/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/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.06.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 03:13:41,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 03:13:41,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 03:13:41,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 03:13:41,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 03:13:41,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 03:13:41,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 03:13:41,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 03:13:41,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 03:13:41,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 03:13:41,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 03:13:41,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 03:13:41,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 03:13:41,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 03:13:41,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 03:13:41,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 03:13:41,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 03:13:41,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 03:13:41,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 03:13:41,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 03:13:41,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-15 03:13:41,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 03:13:41,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 03:13:41,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 03:13:41,561 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 03:13:41,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 03:13:41,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 03:13:41,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 03:13:41,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 03:13:41,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 03:13:41,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 03:13:41,562 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 03:13:41,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 03:13:41,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 03:13:41,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 03:13:41,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 03:13:41,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 03:13:41,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 03:13:41,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 03:13:41,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:13:41,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 03:13:41,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 03:13:41,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 03:13:41,564 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-15 03:13:41,564 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 03:13:41,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 03:13:41,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 03:13:41,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 03:13:41,813 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 03:13:41,813 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 03:13:41,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.06.i.cil-1.c [2022-02-15 03:13:41,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a960c6109/5983f9c8b6404d42a0f7c1121ea32983/FLAGbd6f4c82d [2022-02-15 03:13:42,377 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 03:13:42,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.06.i.cil-1.c [2022-02-15 03:13:42,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a960c6109/5983f9c8b6404d42a0f7c1121ea32983/FLAGbd6f4c82d [2022-02-15 03:13:42,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a960c6109/5983f9c8b6404d42a0f7c1121ea32983 [2022-02-15 03:13:42,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 03:13:42,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 03:13:42,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 03:13:42,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 03:13:42,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 03:13:42,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:13:42" (1/1) ... [2022-02-15 03:13:42,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6f7c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:42, skipping insertion in model container [2022-02-15 03:13:42,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:13:42" (1/1) ... [2022-02-15 03:13:42,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 03:13:42,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 03:13:43,186 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/s3_srvr.blast.06.i.cil-1.c[78520,78533] [2022-02-15 03:13:43,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:13:43,222 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 03:13:43,321 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/s3_srvr.blast.06.i.cil-1.c[78520,78533] [2022-02-15 03:13:43,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:13:43,337 INFO L208 MainTranslator]: Completed translation [2022-02-15 03:13:43,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43 WrapperNode [2022-02-15 03:13:43,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 03:13:43,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 03:13:43,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 03:13:43,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 03:13:43,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 03:13:43,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 03:13:43,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 03:13:43,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 03:13:43,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (1/1) ... [2022-02-15 03:13:43,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:13:43,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 03:13:43,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 03:13:43,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 03:13:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 03:13:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 03:13:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 03:13:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-15 03:13:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-15 03:13:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 03:13:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-15 03:13:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 03:13:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 03:13:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 03:13:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 03:13:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 03:13:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 03:13:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 03:13:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 03:13:43,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 03:13:43,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 03:13:43,728 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 03:13:43,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 03:13:44,690 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:13:45,180 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-15 03:13:45,181 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-15 03:13:45,192 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 03:13:45,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 03:13:45,201 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 03:13:45,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:13:45 BoogieIcfgContainer [2022-02-15 03:13:45,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 03:13:45,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 03:13:45,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 03:13:45,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 03:13:45,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:13:42" (1/3) ... [2022-02-15 03:13:45,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2fdbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:13:45, skipping insertion in model container [2022-02-15 03:13:45,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:13:43" (2/3) ... [2022-02-15 03:13:45,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2fdbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:13:45, skipping insertion in model container [2022-02-15 03:13:45,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:13:45" (3/3) ... [2022-02-15 03:13:45,213 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.06.i.cil-1.c [2022-02-15 03:13:45,217 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 03:13:45,217 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 03:13:45,250 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 03:13:45,256 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-02-15 03:13:45,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 03:13:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 161 states have (on average 1.7267080745341614) internal successors, (278), 162 states have internal predecessors, (278), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 03:13:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-15 03:13:45,285 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:45,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:45,286 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:45,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:45,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2054814794, now seen corresponding path program 1 times [2022-02-15 03:13:45,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:45,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349257144] [2022-02-15 03:13:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:45,368 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:45,865 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:45,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349257144] [2022-02-15 03:13:45,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1349257144] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:45,867 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:45,867 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:45,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430951221] [2022-02-15 03:13:45,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:45,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:45,880 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:45,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:45,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:45,916 INFO L87 Difference]: Start difference. First operand has 169 states, 161 states have (on average 1.7267080745341614) internal successors, (278), 162 states have internal predecessors, (278), 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 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:47,774 INFO L93 Difference]: Finished difference Result 461 states and 788 transitions. [2022-02-15 03:13:47,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:47,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 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 51 [2022-02-15 03:13:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:47,788 INFO L225 Difference]: With dead ends: 461 [2022-02-15 03:13:47,788 INFO L226 Difference]: Without dead ends: 281 [2022-02-15 03:13:47,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:47,795 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 172 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:47,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 529 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-02-15 03:13:47,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-02-15 03:13:47,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 193. [2022-02-15 03:13:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 188 states have (on average 1.627659574468085) internal successors, (306), 188 states have internal predecessors, (306), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 310 transitions. [2022-02-15 03:13:47,846 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 310 transitions. Word has length 51 [2022-02-15 03:13:47,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:47,847 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 310 transitions. [2022-02-15 03:13:47,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 310 transitions. [2022-02-15 03:13:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-15 03:13:47,850 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:47,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:47,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 03:13:47,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:47,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:47,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1754606550, now seen corresponding path program 1 times [2022-02-15 03:13:47,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:47,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414026742] [2022-02-15 03:13:47,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:47,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:47,857 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:48,071 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:48,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414026742] [2022-02-15 03:13:48,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [414026742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:48,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:48,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:48,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864845588] [2022-02-15 03:13:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:48,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:48,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:48,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:48,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:48,075 INFO L87 Difference]: Start difference. First operand 193 states and 310 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:49,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:49,698 INFO L93 Difference]: Finished difference Result 399 states and 642 transitions. [2022-02-15 03:13:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:49,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 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 52 [2022-02-15 03:13:49,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:49,703 INFO L225 Difference]: With dead ends: 399 [2022-02-15 03:13:49,704 INFO L226 Difference]: Without dead ends: 221 [2022-02-15 03:13:49,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:49,706 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 22 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:49,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 547 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-02-15 03:13:49,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-02-15 03:13:49,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 204. [2022-02-15 03:13:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.6331658291457287) internal successors, (325), 199 states have internal predecessors, (325), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 329 transitions. [2022-02-15 03:13:49,744 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 329 transitions. Word has length 52 [2022-02-15 03:13:49,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:49,744 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 329 transitions. [2022-02-15 03:13:49,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 329 transitions. [2022-02-15 03:13:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-15 03:13:49,750 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:49,750 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:49,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 03:13:49,751 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:49,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:49,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1892555779, now seen corresponding path program 1 times [2022-02-15 03:13:49,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:49,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938171304] [2022-02-15 03:13:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:49,779 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:49,780 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:49,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:49,785 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:49,939 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:49,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938171304] [2022-02-15 03:13:49,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [938171304] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:49,940 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:49,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:49,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756373229] [2022-02-15 03:13:49,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:49,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:49,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:49,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:49,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:49,942 INFO L87 Difference]: Start difference. First operand 204 states and 329 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:52,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:52,229 INFO L93 Difference]: Finished difference Result 399 states and 641 transitions. [2022-02-15 03:13:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:52,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 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 65 [2022-02-15 03:13:52,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:52,231 INFO L225 Difference]: With dead ends: 399 [2022-02-15 03:13:52,231 INFO L226 Difference]: Without dead ends: 221 [2022-02-15 03:13:52,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:52,234 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 24 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:52,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 549 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 03:13:52,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-02-15 03:13:52,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 204. [2022-02-15 03:13:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.6281407035175879) internal successors, (324), 199 states have internal predecessors, (324), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 328 transitions. [2022-02-15 03:13:52,252 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 328 transitions. Word has length 65 [2022-02-15 03:13:52,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:52,253 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 328 transitions. [2022-02-15 03:13:52,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 328 transitions. [2022-02-15 03:13:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:52,255 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:52,255 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:52,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 03:13:52,255 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:52,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:52,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2036186669, now seen corresponding path program 1 times [2022-02-15 03:13:52,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:52,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193828189] [2022-02-15 03:13:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:52,266 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:52,266 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:52,270 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:52,481 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:52,481 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193828189] [2022-02-15 03:13:52,482 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1193828189] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:52,482 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:52,482 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:52,482 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200835378] [2022-02-15 03:13:52,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:52,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:52,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:52,487 INFO L87 Difference]: Start difference. First operand 204 states and 328 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:54,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:54,839 INFO L93 Difference]: Finished difference Result 398 states and 639 transitions. [2022-02-15 03:13:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:54,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:13:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:54,841 INFO L225 Difference]: With dead ends: 398 [2022-02-15 03:13:54,841 INFO L226 Difference]: Without dead ends: 220 [2022-02-15 03:13:54,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:54,843 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 28 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:54,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 551 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 03:13:54,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-02-15 03:13:54,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 204. [2022-02-15 03:13:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.6231155778894473) internal successors, (323), 199 states have internal predecessors, (323), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 327 transitions. [2022-02-15 03:13:54,857 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 327 transitions. Word has length 66 [2022-02-15 03:13:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:54,858 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 327 transitions. [2022-02-15 03:13:54,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2022-02-15 03:13:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:54,860 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:54,860 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:54,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 03:13:54,860 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:54,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:54,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1420769855, now seen corresponding path program 1 times [2022-02-15 03:13:54,861 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:54,861 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397125232] [2022-02-15 03:13:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:54,869 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:54,870 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:54,874 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:55,010 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:55,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397125232] [2022-02-15 03:13:55,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [397125232] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:55,011 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:55,011 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:55,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455620966] [2022-02-15 03:13:55,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:55,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:55,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:55,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:55,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:55,013 INFO L87 Difference]: Start difference. First operand 204 states and 327 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:56,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:56,723 INFO L93 Difference]: Finished difference Result 509 states and 820 transitions. [2022-02-15 03:13:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:56,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:13:56,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:56,726 INFO L225 Difference]: With dead ends: 509 [2022-02-15 03:13:56,726 INFO L226 Difference]: Without dead ends: 331 [2022-02-15 03:13:56,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:56,728 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 167 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:56,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 410 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-02-15 03:13:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-02-15 03:13:56,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 216. [2022-02-15 03:13:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 211 states have (on average 1.6066350710900474) internal successors, (339), 211 states have internal predecessors, (339), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 343 transitions. [2022-02-15 03:13:56,750 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 343 transitions. Word has length 66 [2022-02-15 03:13:56,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:56,751 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 343 transitions. [2022-02-15 03:13:56,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 343 transitions. [2022-02-15 03:13:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:56,757 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:56,757 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:13:56,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 03:13:56,758 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:56,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:56,758 INFO L85 PathProgramCache]: Analyzing trace with hash 653945720, now seen corresponding path program 1 times [2022-02-15 03:13:56,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:56,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565334266] [2022-02-15 03:13:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:56,774 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:56,775 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:56,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:56,779 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:56,965 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:56,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565334266] [2022-02-15 03:13:56,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1565334266] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:56,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:56,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:56,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300301641] [2022-02-15 03:13:56,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:56,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:56,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:56,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:56,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:56,969 INFO L87 Difference]: Start difference. First operand 216 states and 343 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:59,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:13:59,037 INFO L93 Difference]: Finished difference Result 521 states and 834 transitions. [2022-02-15 03:13:59,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:13:59,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:13:59,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:13:59,039 INFO L225 Difference]: With dead ends: 521 [2022-02-15 03:13:59,039 INFO L226 Difference]: Without dead ends: 331 [2022-02-15 03:13:59,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:13:59,041 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 161 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:13:59,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 410 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-02-15 03:13:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-02-15 03:13:59,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 221. [2022-02-15 03:13:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.6018518518518519) internal successors, (346), 216 states have internal predecessors, (346), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 350 transitions. [2022-02-15 03:13:59,059 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 350 transitions. Word has length 66 [2022-02-15 03:13:59,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:13:59,059 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 350 transitions. [2022-02-15 03:13:59,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:13:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 350 transitions. [2022-02-15 03:13:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:13:59,061 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:13:59,061 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 03:13:59,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 03:13:59,061 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:13:59,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:13:59,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1154597241, now seen corresponding path program 1 times [2022-02-15 03:13:59,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:13:59,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997191589] [2022-02-15 03:13:59,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:13:59,067 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:13:59,067 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:13:59,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:13:59,073 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:13:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:13:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:13:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:13:59,219 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:13:59,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997191589] [2022-02-15 03:13:59,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [997191589] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:13:59,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:13:59,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:13:59,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692946744] [2022-02-15 03:13:59,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:13:59,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:13:59,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:13:59,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:13:59,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:13:59,222 INFO L87 Difference]: Start difference. First operand 221 states and 350 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:00,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:00,890 INFO L93 Difference]: Finished difference Result 429 states and 683 transitions. [2022-02-15 03:14:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:00,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 03:14:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:00,893 INFO L225 Difference]: With dead ends: 429 [2022-02-15 03:14:00,893 INFO L226 Difference]: Without dead ends: 234 [2022-02-15 03:14:00,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:00,895 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 18 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:00,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 557 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-02-15 03:14:00,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-02-15 03:14:00,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 221. [2022-02-15 03:14:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.5972222222222223) internal successors, (345), 216 states have internal predecessors, (345), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 349 transitions. [2022-02-15 03:14:00,920 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 349 transitions. Word has length 66 [2022-02-15 03:14:00,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:00,921 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 349 transitions. [2022-02-15 03:14:00,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 349 transitions. [2022-02-15 03:14:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 03:14:00,922 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:00,922 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:00,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 03:14:00,923 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:00,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:00,923 INFO L85 PathProgramCache]: Analyzing trace with hash -70798234, now seen corresponding path program 1 times [2022-02-15 03:14:00,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:00,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723676399] [2022-02-15 03:14:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:00,943 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:00,944 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:00,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:00,949 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:01,092 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:01,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723676399] [2022-02-15 03:14:01,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1723676399] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:01,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:01,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:01,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670495817] [2022-02-15 03:14:01,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:01,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:01,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:01,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:01,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:01,094 INFO L87 Difference]: Start difference. First operand 221 states and 349 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:04,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:04,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:04,860 INFO L93 Difference]: Finished difference Result 526 states and 838 transitions. [2022-02-15 03:14:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:04,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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 67 [2022-02-15 03:14:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:04,863 INFO L225 Difference]: With dead ends: 526 [2022-02-15 03:14:04,863 INFO L226 Difference]: Without dead ends: 331 [2022-02-15 03:14:04,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:04,864 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 164 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:04,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 410 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 499 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 03:14:04,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-02-15 03:14:04,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 221. [2022-02-15 03:14:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.5833333333333333) internal successors, (342), 216 states have internal predecessors, (342), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 346 transitions. [2022-02-15 03:14:04,877 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 346 transitions. Word has length 67 [2022-02-15 03:14:04,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:04,878 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 346 transitions. [2022-02-15 03:14:04,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 346 transitions. [2022-02-15 03:14:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-15 03:14:04,879 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:04,879 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 03:14:04,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 03:14:04,879 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:04,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:04,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1210147738, now seen corresponding path program 1 times [2022-02-15 03:14:04,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:04,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073940559] [2022-02-15 03:14:04,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:04,888 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:04,888 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:04,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:04,892 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:05,009 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:05,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073940559] [2022-02-15 03:14:05,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1073940559] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:05,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:05,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:05,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686265352] [2022-02-15 03:14:05,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:05,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:05,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:05,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:05,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:05,011 INFO L87 Difference]: Start difference. First operand 221 states and 346 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:07,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:07,974 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2022-02-15 03:14:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:07,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 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 68 [2022-02-15 03:14:07,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:07,976 INFO L225 Difference]: With dead ends: 429 [2022-02-15 03:14:07,976 INFO L226 Difference]: Without dead ends: 234 [2022-02-15 03:14:07,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:07,977 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 20 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:07,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 557 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:14:07,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-02-15 03:14:07,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 221. [2022-02-15 03:14:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 216 states have internal predecessors, (341), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 345 transitions. [2022-02-15 03:14:07,990 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 345 transitions. Word has length 68 [2022-02-15 03:14:07,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:07,992 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 345 transitions. [2022-02-15 03:14:07,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 345 transitions. [2022-02-15 03:14:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-15 03:14:07,994 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:07,995 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 03:14:07,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 03:14:07,995 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:07,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:07,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2085926507, now seen corresponding path program 1 times [2022-02-15 03:14:07,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:07,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362695770] [2022-02-15 03:14:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:08,004 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:08,004 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:08,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:08,011 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:08,125 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:08,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362695770] [2022-02-15 03:14:08,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [362695770] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:08,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:08,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:08,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875882770] [2022-02-15 03:14:08,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:08,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:08,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:08,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:08,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:08,129 INFO L87 Difference]: Start difference. First operand 221 states and 345 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:12,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:12,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:12,446 INFO L93 Difference]: Finished difference Result 419 states and 663 transitions. [2022-02-15 03:14:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:12,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 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 69 [2022-02-15 03:14:12,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:12,448 INFO L225 Difference]: With dead ends: 419 [2022-02-15 03:14:12,448 INFO L226 Difference]: Without dead ends: 224 [2022-02-15 03:14:12,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:12,449 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 11 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:12,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 571 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 363 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 03:14:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-02-15 03:14:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2022-02-15 03:14:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.5740740740740742) internal successors, (340), 216 states have internal predecessors, (340), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 344 transitions. [2022-02-15 03:14:12,460 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 344 transitions. Word has length 69 [2022-02-15 03:14:12,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:12,460 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 344 transitions. [2022-02-15 03:14:12,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 344 transitions. [2022-02-15 03:14:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-15 03:14:12,461 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:12,461 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:12,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 03:14:12,462 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:12,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:12,462 INFO L85 PathProgramCache]: Analyzing trace with hash 785337428, now seen corresponding path program 1 times [2022-02-15 03:14:12,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:12,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934119701] [2022-02-15 03:14:12,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:12,467 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:12,468 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:12,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:12,473 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:12,607 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:12,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934119701] [2022-02-15 03:14:12,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1934119701] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:12,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:12,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:12,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965037830] [2022-02-15 03:14:12,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:12,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:12,608 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:12,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:12,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:12,609 INFO L87 Difference]: Start difference. First operand 221 states and 344 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:14,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:16,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:17,705 INFO L93 Difference]: Finished difference Result 459 states and 721 transitions. [2022-02-15 03:14:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 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 69 [2022-02-15 03:14:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:17,707 INFO L225 Difference]: With dead ends: 459 [2022-02-15 03:14:17,707 INFO L226 Difference]: Without dead ends: 264 [2022-02-15 03:14:17,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:17,709 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 31 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:17,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 569 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 419 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-02-15 03:14:17,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-02-15 03:14:17,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 243. [2022-02-15 03:14:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 238 states have (on average 1.5756302521008403) internal successors, (375), 238 states have internal predecessors, (375), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 379 transitions. [2022-02-15 03:14:17,721 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 379 transitions. Word has length 69 [2022-02-15 03:14:17,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:17,721 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 379 transitions. [2022-02-15 03:14:17,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 379 transitions. [2022-02-15 03:14:17,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-02-15 03:14:17,722 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:17,722 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:17,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 03:14:17,723 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:17,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:17,723 INFO L85 PathProgramCache]: Analyzing trace with hash 462749759, now seen corresponding path program 1 times [2022-02-15 03:14:17,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:17,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247528133] [2022-02-15 03:14:17,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:17,736 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:17,737 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:17,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:17,743 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:17,886 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:17,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247528133] [2022-02-15 03:14:17,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [247528133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:17,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:17,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:17,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982714147] [2022-02-15 03:14:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:17,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:17,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:17,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:17,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:17,888 INFO L87 Difference]: Start difference. First operand 243 states and 379 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 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) [2022-02-15 03:14:20,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:20,289 INFO L93 Difference]: Finished difference Result 479 states and 753 transitions. [2022-02-15 03:14:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:20,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 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 82 [2022-02-15 03:14:20,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:20,291 INFO L225 Difference]: With dead ends: 479 [2022-02-15 03:14:20,291 INFO L226 Difference]: Without dead ends: 262 [2022-02-15 03:14:20,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:20,292 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 36 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:20,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 573 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:14:20,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-02-15 03:14:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 243. [2022-02-15 03:14:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 238 states have (on average 1.5714285714285714) internal successors, (374), 238 states have internal predecessors, (374), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 378 transitions. [2022-02-15 03:14:20,302 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 378 transitions. Word has length 82 [2022-02-15 03:14:20,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:20,302 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 378 transitions. [2022-02-15 03:14:20,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 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) [2022-02-15 03:14:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 378 transitions. [2022-02-15 03:14:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-02-15 03:14:20,304 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:20,304 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:20,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 03:14:20,305 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash 2036214315, now seen corresponding path program 1 times [2022-02-15 03:14:20,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:20,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539275420] [2022-02-15 03:14:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:20,326 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:20,326 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:20,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:20,332 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:20,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:20,483 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:20,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539275420] [2022-02-15 03:14:20,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1539275420] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:20,483 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:20,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:20,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243800307] [2022-02-15 03:14:20,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:20,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:20,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:20,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:20,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:20,485 INFO L87 Difference]: Start difference. First operand 243 states and 378 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:22,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:22,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:22,992 INFO L93 Difference]: Finished difference Result 489 states and 767 transitions. [2022-02-15 03:14:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:22,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 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 83 [2022-02-15 03:14:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:22,994 INFO L225 Difference]: With dead ends: 489 [2022-02-15 03:14:22,994 INFO L226 Difference]: Without dead ends: 272 [2022-02-15 03:14:22,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:22,996 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 20 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:22,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 636 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:14:22,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-02-15 03:14:23,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 259. [2022-02-15 03:14:23,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 254 states have (on average 1.5669291338582678) internal successors, (398), 254 states have internal predecessors, (398), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 402 transitions. [2022-02-15 03:14:23,008 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 402 transitions. Word has length 83 [2022-02-15 03:14:23,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:23,008 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 402 transitions. [2022-02-15 03:14:23,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:23,009 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 402 transitions. [2022-02-15 03:14:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-02-15 03:14:23,009 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:23,010 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:23,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 03:14:23,010 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:23,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:23,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1154624887, now seen corresponding path program 1 times [2022-02-15 03:14:23,010 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:23,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264386000] [2022-02-15 03:14:23,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:23,024 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:23,025 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:23,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:23,033 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:23,151 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:23,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264386000] [2022-02-15 03:14:23,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [264386000] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:23,151 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:23,151 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:23,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908258213] [2022-02-15 03:14:23,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:23,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:23,152 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:23,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:23,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:23,153 INFO L87 Difference]: Start difference. First operand 259 states and 402 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:25,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:27,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:27,203 INFO L93 Difference]: Finished difference Result 601 states and 946 transitions. [2022-02-15 03:14:27,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:27,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-02-15 03:14:27,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:27,206 INFO L225 Difference]: With dead ends: 601 [2022-02-15 03:14:27,206 INFO L226 Difference]: Without dead ends: 368 [2022-02-15 03:14:27,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:27,207 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 159 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:27,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 412 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 497 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-02-15 03:14:27,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-02-15 03:14:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 260. [2022-02-15 03:14:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 255 states have (on average 1.5568627450980392) internal successors, (397), 255 states have internal predecessors, (397), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 401 transitions. [2022-02-15 03:14:27,241 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 401 transitions. Word has length 83 [2022-02-15 03:14:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:27,242 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 401 transitions. [2022-02-15 03:14:27,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 401 transitions. [2022-02-15 03:14:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-15 03:14:27,245 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:27,245 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:27,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 03:14:27,245 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:27,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1777171600, now seen corresponding path program 1 times [2022-02-15 03:14:27,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:27,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32387802] [2022-02-15 03:14:27,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:27,262 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:27,262 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:27,269 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:27,437 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:27,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32387802] [2022-02-15 03:14:27,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [32387802] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:27,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:27,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:14:27,438 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663629755] [2022-02-15 03:14:27,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:27,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:14:27,438 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:27,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:14:27,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:27,439 INFO L87 Difference]: Start difference. First operand 260 states and 401 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:30,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:30,392 INFO L93 Difference]: Finished difference Result 503 states and 784 transitions. [2022-02-15 03:14:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 03:14:30,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-02-15 03:14:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:30,396 INFO L225 Difference]: With dead ends: 503 [2022-02-15 03:14:30,396 INFO L226 Difference]: Without dead ends: 269 [2022-02-15 03:14:30,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-15 03:14:30,399 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 3 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:30,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 721 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:14:30,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-02-15 03:14:30,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2022-02-15 03:14:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.5454545454545454) internal successors, (408), 264 states have internal predecessors, (408), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 412 transitions. [2022-02-15 03:14:30,413 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 412 transitions. Word has length 84 [2022-02-15 03:14:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:30,414 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 412 transitions. [2022-02-15 03:14:30,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 412 transitions. [2022-02-15 03:14:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-02-15 03:14:30,415 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:30,415 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:30,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 03:14:30,416 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash 747797751, now seen corresponding path program 1 times [2022-02-15 03:14:30,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:30,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880037418] [2022-02-15 03:14:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:30,431 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:30,432 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:30,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:30,438 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:30,548 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:30,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880037418] [2022-02-15 03:14:30,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1880037418] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:30,548 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:30,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:30,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100904878] [2022-02-15 03:14:30,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:30,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:30,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:30,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:30,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:30,550 INFO L87 Difference]: Start difference. First operand 269 states and 412 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:32,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:32,665 INFO L93 Difference]: Finished difference Result 629 states and 975 transitions. [2022-02-15 03:14:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:32,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 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 86 [2022-02-15 03:14:32,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:32,667 INFO L225 Difference]: With dead ends: 629 [2022-02-15 03:14:32,667 INFO L226 Difference]: Without dead ends: 386 [2022-02-15 03:14:32,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:32,669 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 162 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:32,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 412 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-15 03:14:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-02-15 03:14:32,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 269. [2022-02-15 03:14:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.5303030303030303) internal successors, (404), 264 states have internal predecessors, (404), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 408 transitions. [2022-02-15 03:14:32,685 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 408 transitions. Word has length 86 [2022-02-15 03:14:32,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:32,685 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 408 transitions. [2022-02-15 03:14:32,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 408 transitions. [2022-02-15 03:14:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-15 03:14:32,687 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:32,687 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:32,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 03:14:32,687 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:32,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:32,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1214859954, now seen corresponding path program 1 times [2022-02-15 03:14:32,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:32,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188016547] [2022-02-15 03:14:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:32,701 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:32,702 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:32,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:32,708 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:32,826 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:32,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188016547] [2022-02-15 03:14:32,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [188016547] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:32,826 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:32,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:32,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369676229] [2022-02-15 03:14:32,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:32,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:32,827 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:32,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:32,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:32,827 INFO L87 Difference]: Start difference. First operand 269 states and 408 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:36,010 INFO L93 Difference]: Finished difference Result 529 states and 808 transitions. [2022-02-15 03:14:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:36,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 87 [2022-02-15 03:14:36,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:36,012 INFO L225 Difference]: With dead ends: 529 [2022-02-15 03:14:36,012 INFO L226 Difference]: Without dead ends: 286 [2022-02-15 03:14:36,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:36,014 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 33 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:36,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 577 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 03:14:36,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-15 03:14:36,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 269. [2022-02-15 03:14:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.5265151515151516) internal successors, (403), 264 states have internal predecessors, (403), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 407 transitions. [2022-02-15 03:14:36,029 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 407 transitions. Word has length 87 [2022-02-15 03:14:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:36,029 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 407 transitions. [2022-02-15 03:14:36,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 407 transitions. [2022-02-15 03:14:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-15 03:14:36,030 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:36,031 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:36,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 03:14:36,031 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:36,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash -2140979674, now seen corresponding path program 1 times [2022-02-15 03:14:36,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:36,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738621735] [2022-02-15 03:14:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:36,068 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:36,069 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:36,074 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:36,189 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:36,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738621735] [2022-02-15 03:14:36,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1738621735] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:36,189 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:36,189 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:36,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602175271] [2022-02-15 03:14:36,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:36,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:36,190 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:36,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:36,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:36,191 INFO L87 Difference]: Start difference. First operand 269 states and 407 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:38,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:39,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:39,703 INFO L93 Difference]: Finished difference Result 626 states and 956 transitions. [2022-02-15 03:14:39,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:39,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 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 91 [2022-02-15 03:14:39,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:39,709 INFO L225 Difference]: With dead ends: 626 [2022-02-15 03:14:39,709 INFO L226 Difference]: Without dead ends: 383 [2022-02-15 03:14:39,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:39,711 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 93 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:39,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 567 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-02-15 03:14:39,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-02-15 03:14:39,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 311. [2022-02-15 03:14:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.5457516339869282) internal successors, (473), 306 states have internal predecessors, (473), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 477 transitions. [2022-02-15 03:14:39,728 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 477 transitions. Word has length 91 [2022-02-15 03:14:39,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:39,728 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 477 transitions. [2022-02-15 03:14:39,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 477 transitions. [2022-02-15 03:14:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-15 03:14:39,730 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:39,730 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:39,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 03:14:39,730 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:39,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:39,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1256594344, now seen corresponding path program 1 times [2022-02-15 03:14:39,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:39,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674909966] [2022-02-15 03:14:39,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:39,746 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:39,746 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:39,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:39,752 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:39,935 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:39,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674909966] [2022-02-15 03:14:39,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1674909966] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:39,935 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:39,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:39,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753506198] [2022-02-15 03:14:39,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:39,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:39,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:39,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:39,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:39,937 INFO L87 Difference]: Start difference. First operand 311 states and 477 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:42,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:42,880 INFO L93 Difference]: Finished difference Result 654 states and 1006 transitions. [2022-02-15 03:14:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:42,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 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 91 [2022-02-15 03:14:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:42,883 INFO L225 Difference]: With dead ends: 654 [2022-02-15 03:14:42,883 INFO L226 Difference]: Without dead ends: 369 [2022-02-15 03:14:42,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:42,884 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 37 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:42,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 671 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:14:42,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-02-15 03:14:42,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 335. [2022-02-15 03:14:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 330 states have (on average 1.5454545454545454) internal successors, (510), 330 states have internal predecessors, (510), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 514 transitions. [2022-02-15 03:14:42,906 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 514 transitions. Word has length 91 [2022-02-15 03:14:42,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:42,906 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 514 transitions. [2022-02-15 03:14:42,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:42,907 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 514 transitions. [2022-02-15 03:14:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-02-15 03:14:42,908 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:42,908 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:42,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 03:14:42,908 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:42,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:42,909 INFO L85 PathProgramCache]: Analyzing trace with hash 270112712, now seen corresponding path program 1 times [2022-02-15 03:14:42,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:42,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845409606] [2022-02-15 03:14:42,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:42,929 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:42,930 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:42,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:42,937 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:43,060 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:43,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845409606] [2022-02-15 03:14:43,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1845409606] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:43,060 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:43,060 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:43,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090625916] [2022-02-15 03:14:43,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:43,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:43,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:43,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:43,062 INFO L87 Difference]: Start difference. First operand 335 states and 514 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:45,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:46,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:46,038 INFO L93 Difference]: Finished difference Result 751 states and 1167 transitions. [2022-02-15 03:14:46,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:46,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 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 96 [2022-02-15 03:14:46,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:46,040 INFO L225 Difference]: With dead ends: 751 [2022-02-15 03:14:46,040 INFO L226 Difference]: Without dead ends: 442 [2022-02-15 03:14:46,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:46,042 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 164 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:46,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 414 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:14:46,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-02-15 03:14:46,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 335. [2022-02-15 03:14:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 330 states have (on average 1.5272727272727273) internal successors, (504), 330 states have internal predecessors, (504), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 508 transitions. [2022-02-15 03:14:46,060 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 508 transitions. Word has length 96 [2022-02-15 03:14:46,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:46,060 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 508 transitions. [2022-02-15 03:14:46,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 508 transitions. [2022-02-15 03:14:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-02-15 03:14:46,061 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:46,062 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:46,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 03:14:46,062 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:46,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:46,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1134564269, now seen corresponding path program 1 times [2022-02-15 03:14:46,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:46,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735605990] [2022-02-15 03:14:46,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:46,085 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:46,086 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:46,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:46,092 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:46,212 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:46,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735605990] [2022-02-15 03:14:46,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [735605990] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:46,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:46,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:46,212 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537842697] [2022-02-15 03:14:46,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:46,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:46,213 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:46,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:46,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:46,214 INFO L87 Difference]: Start difference. First operand 335 states and 508 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:48,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:50,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:51,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:51,189 INFO L93 Difference]: Finished difference Result 749 states and 1153 transitions. [2022-02-15 03:14:51,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:51,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2022-02-15 03:14:51,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:51,191 INFO L225 Difference]: With dead ends: 749 [2022-02-15 03:14:51,191 INFO L226 Difference]: Without dead ends: 440 [2022-02-15 03:14:51,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:51,193 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 158 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:51,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 418 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-02-15 03:14:51,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-02-15 03:14:51,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 335. [2022-02-15 03:14:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 330 states have (on average 1.5151515151515151) internal successors, (500), 330 states have internal predecessors, (500), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 504 transitions. [2022-02-15 03:14:51,242 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 504 transitions. Word has length 104 [2022-02-15 03:14:51,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:51,242 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 504 transitions. [2022-02-15 03:14:51,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 504 transitions. [2022-02-15 03:14:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-15 03:14:51,244 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:51,244 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:51,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 03:14:51,244 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:51,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:51,245 INFO L85 PathProgramCache]: Analyzing trace with hash 104109728, now seen corresponding path program 1 times [2022-02-15 03:14:51,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:51,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714992432] [2022-02-15 03:14:51,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:51,273 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:51,273 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:51,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:51,281 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:51,426 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:51,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714992432] [2022-02-15 03:14:51,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [714992432] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:51,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:51,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:51,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950369622] [2022-02-15 03:14:51,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:51,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:51,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:51,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:51,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:51,430 INFO L87 Difference]: Start difference. First operand 335 states and 504 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:53,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:55,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:56,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:56,327 INFO L93 Difference]: Finished difference Result 741 states and 1134 transitions. [2022-02-15 03:14:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:56,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 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 109 [2022-02-15 03:14:56,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:56,333 INFO L225 Difference]: With dead ends: 741 [2022-02-15 03:14:56,333 INFO L226 Difference]: Without dead ends: 432 [2022-02-15 03:14:56,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:14:56,335 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 152 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:56,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 434 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-02-15 03:14:56,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-02-15 03:14:56,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 335. [2022-02-15 03:14:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 330 states have (on average 1.5) internal successors, (495), 330 states have internal predecessors, (495), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:56,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 499 transitions. [2022-02-15 03:14:56,356 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 499 transitions. Word has length 109 [2022-02-15 03:14:56,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:56,356 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 499 transitions. [2022-02-15 03:14:56,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 499 transitions. [2022-02-15 03:14:56,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-15 03:14:56,358 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:56,358 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:56,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 03:14:56,358 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:56,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:56,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1054620614, now seen corresponding path program 1 times [2022-02-15 03:14:56,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:56,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715730804] [2022-02-15 03:14:56,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:56,382 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:56,382 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:56,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:56,390 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:14:56,581 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:56,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715730804] [2022-02-15 03:14:56,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [715730804] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:56,582 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:56,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:56,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622668186] [2022-02-15 03:14:56,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:56,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:56,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:56,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:56,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:56,584 INFO L87 Difference]: Start difference. First operand 335 states and 499 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:59,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:00,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:00,398 INFO L93 Difference]: Finished difference Result 741 states and 1124 transitions. [2022-02-15 03:15:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:00,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 113 [2022-02-15 03:15:00,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:00,401 INFO L225 Difference]: With dead ends: 741 [2022-02-15 03:15:00,401 INFO L226 Difference]: Without dead ends: 432 [2022-02-15 03:15:00,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:00,402 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 142 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:00,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 448 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-02-15 03:15:00,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-02-15 03:15:00,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 341. [2022-02-15 03:15:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 336 states have (on average 1.5) internal successors, (504), 336 states have internal predecessors, (504), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 508 transitions. [2022-02-15 03:15:00,425 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 508 transitions. Word has length 113 [2022-02-15 03:15:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:00,425 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 508 transitions. [2022-02-15 03:15:00,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 508 transitions. [2022-02-15 03:15:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-15 03:15:00,427 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:00,427 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:00,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 03:15:00,427 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:00,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash -631559224, now seen corresponding path program 1 times [2022-02-15 03:15:00,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:00,428 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936932200] [2022-02-15 03:15:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:00,451 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:00,451 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:00,458 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:00,629 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:00,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936932200] [2022-02-15 03:15:00,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [936932200] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:00,629 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:00,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:00,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485002666] [2022-02-15 03:15:00,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:00,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:00,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:00,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:00,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:00,631 INFO L87 Difference]: Start difference. First operand 341 states and 508 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:02,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:03,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:03,778 INFO L93 Difference]: Finished difference Result 747 states and 1130 transitions. [2022-02-15 03:15:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 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 113 [2022-02-15 03:15:03,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:03,780 INFO L225 Difference]: With dead ends: 747 [2022-02-15 03:15:03,780 INFO L226 Difference]: Without dead ends: 432 [2022-02-15 03:15:03,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:03,782 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 126 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:03,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 460 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 03:15:03,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-02-15 03:15:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 316. [2022-02-15 03:15:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.5112540192926045) internal successors, (470), 311 states have internal predecessors, (470), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 474 transitions. [2022-02-15 03:15:03,804 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 474 transitions. Word has length 113 [2022-02-15 03:15:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:03,805 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 474 transitions. [2022-02-15 03:15:03,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 474 transitions. [2022-02-15 03:15:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-02-15 03:15:03,806 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:03,806 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:03,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 03:15:03,807 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:03,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:03,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1426006460, now seen corresponding path program 1 times [2022-02-15 03:15:03,807 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:03,807 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330027470] [2022-02-15 03:15:03,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:03,829 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:03,829 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:03,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:03,837 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:04,003 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:04,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330027470] [2022-02-15 03:15:04,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1330027470] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:04,004 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:04,004 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:04,004 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389000501] [2022-02-15 03:15:04,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:04,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:04,004 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:04,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:04,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:04,005 INFO L87 Difference]: Start difference. First operand 316 states and 474 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:06,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:06,939 INFO L93 Difference]: Finished difference Result 694 states and 1053 transitions. [2022-02-15 03:15:06,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:06,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 119 [2022-02-15 03:15:06,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:06,941 INFO L225 Difference]: With dead ends: 694 [2022-02-15 03:15:06,941 INFO L226 Difference]: Without dead ends: 404 [2022-02-15 03:15:06,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:06,943 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 88 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:06,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 569 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:15:06,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-02-15 03:15:06,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 349. [2022-02-15 03:15:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 344 states have (on average 1.5116279069767442) internal successors, (520), 344 states have internal predecessors, (520), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 524 transitions. [2022-02-15 03:15:06,978 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 524 transitions. Word has length 119 [2022-02-15 03:15:06,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:06,978 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 524 transitions. [2022-02-15 03:15:06,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 524 transitions. [2022-02-15 03:15:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-02-15 03:15:06,981 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:06,981 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:06,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 03:15:06,981 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:06,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1226484090, now seen corresponding path program 1 times [2022-02-15 03:15:06,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:06,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355660424] [2022-02-15 03:15:06,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:07,010 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:07,011 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:07,020 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:07,154 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:07,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355660424] [2022-02-15 03:15:07,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1355660424] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:07,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:07,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:07,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818879545] [2022-02-15 03:15:07,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:07,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:07,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:07,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:07,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:07,157 INFO L87 Difference]: Start difference. First operand 349 states and 524 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:09,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:09,610 INFO L93 Difference]: Finished difference Result 727 states and 1102 transitions. [2022-02-15 03:15:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:09,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 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 125 [2022-02-15 03:15:09,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:09,612 INFO L225 Difference]: With dead ends: 727 [2022-02-15 03:15:09,612 INFO L226 Difference]: Without dead ends: 404 [2022-02-15 03:15:09,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:09,613 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 82 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:09,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 569 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:15:09,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-02-15 03:15:09,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 354. [2022-02-15 03:15:09,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 349 states have (on average 1.515759312320917) internal successors, (529), 349 states have internal predecessors, (529), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 533 transitions. [2022-02-15 03:15:09,638 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 533 transitions. Word has length 125 [2022-02-15 03:15:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:09,638 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 533 transitions. [2022-02-15 03:15:09,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 533 transitions. [2022-02-15 03:15:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-02-15 03:15:09,639 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:09,640 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:09,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 03:15:09,640 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:09,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:09,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1120216922, now seen corresponding path program 1 times [2022-02-15 03:15:09,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:09,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913259325] [2022-02-15 03:15:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:09,664 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:09,664 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:09,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:09,672 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:09,789 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:09,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913259325] [2022-02-15 03:15:09,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1913259325] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:09,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:09,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:09,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521833877] [2022-02-15 03:15:09,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:09,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:09,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:09,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:09,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:09,793 INFO L87 Difference]: Start difference. First operand 354 states and 533 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:12,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:12,718 INFO L93 Difference]: Finished difference Result 729 states and 1106 transitions. [2022-02-15 03:15:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:12,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 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 126 [2022-02-15 03:15:12,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:12,720 INFO L225 Difference]: With dead ends: 729 [2022-02-15 03:15:12,720 INFO L226 Difference]: Without dead ends: 401 [2022-02-15 03:15:12,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:12,721 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 77 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:12,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 571 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:15:12,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-02-15 03:15:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 355. [2022-02-15 03:15:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 350 states have (on average 1.5142857142857142) internal successors, (530), 350 states have internal predecessors, (530), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 534 transitions. [2022-02-15 03:15:12,744 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 534 transitions. Word has length 126 [2022-02-15 03:15:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:12,744 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 534 transitions. [2022-02-15 03:15:12,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 534 transitions. [2022-02-15 03:15:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-02-15 03:15:12,746 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:12,746 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:12,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 03:15:12,746 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:12,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1651767948, now seen corresponding path program 1 times [2022-02-15 03:15:12,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:12,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301285904] [2022-02-15 03:15:12,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:12,780 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:12,780 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:12,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:12,787 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:12,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:12,904 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:12,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301285904] [2022-02-15 03:15:12,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [301285904] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:12,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:12,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:12,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060937406] [2022-02-15 03:15:12,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:12,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:12,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:12,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:12,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:12,906 INFO L87 Difference]: Start difference. First operand 355 states and 534 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:15,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:16,644 INFO L93 Difference]: Finished difference Result 721 states and 1091 transitions. [2022-02-15 03:15:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:16,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-02-15 03:15:16,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:16,646 INFO L225 Difference]: With dead ends: 721 [2022-02-15 03:15:16,646 INFO L226 Difference]: Without dead ends: 392 [2022-02-15 03:15:16,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:16,647 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 59 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:16,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 577 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 03:15:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2022-02-15 03:15:16,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 358. [2022-02-15 03:15:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 353 states have (on average 1.5099150141643058) internal successors, (533), 353 states have internal predecessors, (533), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 537 transitions. [2022-02-15 03:15:16,671 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 537 transitions. Word has length 133 [2022-02-15 03:15:16,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:16,672 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 537 transitions. [2022-02-15 03:15:16,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 537 transitions. [2022-02-15 03:15:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-02-15 03:15:16,674 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:16,674 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-02-15 03:15:16,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 03:15:16,674 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:16,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:16,675 INFO L85 PathProgramCache]: Analyzing trace with hash 395437286, now seen corresponding path program 1 times [2022-02-15 03:15:16,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:16,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879809532] [2022-02-15 03:15:16,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:16,703 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:16,703 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:16,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:16,710 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:16,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:16,828 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:16,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879809532] [2022-02-15 03:15:16,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [879809532] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:16,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:16,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:16,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087875863] [2022-02-15 03:15:16,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:16,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:16,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:16,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:16,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:16,829 INFO L87 Difference]: Start difference. First operand 358 states and 537 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:19,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:20,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:20,197 INFO L93 Difference]: Finished difference Result 730 states and 1102 transitions. [2022-02-15 03:15:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 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 141 [2022-02-15 03:15:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:20,200 INFO L225 Difference]: With dead ends: 730 [2022-02-15 03:15:20,200 INFO L226 Difference]: Without dead ends: 398 [2022-02-15 03:15:20,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:20,202 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 29 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:20,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 655 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-02-15 03:15:20,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-02-15 03:15:20,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 384. [2022-02-15 03:15:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.5039577836411608) internal successors, (570), 379 states have internal predecessors, (570), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 574 transitions. [2022-02-15 03:15:20,229 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 574 transitions. Word has length 141 [2022-02-15 03:15:20,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:20,229 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 574 transitions. [2022-02-15 03:15:20,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:20,229 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 574 transitions. [2022-02-15 03:15:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 03:15:20,230 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:20,231 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:20,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-15 03:15:20,231 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:20,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:20,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1480893144, now seen corresponding path program 1 times [2022-02-15 03:15:20,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:20,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324642205] [2022-02-15 03:15:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:20,265 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:20,265 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:20,275 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:20,396 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:20,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324642205] [2022-02-15 03:15:20,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [324642205] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:20,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:20,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:20,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779566319] [2022-02-15 03:15:20,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:20,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:20,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:20,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:20,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:20,398 INFO L87 Difference]: Start difference. First operand 384 states and 574 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:23,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:23,688 INFO L93 Difference]: Finished difference Result 776 states and 1167 transitions. [2022-02-15 03:15:23,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:23,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 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 144 [2022-02-15 03:15:23,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:23,690 INFO L225 Difference]: With dead ends: 776 [2022-02-15 03:15:23,690 INFO L226 Difference]: Without dead ends: 418 [2022-02-15 03:15:23,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:23,692 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 71 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:23,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 579 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-02-15 03:15:23,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-02-15 03:15:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 384. [2022-02-15 03:15:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.5013192612137203) internal successors, (569), 379 states have internal predecessors, (569), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 573 transitions. [2022-02-15 03:15:23,716 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 573 transitions. Word has length 144 [2022-02-15 03:15:23,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:23,718 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 573 transitions. [2022-02-15 03:15:23,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:23,719 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 573 transitions. [2022-02-15 03:15:23,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-15 03:15:23,720 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:23,720 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:23,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 03:15:23,720 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:23,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:23,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1342562173, now seen corresponding path program 1 times [2022-02-15 03:15:23,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:23,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863118537] [2022-02-15 03:15:23,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:23,750 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:23,751 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:23,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:23,760 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:23,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:23,880 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:23,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863118537] [2022-02-15 03:15:23,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [863118537] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:23,880 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:23,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:23,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314271497] [2022-02-15 03:15:23,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:23,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:23,880 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:23,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:23,881 INFO L87 Difference]: Start difference. First operand 384 states and 573 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:27,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:28,258 INFO L93 Difference]: Finished difference Result 817 states and 1228 transitions. [2022-02-15 03:15:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:28,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2022-02-15 03:15:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:28,261 INFO L225 Difference]: With dead ends: 817 [2022-02-15 03:15:28,261 INFO L226 Difference]: Without dead ends: 459 [2022-02-15 03:15:28,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:28,262 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 136 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:28,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 460 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 03:15:28,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-02-15 03:15:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 384. [2022-02-15 03:15:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.4934036939313984) internal successors, (566), 379 states have internal predecessors, (566), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 570 transitions. [2022-02-15 03:15:28,287 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 570 transitions. Word has length 145 [2022-02-15 03:15:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:28,287 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 570 transitions. [2022-02-15 03:15:28,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 570 transitions. [2022-02-15 03:15:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 03:15:28,288 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:28,288 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:28,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 03:15:28,288 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:28,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:28,289 INFO L85 PathProgramCache]: Analyzing trace with hash -256190392, now seen corresponding path program 1 times [2022-02-15 03:15:28,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:28,289 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151508062] [2022-02-15 03:15:28,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:28,318 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:28,318 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:28,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:28,328 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:28,439 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:28,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151508062] [2022-02-15 03:15:28,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [151508062] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:28,439 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:28,440 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:28,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459641474] [2022-02-15 03:15:28,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:28,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:28,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:28,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:28,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:28,441 INFO L87 Difference]: Start difference. First operand 384 states and 570 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:29,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:32,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:32,490 INFO L93 Difference]: Finished difference Result 768 states and 1146 transitions. [2022-02-15 03:15:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:32,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 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 146 [2022-02-15 03:15:32,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:32,492 INFO L225 Difference]: With dead ends: 768 [2022-02-15 03:15:32,492 INFO L226 Difference]: Without dead ends: 410 [2022-02-15 03:15:32,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:32,496 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 58 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:32,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 597 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-02-15 03:15:32,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-02-15 03:15:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 384. [2022-02-15 03:15:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.4907651715039578) internal successors, (565), 379 states have internal predecessors, (565), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 569 transitions. [2022-02-15 03:15:32,526 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 569 transitions. Word has length 146 [2022-02-15 03:15:32,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:32,527 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 569 transitions. [2022-02-15 03:15:32,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 569 transitions. [2022-02-15 03:15:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 03:15:32,529 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:32,529 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:32,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 03:15:32,530 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:32,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:32,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1392983107, now seen corresponding path program 1 times [2022-02-15 03:15:32,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:32,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391936683] [2022-02-15 03:15:32,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:32,567 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:32,567 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:32,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:32,577 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:32,689 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:32,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391936683] [2022-02-15 03:15:32,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [391936683] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:32,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:32,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:32,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734764323] [2022-02-15 03:15:32,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:32,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:32,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:32,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:32,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:32,691 INFO L87 Difference]: Start difference. First operand 384 states and 569 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:34,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:35,837 INFO L93 Difference]: Finished difference Result 817 states and 1220 transitions. [2022-02-15 03:15:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:35,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 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 147 [2022-02-15 03:15:35,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:35,839 INFO L225 Difference]: With dead ends: 817 [2022-02-15 03:15:35,839 INFO L226 Difference]: Without dead ends: 459 [2022-02-15 03:15:35,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:35,841 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 133 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:35,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 460 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 03:15:35,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-02-15 03:15:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 384. [2022-02-15 03:15:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.482849604221636) internal successors, (562), 379 states have internal predecessors, (562), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 566 transitions. [2022-02-15 03:15:35,873 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 566 transitions. Word has length 147 [2022-02-15 03:15:35,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:35,874 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 566 transitions. [2022-02-15 03:15:35,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 566 transitions. [2022-02-15 03:15:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 03:15:35,875 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:35,875 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:35,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 03:15:35,876 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:35,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1670299449, now seen corresponding path program 1 times [2022-02-15 03:15:35,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:35,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388735388] [2022-02-15 03:15:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:35,912 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:35,912 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:35,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:35,921 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:36,042 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:36,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388735388] [2022-02-15 03:15:36,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1388735388] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:36,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:36,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:36,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102117619] [2022-02-15 03:15:36,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:36,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:36,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:36,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:36,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:36,044 INFO L87 Difference]: Start difference. First operand 384 states and 566 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:38,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:39,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:39,928 INFO L93 Difference]: Finished difference Result 817 states and 1214 transitions. [2022-02-15 03:15:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:39,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 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 147 [2022-02-15 03:15:39,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:39,930 INFO L225 Difference]: With dead ends: 817 [2022-02-15 03:15:39,930 INFO L226 Difference]: Without dead ends: 459 [2022-02-15 03:15:39,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:39,931 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 137 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:39,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 460 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-02-15 03:15:39,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-02-15 03:15:39,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 384. [2022-02-15 03:15:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.474934036939314) internal successors, (559), 379 states have internal predecessors, (559), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 563 transitions. [2022-02-15 03:15:39,960 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 563 transitions. Word has length 147 [2022-02-15 03:15:39,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:39,960 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 563 transitions. [2022-02-15 03:15:39,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 563 transitions. [2022-02-15 03:15:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-02-15 03:15:39,962 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:39,962 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:39,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 03:15:39,962 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:39,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:39,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1769750178, now seen corresponding path program 1 times [2022-02-15 03:15:39,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:39,963 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613330549] [2022-02-15 03:15:39,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:39,992 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:39,993 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:39,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:40,002 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:40,112 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:40,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613330549] [2022-02-15 03:15:40,112 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [613330549] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:40,112 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:40,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:40,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664635649] [2022-02-15 03:15:40,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:40,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:40,113 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:40,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:40,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:40,113 INFO L87 Difference]: Start difference. First operand 384 states and 563 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:41,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:43,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:43,947 INFO L93 Difference]: Finished difference Result 764 states and 1127 transitions. [2022-02-15 03:15:43,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:43,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 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 148 [2022-02-15 03:15:43,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:43,953 INFO L225 Difference]: With dead ends: 764 [2022-02-15 03:15:43,953 INFO L226 Difference]: Without dead ends: 406 [2022-02-15 03:15:43,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:43,955 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 56 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:43,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 605 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-02-15 03:15:43,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-02-15 03:15:43,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 384. [2022-02-15 03:15:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.4722955145118735) internal successors, (558), 379 states have internal predecessors, (558), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 562 transitions. [2022-02-15 03:15:43,984 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 562 transitions. Word has length 148 [2022-02-15 03:15:43,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:43,984 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 562 transitions. [2022-02-15 03:15:43,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 562 transitions. [2022-02-15 03:15:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-02-15 03:15:43,986 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:43,986 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:43,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 03:15:43,986 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:43,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:43,987 INFO L85 PathProgramCache]: Analyzing trace with hash 176775389, now seen corresponding path program 1 times [2022-02-15 03:15:43,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:43,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681557376] [2022-02-15 03:15:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:44,012 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:44,012 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:44,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:44,022 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:44,134 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:44,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681557376] [2022-02-15 03:15:44,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [681557376] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:44,134 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:44,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:44,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780582986] [2022-02-15 03:15:44,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:44,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:44,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:44,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:44,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:44,135 INFO L87 Difference]: Start difference. First operand 384 states and 562 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:45,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:45,460 INFO L93 Difference]: Finished difference Result 764 states and 1125 transitions. [2022-02-15 03:15:45,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:45,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 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 151 [2022-02-15 03:15:45,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:45,462 INFO L225 Difference]: With dead ends: 764 [2022-02-15 03:15:45,462 INFO L226 Difference]: Without dead ends: 406 [2022-02-15 03:15:45,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:45,464 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 49 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:45,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 605 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-15 03:15:45,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-02-15 03:15:45,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 384. [2022-02-15 03:15:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.4696569920844327) internal successors, (557), 379 states have internal predecessors, (557), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 561 transitions. [2022-02-15 03:15:45,492 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 561 transitions. Word has length 151 [2022-02-15 03:15:45,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:45,493 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 561 transitions. [2022-02-15 03:15:45,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 561 transitions. [2022-02-15 03:15:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 03:15:45,494 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:45,494 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:45,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 03:15:45,494 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:45,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:45,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1528637443, now seen corresponding path program 1 times [2022-02-15 03:15:45,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:45,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991502441] [2022-02-15 03:15:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:45,522 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:45,522 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:45,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:45,531 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:45,648 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:45,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991502441] [2022-02-15 03:15:45,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1991502441] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:45,649 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:45,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:45,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688787475] [2022-02-15 03:15:45,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:45,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:45,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:45,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:45,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:45,650 INFO L87 Difference]: Start difference. First operand 384 states and 561 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:48,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:48,917 INFO L93 Difference]: Finished difference Result 758 states and 1114 transitions. [2022-02-15 03:15:48,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:48,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 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 152 [2022-02-15 03:15:48,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:48,919 INFO L225 Difference]: With dead ends: 758 [2022-02-15 03:15:48,919 INFO L226 Difference]: Without dead ends: 400 [2022-02-15 03:15:48,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:48,920 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 40 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:48,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 609 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-02-15 03:15:48,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-02-15 03:15:48,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 384. [2022-02-15 03:15:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.4670184696569921) internal successors, (556), 379 states have internal predecessors, (556), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 560 transitions. [2022-02-15 03:15:48,951 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 560 transitions. Word has length 152 [2022-02-15 03:15:48,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:48,951 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 560 transitions. [2022-02-15 03:15:48,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 560 transitions. [2022-02-15 03:15:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-02-15 03:15:48,953 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:48,953 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:48,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 03:15:48,953 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:48,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1595849094, now seen corresponding path program 1 times [2022-02-15 03:15:48,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:48,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247193675] [2022-02-15 03:15:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:48,983 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:48,983 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:48,993 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:49,128 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:49,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247193675] [2022-02-15 03:15:49,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [247193675] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:49,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:49,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:49,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131888537] [2022-02-15 03:15:49,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:49,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:49,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:49,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:49,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:49,131 INFO L87 Difference]: Start difference. First operand 384 states and 560 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:52,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:52,626 INFO L93 Difference]: Finished difference Result 758 states and 1112 transitions. [2022-02-15 03:15:52,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:52,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 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 152 [2022-02-15 03:15:52,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:52,628 INFO L225 Difference]: With dead ends: 758 [2022-02-15 03:15:52,628 INFO L226 Difference]: Without dead ends: 400 [2022-02-15 03:15:52,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:52,629 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 38 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:52,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 609 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 03:15:52,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-02-15 03:15:52,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 384. [2022-02-15 03:15:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.4643799472295516) internal successors, (555), 379 states have internal predecessors, (555), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 559 transitions. [2022-02-15 03:15:52,657 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 559 transitions. Word has length 152 [2022-02-15 03:15:52,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:52,658 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 559 transitions. [2022-02-15 03:15:52,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 559 transitions. [2022-02-15 03:15:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-02-15 03:15:52,659 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:52,660 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:52,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 03:15:52,660 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:52,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:52,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1188621318, now seen corresponding path program 1 times [2022-02-15 03:15:52,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:52,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310548369] [2022-02-15 03:15:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:52,691 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:52,692 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:52,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:52,702 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:52,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:52,808 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:52,808 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310548369] [2022-02-15 03:15:52,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1310548369] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:52,808 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:52,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:52,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169114136] [2022-02-15 03:15:52,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:52,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:52,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:52,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:52,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:52,809 INFO L87 Difference]: Start difference. First operand 384 states and 559 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:53,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:55,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:56,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:56,041 INFO L93 Difference]: Finished difference Result 755 states and 1106 transitions. [2022-02-15 03:15:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:56,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-02-15 03:15:56,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:56,043 INFO L225 Difference]: With dead ends: 755 [2022-02-15 03:15:56,043 INFO L226 Difference]: Without dead ends: 397 [2022-02-15 03:15:56,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:56,045 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 33 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:56,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 611 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-02-15 03:15:56,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-02-15 03:15:56,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 384. [2022-02-15 03:15:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 379 states have (on average 1.4617414248021108) internal successors, (554), 379 states have internal predecessors, (554), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 558 transitions. [2022-02-15 03:15:56,072 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 558 transitions. Word has length 153 [2022-02-15 03:15:56,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:56,073 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 558 transitions. [2022-02-15 03:15:56,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 558 transitions. [2022-02-15 03:15:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-02-15 03:15:56,075 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:56,075 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:56,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-15 03:15:56,076 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:56,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:56,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1724198602, now seen corresponding path program 1 times [2022-02-15 03:15:56,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:56,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200978871] [2022-02-15 03:15:56,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:56,113 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:56,113 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:56,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:56,124 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:56,288 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:56,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200978871] [2022-02-15 03:15:56,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1200978871] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:56,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:56,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:15:56,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162799211] [2022-02-15 03:15:56,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:56,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:15:56,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:56,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:15:56,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:15:56,290 INFO L87 Difference]: Start difference. First operand 384 states and 558 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:58,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:59,268 INFO L93 Difference]: Finished difference Result 1095 states and 1608 transitions. [2022-02-15 03:15:59,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:15:59,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 160 [2022-02-15 03:15:59,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:59,271 INFO L225 Difference]: With dead ends: 1095 [2022-02-15 03:15:59,271 INFO L226 Difference]: Without dead ends: 737 [2022-02-15 03:15:59,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:15:59,272 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 150 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:59,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 538 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:15:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-02-15 03:15:59,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 735. [2022-02-15 03:15:59,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 730 states have (on average 1.4438356164383561) internal successors, (1054), 730 states have internal predecessors, (1054), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1058 transitions. [2022-02-15 03:15:59,323 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1058 transitions. Word has length 160 [2022-02-15 03:15:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:59,324 INFO L470 AbstractCegarLoop]: Abstraction has 735 states and 1058 transitions. [2022-02-15 03:15:59,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1058 transitions. [2022-02-15 03:15:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-02-15 03:15:59,326 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:59,326 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:59,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-15 03:15:59,326 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:59,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:59,326 INFO L85 PathProgramCache]: Analyzing trace with hash -568882424, now seen corresponding path program 1 times [2022-02-15 03:15:59,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:59,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233777627] [2022-02-15 03:15:59,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:59,376 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:59,376 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:59,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:59,387 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:15:59,473 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:59,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233777627] [2022-02-15 03:15:59,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1233777627] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:59,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:59,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:15:59,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625257992] [2022-02-15 03:15:59,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:59,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:15:59,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:15:59,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:15:59,475 INFO L87 Difference]: Start difference. First operand 735 states and 1058 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:01,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:01,298 INFO L93 Difference]: Finished difference Result 1471 states and 2123 transitions. [2022-02-15 03:16:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:16:01,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 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 160 [2022-02-15 03:16:01,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:01,302 INFO L225 Difference]: With dead ends: 1471 [2022-02-15 03:16:01,302 INFO L226 Difference]: Without dead ends: 762 [2022-02-15 03:16:01,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:16:01,304 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:01,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 439 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-02-15 03:16:01,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-02-15 03:16:01,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2022-02-15 03:16:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 757 states have (on average 1.4385733157199472) internal successors, (1089), 757 states have internal predecessors, (1089), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1093 transitions. [2022-02-15 03:16:01,369 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1093 transitions. Word has length 160 [2022-02-15 03:16:01,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:01,369 INFO L470 AbstractCegarLoop]: Abstraction has 762 states and 1093 transitions. [2022-02-15 03:16:01,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1093 transitions. [2022-02-15 03:16:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-02-15 03:16:01,371 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:01,371 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:01,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-15 03:16:01,371 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:01,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:01,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2108644422, now seen corresponding path program 1 times [2022-02-15 03:16:01,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:01,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454435900] [2022-02-15 03:16:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:01,412 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:01,413 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:01,423 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:01,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:01,512 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:01,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454435900] [2022-02-15 03:16:01,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [454435900] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:01,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:01,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:16:01,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690560074] [2022-02-15 03:16:01,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:01,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:16:01,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:01,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:16:01,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:16:01,513 INFO L87 Difference]: Start difference. First operand 762 states and 1093 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:03,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:03,112 INFO L93 Difference]: Finished difference Result 1500 states and 2159 transitions. [2022-02-15 03:16:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:16:03,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 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 160 [2022-02-15 03:16:03,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:03,115 INFO L225 Difference]: With dead ends: 1500 [2022-02-15 03:16:03,115 INFO L226 Difference]: Without dead ends: 764 [2022-02-15 03:16:03,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:16:03,117 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:03,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 418 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-02-15 03:16:03,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-02-15 03:16:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2022-02-15 03:16:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 759 states have (on average 1.4374176548089592) internal successors, (1091), 759 states have internal predecessors, (1091), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1095 transitions. [2022-02-15 03:16:03,170 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1095 transitions. Word has length 160 [2022-02-15 03:16:03,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:03,170 INFO L470 AbstractCegarLoop]: Abstraction has 764 states and 1095 transitions. [2022-02-15 03:16:03,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1095 transitions. [2022-02-15 03:16:03,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-02-15 03:16:03,173 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:03,173 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-15 03:16:03,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-15 03:16:03,173 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:03,174 INFO L85 PathProgramCache]: Analyzing trace with hash -221714821, now seen corresponding path program 1 times [2022-02-15 03:16:03,174 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:03,174 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929502546] [2022-02-15 03:16:03,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:03,217 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:03,217 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:03,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:03,233 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:03,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:03,359 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:03,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929502546] [2022-02-15 03:16:03,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1929502546] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:03,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:03,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:03,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248377661] [2022-02-15 03:16:03,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:03,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:03,361 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:03,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:03,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:03,362 INFO L87 Difference]: Start difference. First operand 764 states and 1095 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 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) [2022-02-15 03:16:04,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:07,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:07,548 INFO L93 Difference]: Finished difference Result 1798 states and 2597 transitions. [2022-02-15 03:16:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:07,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 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 163 [2022-02-15 03:16:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:07,552 INFO L225 Difference]: With dead ends: 1798 [2022-02-15 03:16:07,552 INFO L226 Difference]: Without dead ends: 1062 [2022-02-15 03:16:07,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:16:07,554 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 129 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:07,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 444 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 03:16:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-02-15 03:16:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 892. [2022-02-15 03:16:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 887 states have (on average 1.4374295377677564) internal successors, (1275), 887 states have internal predecessors, (1275), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1279 transitions. [2022-02-15 03:16:07,603 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1279 transitions. Word has length 163 [2022-02-15 03:16:07,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:07,603 INFO L470 AbstractCegarLoop]: Abstraction has 892 states and 1279 transitions. [2022-02-15 03:16:07,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 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) [2022-02-15 03:16:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1279 transitions. [2022-02-15 03:16:07,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-02-15 03:16:07,606 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:07,606 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:07,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-15 03:16:07,606 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:07,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:07,606 INFO L85 PathProgramCache]: Analyzing trace with hash 956159663, now seen corresponding path program 1 times [2022-02-15 03:16:07,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:07,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36550942] [2022-02-15 03:16:07,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:07,655 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:07,655 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:07,668 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:07,786 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:07,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36550942] [2022-02-15 03:16:07,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [36550942] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:07,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:07,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:07,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854986325] [2022-02-15 03:16:07,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:07,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:07,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:07,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:07,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:07,788 INFO L87 Difference]: Start difference. First operand 892 states and 1279 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:09,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:09,996 INFO L93 Difference]: Finished difference Result 1930 states and 2775 transitions. [2022-02-15 03:16:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:09,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 169 [2022-02-15 03:16:09,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:10,000 INFO L225 Difference]: With dead ends: 1930 [2022-02-15 03:16:10,000 INFO L226 Difference]: Without dead ends: 1066 [2022-02-15 03:16:10,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:16:10,004 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 79 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:10,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 636 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-15 03:16:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-02-15 03:16:10,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 966. [2022-02-15 03:16:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 961 states have (on average 1.441207075962539) internal successors, (1385), 961 states have internal predecessors, (1385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1389 transitions. [2022-02-15 03:16:10,061 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1389 transitions. Word has length 169 [2022-02-15 03:16:10,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:10,061 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1389 transitions. [2022-02-15 03:16:10,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1389 transitions. [2022-02-15 03:16:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-02-15 03:16:10,063 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:10,063 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:10,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-15 03:16:10,063 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:10,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:10,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1819333247, now seen corresponding path program 1 times [2022-02-15 03:16:10,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:10,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16047732] [2022-02-15 03:16:10,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:10,105 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:10,105 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:10,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:10,118 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:10,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:10,262 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:10,262 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16047732] [2022-02-15 03:16:10,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [16047732] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:10,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:10,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:10,262 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709629532] [2022-02-15 03:16:10,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:10,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:10,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:10,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:10,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:10,263 INFO L87 Difference]: Start difference. First operand 966 states and 1389 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:12,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:12,909 INFO L93 Difference]: Finished difference Result 1998 states and 2876 transitions. [2022-02-15 03:16:12,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:12,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 170 [2022-02-15 03:16:12,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:12,913 INFO L225 Difference]: With dead ends: 1998 [2022-02-15 03:16:12,913 INFO L226 Difference]: Without dead ends: 1060 [2022-02-15 03:16:12,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:16:12,916 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 74 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:12,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 636 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 03:16:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-02-15 03:16:12,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 968. [2022-02-15 03:16:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 963 states have (on average 1.4402907580477673) internal successors, (1387), 963 states have internal predecessors, (1387), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1391 transitions. [2022-02-15 03:16:12,991 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1391 transitions. Word has length 170 [2022-02-15 03:16:12,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:12,992 INFO L470 AbstractCegarLoop]: Abstraction has 968 states and 1391 transitions. [2022-02-15 03:16:12,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1391 transitions. [2022-02-15 03:16:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-02-15 03:16:12,994 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:12,994 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:12,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-15 03:16:12,995 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:12,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:12,995 INFO L85 PathProgramCache]: Analyzing trace with hash -119896305, now seen corresponding path program 1 times [2022-02-15 03:16:12,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:12,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787533163] [2022-02-15 03:16:12,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:13,038 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:13,038 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:13,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:13,051 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:13,213 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:13,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787533163] [2022-02-15 03:16:13,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1787533163] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:13,213 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:13,213 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:13,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477786947] [2022-02-15 03:16:13,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:13,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:13,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:13,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:13,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:13,214 INFO L87 Difference]: Start difference. First operand 968 states and 1391 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:15,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:15,519 INFO L93 Difference]: Finished difference Result 2134 states and 3073 transitions. [2022-02-15 03:16:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:15,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 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 175 [2022-02-15 03:16:15,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:15,523 INFO L225 Difference]: With dead ends: 2134 [2022-02-15 03:16:15,523 INFO L226 Difference]: Without dead ends: 1194 [2022-02-15 03:16:15,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:16:15,525 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 126 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:15,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 432 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 03:16:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-02-15 03:16:15,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1042. [2022-02-15 03:16:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 1037 states have (on average 1.441658630665381) internal successors, (1495), 1037 states have internal predecessors, (1495), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1499 transitions. [2022-02-15 03:16:15,609 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1499 transitions. Word has length 175 [2022-02-15 03:16:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:15,610 INFO L470 AbstractCegarLoop]: Abstraction has 1042 states and 1499 transitions. [2022-02-15 03:16:15,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1499 transitions. [2022-02-15 03:16:15,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-02-15 03:16:15,612 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:15,612 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-02-15 03:16:15,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-15 03:16:15,613 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:15,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:15,613 INFO L85 PathProgramCache]: Analyzing trace with hash -817329887, now seen corresponding path program 1 times [2022-02-15 03:16:15,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:15,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986013677] [2022-02-15 03:16:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:15,662 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:15,662 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:15,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:15,675 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:15,829 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:15,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986013677] [2022-02-15 03:16:15,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [986013677] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:15,829 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:15,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:15,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810665135] [2022-02-15 03:16:15,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:15,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:15,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:15,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:15,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:15,831 INFO L87 Difference]: Start difference. First operand 1042 states and 1499 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:19,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:19,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:19,627 INFO L93 Difference]: Finished difference Result 2156 states and 3111 transitions. [2022-02-15 03:16:19,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:19,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 176 [2022-02-15 03:16:19,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:19,631 INFO L225 Difference]: With dead ends: 2156 [2022-02-15 03:16:19,631 INFO L226 Difference]: Without dead ends: 1142 [2022-02-15 03:16:19,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:16:19,633 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 39 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:19,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 665 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 506 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 03:16:19,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-02-15 03:16:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1098. [2022-02-15 03:16:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1093 states have (on average 1.4409881061299177) internal successors, (1575), 1093 states have internal predecessors, (1575), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1579 transitions. [2022-02-15 03:16:19,730 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1579 transitions. Word has length 176 [2022-02-15 03:16:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:19,730 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 1579 transitions. [2022-02-15 03:16:19,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1579 transitions. [2022-02-15 03:16:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-02-15 03:16:19,732 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:19,732 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:19,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-15 03:16:19,733 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:19,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:19,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1749142275, now seen corresponding path program 1 times [2022-02-15 03:16:19,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:19,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874707840] [2022-02-15 03:16:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:19,788 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:19,788 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:19,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:19,800 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:20,179 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:20,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874707840] [2022-02-15 03:16:20,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [874707840] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:20,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:20,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 03:16:20,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979394125] [2022-02-15 03:16:20,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:20,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 03:16:20,180 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:20,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 03:16:20,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 03:16:20,180 INFO L87 Difference]: Start difference. First operand 1098 states and 1579 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:23,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:24,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:24,340 INFO L93 Difference]: Finished difference Result 2189 states and 3150 transitions. [2022-02-15 03:16:24,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 03:16:24,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 180 [2022-02-15 03:16:24,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:24,347 INFO L225 Difference]: With dead ends: 2189 [2022-02-15 03:16:24,347 INFO L226 Difference]: Without dead ends: 1098 [2022-02-15 03:16:24,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:16:24,350 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 7 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:24,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 952 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-02-15 03:16:24,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2022-02-15 03:16:24,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1098. [2022-02-15 03:16:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1093 states have (on average 1.4400731930466606) internal successors, (1574), 1093 states have internal predecessors, (1574), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1578 transitions. [2022-02-15 03:16:24,426 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1578 transitions. Word has length 180 [2022-02-15 03:16:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:24,427 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 1578 transitions. [2022-02-15 03:16:24,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1578 transitions. [2022-02-15 03:16:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-02-15 03:16:24,430 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:24,430 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:24,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-15 03:16:24,430 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:24,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:24,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1715171387, now seen corresponding path program 1 times [2022-02-15 03:16:24,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:24,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902830794] [2022-02-15 03:16:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:24,504 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:24,504 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:24,519 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:25,820 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:25,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902830794] [2022-02-15 03:16:25,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1902830794] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:25,821 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:25,821 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-15 03:16:25,821 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338507376] [2022-02-15 03:16:25,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:25,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-15 03:16:25,822 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:25,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-15 03:16:25,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-02-15 03:16:25,822 INFO L87 Difference]: Start difference. First operand 1098 states and 1578 transitions. Second operand has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:30,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:31,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:34,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:34,623 INFO L93 Difference]: Finished difference Result 3406 states and 4918 transitions. [2022-02-15 03:16:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 03:16:34,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 180 [2022-02-15 03:16:34,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:34,649 INFO L225 Difference]: With dead ends: 3406 [2022-02-15 03:16:34,649 INFO L226 Difference]: Without dead ends: 2336 [2022-02-15 03:16:34,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2022-02-15 03:16:34,654 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 584 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 158 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:34,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 1211 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1344 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-02-15 03:16:34,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-02-15 03:16:34,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2087. [2022-02-15 03:16:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2087 states, 2082 states have (on average 1.4490874159462055) internal successors, (3017), 2082 states have internal predecessors, (3017), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3021 transitions. [2022-02-15 03:16:34,883 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3021 transitions. Word has length 180 [2022-02-15 03:16:34,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:34,883 INFO L470 AbstractCegarLoop]: Abstraction has 2087 states and 3021 transitions. [2022-02-15 03:16:34,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3021 transitions. [2022-02-15 03:16:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-02-15 03:16:34,886 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:34,887 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-02-15 03:16:34,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-15 03:16:34,889 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:34,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:34,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1410782353, now seen corresponding path program 1 times [2022-02-15 03:16:34,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:34,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55795169] [2022-02-15 03:16:34,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:34,947 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:34,947 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:34,962 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:35,103 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:35,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55795169] [2022-02-15 03:16:35,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [55795169] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:35,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:35,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:35,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296785597] [2022-02-15 03:16:35,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:35,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:35,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:35,105 INFO L87 Difference]: Start difference. First operand 2087 states and 3021 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:38,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:39,247 INFO L93 Difference]: Finished difference Result 4322 states and 6255 transitions. [2022-02-15 03:16:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:39,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 190 [2022-02-15 03:16:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:39,252 INFO L225 Difference]: With dead ends: 4322 [2022-02-15 03:16:39,252 INFO L226 Difference]: Without dead ends: 2263 [2022-02-15 03:16:39,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:16:39,255 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 80 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:39,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 636 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-02-15 03:16:39,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2022-02-15 03:16:39,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2087. [2022-02-15 03:16:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2087 states, 2082 states have (on average 1.44716618635927) internal successors, (3013), 2082 states have internal predecessors, (3013), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3017 transitions. [2022-02-15 03:16:39,438 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3017 transitions. Word has length 190 [2022-02-15 03:16:39,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:39,438 INFO L470 AbstractCegarLoop]: Abstraction has 2087 states and 3017 transitions. [2022-02-15 03:16:39,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3017 transitions. [2022-02-15 03:16:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-02-15 03:16:39,441 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:39,441 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:39,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-15 03:16:39,441 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:39,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:39,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1063925452, now seen corresponding path program 1 times [2022-02-15 03:16:39,442 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:39,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298919540] [2022-02-15 03:16:39,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:39,501 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:39,501 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:39,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:39,515 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:39,653 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:39,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298919540] [2022-02-15 03:16:39,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [298919540] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:39,654 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:39,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:39,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436147494] [2022-02-15 03:16:39,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:39,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:39,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:39,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:39,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:39,655 INFO L87 Difference]: Start difference. First operand 2087 states and 3017 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:40,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:42,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:44,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:45,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:45,275 INFO L93 Difference]: Finished difference Result 4290 states and 6195 transitions. [2022-02-15 03:16:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:45,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 194 [2022-02-15 03:16:45,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:45,280 INFO L225 Difference]: With dead ends: 4290 [2022-02-15 03:16:45,280 INFO L226 Difference]: Without dead ends: 2231 [2022-02-15 03:16:45,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:16:45,283 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 72 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:45,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 654 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-02-15 03:16:45,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-02-15 03:16:45,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2087. [2022-02-15 03:16:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2087 states, 2082 states have (on average 1.4452449567723342) internal successors, (3009), 2082 states have internal predecessors, (3009), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3013 transitions. [2022-02-15 03:16:45,492 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3013 transitions. Word has length 194 [2022-02-15 03:16:45,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:45,492 INFO L470 AbstractCegarLoop]: Abstraction has 2087 states and 3013 transitions. [2022-02-15 03:16:45,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3013 transitions. [2022-02-15 03:16:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-02-15 03:16:45,494 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:45,494 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:45,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-15 03:16:45,495 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:45,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:45,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1626483692, now seen corresponding path program 1 times [2022-02-15 03:16:45,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:45,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839870751] [2022-02-15 03:16:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:45,540 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:45,540 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:45,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:45,552 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:46,872 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:46,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839870751] [2022-02-15 03:16:46,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1839870751] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:46,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:46,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-15 03:16:46,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125356477] [2022-02-15 03:16:46,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:46,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 03:16:46,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:46,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 03:16:46,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-15 03:16:46,873 INFO L87 Difference]: Start difference. First operand 2087 states and 3013 transitions. Second operand has 9 states, 8 states have (on average 13.0) internal successors, (104), 7 states have internal predecessors, (104), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:48,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:52,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:52,412 INFO L93 Difference]: Finished difference Result 5898 states and 8525 transitions. [2022-02-15 03:16:52,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 03:16:52,412 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 7 states have internal predecessors, (104), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 200 [2022-02-15 03:16:52,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:52,420 INFO L225 Difference]: With dead ends: 5898 [2022-02-15 03:16:52,420 INFO L226 Difference]: Without dead ends: 3839 [2022-02-15 03:16:52,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-02-15 03:16:52,424 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 298 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:52,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 1335 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-02-15 03:16:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2022-02-15 03:16:52,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 2892. [2022-02-15 03:16:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2892 states, 2887 states have (on average 1.4547973675095254) internal successors, (4200), 2887 states have internal predecessors, (4200), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 2892 states and 4204 transitions. [2022-02-15 03:16:52,756 INFO L78 Accepts]: Start accepts. Automaton has 2892 states and 4204 transitions. Word has length 200 [2022-02-15 03:16:52,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:52,756 INFO L470 AbstractCegarLoop]: Abstraction has 2892 states and 4204 transitions. [2022-02-15 03:16:52,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 7 states have internal predecessors, (104), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 4204 transitions. [2022-02-15 03:16:52,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-02-15 03:16:52,760 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:52,761 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:52,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-15 03:16:52,761 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:52,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1003202090, now seen corresponding path program 1 times [2022-02-15 03:16:52,762 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:52,762 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730103653] [2022-02-15 03:16:52,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:52,816 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:52,816 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:52,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:52,829 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:16:54,001 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:54,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730103653] [2022-02-15 03:16:54,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [730103653] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:54,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:54,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:16:54,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286383880] [2022-02-15 03:16:54,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:54,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:16:54,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:54,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:16:54,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:16:54,003 INFO L87 Difference]: Start difference. First operand 2892 states and 4204 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:56,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:59,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:01,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:01,248 INFO L93 Difference]: Finished difference Result 7329 states and 10596 transitions. [2022-02-15 03:17:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 03:17:01,249 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 200 [2022-02-15 03:17:01,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:01,257 INFO L225 Difference]: With dead ends: 7329 [2022-02-15 03:17:01,257 INFO L226 Difference]: Without dead ends: 4465 [2022-02-15 03:17:01,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-02-15 03:17:01,262 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 724 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:01,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [724 Valid, 1573 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-02-15 03:17:01,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2022-02-15 03:17:01,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 3042. [2022-02-15 03:17:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 3037 states have (on average 1.4639446822522226) internal successors, (4446), 3037 states have internal predecessors, (4446), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4450 transitions. [2022-02-15 03:17:01,588 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4450 transitions. Word has length 200 [2022-02-15 03:17:01,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:01,588 INFO L470 AbstractCegarLoop]: Abstraction has 3042 states and 4450 transitions. [2022-02-15 03:17:01,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 8 states have internal predecessors, (132), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:01,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4450 transitions. [2022-02-15 03:17:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-02-15 03:17:01,591 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:01,591 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:01,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-15 03:17:01,592 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:01,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:01,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2063849442, now seen corresponding path program 1 times [2022-02-15 03:17:01,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:01,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935203878] [2022-02-15 03:17:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:01,650 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:01,650 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:01,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:01,661 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:17:02,689 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:02,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935203878] [2022-02-15 03:17:02,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1935203878] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:02,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:02,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:17:02,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442552292] [2022-02-15 03:17:02,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:02,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:17:02,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:02,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:17:02,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:17:02,690 INFO L87 Difference]: Start difference. First operand 3042 states and 4450 transitions. Second operand has 10 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:04,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:06,979 INFO L93 Difference]: Finished difference Result 7105 states and 10349 transitions. [2022-02-15 03:17:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 03:17:06,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 201 [2022-02-15 03:17:06,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:06,993 INFO L225 Difference]: With dead ends: 7105 [2022-02-15 03:17:06,993 INFO L226 Difference]: Without dead ends: 4091 [2022-02-15 03:17:07,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-02-15 03:17:07,001 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 375 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 92 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:07,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 1862 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1935 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-02-15 03:17:07,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-02-15 03:17:07,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 3178. [2022-02-15 03:17:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 3173 states have (on average 1.4705326189725811) internal successors, (4666), 3173 states have internal predecessors, (4666), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 4670 transitions. [2022-02-15 03:17:07,409 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 4670 transitions. Word has length 201 [2022-02-15 03:17:07,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:07,410 INFO L470 AbstractCegarLoop]: Abstraction has 3178 states and 4670 transitions. [2022-02-15 03:17:07,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.777777777777779) internal successors, (133), 8 states have internal predecessors, (133), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 4670 transitions. [2022-02-15 03:17:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-02-15 03:17:07,413 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:07,413 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:07,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-15 03:17:07,414 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:07,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:07,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1314804687, now seen corresponding path program 1 times [2022-02-15 03:17:07,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:07,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101523885] [2022-02-15 03:17:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:07,461 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:07,461 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:07,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:07,495 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:07,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:17:07,649 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:07,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101523885] [2022-02-15 03:17:07,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [101523885] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:07,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:07,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:07,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331488599] [2022-02-15 03:17:07,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:07,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:07,651 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:07,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:07,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:07,652 INFO L87 Difference]: Start difference. First operand 3178 states and 4670 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 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) [2022-02-15 03:17:08,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:11,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:11,211 INFO L93 Difference]: Finished difference Result 6758 states and 9916 transitions. [2022-02-15 03:17:11,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:11,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 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 201 [2022-02-15 03:17:11,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:11,218 INFO L225 Difference]: With dead ends: 6758 [2022-02-15 03:17:11,218 INFO L226 Difference]: Without dead ends: 3608 [2022-02-15 03:17:11,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:17:11,226 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 125 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:11,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 430 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 03:17:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2022-02-15 03:17:11,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 3146. [2022-02-15 03:17:11,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 3141 states have (on average 1.466411970709965) internal successors, (4606), 3141 states have internal predecessors, (4606), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4610 transitions. [2022-02-15 03:17:11,792 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4610 transitions. Word has length 201 [2022-02-15 03:17:11,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:11,793 INFO L470 AbstractCegarLoop]: Abstraction has 3146 states and 4610 transitions. [2022-02-15 03:17:11,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 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) [2022-02-15 03:17:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4610 transitions. [2022-02-15 03:17:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-02-15 03:17:11,796 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:11,796 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:11,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-15 03:17:11,796 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:11,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:11,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1302842389, now seen corresponding path program 1 times [2022-02-15 03:17:11,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:11,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90307173] [2022-02-15 03:17:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:11,843 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:11,843 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:11,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:11,855 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:17:12,001 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:12,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90307173] [2022-02-15 03:17:12,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [90307173] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:12,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:12,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:12,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181984267] [2022-02-15 03:17:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:12,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:12,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:12,002 INFO L87 Difference]: Start difference. First operand 3146 states and 4610 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 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) [2022-02-15 03:17:13,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:15,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:15,049 INFO L93 Difference]: Finished difference Result 5349 states and 7776 transitions. [2022-02-15 03:17:15,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:15,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 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 202 [2022-02-15 03:17:15,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:15,057 INFO L225 Difference]: With dead ends: 5349 [2022-02-15 03:17:15,057 INFO L226 Difference]: Without dead ends: 3322 [2022-02-15 03:17:15,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:17:15,063 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 64 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:15,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 654 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 03:17:15,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2022-02-15 03:17:15,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3166. [2022-02-15 03:17:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 3161 states have (on average 1.4659917747548243) internal successors, (4634), 3161 states have internal predecessors, (4634), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4638 transitions. [2022-02-15 03:17:15,558 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4638 transitions. Word has length 202 [2022-02-15 03:17:15,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:15,558 INFO L470 AbstractCegarLoop]: Abstraction has 3166 states and 4638 transitions. [2022-02-15 03:17:15,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 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) [2022-02-15 03:17:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4638 transitions. [2022-02-15 03:17:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-02-15 03:17:15,561 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:15,561 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:15,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-15 03:17:15,561 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:15,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1472729817, now seen corresponding path program 1 times [2022-02-15 03:17:15,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:15,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517859749] [2022-02-15 03:17:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:15,612 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:15,612 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:15,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:15,628 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 03:17:15,752 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:15,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517859749] [2022-02-15 03:17:15,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [517859749] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:15,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:15,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:15,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100971969] [2022-02-15 03:17:15,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:15,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:15,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:15,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:15,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:15,753 INFO L87 Difference]: Start difference. First operand 3166 states and 4638 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 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) [2022-02-15 03:17:18,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:19,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:19,541 INFO L93 Difference]: Finished difference Result 6734 states and 9852 transitions. [2022-02-15 03:17:19,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:19,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 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 203 [2022-02-15 03:17:19,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:19,551 INFO L225 Difference]: With dead ends: 6734 [2022-02-15 03:17:19,551 INFO L226 Difference]: Without dead ends: 3596 [2022-02-15 03:17:19,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:17:19,560 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 125 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:19,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 444 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-02-15 03:17:19,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2022-02-15 03:17:20,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3166. [2022-02-15 03:17:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 3161 states have (on average 1.4602973742486556) internal successors, (4616), 3161 states have internal predecessors, (4616), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4620 transitions. [2022-02-15 03:17:20,163 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4620 transitions. Word has length 203 [2022-02-15 03:17:20,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:20,163 INFO L470 AbstractCegarLoop]: Abstraction has 3166 states and 4620 transitions. [2022-02-15 03:17:20,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 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) [2022-02-15 03:17:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4620 transitions. [2022-02-15 03:17:20,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-02-15 03:17:20,169 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:20,169 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:20,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-15 03:17:20,169 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:20,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:20,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1454481807, now seen corresponding path program 1 times [2022-02-15 03:17:20,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:20,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709867001] [2022-02-15 03:17:20,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:20,232 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:20,233 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:20,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:20,251 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:17:20,711 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 03:17:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:17:21,110 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 03:17:21,110 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 03:17:21,115 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 03:17:21,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-15 03:17:21,121 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:21,125 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 03:17:21,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 03:17:21 BoogieIcfgContainer [2022-02-15 03:17:21,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 03:17:21,173 INFO L158 Benchmark]: Toolchain (without parser) took 218461.77ms. Allocated memory was 167.8MB in the beginning and 863.0MB in the end (delta: 695.2MB). Free memory was 116.6MB in the beginning and 439.9MB in the end (delta: -323.3MB). Peak memory consumption was 372.2MB. Max. memory is 8.0GB. [2022-02-15 03:17:21,173 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 135.3MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 03:17:21,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.50ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 116.3MB in the beginning and 157.1MB in the end (delta: -40.8MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2022-02-15 03:17:21,173 INFO L158 Benchmark]: Boogie Preprocessor took 132.74ms. Allocated memory is still 201.3MB. Free memory was 157.1MB in the beginning and 149.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-15 03:17:21,173 INFO L158 Benchmark]: RCFGBuilder took 1731.21ms. Allocated memory is still 201.3MB. Free memory was 149.1MB in the beginning and 132.1MB in the end (delta: 17.0MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. [2022-02-15 03:17:21,174 INFO L158 Benchmark]: TraceAbstraction took 215967.68ms. Allocated memory was 201.3MB in the beginning and 863.0MB in the end (delta: 661.7MB). Free memory was 131.6MB in the beginning and 439.9MB in the end (delta: -308.3MB). Peak memory consumption was 353.3MB. Max. memory is 8.0GB. [2022-02-15 03:17:21,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 135.3MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 625.50ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 116.3MB in the beginning and 157.1MB in the end (delta: -40.8MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 132.74ms. Allocated memory is still 201.3MB. Free memory was 157.1MB in the beginning and 149.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1731.21ms. Allocated memory is still 201.3MB. Free memory was 149.1MB in the beginning and 132.1MB in the end (delta: 17.0MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. * TraceAbstraction took 215967.68ms. Allocated memory was 201.3MB in the beginning and 863.0MB in the end (delta: 661.7MB). Free memory was 131.6MB in the beginning and 439.9MB in the end (delta: -308.3MB). Peak memory consumption was 353.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1805]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1152. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1105] CALL ssl3_accept(s) [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) [L1161] EXPR s->cert [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 [L1764] EXPR s->s3 [L1764] EXPR (s->s3)->tmp.reuse_message [L1764] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1793] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 [L1378] COND FALSE !(ret <= 0) [L1383] s->hit [L1383] COND TRUE s->hit [L1384] s->state = 8656 [L1388] s->init_num = 0 [L1764] EXPR s->s3 [L1764] EXPR (s->s3)->tmp.reuse_message [L1764] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1793] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND TRUE s->state == 8656 [L1633] EXPR s->session [L1633] EXPR s->s3 [L1633] EXPR (s->s3)->tmp.new_cipher [L1633] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1634] COND FALSE !(! tmp___9) [L1640] ret = __VERIFIER_nondet_int() [L1641] COND FALSE !(blastFlag == 10) [L1644] COND FALSE !(blastFlag == 13) [L1647] COND FALSE !(blastFlag == 16) [L1650] COND FALSE !(blastFlag == 19) [L1658] COND FALSE !(ret <= 0) [L1663] s->state = 8672 [L1664] s->init_num = 0 [L1665] COND FALSE !(! tmp___10) [L1764] EXPR s->s3 [L1764] EXPR (s->s3)->tmp.reuse_message [L1764] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1793] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state [L1266] COND TRUE s->state == 8672 [L1674] ret = __VERIFIER_nondet_int() [L1675] COND FALSE !(blastFlag == 11) [L1678] COND FALSE !(blastFlag == 14) [L1681] COND FALSE !(blastFlag == 17) [L1684] COND FALSE !(blastFlag == 20) [L1692] COND FALSE !(ret <= 0) [L1697] s->state = 8448 [L1698] s->hit [L1698] COND TRUE s->hit [L1699] EXPR s->s3 [L1699] (s->s3)->tmp.next_state = 8640 [L1703] s->init_num = 0 [L1764] EXPR s->s3 [L1764] EXPR (s->s3)->tmp.reuse_message [L1764] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1793] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND TRUE s->state == 8448 [L1521] COND FALSE !(num1 > 0L) [L1534] EXPR s->s3 [L1534] EXPR (s->s3)->tmp.next_state [L1534] s->state = (s->s3)->tmp.next_state [L1764] EXPR s->s3 [L1764] EXPR (s->s3)->tmp.reuse_message [L1764] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1793] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND TRUE s->state == 8640 [L1601] ret = __VERIFIER_nondet_int() [L1602] COND FALSE !(blastFlag == 9) [L1605] COND FALSE !(blastFlag == 12) [L1608] COND FALSE !(blastFlag == 15) [L1611] COND FALSE !(blastFlag == 18) [L1805] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 215.9s, OverallIterations: 58, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 194.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 6259 SdHoareTripleChecker+Valid, 187.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6259 mSDsluCounter, 34898 SdHoareTripleChecker+Invalid, 180.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22884 mSDsCounter, 1824 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31332 IncrementalHoareTripleChecker+Invalid, 33164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1824 mSolverCounterUnsat, 12014 mSDtfsCounter, 31332 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3178occurred in iteration=54, InterpolantAutomatonStates: 310, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 57 MinimizatonAttempts, 7452 StatesRemovedByMinimization, 53 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-15 03:17:21,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...