/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.08.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 03:14:16,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 03:14:16,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 03:14:16,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 03:14:16,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 03:14:16,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 03:14:16,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 03:14:16,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 03:14:16,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 03:14:16,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 03:14:16,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 03:14:16,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 03:14:16,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 03:14:16,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 03:14:16,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 03:14:16,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 03:14:16,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 03:14:16,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 03:14:16,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 03:14:16,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 03:14:16,183 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 03:14:16,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 03:14:16,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 03:14:16,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 03:14:16,200 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 03:14:16,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 03:14:16,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 03:14:16,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 03:14:16,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 03:14:16,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 03:14:16,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 03:14:16,201 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 03:14:16,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 03:14:16,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 03:14:16,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 03:14:16,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 03:14:16,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 03:14:16,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 03:14:16,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 03:14:16,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:14:16,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 03:14:16,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 03:14:16,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 03:14:16,203 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-15 03:14:16,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 03:14:16,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 03:14:16,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 03:14:16,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 03:14:16,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 03:14:16,473 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 03:14:16,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-2.c [2022-02-15 03:14:16,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b2eaff2/2d8b8a00cffa45e7947c9e5d4f6a5d55/FLAG921db405c [2022-02-15 03:14:17,063 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 03:14:17,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.08.i.cil-2.c [2022-02-15 03:14:17,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b2eaff2/2d8b8a00cffa45e7947c9e5d4f6a5d55/FLAG921db405c [2022-02-15 03:14:17,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b2eaff2/2d8b8a00cffa45e7947c9e5d4f6a5d55 [2022-02-15 03:14:17,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 03:14:17,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 03:14:17,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 03:14:17,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 03:14:17,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 03:14:17,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:14:17" (1/1) ... [2022-02-15 03:14:17,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2344266d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:17, skipping insertion in model container [2022-02-15 03:14:17,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:14:17" (1/1) ... [2022-02-15 03:14:17,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 03:14:17,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 03:14:17,831 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.08.i.cil-2.c[74416,74429] [2022-02-15 03:14:17,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:14:17,861 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 03:14:17,997 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.08.i.cil-2.c[74416,74429] [2022-02-15 03:14:18,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 03:14:18,014 INFO L208 MainTranslator]: Completed translation [2022-02-15 03:14:18,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18 WrapperNode [2022-02-15 03:14:18,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 03:14:18,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 03:14:18,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 03:14:18,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 03:14:18,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 03:14:18,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 03:14:18,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 03:14:18,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 03:14:18,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (1/1) ... [2022-02-15 03:14:18,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 03:14:18,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 03:14:18,163 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 03:14:18,179 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 03:14:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 03:14:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 03:14:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 03:14:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-15 03:14:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-15 03:14:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 03:14:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-15 03:14:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 03:14:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 03:14:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 03:14:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 03:14:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 03:14:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 03:14:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 03:14:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 03:14:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 03:14:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 03:14:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 03:14:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 03:14:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 03:14:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 03:14:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 03:14:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 03:14:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 03:14:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 03:14:18,425 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 03:14:18,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 03:14:19,428 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 03:14:19,786 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-15 03:14:19,786 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-15 03:14:19,796 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 03:14:19,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 03:14:19,803 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 03:14:19,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:14:19 BoogieIcfgContainer [2022-02-15 03:14:19,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 03:14:19,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 03:14:19,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 03:14:19,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 03:14:19,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:14:17" (1/3) ... [2022-02-15 03:14:19,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba76cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:14:19, skipping insertion in model container [2022-02-15 03:14:19,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:14:18" (2/3) ... [2022-02-15 03:14:19,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba76cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:14:19, skipping insertion in model container [2022-02-15 03:14:19,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:14:19" (3/3) ... [2022-02-15 03:14:19,812 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.08.i.cil-2.c [2022-02-15 03:14:19,817 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 03:14:19,817 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 03:14:19,854 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 03:14:19,859 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 03:14:19,859 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 03:14:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 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 03:14:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-15 03:14:19,886 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:19,886 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] [2022-02-15 03:14:19,887 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1567830887, now seen corresponding path program 1 times [2022-02-15 03:14:19,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:19,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966128797] [2022-02-15 03:14:19,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:19,961 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:20,500 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 03:14:20,503 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:20,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966128797] [2022-02-15 03:14:20,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1966128797] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:20,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:20,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:20,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225532325] [2022-02-15 03:14:20,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:20,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:20,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:20,549 INFO L87 Difference]: Start difference. First operand has 158 states, 150 states have (on average 1.7066666666666668) internal successors, (256), 151 states have internal predecessors, (256), 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 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 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 03:14:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:22,715 INFO L93 Difference]: Finished difference Result 334 states and 560 transitions. [2022-02-15 03:14:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:22,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 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 49 [2022-02-15 03:14:22,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:22,733 INFO L225 Difference]: With dead ends: 334 [2022-02-15 03:14:22,734 INFO L226 Difference]: Without dead ends: 170 [2022-02-15 03:14:22,736 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 03:14:22,739 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 34 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:22,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 607 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-15 03:14:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-02-15 03:14:22,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 153. [2022-02-15 03:14:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 148 states have (on average 1.554054054054054) internal successors, (230), 148 states have internal predecessors, (230), 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 03:14:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 234 transitions. [2022-02-15 03:14:22,780 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 234 transitions. Word has length 49 [2022-02-15 03:14:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:22,781 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 234 transitions. [2022-02-15 03:14:22,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 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 03:14:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 234 transitions. [2022-02-15 03:14:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-15 03:14:22,788 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:22,788 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] [2022-02-15 03:14:22,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 03:14:22,789 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:22,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:22,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1249968034, now seen corresponding path program 1 times [2022-02-15 03:14:22,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:22,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994484805] [2022-02-15 03:14:22,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:22,814 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:22,814 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:22,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:22,819 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:22,976 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 03:14:22,976 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:22,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994484805] [2022-02-15 03:14:22,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1994484805] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:22,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:22,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:22,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274309584] [2022-02-15 03:14:22,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:22,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:22,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:22,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:22,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:22,979 INFO L87 Difference]: Start difference. First operand 153 states and 234 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 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 03:14:24,991 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 03:14:25,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:25,852 INFO L93 Difference]: Finished difference Result 397 states and 612 transitions. [2022-02-15 03:14:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:25,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 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 62 [2022-02-15 03:14:25,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:25,855 INFO L225 Difference]: With dead ends: 397 [2022-02-15 03:14:25,855 INFO L226 Difference]: Without dead ends: 270 [2022-02-15 03:14:25,856 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 03:14:25,857 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 143 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:25,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 626 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 618 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-02-15 03:14:25,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-02-15 03:14:25,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 169. [2022-02-15 03:14:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5548780487804879) internal successors, (255), 164 states have internal predecessors, (255), 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 03:14:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 259 transitions. [2022-02-15 03:14:25,871 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 259 transitions. Word has length 62 [2022-02-15 03:14:25,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:25,871 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 259 transitions. [2022-02-15 03:14:25,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (3), 2 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 03:14:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 259 transitions. [2022-02-15 03:14:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 03:14:25,873 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:25,873 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] [2022-02-15 03:14:25,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 03:14:25,874 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:25,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:25,874 INFO L85 PathProgramCache]: Analyzing trace with hash 174782894, now seen corresponding path program 1 times [2022-02-15 03:14:25,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:25,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431063907] [2022-02-15 03:14:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:25,886 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:25,886 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:25,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:25,890 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:26,020 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 03:14:26,021 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:26,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431063907] [2022-02-15 03:14:26,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1431063907] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:26,022 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:26,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:26,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41460928] [2022-02-15 03:14:26,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:26,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:26,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:26,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:26,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:26,024 INFO L87 Difference]: Start difference. First operand 169 states and 259 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:28,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:28,731 INFO L93 Difference]: Finished difference Result 328 states and 501 transitions. [2022-02-15 03:14:28,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:28,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-02-15 03:14:28,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:28,733 INFO L225 Difference]: With dead ends: 328 [2022-02-15 03:14:28,733 INFO L226 Difference]: Without dead ends: 185 [2022-02-15 03:14:28,734 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 03:14:28,735 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 28 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:28,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 485 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 03:14:28,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-02-15 03:14:28,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 169. [2022-02-15 03:14:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.548780487804878) internal successors, (254), 164 states have internal predecessors, (254), 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 03:14:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 258 transitions. [2022-02-15 03:14:28,765 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 258 transitions. Word has length 63 [2022-02-15 03:14:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:28,766 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 258 transitions. [2022-02-15 03:14:28,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 258 transitions. [2022-02-15 03:14:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 03:14:28,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:28,768 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] [2022-02-15 03:14:28,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 03:14:28,768 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:28,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:28,769 INFO L85 PathProgramCache]: Analyzing trace with hash -872727910, now seen corresponding path program 1 times [2022-02-15 03:14:28,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:28,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388307258] [2022-02-15 03:14:28,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:28,778 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:28,778 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:28,782 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:28,921 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 03:14:28,921 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:28,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388307258] [2022-02-15 03:14:28,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [388307258] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:28,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:28,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:28,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362463533] [2022-02-15 03:14:28,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:28,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:28,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:28,923 INFO L87 Difference]: Start difference. First operand 169 states and 258 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:31,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:31,314 INFO L93 Difference]: Finished difference Result 328 states and 500 transitions. [2022-02-15 03:14:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:31,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-02-15 03:14:31,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:31,315 INFO L225 Difference]: With dead ends: 328 [2022-02-15 03:14:31,316 INFO L226 Difference]: Without dead ends: 185 [2022-02-15 03:14:31,316 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 03:14:31,317 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 26 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:31,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 485 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:14:31,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-02-15 03:14:31,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 169. [2022-02-15 03:14:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5426829268292683) internal successors, (253), 164 states have internal predecessors, (253), 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 03:14:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 257 transitions. [2022-02-15 03:14:31,325 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 257 transitions. Word has length 63 [2022-02-15 03:14:31,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:31,325 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 257 transitions. [2022-02-15 03:14:31,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2022-02-15 03:14:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 03:14:31,327 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:31,327 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] [2022-02-15 03:14:31,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 03:14:31,327 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:31,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:31,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1795639363, now seen corresponding path program 1 times [2022-02-15 03:14:31,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:31,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164953530] [2022-02-15 03:14:31,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:31,339 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:31,340 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:31,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:31,342 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:31,459 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 03:14:31,459 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:31,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164953530] [2022-02-15 03:14:31,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1164953530] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:31,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:31,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:31,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529101912] [2022-02-15 03:14:31,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:31,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:31,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:31,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:31,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:31,463 INFO L87 Difference]: Start difference. First operand 169 states and 257 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:33,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:33,568 INFO L93 Difference]: Finished difference Result 326 states and 497 transitions. [2022-02-15 03:14:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:33,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-02-15 03:14:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:33,570 INFO L225 Difference]: With dead ends: 326 [2022-02-15 03:14:33,570 INFO L226 Difference]: Without dead ends: 183 [2022-02-15 03:14:33,571 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 03:14:33,572 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 20 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:33,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 489 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-15 03:14:33,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-02-15 03:14:33,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 169. [2022-02-15 03:14:33,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5365853658536586) internal successors, (252), 164 states have internal predecessors, (252), 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 03:14:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 256 transitions. [2022-02-15 03:14:33,580 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 256 transitions. Word has length 63 [2022-02-15 03:14:33,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:33,581 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 256 transitions. [2022-02-15 03:14:33,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 256 transitions. [2022-02-15 03:14:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 03:14:33,582 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:33,583 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] [2022-02-15 03:14:33,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 03:14:33,583 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:33,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:33,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1936366050, now seen corresponding path program 1 times [2022-02-15 03:14:33,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:33,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099295605] [2022-02-15 03:14:33,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:33,586 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:33,586 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:33,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:33,591 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:33,733 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 03:14:33,733 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:33,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099295605] [2022-02-15 03:14:33,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2099295605] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:33,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:33,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:33,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179006936] [2022-02-15 03:14:33,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:33,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:33,734 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:33,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:33,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:33,736 INFO L87 Difference]: Start difference. First operand 169 states and 256 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:36,136 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 03:14:37,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:37,018 INFO L93 Difference]: Finished difference Result 325 states and 495 transitions. [2022-02-15 03:14:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:37,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-02-15 03:14:37,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:37,020 INFO L225 Difference]: With dead ends: 325 [2022-02-15 03:14:37,021 INFO L226 Difference]: Without dead ends: 182 [2022-02-15 03:14:37,021 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 03:14:37,022 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 18 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:37,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 491 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-02-15 03:14:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-02-15 03:14:37,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 169. [2022-02-15 03:14:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.5304878048780488) internal successors, (251), 164 states have internal predecessors, (251), 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 03:14:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 255 transitions. [2022-02-15 03:14:37,035 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 255 transitions. Word has length 63 [2022-02-15 03:14:37,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:37,036 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 255 transitions. [2022-02-15 03:14:37,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:14:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 255 transitions. [2022-02-15 03:14:37,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 03:14:37,037 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:37,037 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] [2022-02-15 03:14:37,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 03:14:37,038 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:37,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1417207957, now seen corresponding path program 1 times [2022-02-15 03:14:37,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:37,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722145256] [2022-02-15 03:14:37,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:37,051 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:37,051 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:37,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:37,056 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:37,174 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 03:14:37,175 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:37,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722145256] [2022-02-15 03:14:37,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1722145256] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:37,175 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:37,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:37,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004312302] [2022-02-15 03:14:37,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:37,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:37,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:37,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:37,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:37,176 INFO L87 Difference]: Start difference. First operand 169 states and 255 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 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 03:14:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:39,500 INFO L93 Difference]: Finished difference Result 325 states and 494 transitions. [2022-02-15 03:14:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:39,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 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 64 [2022-02-15 03:14:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:39,502 INFO L225 Difference]: With dead ends: 325 [2022-02-15 03:14:39,502 INFO L226 Difference]: Without dead ends: 182 [2022-02-15 03:14:39,502 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 03:14:39,503 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 22 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:39,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 491 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 03:14:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-02-15 03:14:39,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 169. [2022-02-15 03:14:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 164 states have (on average 1.524390243902439) internal successors, (250), 164 states have internal predecessors, (250), 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 03:14:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 254 transitions. [2022-02-15 03:14:39,510 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 254 transitions. Word has length 64 [2022-02-15 03:14:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:39,510 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 254 transitions. [2022-02-15 03:14:39,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 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 03:14:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 254 transitions. [2022-02-15 03:14:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-15 03:14:39,512 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:39,512 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] [2022-02-15 03:14:39,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 03:14:39,512 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:39,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:39,512 INFO L85 PathProgramCache]: Analyzing trace with hash 2063973909, now seen corresponding path program 1 times [2022-02-15 03:14:39,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:39,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325554689] [2022-02-15 03:14:39,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:39,520 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:39,520 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:39,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:39,524 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:39,620 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 03:14:39,621 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:39,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325554689] [2022-02-15 03:14:39,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [325554689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:39,621 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:39,621 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:39,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586154599] [2022-02-15 03:14:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:39,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:39,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:39,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:39,622 INFO L87 Difference]: Start difference. First operand 169 states and 254 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 03:14:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:42,337 INFO L93 Difference]: Finished difference Result 429 states and 658 transitions. [2022-02-15 03:14:42,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:42,337 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 03:14:42,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:42,339 INFO L225 Difference]: With dead ends: 429 [2022-02-15 03:14:42,339 INFO L226 Difference]: Without dead ends: 286 [2022-02-15 03:14:42,339 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 03:14:42,340 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 145 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:42,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 342 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 03:14:42,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-15 03:14:42,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 183. [2022-02-15 03:14:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.5168539325842696) internal successors, (270), 178 states have internal predecessors, (270), 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 03:14:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 274 transitions. [2022-02-15 03:14:42,348 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 274 transitions. Word has length 65 [2022-02-15 03:14:42,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:42,349 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 274 transitions. [2022-02-15 03:14:42,349 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 03:14:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 274 transitions. [2022-02-15 03:14:42,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:14:42,350 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:42,351 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] [2022-02-15 03:14:42,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 03:14:42,351 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:42,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:42,351 INFO L85 PathProgramCache]: Analyzing trace with hash -982887248, now seen corresponding path program 1 times [2022-02-15 03:14:42,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:42,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113279836] [2022-02-15 03:14:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:42,360 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:42,360 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:42,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:42,368 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:42,478 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 03:14:42,478 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:42,478 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113279836] [2022-02-15 03:14:42,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1113279836] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:42,479 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:42,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:42,479 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349004182] [2022-02-15 03:14:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:42,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:42,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:42,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:42,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:42,480 INFO L87 Difference]: Start difference. First operand 183 states and 274 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 03:14:43,641 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 03:14:45,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:45,915 INFO L93 Difference]: Finished difference Result 343 states and 521 transitions. [2022-02-15 03:14:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:45,916 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 03:14:45,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:45,917 INFO L225 Difference]: With dead ends: 343 [2022-02-15 03:14:45,917 INFO L226 Difference]: Without dead ends: 186 [2022-02-15 03:14:45,918 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 03:14:45,918 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 11 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:45,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 505 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 03:14:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-02-15 03:14:45,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-02-15 03:14:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.5112359550561798) internal successors, (269), 178 states have internal predecessors, (269), 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 03:14:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 273 transitions. [2022-02-15 03:14:45,926 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 273 transitions. Word has length 66 [2022-02-15 03:14:45,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:45,927 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 273 transitions. [2022-02-15 03:14:45,927 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 03:14:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 273 transitions. [2022-02-15 03:14:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 03:14:45,927 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:45,928 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] [2022-02-15 03:14:45,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 03:14:45,928 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:45,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:45,928 INFO L85 PathProgramCache]: Analyzing trace with hash -185815193, now seen corresponding path program 1 times [2022-02-15 03:14:45,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:45,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194304828] [2022-02-15 03:14:45,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:45,934 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:45,934 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:45,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:45,939 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:46,033 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 03:14:46,034 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:46,034 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194304828] [2022-02-15 03:14:46,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1194304828] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:46,034 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:46,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:46,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731683271] [2022-02-15 03:14:46,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:46,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:46,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:46,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:46,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:46,035 INFO L87 Difference]: Start difference. First operand 183 states and 273 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 03:14:49,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:49,092 INFO L93 Difference]: Finished difference Result 460 states and 701 transitions. [2022-02-15 03:14:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:49,092 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 03:14:49,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:49,094 INFO L225 Difference]: With dead ends: 460 [2022-02-15 03:14:49,094 INFO L226 Difference]: Without dead ends: 303 [2022-02-15 03:14:49,095 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 03:14:49,095 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 120 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:49,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 342 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-02-15 03:14:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-02-15 03:14:49,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 225. [2022-02-15 03:14:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 220 states have (on average 1.5636363636363637) internal successors, (344), 220 states have internal predecessors, (344), 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 03:14:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 348 transitions. [2022-02-15 03:14:49,104 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 348 transitions. Word has length 66 [2022-02-15 03:14:49,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:49,104 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 348 transitions. [2022-02-15 03:14:49,104 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 03:14:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 348 transitions. [2022-02-15 03:14:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 03:14:49,105 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:49,105 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] [2022-02-15 03:14:49,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 03:14:49,105 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:49,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:49,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1666788857, now seen corresponding path program 1 times [2022-02-15 03:14:49,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:49,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901784881] [2022-02-15 03:14:49,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:49,110 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:49,110 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:49,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:49,114 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:49,213 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 03:14:49,214 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:49,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901784881] [2022-02-15 03:14:49,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [901784881] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:49,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:49,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:49,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358348565] [2022-02-15 03:14:49,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:49,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:49,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:49,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:49,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:49,215 INFO L87 Difference]: Start difference. First operand 225 states and 348 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 03:14:52,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:52,364 INFO L93 Difference]: Finished difference Result 467 states and 730 transitions. [2022-02-15 03:14:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:52,364 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 03:14:52,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:52,366 INFO L225 Difference]: With dead ends: 467 [2022-02-15 03:14:52,366 INFO L226 Difference]: Without dead ends: 268 [2022-02-15 03:14:52,367 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 03:14:52,367 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 32 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:52,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 503 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 03:14:52,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-02-15 03:14:52,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 247. [2022-02-15 03:14:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.5702479338842976) internal successors, (380), 242 states have internal predecessors, (380), 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 03:14:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 384 transitions. [2022-02-15 03:14:52,380 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 384 transitions. Word has length 67 [2022-02-15 03:14:52,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:52,380 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 384 transitions. [2022-02-15 03:14:52,380 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 03:14:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 384 transitions. [2022-02-15 03:14:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-15 03:14:52,381 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:52,381 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] [2022-02-15 03:14:52,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 03:14:52,382 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:52,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:52,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1171313824, now seen corresponding path program 1 times [2022-02-15 03:14:52,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:52,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337874754] [2022-02-15 03:14:52,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:52,400 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:52,400 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:52,404 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:52,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:52,500 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 03:14:52,500 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:52,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337874754] [2022-02-15 03:14:52,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1337874754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:52,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:52,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:52,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531929103] [2022-02-15 03:14:52,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:52,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:52,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:52,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:52,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:52,502 INFO L87 Difference]: Start difference. First operand 247 states and 384 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 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 03:14:55,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:14:55,832 INFO L93 Difference]: Finished difference Result 481 states and 754 transitions. [2022-02-15 03:14:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:14:55,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 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 81 [2022-02-15 03:14:55,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:14:55,833 INFO L225 Difference]: With dead ends: 481 [2022-02-15 03:14:55,833 INFO L226 Difference]: Without dead ends: 260 [2022-02-15 03:14:55,834 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 03:14:55,834 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 21 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:14:55,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 576 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-02-15 03:14:55,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-02-15 03:14:55,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 247. [2022-02-15 03:14:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.5661157024793388) internal successors, (379), 242 states have internal predecessors, (379), 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 03:14:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 383 transitions. [2022-02-15 03:14:55,842 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 383 transitions. Word has length 81 [2022-02-15 03:14:55,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:14:55,843 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 383 transitions. [2022-02-15 03:14:55,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 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 03:14:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 383 transitions. [2022-02-15 03:14:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-15 03:14:55,843 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:14:55,844 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:14:55,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 03:14:55,844 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:14:55,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:14:55,844 INFO L85 PathProgramCache]: Analyzing trace with hash -121743189, now seen corresponding path program 1 times [2022-02-15 03:14:55,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:14:55,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452216513] [2022-02-15 03:14:55,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:14:55,853 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:14:55,853 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:14:55,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:14:55,857 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:14:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:14:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:14:55,985 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 03:14:55,985 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:14:55,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452216513] [2022-02-15 03:14:55,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [452216513] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:14:55,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:14:55,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:14:55,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385392319] [2022-02-15 03:14:55,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:14:55,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:14:55,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:14:55,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:14:55,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:14:55,986 INFO L87 Difference]: Start difference. First operand 247 states and 383 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 03:14:57,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:14:59,874 WARN L534 Checker$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 03:15:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:00,443 INFO L93 Difference]: Finished difference Result 569 states and 891 transitions. [2022-02-15 03:15:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:00,443 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 81 [2022-02-15 03:15:00,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:00,445 INFO L225 Difference]: With dead ends: 569 [2022-02-15 03:15:00,445 INFO L226 Difference]: Without dead ends: 348 [2022-02-15 03:15:00,446 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 03:15:00,447 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 142 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:00,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 344 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-02-15 03:15:00,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-02-15 03:15:00,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 248. [2022-02-15 03:15:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.5555555555555556) internal successors, (378), 243 states have internal predecessors, (378), 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 03:15:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 382 transitions. [2022-02-15 03:15:00,460 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 382 transitions. Word has length 81 [2022-02-15 03:15:00,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:00,461 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 382 transitions. [2022-02-15 03:15:00,461 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 03:15:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 382 transitions. [2022-02-15 03:15:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-15 03:15:00,462 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:00,462 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] [2022-02-15 03:15:00,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 03:15:00,462 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:00,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:00,463 INFO L85 PathProgramCache]: Analyzing trace with hash -54183188, now seen corresponding path program 1 times [2022-02-15 03:15:00,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:00,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939799266] [2022-02-15 03:15:00,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:00,476 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:00,476 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:00,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:00,481 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:00,618 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 03:15:00,619 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:00,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939799266] [2022-02-15 03:15:00,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [939799266] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:00,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:00,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:00,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134589267] [2022-02-15 03:15:00,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:00,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:00,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:00,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:00,620 INFO L87 Difference]: Start difference. First operand 248 states and 382 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 03:15:04,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:05,240 INFO L93 Difference]: Finished difference Result 488 states and 758 transitions. [2022-02-15 03:15:05,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:05,241 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 81 [2022-02-15 03:15:05,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:05,242 INFO L225 Difference]: With dead ends: 488 [2022-02-15 03:15:05,242 INFO L226 Difference]: Without dead ends: 266 [2022-02-15 03:15:05,243 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 03:15:05,243 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 34 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:05,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 509 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-02-15 03:15:05,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-02-15 03:15:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 248. [2022-02-15 03:15:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 243 states have (on average 1.551440329218107) internal successors, (377), 243 states have internal predecessors, (377), 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 03:15:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 381 transitions. [2022-02-15 03:15:05,253 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 381 transitions. Word has length 81 [2022-02-15 03:15:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:05,253 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 381 transitions. [2022-02-15 03:15:05,254 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 03:15:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 381 transitions. [2022-02-15 03:15:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-02-15 03:15:05,254 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:05,254 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] [2022-02-15 03:15:05,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 03:15:05,255 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:05,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1045630719, now seen corresponding path program 1 times [2022-02-15 03:15:05,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:05,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188353427] [2022-02-15 03:15:05,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:05,270 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:05,270 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:05,274 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:05,407 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 03:15:05,407 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:05,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188353427] [2022-02-15 03:15:05,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [188353427] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:05,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:05,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:15:05,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351908992] [2022-02-15 03:15:05,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:05,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:15:05,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:05,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:15:05,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:15:05,409 INFO L87 Difference]: Start difference. First operand 248 states and 381 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 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 03:15:08,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:08,429 INFO L93 Difference]: Finished difference Result 479 states and 744 transitions. [2022-02-15 03:15:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 03:15:08,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 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 82 [2022-02-15 03:15:08,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:08,431 INFO L225 Difference]: With dead ends: 479 [2022-02-15 03:15:08,431 INFO L226 Difference]: Without dead ends: 257 [2022-02-15 03:15:08,432 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 03:15:08,432 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 3 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:08,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 633 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-02-15 03:15:08,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-02-15 03:15:08,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2022-02-15 03:15:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.5396825396825398) internal successors, (388), 252 states have internal predecessors, (388), 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 03:15:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 392 transitions. [2022-02-15 03:15:08,442 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 392 transitions. Word has length 82 [2022-02-15 03:15:08,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:08,442 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 392 transitions. [2022-02-15 03:15:08,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 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 03:15:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 392 transitions. [2022-02-15 03:15:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-02-15 03:15:08,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:08,446 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:08,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 03:15:08,446 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:08,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:08,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1613801197, now seen corresponding path program 1 times [2022-02-15 03:15:08,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:08,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686024851] [2022-02-15 03:15:08,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:08,460 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:08,460 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:08,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:08,466 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:08,562 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 03:15:08,562 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:08,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686024851] [2022-02-15 03:15:08,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [686024851] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:08,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:08,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:08,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651870368] [2022-02-15 03:15:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:08,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:08,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:08,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:08,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:08,564 INFO L87 Difference]: Start difference. First operand 257 states and 392 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 03:15:11,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:11,751 INFO L93 Difference]: Finished difference Result 597 states and 918 transitions. [2022-02-15 03:15:11,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:11,752 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 03:15:11,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:11,753 INFO L225 Difference]: With dead ends: 597 [2022-02-15 03:15:11,753 INFO L226 Difference]: Without dead ends: 366 [2022-02-15 03:15:11,754 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 03:15:11,754 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 146 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:11,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 344 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-02-15 03:15:11,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-02-15 03:15:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 257. [2022-02-15 03:15:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.5238095238095237) internal successors, (384), 252 states have internal predecessors, (384), 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 03:15:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 388 transitions. [2022-02-15 03:15:11,765 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 388 transitions. Word has length 82 [2022-02-15 03:15:11,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:11,766 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 388 transitions. [2022-02-15 03:15:11,766 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 03:15:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 388 transitions. [2022-02-15 03:15:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-02-15 03:15:11,766 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:11,766 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:11,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 03:15:11,767 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:11,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash -972471768, now seen corresponding path program 1 times [2022-02-15 03:15:11,767 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:11,767 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264895897] [2022-02-15 03:15:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:11,777 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:11,777 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:11,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:11,782 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:11,873 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 03:15:11,873 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:11,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264895897] [2022-02-15 03:15:11,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1264895897] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:11,873 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:11,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:11,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551417289] [2022-02-15 03:15:11,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:11,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:11,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:11,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:11,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:11,874 INFO L87 Difference]: Start difference. First operand 257 states and 388 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 03:15:12,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:15,169 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 03:15:16,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:16,040 INFO L93 Difference]: Finished difference Result 597 states and 910 transitions. [2022-02-15 03:15:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:16,041 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 03:15:16,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:16,042 INFO L225 Difference]: With dead ends: 597 [2022-02-15 03:15:16,042 INFO L226 Difference]: Without dead ends: 366 [2022-02-15 03:15:16,043 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 03:15:16,043 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 144 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:16,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 344 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 477 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 03:15:16,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-02-15 03:15:16,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 257. [2022-02-15 03:15:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.507936507936508) internal successors, (380), 252 states have internal predecessors, (380), 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 03:15:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 384 transitions. [2022-02-15 03:15:16,052 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 384 transitions. Word has length 83 [2022-02-15 03:15:16,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:16,052 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 384 transitions. [2022-02-15 03:15:16,052 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 03:15:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 384 transitions. [2022-02-15 03:15:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-02-15 03:15:16,053 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:16,053 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] [2022-02-15 03:15:16,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 03:15:16,053 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:16,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:16,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1392698493, now seen corresponding path program 1 times [2022-02-15 03:15:16,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:16,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745412965] [2022-02-15 03:15:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:16,068 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:16,068 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:16,073 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:16,155 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 03:15:16,155 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:16,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745412965] [2022-02-15 03:15:16,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [745412965] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:16,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:16,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:16,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66161996] [2022-02-15 03:15:16,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:16,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:16,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:16,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:16,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:16,156 INFO L87 Difference]: Start difference. First operand 257 states and 384 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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 03:15:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:18,447 INFO L93 Difference]: Finished difference Result 505 states and 760 transitions. [2022-02-15 03:15:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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 85 [2022-02-15 03:15:18,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:18,452 INFO L225 Difference]: With dead ends: 505 [2022-02-15 03:15:18,452 INFO L226 Difference]: Without dead ends: 274 [2022-02-15 03:15:18,453 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 03:15:18,453 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:18,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 511 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 03:15:18,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-02-15 03:15:18,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 257. [2022-02-15 03:15:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.503968253968254) internal successors, (379), 252 states have internal predecessors, (379), 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 03:15:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 383 transitions. [2022-02-15 03:15:18,463 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 383 transitions. Word has length 85 [2022-02-15 03:15:18,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:18,463 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 383 transitions. [2022-02-15 03:15:18,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 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 03:15:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 383 transitions. [2022-02-15 03:15:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-02-15 03:15:18,464 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:18,464 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] [2022-02-15 03:15:18,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 03:15:18,464 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:18,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2052835675, now seen corresponding path program 1 times [2022-02-15 03:15:18,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:18,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276828073] [2022-02-15 03:15:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:18,475 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:18,475 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:18,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:18,490 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:18,614 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 03:15:18,614 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:18,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276828073] [2022-02-15 03:15:18,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [276828073] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:18,615 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:18,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:18,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766005940] [2022-02-15 03:15:18,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:18,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:18,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:18,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:18,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:18,616 INFO L87 Difference]: Start difference. First operand 257 states and 383 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 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 03:15:20,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:20,996 INFO L93 Difference]: Finished difference Result 595 states and 895 transitions. [2022-02-15 03:15:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:20,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 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 89 [2022-02-15 03:15:20,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:20,998 INFO L225 Difference]: With dead ends: 595 [2022-02-15 03:15:20,998 INFO L226 Difference]: Without dead ends: 364 [2022-02-15 03:15:20,998 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 03:15:20,999 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 81 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:20,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 495 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:15:21,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-02-15 03:15:21,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 299. [2022-02-15 03:15:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.5272108843537415) internal successors, (449), 294 states have internal predecessors, (449), 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 03:15:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 453 transitions. [2022-02-15 03:15:21,010 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 453 transitions. Word has length 89 [2022-02-15 03:15:21,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:21,010 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 453 transitions. [2022-02-15 03:15:21,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 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 03:15:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 453 transitions. [2022-02-15 03:15:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-02-15 03:15:21,011 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:21,011 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] [2022-02-15 03:15:21,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 03:15:21,012 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:21,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:21,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1818484899, now seen corresponding path program 1 times [2022-02-15 03:15:21,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:21,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1604785653] [2022-02-15 03:15:21,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:21,022 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:21,022 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:21,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:21,028 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:21,180 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 03:15:21,180 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:21,180 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1604785653] [2022-02-15 03:15:21,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1604785653] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:21,180 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:21,180 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:21,180 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377408525] [2022-02-15 03:15:21,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:21,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:21,181 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:21,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:21,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:21,182 INFO L87 Difference]: Start difference. First operand 299 states and 453 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 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 03:15:23,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:23,404 INFO L93 Difference]: Finished difference Result 681 states and 1040 transitions. [2022-02-15 03:15:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:23,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 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 89 [2022-02-15 03:15:23,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:23,406 INFO L225 Difference]: With dead ends: 681 [2022-02-15 03:15:23,406 INFO L226 Difference]: Without dead ends: 408 [2022-02-15 03:15:23,407 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 03:15:23,407 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 116 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:23,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 362 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 03:15:23,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-02-15 03:15:23,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 280. [2022-02-15 03:15:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 275 states have (on average 1.5418181818181818) internal successors, (424), 275 states have internal predecessors, (424), 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 03:15:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 428 transitions. [2022-02-15 03:15:23,419 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 428 transitions. Word has length 89 [2022-02-15 03:15:23,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:23,420 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 428 transitions. [2022-02-15 03:15:23,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (3), 2 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 03:15:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 428 transitions. [2022-02-15 03:15:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-02-15 03:15:23,421 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:23,421 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] [2022-02-15 03:15:23,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 03:15:23,421 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:23,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash 577202679, now seen corresponding path program 1 times [2022-02-15 03:15:23,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:23,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243421150] [2022-02-15 03:15:23,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:23,450 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:23,450 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:23,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:23,456 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:23,585 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 03:15:23,585 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:23,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243421150] [2022-02-15 03:15:23,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [243421150] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:23,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:23,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:23,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548634349] [2022-02-15 03:15:23,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:23,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:23,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:23,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:23,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:23,587 INFO L87 Difference]: Start difference. First operand 280 states and 428 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 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 03:15:24,643 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 03:15:26,939 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 03:15:28,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:28,383 INFO L93 Difference]: Finished difference Result 638 states and 980 transitions. [2022-02-15 03:15:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:28,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 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 117 [2022-02-15 03:15:28,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:28,385 INFO L225 Difference]: With dead ends: 638 [2022-02-15 03:15:28,385 INFO L226 Difference]: Without dead ends: 384 [2022-02-15 03:15:28,386 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 03:15:28,386 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 87 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:28,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 501 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 525 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-15 03:15:28,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-02-15 03:15:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 314. [2022-02-15 03:15:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 309 states have (on average 1.5501618122977345) internal successors, (479), 309 states have internal predecessors, (479), 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 03:15:28,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 483 transitions. [2022-02-15 03:15:28,400 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 483 transitions. Word has length 117 [2022-02-15 03:15:28,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:28,400 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 483 transitions. [2022-02-15 03:15:28,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 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 03:15:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 483 transitions. [2022-02-15 03:15:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-02-15 03:15:28,401 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:28,401 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] [2022-02-15 03:15:28,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 03:15:28,401 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:28,402 INFO L85 PathProgramCache]: Analyzing trace with hash 84576505, now seen corresponding path program 1 times [2022-02-15 03:15:28,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:28,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310438295] [2022-02-15 03:15:28,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:28,420 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:28,420 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:28,429 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:28,570 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 03:15:28,571 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:28,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310438295] [2022-02-15 03:15:28,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [310438295] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:28,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:28,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:28,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682066692] [2022-02-15 03:15:28,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:28,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:28,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:28,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:28,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:28,572 INFO L87 Difference]: Start difference. First operand 314 states and 483 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 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 03:15:30,399 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 03:15:31,546 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 03:15:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:32,086 INFO L93 Difference]: Finished difference Result 764 states and 1186 transitions. [2022-02-15 03:15:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:32,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 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 117 [2022-02-15 03:15:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:32,089 INFO L225 Difference]: With dead ends: 764 [2022-02-15 03:15:32,090 INFO L226 Difference]: Without dead ends: 476 [2022-02-15 03:15:32,092 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 03:15:32,093 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 122 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:32,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 374 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-02-15 03:15:32,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-02-15 03:15:32,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 344. [2022-02-15 03:15:32,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 339 states have (on average 1.5634218289085546) internal successors, (530), 339 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 03:15:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 534 transitions. [2022-02-15 03:15:32,112 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 534 transitions. Word has length 117 [2022-02-15 03:15:32,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:32,114 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 534 transitions. [2022-02-15 03:15:32,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 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 03:15:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 534 transitions. [2022-02-15 03:15:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-15 03:15:32,115 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:32,115 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:15:32,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 03:15:32,115 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:32,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:32,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2043197587, now seen corresponding path program 1 times [2022-02-15 03:15:32,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:32,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874027619] [2022-02-15 03:15:32,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:32,159 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:32,159 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:32,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:32,164 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:32,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:32,274 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 03:15:32,274 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:32,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874027619] [2022-02-15 03:15:32,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1874027619] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:32,274 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:32,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:32,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377954298] [2022-02-15 03:15:32,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:32,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:32,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:32,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:32,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:32,275 INFO L87 Difference]: Start difference. First operand 344 states and 534 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 03:15:33,287 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 03:15:35,723 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 03:15:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:36,534 INFO L93 Difference]: Finished difference Result 738 states and 1144 transitions. [2022-02-15 03:15:36,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:36,534 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 122 [2022-02-15 03:15:36,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:36,536 INFO L225 Difference]: With dead ends: 738 [2022-02-15 03:15:36,536 INFO L226 Difference]: Without dead ends: 420 [2022-02-15 03:15:36,537 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 03:15:36,537 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 144 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:36,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 344 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-02-15 03:15:36,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-02-15 03:15:36,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 344. [2022-02-15 03:15:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 339 states have (on average 1.5457227138643068) internal successors, (524), 339 states have internal predecessors, (524), 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 03:15:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 528 transitions. [2022-02-15 03:15:36,553 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 528 transitions. Word has length 122 [2022-02-15 03:15:36,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:36,554 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 528 transitions. [2022-02-15 03:15:36,554 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 03:15:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 528 transitions. [2022-02-15 03:15:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-15 03:15:36,555 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:36,555 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] [2022-02-15 03:15:36,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 03:15:36,555 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:36,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:36,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1613126177, now seen corresponding path program 1 times [2022-02-15 03:15:36,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:36,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743609398] [2022-02-15 03:15:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:36,574 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:36,574 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:36,580 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:36,689 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 03:15:36,689 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:36,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743609398] [2022-02-15 03:15:36,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1743609398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:36,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:36,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:36,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629635574] [2022-02-15 03:15:36,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:36,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:36,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:36,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:36,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:36,690 INFO L87 Difference]: Start difference. First operand 344 states and 528 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 03:15:37,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:39,474 INFO L93 Difference]: Finished difference Result 778 states and 1198 transitions. [2022-02-15 03:15:39,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:39,475 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 122 [2022-02-15 03:15:39,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:39,476 INFO L225 Difference]: With dead ends: 778 [2022-02-15 03:15:39,476 INFO L226 Difference]: Without dead ends: 460 [2022-02-15 03:15:39,477 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 03:15:39,478 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 117 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:39,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 344 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 03:15:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-02-15 03:15:39,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 381. [2022-02-15 03:15:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 376 states have (on average 1.553191489361702) internal successors, (584), 376 states have internal predecessors, (584), 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 03:15:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 588 transitions. [2022-02-15 03:15:39,496 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 588 transitions. Word has length 122 [2022-02-15 03:15:39,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:39,496 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 588 transitions. [2022-02-15 03:15:39,496 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 03:15:39,496 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 588 transitions. [2022-02-15 03:15:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-15 03:15:39,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:39,497 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] [2022-02-15 03:15:39,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 03:15:39,497 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:39,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash -48682167, now seen corresponding path program 1 times [2022-02-15 03:15:39,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:39,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042365624] [2022-02-15 03:15:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:39,518 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:39,518 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:39,525 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:39,684 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 03:15:39,684 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:39,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042365624] [2022-02-15 03:15:39,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2042365624] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:39,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:39,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:39,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600750722] [2022-02-15 03:15:39,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:39,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:39,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:39,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:39,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:39,685 INFO L87 Difference]: Start difference. First operand 381 states and 588 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 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 03:15:42,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:42,156 INFO L93 Difference]: Finished difference Result 828 states and 1283 transitions. [2022-02-15 03:15:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 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 123 [2022-02-15 03:15:42,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:42,158 INFO L225 Difference]: With dead ends: 828 [2022-02-15 03:15:42,158 INFO L226 Difference]: Without dead ends: 473 [2022-02-15 03:15:42,159 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 03:15:42,160 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 77 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:42,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 473 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:15:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-02-15 03:15:42,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 421. [2022-02-15 03:15:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.5576923076923077) internal successors, (648), 416 states have internal predecessors, (648), 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 03:15:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 652 transitions. [2022-02-15 03:15:42,181 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 652 transitions. Word has length 123 [2022-02-15 03:15:42,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:42,181 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 652 transitions. [2022-02-15 03:15:42,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 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 03:15:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 652 transitions. [2022-02-15 03:15:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-15 03:15:42,183 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:42,183 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] [2022-02-15 03:15:42,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 03:15:42,183 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:42,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:42,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1685422283, now seen corresponding path program 1 times [2022-02-15 03:15:42,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:42,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108835126] [2022-02-15 03:15:42,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:42,204 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:42,204 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:42,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:42,210 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:42,334 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 03:15:42,335 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:42,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108835126] [2022-02-15 03:15:42,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1108835126] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:42,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:42,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:42,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319672174] [2022-02-15 03:15:42,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:42,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:42,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:42,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:42,337 INFO L87 Difference]: Start difference. First operand 421 states and 652 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 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 03:15:44,359 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 03:15:45,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:45,903 INFO L93 Difference]: Finished difference Result 892 states and 1380 transitions. [2022-02-15 03:15:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:45,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 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 123 [2022-02-15 03:15:45,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:45,905 INFO L225 Difference]: With dead ends: 892 [2022-02-15 03:15:45,905 INFO L226 Difference]: Without dead ends: 497 [2022-02-15 03:15:45,906 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 03:15:45,906 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 116 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:45,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 344 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-02-15 03:15:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-02-15 03:15:45,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 381. [2022-02-15 03:15:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 376 states have (on average 1.547872340425532) internal successors, (582), 376 states have internal predecessors, (582), 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 03:15:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 586 transitions. [2022-02-15 03:15:45,924 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 586 transitions. Word has length 123 [2022-02-15 03:15:45,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:45,925 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 586 transitions. [2022-02-15 03:15:45,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 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 03:15:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 586 transitions. [2022-02-15 03:15:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-15 03:15:45,926 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:45,926 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] [2022-02-15 03:15:45,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 03:15:45,926 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:45,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:45,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1491077513, now seen corresponding path program 1 times [2022-02-15 03:15:45,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:45,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27961928] [2022-02-15 03:15:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:45,950 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:45,950 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:45,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:45,957 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:46,046 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 03:15:46,046 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:46,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27961928] [2022-02-15 03:15:46,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [27961928] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:46,046 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:46,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:46,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839022901] [2022-02-15 03:15:46,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:46,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:46,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:46,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:46,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:46,047 INFO L87 Difference]: Start difference. First operand 381 states and 586 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:47,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:49,665 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 03:15:50,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:50,118 INFO L93 Difference]: Finished difference Result 820 states and 1265 transitions. [2022-02-15 03:15:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:50,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-02-15 03:15:50,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:50,119 INFO L225 Difference]: With dead ends: 820 [2022-02-15 03:15:50,119 INFO L226 Difference]: Without dead ends: 465 [2022-02-15 03:15:50,120 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 03:15:50,121 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 61 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:50,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 479 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-02-15 03:15:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-02-15 03:15:50,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 424. [2022-02-15 03:15:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 419 states have (on average 1.5489260143198091) internal successors, (649), 419 states have internal predecessors, (649), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 653 transitions. [2022-02-15 03:15:50,148 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 653 transitions. Word has length 131 [2022-02-15 03:15:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:50,149 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 653 transitions. [2022-02-15 03:15:50,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 653 transitions. [2022-02-15 03:15:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-15 03:15:50,150 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:50,150 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] [2022-02-15 03:15:50,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 03:15:50,151 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:50,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:50,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1479033589, now seen corresponding path program 1 times [2022-02-15 03:15:50,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:50,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314308269] [2022-02-15 03:15:50,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:50,175 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:50,175 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:50,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:50,182 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:50,277 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 03:15:50,278 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:50,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314308269] [2022-02-15 03:15:50,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1314308269] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:50,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:50,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:50,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957841909] [2022-02-15 03:15:50,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:50,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:50,278 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:50,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:50,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:50,279 INFO L87 Difference]: Start difference. First operand 424 states and 653 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:51,320 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 03:15:53,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:15:54,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:54,463 INFO L93 Difference]: Finished difference Result 938 states and 1446 transitions. [2022-02-15 03:15:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:54,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-02-15 03:15:54,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:54,465 INFO L225 Difference]: With dead ends: 938 [2022-02-15 03:15:54,465 INFO L226 Difference]: Without dead ends: 540 [2022-02-15 03:15:54,466 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 03:15:54,466 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 109 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:54,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 345 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 03:15:54,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-02-15 03:15:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 467. [2022-02-15 03:15:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 462 states have (on average 1.5541125541125542) internal successors, (718), 462 states have internal predecessors, (718), 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 03:15:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 722 transitions. [2022-02-15 03:15:54,495 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 722 transitions. Word has length 131 [2022-02-15 03:15:54,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:54,495 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 722 transitions. [2022-02-15 03:15:54,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:15:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 722 transitions. [2022-02-15 03:15:54,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-15 03:15:54,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:54,497 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] [2022-02-15 03:15:54,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 03:15:54,497 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:54,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:54,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1172288449, now seen corresponding path program 1 times [2022-02-15 03:15:54,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:54,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209019565] [2022-02-15 03:15:54,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:54,523 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:54,523 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:54,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:54,547 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:54,670 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 03:15:54,671 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:54,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209019565] [2022-02-15 03:15:54,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [209019565] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:54,671 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:54,671 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:54,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703514473] [2022-02-15 03:15:54,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:54,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:54,672 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:54,673 INFO L87 Difference]: Start difference. First operand 467 states and 722 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 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 03:15:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:15:57,844 INFO L93 Difference]: Finished difference Result 984 states and 1520 transitions. [2022-02-15 03:15:57,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:15:57,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 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 132 [2022-02-15 03:15:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:15:57,846 INFO L225 Difference]: With dead ends: 984 [2022-02-15 03:15:57,846 INFO L226 Difference]: Without dead ends: 541 [2022-02-15 03:15:57,847 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 03:15:57,848 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 110 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:15:57,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 364 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 03:15:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-02-15 03:15:57,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 469. [2022-02-15 03:15:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 464 states have (on average 1.5538793103448276) internal successors, (721), 464 states have internal predecessors, (721), 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 03:15:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 725 transitions. [2022-02-15 03:15:57,875 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 725 transitions. Word has length 132 [2022-02-15 03:15:57,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:15:57,876 INFO L470 AbstractCegarLoop]: Abstraction has 469 states and 725 transitions. [2022-02-15 03:15:57,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 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 03:15:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 725 transitions. [2022-02-15 03:15:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 03:15:57,877 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:15:57,877 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] [2022-02-15 03:15:57,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-15 03:15:57,877 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:15:57,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:15:57,878 INFO L85 PathProgramCache]: Analyzing trace with hash -656088139, now seen corresponding path program 1 times [2022-02-15 03:15:57,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:15:57,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696713516] [2022-02-15 03:15:57,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:15:57,899 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:15:57,899 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:15:57,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:15:57,906 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:15:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:15:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:15:57,991 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 03:15:57,991 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:15:57,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696713516] [2022-02-15 03:15:57,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1696713516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:15:57,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:15:57,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:15:57,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900582887] [2022-02-15 03:15:57,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:15:57,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:15:57,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:15:57,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:15:57,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:15:57,992 INFO L87 Difference]: Start difference. First operand 469 states and 725 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 03:15:59,860 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 03:16:01,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:02,351 INFO L93 Difference]: Finished difference Result 953 states and 1475 transitions. [2022-02-15 03:16:02,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:02,360 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 03:16:02,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:02,361 INFO L225 Difference]: With dead ends: 953 [2022-02-15 03:16:02,361 INFO L226 Difference]: Without dead ends: 510 [2022-02-15 03:16:02,363 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 03:16:02,364 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 71 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:02,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 485 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 03:16:02,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-02-15 03:16:02,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 469. [2022-02-15 03:16:02,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 464 states have (on average 1.5517241379310345) internal successors, (720), 464 states have internal predecessors, (720), 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 03:16:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 724 transitions. [2022-02-15 03:16:02,392 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 724 transitions. Word has length 144 [2022-02-15 03:16:02,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:02,393 INFO L470 AbstractCegarLoop]: Abstraction has 469 states and 724 transitions. [2022-02-15 03:16:02,393 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 03:16:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 724 transitions. [2022-02-15 03:16:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 03:16:02,394 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:02,394 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] [2022-02-15 03:16:02,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 03:16:02,394 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:02,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:02,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1712819341, now seen corresponding path program 1 times [2022-02-15 03:16:02,394 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:02,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805598702] [2022-02-15 03:16:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:02,418 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:02,419 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:02,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:02,427 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:02,524 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 03:16:02,525 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:02,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805598702] [2022-02-15 03:16:02,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [805598702] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:02,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:02,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:02,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120569049] [2022-02-15 03:16:02,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:02,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:02,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:02,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:02,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:02,526 INFO L87 Difference]: Start difference. First operand 469 states and 724 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 03:16:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:05,152 INFO L93 Difference]: Finished difference Result 1026 states and 1584 transitions. [2022-02-15 03:16:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:05,152 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 03:16:05,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:05,154 INFO L225 Difference]: With dead ends: 1026 [2022-02-15 03:16:05,154 INFO L226 Difference]: Without dead ends: 583 [2022-02-15 03:16:05,156 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 03:16:05,156 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 121 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:05,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 366 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 03:16:05,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2022-02-15 03:16:05,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 499. [2022-02-15 03:16:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 494 states have (on average 1.5445344129554657) internal successors, (763), 494 states have internal predecessors, (763), 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 03:16:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 767 transitions. [2022-02-15 03:16:05,211 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 767 transitions. Word has length 144 [2022-02-15 03:16:05,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:05,211 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 767 transitions. [2022-02-15 03:16:05,211 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 03:16:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 767 transitions. [2022-02-15 03:16:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-15 03:16:05,213 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:05,213 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] [2022-02-15 03:16:05,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 03:16:05,213 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:05,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:05,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1991108744, now seen corresponding path program 1 times [2022-02-15 03:16:05,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:05,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842510077] [2022-02-15 03:16:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:05,254 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:05,254 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:05,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:05,261 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:05,359 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 03:16:05,359 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:05,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842510077] [2022-02-15 03:16:05,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1842510077] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:05,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:05,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:05,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975943955] [2022-02-15 03:16:05,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:05,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:05,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:05,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:05,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:05,360 INFO L87 Difference]: Start difference. First operand 499 states and 767 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 03:16:06,500 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 03:16:08,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:08,376 INFO L93 Difference]: Finished difference Result 1044 states and 1603 transitions. [2022-02-15 03:16:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:08,376 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 03:16:08,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:08,378 INFO L225 Difference]: With dead ends: 1044 [2022-02-15 03:16:08,378 INFO L226 Difference]: Without dead ends: 571 [2022-02-15 03:16:08,379 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 03:16:08,379 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 120 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:08,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 366 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-02-15 03:16:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-02-15 03:16:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 499. [2022-02-15 03:16:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 494 states have (on average 1.5303643724696356) internal successors, (756), 494 states have internal predecessors, (756), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 760 transitions. [2022-02-15 03:16:08,417 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 760 transitions. Word has length 145 [2022-02-15 03:16:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:08,418 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 760 transitions. [2022-02-15 03:16:08,418 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 03:16:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 760 transitions. [2022-02-15 03:16:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 03:16:08,419 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:08,419 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:08,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 03:16:08,419 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:08,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:08,419 INFO L85 PathProgramCache]: Analyzing trace with hash -26861719, now seen corresponding path program 1 times [2022-02-15 03:16:08,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:08,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [415084781] [2022-02-15 03:16:08,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:08,461 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:08,462 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:08,470 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:08,562 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 03:16:08,563 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:08,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [415084781] [2022-02-15 03:16:08,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [415084781] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:08,563 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:08,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:08,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831176494] [2022-02-15 03:16:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:08,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:08,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:08,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:08,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:08,564 INFO L87 Difference]: Start difference. First operand 499 states and 760 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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 03:16:10,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:11,366 INFO L93 Difference]: Finished difference Result 1001 states and 1530 transitions. [2022-02-15 03:16:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:11,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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 147 [2022-02-15 03:16:11,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:11,368 INFO L225 Difference]: With dead ends: 1001 [2022-02-15 03:16:11,368 INFO L226 Difference]: Without dead ends: 528 [2022-02-15 03:16:11,369 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 03:16:11,369 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 76 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:11,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 495 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-02-15 03:16:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-02-15 03:16:11,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 499. [2022-02-15 03:16:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 494 states have (on average 1.5283400809716599) internal successors, (755), 494 states have internal predecessors, (755), 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 03:16:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 759 transitions. [2022-02-15 03:16:11,399 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 759 transitions. Word has length 147 [2022-02-15 03:16:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:11,399 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 759 transitions. [2022-02-15 03:16:11,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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 03:16:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 759 transitions. [2022-02-15 03:16:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 03:16:11,400 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:11,400 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, 1, 1, 1] [2022-02-15 03:16:11,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 03:16:11,401 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:11,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:11,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1440283122, now seen corresponding path program 1 times [2022-02-15 03:16:11,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:11,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943364106] [2022-02-15 03:16:11,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:11,432 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:11,432 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:11,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:11,441 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:11,585 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 03:16:11,585 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:11,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943364106] [2022-02-15 03:16:11,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1943364106] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:11,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:11,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:11,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672142998] [2022-02-15 03:16:11,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:11,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:11,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:11,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:11,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:11,586 INFO L87 Difference]: Start difference. First operand 499 states and 759 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 03:16:14,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:16,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:17,084 WARN L534 Checker$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 03:16:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:17,508 INFO L93 Difference]: Finished difference Result 1001 states and 1528 transitions. [2022-02-15 03:16:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:17,509 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 03:16:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:17,511 INFO L225 Difference]: With dead ends: 1001 [2022-02-15 03:16:17,511 INFO L226 Difference]: Without dead ends: 528 [2022-02-15 03:16:17,512 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 03:16:17,512 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 62 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:17,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 523 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 496 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-02-15 03:16:17,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-02-15 03:16:17,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 499. [2022-02-15 03:16:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 494 states have (on average 1.5263157894736843) internal successors, (754), 494 states have internal predecessors, (754), 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 03:16:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 758 transitions. [2022-02-15 03:16:17,544 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 758 transitions. Word has length 147 [2022-02-15 03:16:17,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:17,544 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 758 transitions. [2022-02-15 03:16:17,544 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 03:16:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 758 transitions. [2022-02-15 03:16:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 03:16:17,546 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:17,546 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:16:17,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 03:16:17,546 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:17,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:17,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1004179179, now seen corresponding path program 1 times [2022-02-15 03:16:17,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:17,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044354627] [2022-02-15 03:16:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:17,582 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:17,582 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:17,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:17,591 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:17,698 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 03:16:17,698 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:17,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044354627] [2022-02-15 03:16:17,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1044354627] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:17,698 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:17,698 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:17,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683613884] [2022-02-15 03:16:17,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:17,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:17,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:17,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:17,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:17,699 INFO L87 Difference]: Start difference. First operand 499 states and 758 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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 03:16:20,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:20,198 INFO L93 Difference]: Finished difference Result 1034 states and 1572 transitions. [2022-02-15 03:16:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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 147 [2022-02-15 03:16:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:20,200 INFO L225 Difference]: With dead ends: 1034 [2022-02-15 03:16:20,200 INFO L226 Difference]: Without dead ends: 561 [2022-02-15 03:16:20,201 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 03:16:20,201 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 128 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:20,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 386 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:16:20,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-02-15 03:16:20,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 499. [2022-02-15 03:16:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 494 states have (on average 1.5101214574898785) internal successors, (746), 494 states have internal predecessors, (746), 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 03:16:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 750 transitions. [2022-02-15 03:16:20,233 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 750 transitions. Word has length 147 [2022-02-15 03:16:20,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:20,234 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 750 transitions. [2022-02-15 03:16:20,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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 03:16:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 750 transitions. [2022-02-15 03:16:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 03:16:20,235 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:20,235 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, 1, 1, 1] [2022-02-15 03:16:20,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 03:16:20,235 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:20,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1823643276, now seen corresponding path program 1 times [2022-02-15 03:16:20,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:20,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279261458] [2022-02-15 03:16:20,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:20,272 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:20,272 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:20,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:20,281 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:20,377 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 03:16:20,377 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:20,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279261458] [2022-02-15 03:16:20,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [279261458] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:20,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:20,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:20,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94039963] [2022-02-15 03:16:20,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:20,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:20,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:20,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:20,379 INFO L87 Difference]: Start difference. First operand 499 states and 750 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 03:16:22,863 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 03:16:24,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:24,035 INFO L93 Difference]: Finished difference Result 1008 states and 1522 transitions. [2022-02-15 03:16:24,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:24,035 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 147 [2022-02-15 03:16:24,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:24,038 INFO L225 Difference]: With dead ends: 1008 [2022-02-15 03:16:24,038 INFO L226 Difference]: Without dead ends: 535 [2022-02-15 03:16:24,039 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 03:16:24,039 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 26 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:24,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 585 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 429 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-02-15 03:16:24,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-02-15 03:16:24,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 523. [2022-02-15 03:16:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 518 states have (on average 1.5077220077220077) internal successors, (781), 518 states have internal predecessors, (781), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 785 transitions. [2022-02-15 03:16:24,091 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 785 transitions. Word has length 147 [2022-02-15 03:16:24,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:24,091 INFO L470 AbstractCegarLoop]: Abstraction has 523 states and 785 transitions. [2022-02-15 03:16:24,091 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 03:16:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 785 transitions. [2022-02-15 03:16:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-02-15 03:16:24,093 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:24,093 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, 1, 1, 1] [2022-02-15 03:16:24,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 03:16:24,093 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:24,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:24,093 INFO L85 PathProgramCache]: Analyzing trace with hash -496817489, now seen corresponding path program 1 times [2022-02-15 03:16:24,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:24,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299112685] [2022-02-15 03:16:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:24,120 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:24,121 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:24,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:24,130 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:24,226 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 03:16:24,226 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:24,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299112685] [2022-02-15 03:16:24,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1299112685] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:24,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:24,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:24,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825757348] [2022-02-15 03:16:24,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:24,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:24,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:24,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:24,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:24,227 INFO L87 Difference]: Start difference. First operand 523 states and 785 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 03:16:26,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:26,903 INFO L93 Difference]: Finished difference Result 1082 states and 1626 transitions. [2022-02-15 03:16:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:26,903 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 03:16:26,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:26,905 INFO L225 Difference]: With dead ends: 1082 [2022-02-15 03:16:26,905 INFO L226 Difference]: Without dead ends: 585 [2022-02-15 03:16:26,906 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 03:16:26,906 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 113 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:26,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 366 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 03:16:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-02-15 03:16:26,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 523. [2022-02-15 03:16:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 518 states have (on average 1.4922779922779923) internal successors, (773), 518 states have internal predecessors, (773), 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 03:16:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 777 transitions. [2022-02-15 03:16:26,939 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 777 transitions. Word has length 148 [2022-02-15 03:16:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:26,939 INFO L470 AbstractCegarLoop]: Abstraction has 523 states and 777 transitions. [2022-02-15 03:16:26,940 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 03:16:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 777 transitions. [2022-02-15 03:16:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-02-15 03:16:26,941 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:26,941 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, 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 03:16:26,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 03:16:26,941 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:26,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash -449606774, now seen corresponding path program 1 times [2022-02-15 03:16:26,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:26,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606421195] [2022-02-15 03:16:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:26,986 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:26,987 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:26,995 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:27,107 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 03:16:27,107 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:27,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606421195] [2022-02-15 03:16:27,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1606421195] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:27,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:27,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:27,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502065392] [2022-02-15 03:16:27,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:27,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:27,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:27,109 INFO L87 Difference]: Start difference. First operand 523 states and 777 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 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 03:16:29,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:29,269 INFO L93 Difference]: Finished difference Result 1124 states and 1673 transitions. [2022-02-15 03:16:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:29,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 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 154 [2022-02-15 03:16:29,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:29,272 INFO L225 Difference]: With dead ends: 1124 [2022-02-15 03:16:29,272 INFO L226 Difference]: Without dead ends: 627 [2022-02-15 03:16:29,273 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 03:16:29,273 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 106 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:29,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 366 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-15 03:16:29,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-02-15 03:16:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 558. [2022-02-15 03:16:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 553 states have (on average 1.4864376130198915) internal successors, (822), 553 states have internal predecessors, (822), 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 03:16:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 826 transitions. [2022-02-15 03:16:29,314 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 826 transitions. Word has length 154 [2022-02-15 03:16:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:29,314 INFO L470 AbstractCegarLoop]: Abstraction has 558 states and 826 transitions. [2022-02-15 03:16:29,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 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 03:16:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 826 transitions. [2022-02-15 03:16:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-15 03:16:29,316 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:29,316 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, 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 03:16:29,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 03:16:29,316 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:29,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:29,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1662559214, now seen corresponding path program 1 times [2022-02-15 03:16:29,316 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:29,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817177190] [2022-02-15 03:16:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:29,341 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:29,341 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:29,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:29,362 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:29,451 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 03:16:29,451 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:29,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817177190] [2022-02-15 03:16:29,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [817177190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:29,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:29,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:29,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553937710] [2022-02-15 03:16:29,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:29,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:29,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:29,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:29,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:29,452 INFO L87 Difference]: Start difference. First operand 558 states and 826 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 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 03:16:32,783 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 03:16:33,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:33,698 INFO L93 Difference]: Finished difference Result 1152 states and 1708 transitions. [2022-02-15 03:16:33,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:33,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 155 [2022-02-15 03:16:33,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:33,701 INFO L225 Difference]: With dead ends: 1152 [2022-02-15 03:16:33,701 INFO L226 Difference]: Without dead ends: 620 [2022-02-15 03:16:33,702 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 03:16:33,703 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 105 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 53 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:33,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 386 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 471 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-02-15 03:16:33,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2022-02-15 03:16:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 558. [2022-02-15 03:16:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 553 states have (on average 1.4773960216998192) internal successors, (817), 553 states have internal predecessors, (817), 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 03:16:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 821 transitions. [2022-02-15 03:16:33,757 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 821 transitions. Word has length 155 [2022-02-15 03:16:33,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:33,757 INFO L470 AbstractCegarLoop]: Abstraction has 558 states and 821 transitions. [2022-02-15 03:16:33,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 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 03:16:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 821 transitions. [2022-02-15 03:16:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-02-15 03:16:33,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:33,768 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1] [2022-02-15 03:16:33,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-15 03:16:33,768 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:33,769 INFO L85 PathProgramCache]: Analyzing trace with hash 517597079, now seen corresponding path program 1 times [2022-02-15 03:16:33,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:33,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905326559] [2022-02-15 03:16:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:33,802 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:33,802 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:33,812 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:33,956 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 03:16:33,956 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:33,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905326559] [2022-02-15 03:16:33,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1905326559] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:33,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:33,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:33,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962026524] [2022-02-15 03:16:33,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:33,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:33,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:33,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:33,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:33,958 INFO L87 Difference]: Start difference. First operand 558 states and 821 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 03:16:36,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:36,550 INFO L93 Difference]: Finished difference Result 1151 states and 1697 transitions. [2022-02-15 03:16:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:36,551 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 161 [2022-02-15 03:16:36,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:36,553 INFO L225 Difference]: With dead ends: 1151 [2022-02-15 03:16:36,553 INFO L226 Difference]: Without dead ends: 619 [2022-02-15 03:16:36,554 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 03:16:36,554 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 122 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:36,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 388 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:16:36,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2022-02-15 03:16:36,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 558. [2022-02-15 03:16:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 553 states have (on average 1.4593128390596746) internal successors, (807), 553 states have internal predecessors, (807), 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 03:16:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 811 transitions. [2022-02-15 03:16:36,595 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 811 transitions. Word has length 161 [2022-02-15 03:16:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:36,595 INFO L470 AbstractCegarLoop]: Abstraction has 558 states and 811 transitions. [2022-02-15 03:16:36,595 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 03:16:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 811 transitions. [2022-02-15 03:16:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-02-15 03:16:36,596 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:36,597 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, 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] [2022-02-15 03:16:36,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-15 03:16:36,597 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:36,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:36,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1589365798, now seen corresponding path program 1 times [2022-02-15 03:16:36,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:36,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187509974] [2022-02-15 03:16:36,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:36,634 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:36,635 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:36,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:36,645 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:36,785 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 03:16:36,785 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:36,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187509974] [2022-02-15 03:16:36,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1187509974] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:36,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:36,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:36,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761711220] [2022-02-15 03:16:36,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:36,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:36,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:36,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:36,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:36,790 INFO L87 Difference]: Start difference. First operand 558 states and 811 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 03:16:38,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:39,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:41,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:41,777 INFO L93 Difference]: Finished difference Result 1108 states and 1616 transitions. [2022-02-15 03:16:41,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:41,778 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 169 [2022-02-15 03:16:41,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:41,780 INFO L225 Difference]: With dead ends: 1108 [2022-02-15 03:16:41,780 INFO L226 Difference]: Without dead ends: 576 [2022-02-15 03:16:41,781 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 03:16:41,782 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 51 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:41,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 529 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-02-15 03:16:41,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2022-02-15 03:16:41,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 558. [2022-02-15 03:16:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 553 states have (on average 1.45750452079566) internal successors, (806), 553 states have internal predecessors, (806), 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 03:16:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 810 transitions. [2022-02-15 03:16:41,840 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 810 transitions. Word has length 169 [2022-02-15 03:16:41,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:41,841 INFO L470 AbstractCegarLoop]: Abstraction has 558 states and 810 transitions. [2022-02-15 03:16:41,841 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 03:16:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 810 transitions. [2022-02-15 03:16:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-02-15 03:16:41,843 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:41,843 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, 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] [2022-02-15 03:16:41,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-15 03:16:41,843 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:41,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:41,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1101318692, now seen corresponding path program 1 times [2022-02-15 03:16:41,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:41,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685151422] [2022-02-15 03:16:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:41,901 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:41,901 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:41,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:41,929 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:42,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:42,083 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 03:16:42,083 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:42,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685151422] [2022-02-15 03:16:42,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1685151422] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:42,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:42,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:16:42,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175952531] [2022-02-15 03:16:42,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:42,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:16:42,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:16:42,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:16:42,084 INFO L87 Difference]: Start difference. First operand 558 states and 810 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 03:16:44,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:45,868 INFO L93 Difference]: Finished difference Result 1184 states and 1721 transitions. [2022-02-15 03:16:45,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:16:45,868 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 169 [2022-02-15 03:16:45,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:45,871 INFO L225 Difference]: With dead ends: 1184 [2022-02-15 03:16:45,871 INFO L226 Difference]: Without dead ends: 652 [2022-02-15 03:16:45,873 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 03:16:45,873 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 102 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:45,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 388 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 03:16:45,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-02-15 03:16:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 586. [2022-02-15 03:16:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 581 states have (on average 1.4475043029259897) internal successors, (841), 581 states have internal predecessors, (841), 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 03:16:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 845 transitions. [2022-02-15 03:16:45,923 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 845 transitions. Word has length 169 [2022-02-15 03:16:45,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:45,923 INFO L470 AbstractCegarLoop]: Abstraction has 586 states and 845 transitions. [2022-02-15 03:16:45,923 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 03:16:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 845 transitions. [2022-02-15 03:16:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-02-15 03:16:45,924 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:45,925 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] [2022-02-15 03:16:45,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-15 03:16:45,925 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:45,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:45,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1389813853, now seen corresponding path program 1 times [2022-02-15 03:16:45,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:45,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588290092] [2022-02-15 03:16:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:45,970 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:45,970 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:45,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:45,982 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:46,102 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 03:16:46,102 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:46,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588290092] [2022-02-15 03:16:46,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1588290092] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:46,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:46,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:16:46,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266493187] [2022-02-15 03:16:46,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:46,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:16:46,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:46,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:16:46,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:16:46,103 INFO L87 Difference]: Start difference. First operand 586 states and 845 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 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 03:16:47,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:50,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:50,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:50,936 INFO L93 Difference]: Finished difference Result 1699 states and 2467 transitions. [2022-02-15 03:16:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:16:50,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 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 172 [2022-02-15 03:16:50,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:50,943 INFO L225 Difference]: With dead ends: 1699 [2022-02-15 03:16:50,943 INFO L226 Difference]: Without dead ends: 1139 [2022-02-15 03:16:50,945 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 03:16:50,946 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 141 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:50,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 570 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-02-15 03:16:50,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2022-02-15 03:16:51,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1139. [2022-02-15 03:16:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1134 states have (on average 1.445326278659612) internal successors, (1639), 1134 states have internal predecessors, (1639), 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 03:16:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1643 transitions. [2022-02-15 03:16:51,057 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1643 transitions. Word has length 172 [2022-02-15 03:16:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:51,057 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 1643 transitions. [2022-02-15 03:16:51,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 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 03:16:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1643 transitions. [2022-02-15 03:16:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-02-15 03:16:51,059 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:51,059 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] [2022-02-15 03:16:51,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-15 03:16:51,059 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash -89119347, now seen corresponding path program 1 times [2022-02-15 03:16:51,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:51,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789838363] [2022-02-15 03:16:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:51,112 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:51,112 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:51,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:51,126 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:51,231 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 03:16:51,232 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:51,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789838363] [2022-02-15 03:16:51,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [789838363] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:51,232 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:51,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:16:51,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864783212] [2022-02-15 03:16:51,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:51,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:16:51,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:51,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:16:51,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:16:51,233 INFO L87 Difference]: Start difference. First operand 1139 states and 1643 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:52,288 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 03:16:54,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:54,788 INFO L93 Difference]: Finished difference Result 2770 states and 4010 transitions. [2022-02-15 03:16:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:16:54,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 173 [2022-02-15 03:16:54,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:54,794 INFO L225 Difference]: With dead ends: 2770 [2022-02-15 03:16:54,794 INFO L226 Difference]: Without dead ends: 1657 [2022-02-15 03:16:54,796 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 03:16:54,797 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 134 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:54,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 568 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 03:16:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2022-02-15 03:16:54,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1655. [2022-02-15 03:16:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1650 states have (on average 1.4448484848484848) internal successors, (2384), 1650 states have internal predecessors, (2384), 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 03:16:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2388 transitions. [2022-02-15 03:16:54,923 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2388 transitions. Word has length 173 [2022-02-15 03:16:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:54,923 INFO L470 AbstractCegarLoop]: Abstraction has 1655 states and 2388 transitions. [2022-02-15 03:16:54,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:16:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2388 transitions. [2022-02-15 03:16:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-15 03:16:54,925 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:54,925 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] [2022-02-15 03:16:54,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-15 03:16:54,925 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:54,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:54,926 INFO L85 PathProgramCache]: Analyzing trace with hash -584799743, now seen corresponding path program 1 times [2022-02-15 03:16:54,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:54,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831915642] [2022-02-15 03:16:54,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:54,974 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:54,974 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:54,985 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:55,077 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 03:16:55,078 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:55,078 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831915642] [2022-02-15 03:16:55,078 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1831915642] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:55,078 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:55,078 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:16:55,078 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179249400] [2022-02-15 03:16:55,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:55,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:16:55,078 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:55,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:16:55,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:16:55,079 INFO L87 Difference]: Start difference. First operand 1655 states and 2388 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 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 03:16:56,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:16:58,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:16:58,199 INFO L93 Difference]: Finished difference Result 3793 states and 5489 transitions. [2022-02-15 03:16:58,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:16:58,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 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 174 [2022-02-15 03:16:58,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:16:58,206 INFO L225 Difference]: With dead ends: 3793 [2022-02-15 03:16:58,206 INFO L226 Difference]: Without dead ends: 2164 [2022-02-15 03:16:58,209 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 03:16:58,209 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:16:58,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 448 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-02-15 03:16:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2022-02-15 03:16:58,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2159. [2022-02-15 03:16:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 2154 states have (on average 1.446146703806871) internal successors, (3115), 2154 states have internal predecessors, (3115), 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 03:16:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 3119 transitions. [2022-02-15 03:16:58,393 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 3119 transitions. Word has length 174 [2022-02-15 03:16:58,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:16:58,394 INFO L470 AbstractCegarLoop]: Abstraction has 2159 states and 3119 transitions. [2022-02-15 03:16:58,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 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 03:16:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3119 transitions. [2022-02-15 03:16:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-15 03:16:58,396 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:16:58,396 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] [2022-02-15 03:16:58,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-15 03:16:58,397 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:16:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:16:58,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1169571393, now seen corresponding path program 1 times [2022-02-15 03:16:58,397 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:16:58,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030817716] [2022-02-15 03:16:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:16:58,438 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:16:58,439 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:16:58,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:16:58,449 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:16:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:16:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:16:58,532 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 03:16:58,533 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:16:58,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030817716] [2022-02-15 03:16:58,533 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2030817716] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:16:58,533 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:16:58,533 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:16:58,533 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551214891] [2022-02-15 03:16:58,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:16:58,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:16:58,533 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:16:58,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:16:58,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:16:58,534 INFO L87 Difference]: Start difference. First operand 2159 states and 3119 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 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 03:17:00,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:00,158 INFO L93 Difference]: Finished difference Result 4319 states and 6245 transitions. [2022-02-15 03:17:00,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:17:00,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 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 174 [2022-02-15 03:17:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:00,165 INFO L225 Difference]: With dead ends: 4319 [2022-02-15 03:17:00,165 INFO L226 Difference]: Without dead ends: 2186 [2022-02-15 03:17:00,169 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 03:17:00,169 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:00,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 417 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-02-15 03:17:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2022-02-15 03:17:00,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2186. [2022-02-15 03:17:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 2181 states have (on average 1.4442916093535076) internal successors, (3150), 2181 states have internal predecessors, (3150), 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 03:17:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 3154 transitions. [2022-02-15 03:17:00,353 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 3154 transitions. Word has length 174 [2022-02-15 03:17:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:00,354 INFO L470 AbstractCegarLoop]: Abstraction has 2186 states and 3154 transitions. [2022-02-15 03:17:00,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 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 03:17:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 3154 transitions. [2022-02-15 03:17:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-15 03:17:00,356 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:00,356 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] [2022-02-15 03:17:00,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-15 03:17:00,356 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:00,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:00,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1434218883, now seen corresponding path program 1 times [2022-02-15 03:17:00,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:00,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134447851] [2022-02-15 03:17:00,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:00,396 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:00,396 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:00,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:00,405 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:00,509 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 03:17:00,509 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:00,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134447851] [2022-02-15 03:17:00,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [134447851] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:00,509 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:00,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 03:17:00,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405003507] [2022-02-15 03:17:00,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:00,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 03:17:00,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:00,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 03:17:00,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 03:17:00,510 INFO L87 Difference]: Start difference. First operand 2186 states and 3154 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 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 03:17:02,427 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 03:17:03,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:03,051 INFO L93 Difference]: Finished difference Result 4348 states and 6281 transitions. [2022-02-15 03:17:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 03:17:03,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 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 174 [2022-02-15 03:17:03,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:03,058 INFO L225 Difference]: With dead ends: 4348 [2022-02-15 03:17:03,058 INFO L226 Difference]: Without dead ends: 2188 [2022-02-15 03:17:03,061 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 03:17:03,062 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:03,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 396 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 03:17:03,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-02-15 03:17:03,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2022-02-15 03:17:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 2183 states have (on average 1.4438845625286303) internal successors, (3152), 2183 states have internal predecessors, (3152), 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 03:17:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3156 transitions. [2022-02-15 03:17:03,235 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3156 transitions. Word has length 174 [2022-02-15 03:17:03,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:03,236 INFO L470 AbstractCegarLoop]: Abstraction has 2188 states and 3156 transitions. [2022-02-15 03:17:03,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 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 03:17:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3156 transitions. [2022-02-15 03:17:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-02-15 03:17:03,238 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:03,238 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, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:03,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-15 03:17:03,238 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:03,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:03,238 INFO L85 PathProgramCache]: Analyzing trace with hash -473260977, now seen corresponding path program 1 times [2022-02-15 03:17:03,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:03,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786147609] [2022-02-15 03:17:03,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:03,270 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:03,271 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:03,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:03,281 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:03,385 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 03:17:03,385 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:03,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786147609] [2022-02-15 03:17:03,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [786147609] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:03,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:03,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:03,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144947648] [2022-02-15 03:17:03,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:03,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:03,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:03,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:03,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:03,386 INFO L87 Difference]: Start difference. First operand 2188 states and 3156 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 03:17:04,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:06,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:06,985 INFO L93 Difference]: Finished difference Result 4421 states and 6371 transitions. [2022-02-15 03:17:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:06,986 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 175 [2022-02-15 03:17:06,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:06,993 INFO L225 Difference]: With dead ends: 4421 [2022-02-15 03:17:06,993 INFO L226 Difference]: Without dead ends: 2261 [2022-02-15 03:17:06,997 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 03:17:06,997 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 48 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:06,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 527 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 03:17:06,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2022-02-15 03:17:07,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2188. [2022-02-15 03:17:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 2183 states have (on average 1.4420522217132388) internal successors, (3148), 2183 states have internal predecessors, (3148), 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 03:17:07,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3152 transitions. [2022-02-15 03:17:07,202 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3152 transitions. Word has length 175 [2022-02-15 03:17:07,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:07,203 INFO L470 AbstractCegarLoop]: Abstraction has 2188 states and 3152 transitions. [2022-02-15 03:17:07,203 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 03:17:07,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3152 transitions. [2022-02-15 03:17:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-02-15 03:17:07,206 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:07,206 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, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:07,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-15 03:17:07,206 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:07,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:07,206 INFO L85 PathProgramCache]: Analyzing trace with hash -131926292, now seen corresponding path program 1 times [2022-02-15 03:17:07,206 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:07,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174831939] [2022-02-15 03:17:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:07,253 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:07,254 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:07,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:07,265 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:07,415 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 03:17:07,416 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:07,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174831939] [2022-02-15 03:17:07,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1174831939] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:07,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:07,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:07,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771563799] [2022-02-15 03:17:07,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:07,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:07,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:07,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:07,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:07,417 INFO L87 Difference]: Start difference. First operand 2188 states and 3152 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:10,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:10,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:10,585 INFO L93 Difference]: Finished difference Result 4413 states and 6351 transitions. [2022-02-15 03:17:10,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:10,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 176 [2022-02-15 03:17:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:10,589 INFO L225 Difference]: With dead ends: 4413 [2022-02-15 03:17:10,589 INFO L226 Difference]: Without dead ends: 2253 [2022-02-15 03:17:10,592 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 03:17:10,592 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 45 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:10,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 533 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-02-15 03:17:10,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2022-02-15 03:17:10,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2188. [2022-02-15 03:17:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 2183 states have (on average 1.440219880897847) internal successors, (3144), 2183 states have internal predecessors, (3144), 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 03:17:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3148 transitions. [2022-02-15 03:17:10,759 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3148 transitions. Word has length 176 [2022-02-15 03:17:10,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:10,759 INFO L470 AbstractCegarLoop]: Abstraction has 2188 states and 3148 transitions. [2022-02-15 03:17:10,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3148 transitions. [2022-02-15 03:17:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-02-15 03:17:10,761 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:10,762 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, 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] [2022-02-15 03:17:10,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-15 03:17:10,762 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:10,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:10,762 INFO L85 PathProgramCache]: Analyzing trace with hash -580111629, now seen corresponding path program 1 times [2022-02-15 03:17:10,762 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:10,762 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205595499] [2022-02-15 03:17:10,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:10,815 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:10,815 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:10,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:10,826 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:10,921 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 03:17:10,921 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:10,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205595499] [2022-02-15 03:17:10,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [205595499] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:10,921 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:10,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:10,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375588711] [2022-02-15 03:17:10,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:10,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:10,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:10,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:10,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:10,922 INFO L87 Difference]: Start difference. First operand 2188 states and 3148 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 03:17:14,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:14,476 INFO L93 Difference]: Finished difference Result 4413 states and 6343 transitions. [2022-02-15 03:17:14,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:14,477 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 186 [2022-02-15 03:17:14,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:14,482 INFO L225 Difference]: With dead ends: 4413 [2022-02-15 03:17:14,483 INFO L226 Difference]: Without dead ends: 2253 [2022-02-15 03:17:14,487 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 03:17:14,488 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 38 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:14,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 533 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-02-15 03:17:14,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2022-02-15 03:17:14,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2188. [2022-02-15 03:17:14,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 2183 states have (on average 1.4383875400824553) internal successors, (3140), 2183 states have internal predecessors, (3140), 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 03:17:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3144 transitions. [2022-02-15 03:17:14,754 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3144 transitions. Word has length 186 [2022-02-15 03:17:14,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:14,754 INFO L470 AbstractCegarLoop]: Abstraction has 2188 states and 3144 transitions. [2022-02-15 03:17:14,754 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 03:17:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3144 transitions. [2022-02-15 03:17:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-02-15 03:17:14,757 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:14,757 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, 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] [2022-02-15 03:17:14,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-15 03:17:14,758 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:14,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:14,758 INFO L85 PathProgramCache]: Analyzing trace with hash 296463067, now seen corresponding path program 1 times [2022-02-15 03:17:14,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:14,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908722354] [2022-02-15 03:17:14,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:14,817 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:14,817 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:14,828 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:14,931 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 03:17:14,932 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:14,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908722354] [2022-02-15 03:17:14,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1908722354] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:14,932 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:14,932 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:14,932 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231566997] [2022-02-15 03:17:14,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:14,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:14,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:14,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:14,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:14,933 INFO L87 Difference]: Start difference. First operand 2188 states and 3144 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 03:17:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:17,705 INFO L93 Difference]: Finished difference Result 4569 states and 6552 transitions. [2022-02-15 03:17:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:17,706 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 187 [2022-02-15 03:17:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:17,710 INFO L225 Difference]: With dead ends: 4569 [2022-02-15 03:17:17,711 INFO L226 Difference]: Without dead ends: 2409 [2022-02-15 03:17:17,714 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 03:17:17,716 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 105 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:17,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 380 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:17:17,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2409 states. [2022-02-15 03:17:17,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2409 to 2188. [2022-02-15 03:17:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 2183 states have (on average 1.4278515803939533) internal successors, (3117), 2183 states have internal predecessors, (3117), 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 03:17:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3121 transitions. [2022-02-15 03:17:17,922 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3121 transitions. Word has length 187 [2022-02-15 03:17:17,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:17,923 INFO L470 AbstractCegarLoop]: Abstraction has 2188 states and 3121 transitions. [2022-02-15 03:17:17,924 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 03:17:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3121 transitions. [2022-02-15 03:17:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-15 03:17:17,927 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:17,928 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] [2022-02-15 03:17:17,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-15 03:17:17,928 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:17,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2114112199, now seen corresponding path program 1 times [2022-02-15 03:17:17,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:17,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068185667] [2022-02-15 03:17:17,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:17,973 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:17,974 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:17,986 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:18,529 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 03:17:18,529 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:18,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068185667] [2022-02-15 03:17:18,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1068185667] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:18,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:18,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 03:17:18,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467352158] [2022-02-15 03:17:18,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:18,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 03:17:18,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:18,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 03:17:18,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 03:17:18,533 INFO L87 Difference]: Start difference. First operand 2188 states and 3121 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:22,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:22,706 INFO L93 Difference]: Finished difference Result 4369 states and 6234 transitions. [2022-02-15 03:17:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 03:17:22,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 197 [2022-02-15 03:17:22,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:22,715 INFO L225 Difference]: With dead ends: 4369 [2022-02-15 03:17:22,715 INFO L226 Difference]: Without dead ends: 2188 [2022-02-15 03:17:22,718 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 03:17:22,719 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 7 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:22,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 842 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-02-15 03:17:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-02-15 03:17:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2022-02-15 03:17:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 2183 states have (on average 1.4273934951901053) internal successors, (3116), 2183 states have internal predecessors, (3116), 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 03:17:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3120 transitions. [2022-02-15 03:17:22,889 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3120 transitions. Word has length 197 [2022-02-15 03:17:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:22,889 INFO L470 AbstractCegarLoop]: Abstraction has 2188 states and 3120 transitions. [2022-02-15 03:17:22,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:17:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3120 transitions. [2022-02-15 03:17:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-15 03:17:22,891 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:22,892 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] [2022-02-15 03:17:22,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-15 03:17:22,892 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:22,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:22,892 INFO L85 PathProgramCache]: Analyzing trace with hash 395451835, now seen corresponding path program 1 times [2022-02-15 03:17:22,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:22,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782837846] [2022-02-15 03:17:22,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:22,943 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:22,944 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:22,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:22,956 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:24,094 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 03:17:24,095 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:24,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782837846] [2022-02-15 03:17:24,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [782837846] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:24,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:24,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:17:24,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836928898] [2022-02-15 03:17:24,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:24,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:17:24,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:24,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:17:24,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:17:24,096 INFO L87 Difference]: Start difference. First operand 2188 states and 3120 transitions. Second operand has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 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 03:17:27,114 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 03:17:30,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:32,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:32,333 INFO L93 Difference]: Finished difference Result 5348 states and 7634 transitions. [2022-02-15 03:17:32,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 03:17:32,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 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 197 [2022-02-15 03:17:32,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:32,339 INFO L225 Difference]: With dead ends: 5348 [2022-02-15 03:17:32,339 INFO L226 Difference]: Without dead ends: 3188 [2022-02-15 03:17:32,343 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 03:17:32,343 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 301 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:32,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 1649 Invalid, 2083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-02-15 03:17:32,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2022-02-15 03:17:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 2717. [2022-02-15 03:17:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2712 states have (on average 1.4391592920353982) internal successors, (3903), 2712 states have internal predecessors, (3903), 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 03:17:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3907 transitions. [2022-02-15 03:17:32,586 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3907 transitions. Word has length 197 [2022-02-15 03:17:32,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:32,586 INFO L470 AbstractCegarLoop]: Abstraction has 2717 states and 3907 transitions. [2022-02-15 03:17:32,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 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 03:17:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3907 transitions. [2022-02-15 03:17:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-02-15 03:17:32,595 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:32,596 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, 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] [2022-02-15 03:17:32,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-15 03:17:32,597 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:32,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:32,597 INFO L85 PathProgramCache]: Analyzing trace with hash 445371911, now seen corresponding path program 1 times [2022-02-15 03:17:32,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:32,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252960082] [2022-02-15 03:17:32,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:32,642 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:32,642 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:32,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:32,656 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:32,798 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 03:17:32,798 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:32,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252960082] [2022-02-15 03:17:32,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [252960082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:32,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:32,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:32,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44627835] [2022-02-15 03:17:32,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:32,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:32,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:32,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:32,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:32,799 INFO L87 Difference]: Start difference. First operand 2717 states and 3907 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 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 03:17:34,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:36,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:38,707 WARN L534 Checker$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 03:17:39,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:39,617 INFO L93 Difference]: Finished difference Result 5830 states and 8371 transitions. [2022-02-15 03:17:39,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:39,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 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 208 [2022-02-15 03:17:39,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:39,625 INFO L225 Difference]: With dead ends: 5830 [2022-02-15 03:17:39,625 INFO L226 Difference]: Without dead ends: 3168 [2022-02-15 03:17:39,631 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 03:17:39,631 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 102 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 50 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:39,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 398 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 468 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-02-15 03:17:39,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2022-02-15 03:17:39,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 2870. [2022-02-15 03:17:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2865 states have (on average 1.4356020942408376) internal successors, (4113), 2865 states have internal predecessors, (4113), 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 03:17:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4117 transitions. [2022-02-15 03:17:39,948 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4117 transitions. Word has length 208 [2022-02-15 03:17:39,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:39,948 INFO L470 AbstractCegarLoop]: Abstraction has 2870 states and 4117 transitions. [2022-02-15 03:17:39,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 1 states have call successors, (3), 2 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 03:17:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4117 transitions. [2022-02-15 03:17:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-02-15 03:17:39,952 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:39,952 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1] [2022-02-15 03:17:39,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-15 03:17:39,952 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:39,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:39,953 INFO L85 PathProgramCache]: Analyzing trace with hash 953842017, now seen corresponding path program 1 times [2022-02-15 03:17:39,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:39,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162801139] [2022-02-15 03:17:39,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:40,003 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:40,003 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:40,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:40,018 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:40,169 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 03:17:40,170 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:40,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162801139] [2022-02-15 03:17:40,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [162801139] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:40,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:40,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:40,170 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592283172] [2022-02-15 03:17:40,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:40,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:40,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:40,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:40,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:40,171 INFO L87 Difference]: Start difference. First operand 2870 states and 4117 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 03:17:42,179 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 03:17:43,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:43,185 INFO L93 Difference]: Finished difference Result 6150 states and 8800 transitions. [2022-02-15 03:17:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:43,185 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 216 [2022-02-15 03:17:43,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:43,193 INFO L225 Difference]: With dead ends: 6150 [2022-02-15 03:17:43,193 INFO L226 Difference]: Without dead ends: 3335 [2022-02-15 03:17:43,199 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 03:17:43,199 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 111 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:43,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 432 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 03:17:43,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2022-02-15 03:17:43,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3000. [2022-02-15 03:17:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2995 states have (on average 1.4223706176961604) internal successors, (4260), 2995 states have internal predecessors, (4260), 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 03:17:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4264 transitions. [2022-02-15 03:17:43,569 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4264 transitions. Word has length 216 [2022-02-15 03:17:43,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:43,569 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 4264 transitions. [2022-02-15 03:17:43,569 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 03:17:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4264 transitions. [2022-02-15 03:17:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-02-15 03:17:43,572 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:43,573 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 1, 1] [2022-02-15 03:17:43,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-15 03:17:43,573 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1158593562, now seen corresponding path program 1 times [2022-02-15 03:17:43,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:43,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116170010] [2022-02-15 03:17:43,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:43,629 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:43,629 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:43,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:43,643 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:43,786 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 03:17:43,786 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:43,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116170010] [2022-02-15 03:17:43,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2116170010] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:43,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:43,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:43,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624502183] [2022-02-15 03:17:43,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:43,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:43,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:43,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:43,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:43,787 INFO L87 Difference]: Start difference. First operand 3000 states and 4264 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 03:17:45,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:47,010 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 03:17:47,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:47,749 INFO L93 Difference]: Finished difference Result 5447 states and 7711 transitions. [2022-02-15 03:17:47,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:47,750 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 217 [2022-02-15 03:17:47,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:47,755 INFO L225 Difference]: With dead ends: 5447 [2022-02-15 03:17:47,756 INFO L226 Difference]: Without dead ends: 3051 [2022-02-15 03:17:47,760 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 03:17:47,761 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 52 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:47,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 590 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-02-15 03:17:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2022-02-15 03:17:48,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3000. [2022-02-15 03:17:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2995 states have (on average 1.4213689482470784) internal successors, (4257), 2995 states have internal predecessors, (4257), 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 03:17:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4261 transitions. [2022-02-15 03:17:48,097 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4261 transitions. Word has length 217 [2022-02-15 03:17:48,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:48,097 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 4261 transitions. [2022-02-15 03:17:48,097 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 03:17:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4261 transitions. [2022-02-15 03:17:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-02-15 03:17:48,101 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:48,101 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:48,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-15 03:17:48,101 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:48,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:48,101 INFO L85 PathProgramCache]: Analyzing trace with hash 60181961, now seen corresponding path program 1 times [2022-02-15 03:17:48,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:48,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385756576] [2022-02-15 03:17:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:48,162 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:48,162 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:48,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:48,175 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:48,288 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 03:17:48,288 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:48,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385756576] [2022-02-15 03:17:48,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [385756576] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:48,288 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:48,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:48,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226718838] [2022-02-15 03:17:48,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:48,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:48,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:48,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:48,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:48,289 INFO L87 Difference]: Start difference. First operand 3000 states and 4261 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 03:17:50,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:52,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:52,119 INFO L93 Difference]: Finished difference Result 6215 states and 8819 transitions. [2022-02-15 03:17:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:52,119 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 238 [2022-02-15 03:17:52,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:52,123 INFO L225 Difference]: With dead ends: 6215 [2022-02-15 03:17:52,123 INFO L226 Difference]: Without dead ends: 3270 [2022-02-15 03:17:52,128 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 03:17:52,128 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 113 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:52,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 394 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-02-15 03:17:52,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3270 states. [2022-02-15 03:17:52,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3270 to 3000. [2022-02-15 03:17:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2995 states have (on average 1.4036727879799666) internal successors, (4204), 2995 states have internal predecessors, (4204), 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 03:17:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4208 transitions. [2022-02-15 03:17:52,433 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4208 transitions. Word has length 238 [2022-02-15 03:17:52,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:52,433 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 4208 transitions. [2022-02-15 03:17:52,433 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 03:17:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4208 transitions. [2022-02-15 03:17:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-02-15 03:17:52,438 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:52,438 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:52,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-15 03:17:52,438 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:52,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:52,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1341708510, now seen corresponding path program 1 times [2022-02-15 03:17:52,439 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:52,439 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427872363] [2022-02-15 03:17:52,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:17:52,507 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:17:52,507 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:17:52,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:17:52,521 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:17:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:17:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:17:52,637 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 03:17:52,637 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:17:52,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427872363] [2022-02-15 03:17:52,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1427872363] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:17:52,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:17:52,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:17:52,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762309651] [2022-02-15 03:17:52,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:17:52,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:17:52,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:17:52,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:17:52,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:17:52,639 INFO L87 Difference]: Start difference. First operand 3000 states and 4208 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 03:17:53,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:55,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:17:56,957 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 03:17:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:17:57,708 INFO L93 Difference]: Finished difference Result 5435 states and 7595 transitions. [2022-02-15 03:17:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:17:57,708 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 239 [2022-02-15 03:17:57,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:17:57,712 INFO L225 Difference]: With dead ends: 5435 [2022-02-15 03:17:57,712 INFO L226 Difference]: Without dead ends: 3039 [2022-02-15 03:17:57,716 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 03:17:57,716 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 48 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:17:57,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 580 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-02-15 03:17:57,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2022-02-15 03:17:58,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 3000. [2022-02-15 03:17:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2995 states have (on average 1.4026711185308849) internal successors, (4201), 2995 states have internal predecessors, (4201), 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 03:17:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4205 transitions. [2022-02-15 03:17:58,025 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4205 transitions. Word has length 239 [2022-02-15 03:17:58,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:17:58,026 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 4205 transitions. [2022-02-15 03:17:58,026 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 03:17:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4205 transitions. [2022-02-15 03:17:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-02-15 03:17:58,029 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:17:58,029 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:17:58,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-15 03:17:58,029 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:17:58,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:17:58,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1900019808, now seen corresponding path program 1 times [2022-02-15 03:17:58,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:17:58,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90404030] [2022-02-15 03:17:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:18:10,926 WARN L228 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 271 DAG size of output: 217 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:18:21,481 WARN L228 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:18:23,902 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:18:23,902 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:18:23,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:18:23,934 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:18:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:18:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:18:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:18:25,060 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 03:18:25,061 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:18:25,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90404030] [2022-02-15 03:18:25,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [90404030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:18:25,061 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:18:25,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:18:25,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110136806] [2022-02-15 03:18:25,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:18:25,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:18:25,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:18:25,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:18:25,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:18:25,062 INFO L87 Difference]: Start difference. First operand 3000 states and 4205 transitions. Second operand has 10 states, 9 states have (on average 16.11111111111111) internal successors, (145), 8 states have internal predecessors, (145), 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 03:18:31,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:18:31,421 INFO L93 Difference]: Finished difference Result 6452 states and 9016 transitions. [2022-02-15 03:18:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 03:18:31,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.11111111111111) internal successors, (145), 8 states have internal predecessors, (145), 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 239 [2022-02-15 03:18:31,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:18:31,425 INFO L225 Difference]: With dead ends: 6452 [2022-02-15 03:18:31,425 INFO L226 Difference]: Without dead ends: 3507 [2022-02-15 03:18:31,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-02-15 03:18:31,430 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 454 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-15 03:18:31,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 1253 Invalid, 1612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-02-15 03:18:31,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3507 states. [2022-02-15 03:18:31,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3507 to 3000. [2022-02-15 03:18:31,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2995 states have (on average 1.4020033388981636) internal successors, (4199), 2995 states have internal predecessors, (4199), 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 03:18:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4203 transitions. [2022-02-15 03:18:31,762 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4203 transitions. Word has length 239 [2022-02-15 03:18:31,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:18:31,762 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 4203 transitions. [2022-02-15 03:18:31,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.11111111111111) internal successors, (145), 8 states have internal predecessors, (145), 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 03:18:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4203 transitions. [2022-02-15 03:18:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-02-15 03:18:31,765 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:18:31,765 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:18:31,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-15 03:18:31,766 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:18:31,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:18:31,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1233566093, now seen corresponding path program 1 times [2022-02-15 03:18:31,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:18:31,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108587005] [2022-02-15 03:18:31,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:18:43,551 WARN L228 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 271 DAG size of output: 217 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:18:53,003 WARN L228 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:18:57,343 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:18:57,344 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:18:57,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:18:57,360 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:18:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:18:58,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:18:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:18:58,425 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 03:18:58,425 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:18:58,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108587005] [2022-02-15 03:18:58,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2108587005] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:18:58,426 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:18:58,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-15 03:18:58,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507484451] [2022-02-15 03:18:58,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:18:58,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-15 03:18:58,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:18:58,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-15 03:18:58,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-15 03:18:58,427 INFO L87 Difference]: Start difference. First operand 3000 states and 4203 transitions. Second operand has 11 states, 10 states have (on average 14.6) internal successors, (146), 9 states have internal predecessors, (146), 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 03:19:03,702 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 03:19:06,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:19:06,198 INFO L93 Difference]: Finished difference Result 6160 states and 8597 transitions. [2022-02-15 03:19:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 03:19:06,199 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.6) internal successors, (146), 9 states have internal predecessors, (146), 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 240 [2022-02-15 03:19:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:19:06,203 INFO L225 Difference]: With dead ends: 6160 [2022-02-15 03:19:06,204 INFO L226 Difference]: Without dead ends: 3215 [2022-02-15 03:19:06,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-02-15 03:19:06,209 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 414 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 1878 mSolverCounterSat, 98 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 1977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1878 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:19:06,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 1507 Invalid, 1977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1878 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-02-15 03:19:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2022-02-15 03:19:06,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 2879. [2022-02-15 03:19:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2874 states have (on average 1.395963813500348) internal successors, (4012), 2874 states have internal predecessors, (4012), 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 03:19:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 4016 transitions. [2022-02-15 03:19:06,593 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 4016 transitions. Word has length 240 [2022-02-15 03:19:06,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:19:06,593 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 4016 transitions. [2022-02-15 03:19:06,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.6) internal successors, (146), 9 states have internal predecessors, (146), 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 03:19:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 4016 transitions. [2022-02-15 03:19:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-02-15 03:19:06,598 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:19:06,598 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:19:06,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-15 03:19:06,598 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:19:06,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:19:06,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1507793639, now seen corresponding path program 1 times [2022-02-15 03:19:06,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:19:06,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754276043] [2022-02-15 03:19:06,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:19:19,173 WARN L228 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 271 DAG size of output: 217 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:19:33,358 WARN L228 SmtUtils]: Spent 13.19s on a formula simplification. DAG size of input: 193 DAG size of output: 190 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:19:46,121 WARN L228 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 193 DAG size of output: 192 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:19:53,708 WARN L228 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:19:55,976 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:19:55,976 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:19:55,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:19:55,989 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:19:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:19:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:19:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:19:57,199 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 03:19:57,199 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:19:57,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754276043] [2022-02-15 03:19:57,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [754276043] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:19:57,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:19:57,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:19:57,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071874639] [2022-02-15 03:19:57,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:19:57,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:19:57,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:19:57,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:19:57,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:19:57,200 INFO L87 Difference]: Start difference. First operand 2879 states and 4016 transitions. Second operand has 10 states, 9 states have (on average 16.555555555555557) internal successors, (149), 8 states have internal predecessors, (149), 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 03:20:01,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:20:04,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:20:04,419 INFO L93 Difference]: Finished difference Result 5601 states and 7783 transitions. [2022-02-15 03:20:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 03:20:04,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.555555555555557) internal successors, (149), 8 states have internal predecessors, (149), 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 253 [2022-02-15 03:20:04,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:20:04,424 INFO L225 Difference]: With dead ends: 5601 [2022-02-15 03:20:04,424 INFO L226 Difference]: Without dead ends: 3205 [2022-02-15 03:20:04,427 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 03:20:04,427 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 283 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 1941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:20:04,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 1509 Invalid, 1941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-02-15 03:20:04,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2022-02-15 03:20:04,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 2879. [2022-02-15 03:20:04,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2874 states have (on average 1.395615866388309) internal successors, (4011), 2874 states have internal predecessors, (4011), 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 03:20:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 4015 transitions. [2022-02-15 03:20:04,744 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 4015 transitions. Word has length 253 [2022-02-15 03:20:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:20:04,745 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 4015 transitions. [2022-02-15 03:20:04,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.555555555555557) internal successors, (149), 8 states have internal predecessors, (149), 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 03:20:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 4015 transitions. [2022-02-15 03:20:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-02-15 03:20:04,748 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:20:04,748 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:20:04,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-15 03:20:04,748 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:20:04,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:20:04,749 INFO L85 PathProgramCache]: Analyzing trace with hash -613321517, now seen corresponding path program 1 times [2022-02-15 03:20:04,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:20:04,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505695179] [2022-02-15 03:20:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:20:16,642 WARN L228 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 271 DAG size of output: 217 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:20:26,126 WARN L228 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:20:28,471 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:20:28,471 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:20:28,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:20:28,486 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:20:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:20:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:20:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:20:28,657 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 03:20:28,657 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:20:28,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505695179] [2022-02-15 03:20:28,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1505695179] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:20:28,657 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:20:28,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 03:20:28,657 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036623106] [2022-02-15 03:20:28,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:20:28,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 03:20:28,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:20:28,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 03:20:28,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 03:20:28,658 INFO L87 Difference]: Start difference. First operand 2879 states and 4015 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:20:31,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:20:32,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:20:32,811 INFO L93 Difference]: Finished difference Result 5275 states and 7351 transitions. [2022-02-15 03:20:32,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 03:20:32,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 253 [2022-02-15 03:20:32,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:20:32,816 INFO L225 Difference]: With dead ends: 5275 [2022-02-15 03:20:32,816 INFO L226 Difference]: Without dead ends: 2879 [2022-02-15 03:20:32,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-15 03:20:32,820 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 148 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-15 03:20:32,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 372 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-02-15 03:20:32,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2022-02-15 03:20:33,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2879. [2022-02-15 03:20:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2874 states have (on average 1.3942240779401531) internal successors, (4007), 2874 states have internal predecessors, (4007), 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 03:20:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 4011 transitions. [2022-02-15 03:20:33,161 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 4011 transitions. Word has length 253 [2022-02-15 03:20:33,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:20:33,161 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 4011 transitions. [2022-02-15 03:20:33,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:20:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 4011 transitions. [2022-02-15 03:20:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-02-15 03:20:33,167 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:20:33,167 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 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, 1, 1] [2022-02-15 03:20:33,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-15 03:20:33,168 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:20:33,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:20:33,168 INFO L85 PathProgramCache]: Analyzing trace with hash 2144830497, now seen corresponding path program 1 times [2022-02-15 03:20:33,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:20:33,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279221961] [2022-02-15 03:20:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:20:45,719 WARN L228 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 271 DAG size of output: 217 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:20:57,310 WARN L228 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:21:00,310 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:21:00,310 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:21:00,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:21:00,328 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:21:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:21:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:00,463 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 03:21:00,463 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:21:00,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279221961] [2022-02-15 03:21:00,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [279221961] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:21:00,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:21:00,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:21:00,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532251327] [2022-02-15 03:21:00,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:21:00,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:21:00,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:21:00,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:21:00,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:21:00,464 INFO L87 Difference]: Start difference. First operand 2879 states and 4011 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:21:02,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:21:03,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:21:04,611 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 03:21:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:21:06,111 INFO L93 Difference]: Finished difference Result 5967 states and 8312 transitions. [2022-02-15 03:21:06,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:21:06,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 260 [2022-02-15 03:21:06,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:21:06,125 INFO L225 Difference]: With dead ends: 5967 [2022-02-15 03:21:06,125 INFO L226 Difference]: Without dead ends: 3143 [2022-02-15 03:21:06,156 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 03:21:06,156 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 115 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-15 03:21:06,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 431 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-02-15 03:21:06,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3143 states. [2022-02-15 03:21:06,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3143 to 2879. [2022-02-15 03:21:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2874 states have (on average 1.372999304105776) internal successors, (3946), 2874 states have internal predecessors, (3946), 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 03:21:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 3950 transitions. [2022-02-15 03:21:06,493 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 3950 transitions. Word has length 260 [2022-02-15 03:21:06,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:21:06,493 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 3950 transitions. [2022-02-15 03:21:06,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:21:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3950 transitions. [2022-02-15 03:21:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-02-15 03:21:06,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:21:06,497 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:21:06,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-15 03:21:06,497 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:21:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:21:06,498 INFO L85 PathProgramCache]: Analyzing trace with hash 479730714, now seen corresponding path program 1 times [2022-02-15 03:21:06,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:21:06,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882371072] [2022-02-15 03:21:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:21:18,780 WARN L228 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 271 DAG size of output: 217 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:21:30,278 WARN L228 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:21:32,613 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:21:32,613 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:21:32,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:21:32,628 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:21:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:21:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:32,738 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 03:21:32,738 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:21:32,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882371072] [2022-02-15 03:21:32,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1882371072] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:21:32,739 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:21:32,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:21:32,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810270240] [2022-02-15 03:21:32,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:21:32,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:21:32,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:21:32,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:21:32,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:21:32,743 INFO L87 Difference]: Start difference. First operand 2879 states and 3950 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 1 states have call successors, (3), 2 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 03:21:34,759 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 03:21:35,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:21:35,478 INFO L93 Difference]: Finished difference Result 5300 states and 7261 transitions. [2022-02-15 03:21:35,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:21:35,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 1 states have call successors, (3), 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 261 [2022-02-15 03:21:35,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:21:35,482 INFO L225 Difference]: With dead ends: 5300 [2022-02-15 03:21:35,482 INFO L226 Difference]: Without dead ends: 2904 [2022-02-15 03:21:35,485 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 03:21:35,486 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 44 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 03:21:35,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 570 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 03:21:35,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2022-02-15 03:21:35,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2879. [2022-02-15 03:21:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2874 states have (on average 1.371955462769659) internal successors, (3943), 2874 states have internal predecessors, (3943), 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 03:21:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 3947 transitions. [2022-02-15 03:21:35,834 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 3947 transitions. Word has length 261 [2022-02-15 03:21:35,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:21:35,834 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 3947 transitions. [2022-02-15 03:21:35,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 1 states have call successors, (3), 2 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 03:21:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3947 transitions. [2022-02-15 03:21:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-02-15 03:21:35,838 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:21:35,838 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:21:35,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-15 03:21:35,838 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:21:35,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:21:35,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1373329839, now seen corresponding path program 1 times [2022-02-15 03:21:35,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:21:35,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558964735] [2022-02-15 03:21:35,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:21:35,892 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:21:35,892 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:21:35,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:21:35,906 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:21:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:21:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:36,880 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 03:21:36,881 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:21:36,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558964735] [2022-02-15 03:21:36,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [558964735] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:21:36,881 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:21:36,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 03:21:36,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61286754] [2022-02-15 03:21:36,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:21:36,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 03:21:36,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:21:36,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 03:21:36,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-02-15 03:21:36,883 INFO L87 Difference]: Start difference. First operand 2879 states and 3947 transitions. Second operand has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 8 states have internal predecessors, (138), 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 03:21:41,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:21:43,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:21:43,465 INFO L93 Difference]: Finished difference Result 6041 states and 8260 transitions. [2022-02-15 03:21:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 03:21:43,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 8 states have internal predecessors, (138), 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 266 [2022-02-15 03:21:43,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:21:43,472 INFO L225 Difference]: With dead ends: 6041 [2022-02-15 03:21:43,472 INFO L226 Difference]: Without dead ends: 3217 [2022-02-15 03:21:43,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-02-15 03:21:43,480 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 361 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-15 03:21:43,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 865 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-02-15 03:21:43,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2022-02-15 03:21:43,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 2846. [2022-02-15 03:21:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 2841 states have (on average 1.371700105596621) internal successors, (3897), 2841 states have internal predecessors, (3897), 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 03:21:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3901 transitions. [2022-02-15 03:21:43,848 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3901 transitions. Word has length 266 [2022-02-15 03:21:43,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:21:43,848 INFO L470 AbstractCegarLoop]: Abstraction has 2846 states and 3901 transitions. [2022-02-15 03:21:43,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 8 states have internal predecessors, (138), 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 03:21:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3901 transitions. [2022-02-15 03:21:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-02-15 03:21:43,853 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:21:43,853 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:21:43,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-15 03:21:43,853 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:21:43,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:21:43,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1956699543, now seen corresponding path program 1 times [2022-02-15 03:21:43,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:21:43,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551691104] [2022-02-15 03:21:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:21:54,194 WARN L228 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:21:57,467 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:21:57,467 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:21:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:21:57,489 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:21:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:21:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:21:57,740 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 03:21:57,741 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:21:57,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551691104] [2022-02-15 03:21:57,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1551691104] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:21:57,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:21:57,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 03:21:57,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238584605] [2022-02-15 03:21:57,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:21:57,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 03:21:57,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:21:57,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 03:21:57,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 03:21:57,742 INFO L87 Difference]: Start difference. First operand 2846 states and 3901 transitions. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 6 states have internal predecessors, (155), 1 states have call successors, (3), 2 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 03:21:59,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 03:22:04,395 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 03:22:05,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:22:05,623 INFO L93 Difference]: Finished difference Result 6459 states and 8833 transitions. [2022-02-15 03:22:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 03:22:05,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 6 states have internal predecessors, (155), 1 states have call successors, (3), 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 277 [2022-02-15 03:22:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:22:05,628 INFO L225 Difference]: With dead ends: 6459 [2022-02-15 03:22:05,628 INFO L226 Difference]: Without dead ends: 3641 [2022-02-15 03:22:05,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-15 03:22:05,633 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 186 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 70 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-02-15 03:22:05,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 801 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 982 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-02-15 03:22:05,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3641 states. [2022-02-15 03:22:06,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3641 to 2922. [2022-02-15 03:22:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2917 states have (on average 1.3472745971888926) internal successors, (3930), 2917 states have internal predecessors, (3930), 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 03:22:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 3934 transitions. [2022-02-15 03:22:06,022 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 3934 transitions. Word has length 277 [2022-02-15 03:22:06,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:22:06,022 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 3934 transitions. [2022-02-15 03:22:06,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 6 states have internal predecessors, (155), 1 states have call successors, (3), 2 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 03:22:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3934 transitions. [2022-02-15 03:22:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-02-15 03:22:06,026 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:22:06,026 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:22:06,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-15 03:22:06,026 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:22:06,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:22:06,026 INFO L85 PathProgramCache]: Analyzing trace with hash -110787453, now seen corresponding path program 1 times [2022-02-15 03:22:06,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:22:06,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252941360] [2022-02-15 03:22:06,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:22:16,852 WARN L228 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:22:20,511 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:22:20,511 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:22:20,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:22:20,534 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:22:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:22:20,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:22:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:22:20,694 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 03:22:20,694 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:22:20,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252941360] [2022-02-15 03:22:20,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [252941360] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:22:20,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:22:20,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:22:20,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635907141] [2022-02-15 03:22:20,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:22:20,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:22:20,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:22:20,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:22:20,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:22:20,695 INFO L87 Difference]: Start difference. First operand 2922 states and 3934 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:22:22,349 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 03:22:24,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:22:24,304 INFO L93 Difference]: Finished difference Result 6167 states and 8303 transitions. [2022-02-15 03:22:24,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:22:24,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 278 [2022-02-15 03:22:24,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:22:24,309 INFO L225 Difference]: With dead ends: 6167 [2022-02-15 03:22:24,309 INFO L226 Difference]: Without dead ends: 3273 [2022-02-15 03:22:24,314 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 03:22:24,315 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 117 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-02-15 03:22:24,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 402 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-02-15 03:22:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2022-02-15 03:22:24,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 2926. [2022-02-15 03:22:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2921 states have (on average 1.3252310852447793) internal successors, (3871), 2921 states have internal predecessors, (3871), 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 03:22:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3875 transitions. [2022-02-15 03:22:24,727 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3875 transitions. Word has length 278 [2022-02-15 03:22:24,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:22:24,727 INFO L470 AbstractCegarLoop]: Abstraction has 2926 states and 3875 transitions. [2022-02-15 03:22:24,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 03:22:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3875 transitions. [2022-02-15 03:22:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-02-15 03:22:24,731 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:22:24,731 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:22:24,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-02-15 03:22:24,731 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:22:24,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:22:24,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1540110236, now seen corresponding path program 1 times [2022-02-15 03:22:24,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:22:24,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493570221] [2022-02-15 03:22:24,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:22:34,670 WARN L228 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 273 DAG size of output: 219 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 03:22:37,325 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:22:37,325 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:22:37,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:22:37,341 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:22:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:22:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 03:22:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 03:22:37,499 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 03:22:37,499 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 03:22:37,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493570221] [2022-02-15 03:22:37,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [493570221] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 03:22:37,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 03:22:37,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 03:22:37,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230728725] [2022-02-15 03:22:37,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 03:22:37,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 03:22:37,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 03:22:37,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 03:22:37,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 03:22:37,500 INFO L87 Difference]: Start difference. First operand 2926 states and 3875 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 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 03:22:40,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 03:22:40,704 INFO L93 Difference]: Finished difference Result 5638 states and 7464 transitions. [2022-02-15 03:22:40,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 03:22:40,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 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 279 [2022-02-15 03:22:40,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 03:22:40,709 INFO L225 Difference]: With dead ends: 5638 [2022-02-15 03:22:40,709 INFO L226 Difference]: Without dead ends: 2740 [2022-02-15 03:22:40,713 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 03:22:40,713 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 116 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-02-15 03:22:40,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 400 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-02-15 03:22:40,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-02-15 03:22:41,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2466. [2022-02-15 03:22:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2466 states, 2461 states have (on average 1.299471759447379) internal successors, (3198), 2461 states have internal predecessors, (3198), 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 03:22:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 3202 transitions. [2022-02-15 03:22:41,103 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 3202 transitions. Word has length 279 [2022-02-15 03:22:41,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 03:22:41,104 INFO L470 AbstractCegarLoop]: Abstraction has 2466 states and 3202 transitions. [2022-02-15 03:22:41,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 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 03:22:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 3202 transitions. [2022-02-15 03:22:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-02-15 03:22:41,108 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 03:22:41,108 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:22:41,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-02-15 03:22:41,109 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 03:22:41,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 03:22:41,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1092454683, now seen corresponding path program 1 times [2022-02-15 03:22:41,109 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 03:22:41,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869782482] [2022-02-15 03:22:41,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 03:22:41,188 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-15 03:22:41,189 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-02-15 03:22:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 03:22:41,215 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 03:22:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:22:41,851 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 03:22:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 03:22:42,355 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 03:22:42,356 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 03:22:42,361 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 03:22:42,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-02-15 03:22:42,365 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 03:22:42,369 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 03:22:42,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 03:22:42 BoogieIcfgContainer [2022-02-15 03:22:42,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 03:22:42,424 INFO L158 Benchmark]: Toolchain (without parser) took 505075.59ms. Allocated memory was 192.9MB in the beginning and 619.7MB in the end (delta: 426.8MB). Free memory was 135.5MB in the beginning and 151.7MB in the end (delta: -16.3MB). Peak memory consumption was 410.6MB. Max. memory is 8.0GB. [2022-02-15 03:22:42,424 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 03:22:42,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.99ms. Allocated memory was 192.9MB in the beginning and 297.8MB in the end (delta: 104.9MB). Free memory was 135.3MB in the beginning and 247.9MB in the end (delta: -112.6MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2022-02-15 03:22:42,424 INFO L158 Benchmark]: Boogie Preprocessor took 106.47ms. Allocated memory is still 297.8MB. Free memory was 247.9MB in the beginning and 240.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-15 03:22:42,424 INFO L158 Benchmark]: RCFGBuilder took 1681.22ms. Allocated memory is still 297.8MB. Free memory was 240.0MB in the beginning and 163.0MB in the end (delta: 77.1MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2022-02-15 03:22:42,424 INFO L158 Benchmark]: TraceAbstraction took 502617.73ms. Allocated memory was 297.8MB in the beginning and 619.7MB in the end (delta: 321.9MB). Free memory was 162.4MB in the beginning and 151.7MB in the end (delta: 10.7MB). Peak memory consumption was 333.1MB. Max. memory is 8.0GB. [2022-02-15 03:22:42,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 662.99ms. Allocated memory was 192.9MB in the beginning and 297.8MB in the end (delta: 104.9MB). Free memory was 135.3MB in the beginning and 247.9MB in the end (delta: -112.6MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 106.47ms. Allocated memory is still 297.8MB. Free memory was 247.9MB in the beginning and 240.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1681.22ms. Allocated memory is still 297.8MB. Free memory was 240.0MB in the beginning and 163.0MB in the end (delta: 77.1MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. * TraceAbstraction took 502617.73ms. Allocated memory was 297.8MB in the beginning and 619.7MB in the end (delta: 321.9MB). Free memory was 162.4MB in the beginning and 151.7MB in the end (delta: 10.7MB). Peak memory consumption was 333.1MB. 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: 1754]: 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 1465. 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 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 FALSE !(s->hit) [L1386] s->state = 8512 [L1388] s->init_num = 0 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 TRUE s->state == 8512 [L1392] EXPR s->s3 [L1392] EXPR (s->s3)->tmp.new_cipher [L1392] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1392] COND TRUE ((s->s3)->tmp.new_cipher)->algorithms & 256UL [L1393] skip = 1 [L1402] s->state = 8528 [L1403] s->init_num = 0 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 TRUE s->state == 8528 [L1407] EXPR s->s3 [L1407] EXPR (s->s3)->tmp.new_cipher [L1407] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1407] l = ((s->s3)->tmp.new_cipher)->algorithms [L1408] EXPR s->options [L1408] COND TRUE s->options & 2097152UL [L1409] EXPR s->s3 [L1409] (s->s3)->tmp.use_rsa_tmp = 1 [L1413] EXPR s->s3 [L1413] (s->s3)->tmp.use_rsa_tmp [L1413] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1431] ret = __VERIFIER_nondet_int() [L1432] COND FALSE !(ret <= 0) [L1449] s->state = 8544 [L1450] s->init_num = 0 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 TRUE s->state == 8544 [L1454] EXPR s->verify_mode [L1454] COND TRUE s->verify_mode & 1 [L1455] EXPR s->session [L1455] EXPR (s->session)->peer [L1455] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1465] EXPR s->s3 [L1465] EXPR (s->s3)->tmp.new_cipher [L1465] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1465] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1475] EXPR s->s3 [L1475] (s->s3)->tmp.cert_request = 1 [L1476] ret = __VERIFIER_nondet_int() [L1477] COND FALSE !(ret <= 0) [L1482] s->state = 8448 [L1483] EXPR s->s3 [L1483] (s->s3)->tmp.next_state = 8576 [L1484] s->init_num = 0 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 [L1506] COND FALSE !(num1 > 0L) [L1519] EXPR s->s3 [L1519] EXPR (s->s3)->tmp.next_state [L1519] s->state = (s->s3)->tmp.next_state [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 TRUE s->state == 8576 [L1523] ret = __VERIFIER_nondet_int() [L1524] COND FALSE !(ret <= 0) [L1529] COND FALSE !(ret == 2) [L1532] ret = __VERIFIER_nondet_int() [L1533] COND FALSE !(ret <= 0) [L1538] s->init_num = 0 [L1539] s->state = 8592 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 TRUE s->state == 8592 [L1544] ret = __VERIFIER_nondet_int() [L1545] COND FALSE !(ret <= 0) [L1550] s->state = 8608 [L1551] s->init_num = 0 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 TRUE s->state == 8608 [L1555] ret = __VERIFIER_nondet_int() [L1556] COND FALSE !(ret <= 0) [L1561] s->state = 8640 [L1562] s->init_num = 0 [L1713] EXPR s->s3 [L1713] EXPR (s->s3)->tmp.reuse_message [L1713] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1742] 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 [L1566] ret = __VERIFIER_nondet_int() [L1567] COND FALSE !(blastFlag == 4) [L1570] COND FALSE !(blastFlag == 7) [L1754] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 189 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 502.5s, OverallIterations: 69, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 257.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 7103 SdHoareTripleChecker+Valid, 245.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7103 mSDsluCounter, 36048 SdHoareTripleChecker+Invalid, 237.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23756 mSDsCounter, 2449 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36891 IncrementalHoareTripleChecker+Invalid, 39353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2449 mSolverCounterUnsat, 12292 mSDtfsCounter, 36891 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3000occurred in iteration=55, InterpolantAutomatonStates: 373, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.2s AutomataMinimizationTime, 68 MinimizatonAttempts, 7396 StatesRemovedByMinimization, 62 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 03:22:42,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...