory was 165.8MB in the beginning and 139.6MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 26382.13ms. Allocated memory was 197.1MB in the beginning and 547.4MB in the end (delta: 350.2MB). Free memory was 139.1MB in the beginning and 309.1MB in the end (delta: -170.0MB). Peak memory consumption was 327.5MB. 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: 584]: 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, 140 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.3s, OverallIterations: 29, TraceHistogramMax: 21, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7340 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7338 mSDsluCounter, 6789 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 690 mSDsCounter, 677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6745 IncrementalHoareTripleChecker+Invalid, 7422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 677 mSolverCounterUnsat, 6099 mSDtfsCounter, 6745 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4117 GetRequests, 4005 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8565occurred in iteration=24, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 29 MinimizatonAttempts, 6702 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 268 NumberOfFragments, 867 HoareAnnotationTreeSize, 26 FomulaSimplifications, 8669 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 26 FomulaSimplificationsInter, 22988 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 9379 NumberOfCodeBlocks, 9379 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 10689 ConstructedInterpolants, 0 QuantifiedInterpolants, 15094 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4967 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 38 InterpolantComputations, 26 PerfectInterpolantSequences, 45039/45163 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: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4560) && s__hit == 0) && 4384 < s__state) && blastFlag <= 4) || ((s__state <= 4560 && blastFlag == 0) && 4384 < s__state)) || !(12292 <= \old(initial_state))) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4384 < s__state) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((((4560 <= s__state && s__state <= 4560) && 2 == blastFlag) && !(s__hit == 0)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state < 12292 && 4560 <= s__state) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4560) && s__hit == 0) && 4384 < s__state) && blastFlag <= 4) || (((3 == blastFlag && s__state <= 4560) && s__hit == 0) && 4384 < s__state)) || ((s__state <= 4560 && blastFlag == 0) && 4384 < s__state)) || !(12292 <= \old(initial_state))) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4384 < s__state) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && !(s__hit == 0)) && 3 == s__s3__tmp__next_state___0) || ((4352 <= s__state && s__state <= 4352) && blastFlag == 0)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((4560 <= s__state && s__state <= 4560) && 2 == blastFlag) && !(s__hit == 0)) || ((s__hit == 0 && s__state == 4448) && blastFlag <= 4)) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4512 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4496 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4464)) || (((s__s3__tmp__next_state___0 <= 4560 && 4400 == s__state) && s__hit == 0) && blastFlag <= 4)) || (2 == blastFlag && 4512 == s__state)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (((s__state == 4416 && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4480)) || ((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && !(s__hit == 0)) && 3 == s__s3__tmp__next_state___0)) || ((s__hit == 0 && s__state == 4464) && blastFlag <= 4)) || ((4432 == s__state && s__hit == 0) && blastFlag <= 4)) || blastFlag == 0) || ((s__hit == 0 && 4496 == s__state) && blastFlag <= 4)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__state == 4416 && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && 4512 == s__state) && blastFlag <= 4)) || (s__s3__tmp__next_state___0 <= 4560 && 3 == s__state)) || ((s__state == 4528 && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0)) || !(12292 <= \old(initial_state))) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4448)) || ((s__state == 4416 && 3 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && s__state == 4480) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && blastFlag <= 4)) || (blastFlag == 1 && s__state == 4384)) || (s__state == 4528 && 2 == blastFlag) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag == 1) && !(4400 <= s__state)) || ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state))) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-03-18 16:10:45,873 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...