/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/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 04:58:25,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:58:25,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:58:25,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 04:58:25,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 04:58:25,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 04:58:25,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 04:58:25,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 04:58:25,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 04:58:25,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 04:58:25,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 04:58:25,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 04:58:25,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:58:25,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:58:25,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:58:25,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:58:25,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:58:25,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:58:25,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:58:25,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:58:25,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:58:25,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:58:25,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:58:25,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:58:25,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 04:58:26,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:58:26,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:58:26,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:58:26,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 04:58:26,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:58:26,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:58:26,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:58:26,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:58:26,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:58:26,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:58:26,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:58:26,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:58:26,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:58:26,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:58:26,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:58:26,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:58:26,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:58:26,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:58:26,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:58:26,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:58:26,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:58:26,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:58:26,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:58:26,013 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:58:26,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:58:26,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:58:26,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:58:26,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:58:26,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:58:26,232 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:58:26,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-02-15 04:58:26,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cbd03be/70f49a048d7b413b805f532fc6f6275c/FLAG0679d79eb [2022-02-15 04:58:26,724 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:58:26,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.16.i.cil-1.c [2022-02-15 04:58:26,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cbd03be/70f49a048d7b413b805f532fc6f6275c/FLAG0679d79eb [2022-02-15 04:58:26,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14cbd03be/70f49a048d7b413b805f532fc6f6275c [2022-02-15 04:58:26,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:58:26,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:58:26,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:58:26,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:58:26,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:58:26,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:58:26" (1/1) ... [2022-02-15 04:58:26,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16277468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:26, skipping insertion in model container [2022-02-15 04:58:26,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:58:26" (1/1) ... [2022-02-15 04:58:26,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:58:26,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:58:27,131 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.16.i.cil-1.c[77378,77391] [2022-02-15 04:58:27,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:58:27,154 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:58:27,285 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.16.i.cil-1.c[77378,77391] [2022-02-15 04:58:27,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:58:27,301 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:58:27,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27 WrapperNode [2022-02-15 04:58:27,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:58:27,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:58:27,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:58:27,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:58:27,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:58:27,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:58:27,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:58:27,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:58:27,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (1/1) ... [2022-02-15 04:58:27,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:58:27,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:58:27,472 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 04:58:27,490 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 04:58:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:58:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:58:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:58:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-15 04:58:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-15 04:58:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:58:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-15 04:58:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 04:58:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 04:58:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 04:58:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:58:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:58:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:58:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:58:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 04:58:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 04:58:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 04:58:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 04:58:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 04:58:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 04:58:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:58:27,672 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:58:27,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:58:28,608 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:58:29,011 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-15 04:58:29,011 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-15 04:58:29,021 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:58:29,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:58:29,026 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 04:58:29,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:58:29 BoogieIcfgContainer [2022-02-15 04:58:29,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:58:29,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:58:29,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:58:29,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:58:29,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:58:26" (1/3) ... [2022-02-15 04:58:29,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9ac25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:58:29, skipping insertion in model container [2022-02-15 04:58:29,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:58:27" (2/3) ... [2022-02-15 04:58:29,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9ac25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:58:29, skipping insertion in model container [2022-02-15 04:58:29,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:58:29" (3/3) ... [2022-02-15 04:58:29,033 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.16.i.cil-1.c [2022-02-15 04:58:29,036 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:58:29,036 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:58:29,061 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:58:29,079 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=QVASR [2022-02-15 04:58:29,079 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:58:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 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 04:58:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-15 04:58:29,125 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:29,125 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:58:29,125 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:29,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:29,130 INFO L85 PathProgramCache]: Analyzing trace with hash -313091541, now seen corresponding path program 1 times [2022-02-15 04:58:29,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:29,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553291199] [2022-02-15 04:58:29,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:29,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:29,191 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:29,571 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 04:58:29,572 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:29,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553291199] [2022-02-15 04:58:29,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [553291199] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:29,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:29,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:29,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219837326] [2022-02-15 04:58:29,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:29,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:29,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:29,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:29,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:29,601 INFO L87 Difference]: Start difference. First operand has 166 states, 158 states have (on average 1.7215189873417722) internal successors, (272), 159 states have internal predecessors, (272), 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 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:30,740 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 04:58:32,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:33,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:35,884 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 04:58:36,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:36,524 INFO L93 Difference]: Finished difference Result 453 states and 772 transitions. [2022-02-15 04:58:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:58:36,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-02-15 04:58:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:36,534 INFO L225 Difference]: With dead ends: 453 [2022-02-15 04:58:36,534 INFO L226 Difference]: Without dead ends: 276 [2022-02-15 04:58:36,538 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 04:58:36,573 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 168 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:36,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 511 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 551 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-02-15 04:58:36,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-02-15 04:58:36,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 190. [2022-02-15 04:58:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 185 states have (on average 1.6216216216216217) internal successors, (300), 185 states have internal predecessors, (300), 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 04:58:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 304 transitions. [2022-02-15 04:58:36,631 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 304 transitions. Word has length 50 [2022-02-15 04:58:36,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:36,632 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 304 transitions. [2022-02-15 04:58:36,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 304 transitions. [2022-02-15 04:58:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-15 04:58:36,637 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:36,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:58:36,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:58:36,638 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:36,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash 25677003, now seen corresponding path program 1 times [2022-02-15 04:58:36,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:36,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727844291] [2022-02-15 04:58:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:36,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:36,646 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:36,806 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 04:58:36,807 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:36,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727844291] [2022-02-15 04:58:36,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [727844291] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:36,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:36,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:36,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926003796] [2022-02-15 04:58:36,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:36,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:36,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:36,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:36,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:36,808 INFO L87 Difference]: Start difference. First operand 190 states and 304 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:37,999 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 04:58:40,016 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 04:58:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:42,110 INFO L93 Difference]: Finished difference Result 490 states and 787 transitions. [2022-02-15 04:58:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:58:42,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-02-15 04:58:42,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:42,112 INFO L225 Difference]: With dead ends: 490 [2022-02-15 04:58:42,112 INFO L226 Difference]: Without dead ends: 315 [2022-02-15 04:58:42,113 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 04:58:42,114 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 135 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:42,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 504 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-02-15 04:58:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-15 04:58:42,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 230. [2022-02-15 04:58:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 225 states have (on average 1.6622222222222223) internal successors, (374), 225 states have internal predecessors, (374), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 378 transitions. [2022-02-15 04:58:42,128 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 378 transitions. Word has length 51 [2022-02-15 04:58:42,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:42,129 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 378 transitions. [2022-02-15 04:58:42,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 378 transitions. [2022-02-15 04:58:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-15 04:58:42,130 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:42,130 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:58:42,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:58:42,131 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:42,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:42,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1438172610, now seen corresponding path program 1 times [2022-02-15 04:58:42,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:42,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210978327] [2022-02-15 04:58:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:42,145 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:58:42,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:42,148 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:42,302 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 04:58:42,302 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:42,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210978327] [2022-02-15 04:58:42,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1210978327] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:42,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:42,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:42,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525370724] [2022-02-15 04:58:42,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:42,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:42,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:42,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:42,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:42,304 INFO L87 Difference]: Start difference. First operand 230 states and 378 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 04:58:44,320 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 04:58:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:44,675 INFO L93 Difference]: Finished difference Result 473 states and 778 transitions. [2022-02-15 04:58:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:58:44,676 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 79 [2022-02-15 04:58:44,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:44,677 INFO L225 Difference]: With dead ends: 473 [2022-02-15 04:58:44,677 INFO L226 Difference]: Without dead ends: 258 [2022-02-15 04:58:44,678 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 04:58:44,679 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 22 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:44,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 529 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 378 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 04:58:44,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-02-15 04:58:44,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 241. [2022-02-15 04:58:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.6652542372881356) internal successors, (393), 236 states have internal predecessors, (393), 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 04:58:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 397 transitions. [2022-02-15 04:58:44,690 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 397 transitions. Word has length 79 [2022-02-15 04:58:44,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:44,690 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 397 transitions. [2022-02-15 04:58:44,690 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 04:58:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 397 transitions. [2022-02-15 04:58:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-15 04:58:44,692 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:44,692 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:58:44,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 04:58:44,693 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:44,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:44,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1522485062, now seen corresponding path program 1 times [2022-02-15 04:58:44,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:44,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081503564] [2022-02-15 04:58:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:44,705 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:58:44,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:44,708 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:44,823 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 04:58:44,824 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:44,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081503564] [2022-02-15 04:58:44,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2081503564] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:44,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:44,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:44,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432110173] [2022-02-15 04:58:44,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:44,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:44,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:44,825 INFO L87 Difference]: Start difference. First operand 241 states and 397 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 04:58:46,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:49,055 WARN L534 Checker$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 04:58:51,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:51,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:51,491 INFO L93 Difference]: Finished difference Result 473 states and 777 transitions. [2022-02-15 04:58:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:58:51,492 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 92 [2022-02-15 04:58:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:51,493 INFO L225 Difference]: With dead ends: 473 [2022-02-15 04:58:51,493 INFO L226 Difference]: Without dead ends: 258 [2022-02-15 04:58:51,493 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 04:58:51,494 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 24 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:51,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 531 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 378 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-02-15 04:58:51,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-02-15 04:58:51,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 241. [2022-02-15 04:58:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.6610169491525424) internal successors, (392), 236 states have internal predecessors, (392), 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 04:58:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 396 transitions. [2022-02-15 04:58:51,502 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 396 transitions. Word has length 92 [2022-02-15 04:58:51,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:51,503 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 396 transitions. [2022-02-15 04:58:51,506 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 04:58:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 396 transitions. [2022-02-15 04:58:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-15 04:58:51,507 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:51,507 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:51,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 04:58:51,507 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:51,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:51,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1780482602, now seen corresponding path program 1 times [2022-02-15 04:58:51,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:51,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693885469] [2022-02-15 04:58:51,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:51,550 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:58:51,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:51,553 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:51,671 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 04:58:51,672 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:51,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693885469] [2022-02-15 04:58:51,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [693885469] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:51,672 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:51,672 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:51,672 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156905600] [2022-02-15 04:58:51,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:51,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:51,672 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:51,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:51,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:51,673 INFO L87 Difference]: Start difference. First operand 241 states and 396 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 04:58:52,866 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 04:58:55,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:56,269 INFO L93 Difference]: Finished difference Result 472 states and 775 transitions. [2022-02-15 04:58:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:58:56,269 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 93 [2022-02-15 04:58:56,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:56,270 INFO L225 Difference]: With dead ends: 472 [2022-02-15 04:58:56,270 INFO L226 Difference]: Without dead ends: 257 [2022-02-15 04:58:56,271 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 04:58:56,272 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 28 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:56,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 533 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-02-15 04:58:56,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-02-15 04:58:56,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 241. [2022-02-15 04:58:56,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.6567796610169492) internal successors, (391), 236 states have internal predecessors, (391), 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 04:58:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 395 transitions. [2022-02-15 04:58:56,279 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 395 transitions. Word has length 93 [2022-02-15 04:58:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:56,279 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 395 transitions. [2022-02-15 04:58:56,279 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 04:58:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 395 transitions. [2022-02-15 04:58:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-15 04:58:56,280 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:56,280 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:56,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 04:58:56,280 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:56,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:56,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1273439806, now seen corresponding path program 1 times [2022-02-15 04:58:56,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:56,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880939815] [2022-02-15 04:58:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:56,291 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:58:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:56,293 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:56,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:56,415 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 04:58:56,415 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:56,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880939815] [2022-02-15 04:58:56,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1880939815] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:56,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:56,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:56,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020051042] [2022-02-15 04:58:56,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:56,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:56,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:56,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:56,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:56,417 INFO L87 Difference]: Start difference. First operand 241 states and 395 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 04:58:57,476 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 04:58:59,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:01,518 WARN L534 Checker$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 04:59:03,541 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 04:59:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:04,142 INFO L93 Difference]: Finished difference Result 541 states and 877 transitions. [2022-02-15 04:59:04,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:04,143 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 93 [2022-02-15 04:59:04,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:04,144 INFO L225 Difference]: With dead ends: 541 [2022-02-15 04:59:04,144 INFO L226 Difference]: Without dead ends: 326 [2022-02-15 04:59:04,145 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 04:59:04,145 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 162 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 62 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:04,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 414 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 502 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2022-02-15 04:59:04,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-02-15 04:59:04,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 241. [2022-02-15 04:59:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.6440677966101696) internal successors, (388), 236 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 04:59:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 392 transitions. [2022-02-15 04:59:04,153 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 392 transitions. Word has length 93 [2022-02-15 04:59:04,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:04,153 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 392 transitions. [2022-02-15 04:59:04,153 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 04:59:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 392 transitions. [2022-02-15 04:59:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-15 04:59:04,154 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:04,154 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:59:04,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 04:59:04,154 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:04,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash 368859563, now seen corresponding path program 1 times [2022-02-15 04:59:04,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:04,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263396051] [2022-02-15 04:59:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:04,164 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:04,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:04,167 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:04,259 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 04:59:04,259 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:04,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263396051] [2022-02-15 04:59:04,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [263396051] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:04,260 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:04,260 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:04,260 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832382641] [2022-02-15 04:59:04,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:04,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:04,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:04,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:04,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:04,261 INFO L87 Difference]: Start difference. First operand 241 states and 392 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 04:59:06,271 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 04:59:06,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:06,736 INFO L93 Difference]: Finished difference Result 541 states and 872 transitions. [2022-02-15 04:59:06,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:06,737 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 93 [2022-02-15 04:59:06,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:06,738 INFO L225 Difference]: With dead ends: 541 [2022-02-15 04:59:06,738 INFO L226 Difference]: Without dead ends: 326 [2022-02-15 04:59:06,738 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 04:59:06,739 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 156 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:06,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 414 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 501 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:59:06,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-02-15 04:59:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 241. [2022-02-15 04:59:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.63135593220339) internal successors, (385), 236 states have internal predecessors, (385), 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 04:59:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 389 transitions. [2022-02-15 04:59:06,748 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 389 transitions. Word has length 93 [2022-02-15 04:59:06,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:06,748 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 389 transitions. [2022-02-15 04:59:06,748 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 04:59:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 389 transitions. [2022-02-15 04:59:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-15 04:59:06,749 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:06,749 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:59:06,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 04:59:06,749 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:06,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:06,750 INFO L85 PathProgramCache]: Analyzing trace with hash 856705802, now seen corresponding path program 1 times [2022-02-15 04:59:06,750 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:06,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20266368] [2022-02-15 04:59:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:06,766 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:06,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:06,769 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:06,865 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 04:59:06,865 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:06,867 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20266368] [2022-02-15 04:59:06,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [20266368] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:06,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:06,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:06,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695743110] [2022-02-15 04:59:06,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:06,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:06,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:06,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:06,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:06,869 INFO L87 Difference]: Start difference. First operand 241 states and 389 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 04:59:08,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:09,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:11,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:12,532 WARN L534 Checker$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 04:59:12,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:12,990 INFO L93 Difference]: Finished difference Result 540 states and 866 transitions. [2022-02-15 04:59:12,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:12,990 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 93 [2022-02-15 04:59:12,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:12,991 INFO L225 Difference]: With dead ends: 540 [2022-02-15 04:59:12,991 INFO L226 Difference]: Without dead ends: 325 [2022-02-15 04:59:12,992 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 04:59:12,992 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 154 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:12,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 416 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 502 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-02-15 04:59:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-02-15 04:59:12,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 241. [2022-02-15 04:59:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.61864406779661) internal successors, (382), 236 states have internal predecessors, (382), 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 04:59:13,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 386 transitions. [2022-02-15 04:59:13,000 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 386 transitions. Word has length 93 [2022-02-15 04:59:13,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:13,001 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 386 transitions. [2022-02-15 04:59:13,001 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 04:59:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 386 transitions. [2022-02-15 04:59:13,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-02-15 04:59:13,001 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:13,001 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:13,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 04:59:13,002 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:13,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1798395197, now seen corresponding path program 1 times [2022-02-15 04:59:13,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:13,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [252191947] [2022-02-15 04:59:13,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:13,012 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:13,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:13,015 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:13,104 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 04:59:13,104 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:13,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [252191947] [2022-02-15 04:59:13,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [252191947] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:13,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:13,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:13,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314518793] [2022-02-15 04:59:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:13,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:13,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:13,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:13,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:13,106 INFO L87 Difference]: Start difference. First operand 241 states and 386 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:15,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:17,303 WARN L534 Checker$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 04:59:18,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:18,419 INFO L93 Difference]: Finished difference Result 469 states and 756 transitions. [2022-02-15 04:59:18,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:18,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 94 [2022-02-15 04:59:18,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:18,421 INFO L225 Difference]: With dead ends: 469 [2022-02-15 04:59:18,421 INFO L226 Difference]: Without dead ends: 254 [2022-02-15 04:59:18,421 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 04:59:18,422 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 22 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:18,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 539 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 371 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-02-15 04:59:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-02-15 04:59:18,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 241. [2022-02-15 04:59:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.6144067796610169) internal successors, (381), 236 states have internal predecessors, (381), 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 04:59:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 385 transitions. [2022-02-15 04:59:18,429 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 385 transitions. Word has length 94 [2022-02-15 04:59:18,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:18,429 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 385 transitions. [2022-02-15 04:59:18,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 385 transitions. [2022-02-15 04:59:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-15 04:59:18,430 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:18,430 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:18,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 04:59:18,431 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:18,431 INFO L85 PathProgramCache]: Analyzing trace with hash -509858819, now seen corresponding path program 1 times [2022-02-15 04:59:18,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:18,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454869046] [2022-02-15 04:59:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:18,441 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:18,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:18,445 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:18,532 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 04:59:18,532 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:18,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454869046] [2022-02-15 04:59:18,533 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [454869046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:18,533 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:18,533 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:18,533 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7301869] [2022-02-15 04:59:18,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:18,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:18,533 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:18,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:18,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:18,534 INFO L87 Difference]: Start difference. First operand 241 states and 385 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:19,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:21,685 WARN L534 Checker$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 04:59:24,261 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 04:59:24,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:24,752 INFO L93 Difference]: Finished difference Result 540 states and 860 transitions. [2022-02-15 04:59:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:24,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 95 [2022-02-15 04:59:24,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:24,755 INFO L225 Difference]: With dead ends: 540 [2022-02-15 04:59:24,755 INFO L226 Difference]: Without dead ends: 325 [2022-02-15 04:59:24,756 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 04:59:24,756 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 157 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:24,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 416 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 501 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 04:59:24,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-02-15 04:59:24,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 241. [2022-02-15 04:59:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.6016949152542372) internal successors, (378), 236 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 04:59:24,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 382 transitions. [2022-02-15 04:59:24,765 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 382 transitions. Word has length 95 [2022-02-15 04:59:24,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:24,765 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 382 transitions. [2022-02-15 04:59:24,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 382 transitions. [2022-02-15 04:59:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-02-15 04:59:24,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:24,768 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:59:24,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 04:59:24,768 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:24,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:24,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2097147880, now seen corresponding path program 1 times [2022-02-15 04:59:24,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:24,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075646754] [2022-02-15 04:59:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:24,781 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:24,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:24,803 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:24,888 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 04:59:24,888 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:24,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075646754] [2022-02-15 04:59:24,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2075646754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:24,888 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:24,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:24,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746255011] [2022-02-15 04:59:24,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:24,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:24,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:24,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:24,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:24,890 INFO L87 Difference]: Start difference. First operand 241 states and 382 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:27,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:28,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:28,133 INFO L93 Difference]: Finished difference Result 540 states and 855 transitions. [2022-02-15 04:59:28,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:28,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2022-02-15 04:59:28,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:28,135 INFO L225 Difference]: With dead ends: 540 [2022-02-15 04:59:28,135 INFO L226 Difference]: Without dead ends: 325 [2022-02-15 04:59:28,136 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 04:59:28,136 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 155 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:28,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 416 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-02-15 04:59:28,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-02-15 04:59:28,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 241. [2022-02-15 04:59:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 236 states have (on average 1.5889830508474576) internal successors, (375), 236 states have internal predecessors, (375), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 379 transitions. [2022-02-15 04:59:28,144 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 379 transitions. Word has length 96 [2022-02-15 04:59:28,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:28,145 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 379 transitions. [2022-02-15 04:59:28,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 379 transitions. [2022-02-15 04:59:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-02-15 04:59:28,145 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:28,145 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:59:28,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 04:59:28,146 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:28,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:28,146 INFO L85 PathProgramCache]: Analyzing trace with hash -338685809, now seen corresponding path program 1 times [2022-02-15 04:59:28,146 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:28,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763219880] [2022-02-15 04:59:28,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:28,156 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:28,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:28,160 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:28,255 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 04:59:28,255 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:28,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763219880] [2022-02-15 04:59:28,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [763219880] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:28,256 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:28,256 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:28,256 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954477398] [2022-02-15 04:59:28,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:28,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:28,256 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:28,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:28,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:28,257 INFO L87 Difference]: Start difference. First operand 241 states and 379 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:29,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:31,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:32,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:32,912 INFO L93 Difference]: Finished difference Result 498 states and 788 transitions. [2022-02-15 04:59:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:32,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 96 [2022-02-15 04:59:32,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:32,914 INFO L225 Difference]: With dead ends: 498 [2022-02-15 04:59:32,914 INFO L226 Difference]: Without dead ends: 283 [2022-02-15 04:59:32,914 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 04:59:32,915 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 29 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:32,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 553 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-02-15 04:59:32,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-02-15 04:59:32,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 263. [2022-02-15 04:59:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.5813953488372092) internal successors, (408), 258 states have internal predecessors, (408), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 412 transitions. [2022-02-15 04:59:32,923 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 412 transitions. Word has length 96 [2022-02-15 04:59:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:32,924 INFO L470 AbstractCegarLoop]: Abstraction has 263 states and 412 transitions. [2022-02-15 04:59:32,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 412 transitions. [2022-02-15 04:59:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-15 04:59:32,924 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:32,924 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:32,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 04:59:32,925 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:32,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:32,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1276183403, now seen corresponding path program 1 times [2022-02-15 04:59:32,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:32,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083150670] [2022-02-15 04:59:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:32,938 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:32,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:32,941 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:33,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:33,072 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 04:59:33,072 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:33,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083150670] [2022-02-15 04:59:33,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1083150670] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:33,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:33,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:33,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864860126] [2022-02-15 04:59:33,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:33,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:33,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:33,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:33,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:33,073 INFO L87 Difference]: Start difference. First operand 263 states and 412 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 04:59:36,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:37,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:37,579 INFO L93 Difference]: Finished difference Result 622 states and 982 transitions. [2022-02-15 04:59:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:37,580 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 109 [2022-02-15 04:59:37,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:37,581 INFO L225 Difference]: With dead ends: 622 [2022-02-15 04:59:37,581 INFO L226 Difference]: Without dead ends: 385 [2022-02-15 04:59:37,581 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 04:59:37,582 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 154 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:37,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 660 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 621 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-02-15 04:59:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-02-15 04:59:37,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 279. [2022-02-15 04:59:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.5656934306569343) internal successors, (429), 274 states have internal predecessors, (429), 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 04:59:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 433 transitions. [2022-02-15 04:59:37,596 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 433 transitions. Word has length 109 [2022-02-15 04:59:37,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:37,596 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 433 transitions. [2022-02-15 04:59:37,596 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 04:59:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 433 transitions. [2022-02-15 04:59:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-15 04:59:37,597 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:37,597 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-15 04:59:37,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 04:59:37,597 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:37,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:37,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1655108199, now seen corresponding path program 1 times [2022-02-15 04:59:37,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:37,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779527647] [2022-02-15 04:59:37,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:37,622 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:37,625 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:37,713 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 04:59:37,713 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:37,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779527647] [2022-02-15 04:59:37,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [779527647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:37,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:37,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:37,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956554274] [2022-02-15 04:59:37,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:37,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:37,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:37,715 INFO L87 Difference]: Start difference. First operand 279 states and 433 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:40,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:42,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:44,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:44,718 INFO L93 Difference]: Finished difference Result 545 states and 852 transitions. [2022-02-15 04:59:44,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:44,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 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 110 [2022-02-15 04:59:44,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:44,719 INFO L225 Difference]: With dead ends: 545 [2022-02-15 04:59:44,719 INFO L226 Difference]: Without dead ends: 292 [2022-02-15 04:59:44,720 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 04:59:44,720 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 19 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:44,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 616 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 410 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-02-15 04:59:44,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-02-15 04:59:44,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 279. [2022-02-15 04:59:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.562043795620438) internal successors, (428), 274 states have internal predecessors, (428), 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 04:59:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 432 transitions. [2022-02-15 04:59:44,731 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 432 transitions. Word has length 110 [2022-02-15 04:59:44,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:44,731 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 432 transitions. [2022-02-15 04:59:44,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 432 transitions. [2022-02-15 04:59:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-15 04:59:44,732 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:44,732 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-15 04:59:44,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 04:59:44,733 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:44,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:44,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2008367772, now seen corresponding path program 1 times [2022-02-15 04:59:44,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:44,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249433982] [2022-02-15 04:59:44,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:44,749 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:44,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:44,753 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:44,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:44,864 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 04:59:44,864 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:44,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249433982] [2022-02-15 04:59:44,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [249433982] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:44,865 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:44,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 04:59:44,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649232768] [2022-02-15 04:59:44,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:44,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 04:59:44,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:44,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 04:59:44,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:59:44,865 INFO L87 Difference]: Start difference. First operand 279 states and 432 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:46,375 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 04:59:48,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:50,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:52,810 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 04:59:53,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:53,188 INFO L93 Difference]: Finished difference Result 541 states and 846 transitions. [2022-02-15 04:59:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 04:59:53,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (3), 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 111 [2022-02-15 04:59:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:53,189 INFO L225 Difference]: With dead ends: 541 [2022-02-15 04:59:53,189 INFO L226 Difference]: Without dead ends: 288 [2022-02-15 04:59:53,190 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 04:59:53,190 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 3 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:53,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 697 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 450 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-02-15 04:59:53,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-02-15 04:59:53,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-02-15 04:59:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.5512367491166077) internal successors, (439), 283 states have internal predecessors, (439), 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 04:59:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 443 transitions. [2022-02-15 04:59:53,206 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 443 transitions. Word has length 111 [2022-02-15 04:59:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:53,206 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 443 transitions. [2022-02-15 04:59:53,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 443 transitions. [2022-02-15 04:59:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-02-15 04:59:53,207 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:53,207 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-02-15 04:59:53,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 04:59:53,208 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:53,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1206438303, now seen corresponding path program 1 times [2022-02-15 04:59:53,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:53,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172242392] [2022-02-15 04:59:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:53,223 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:53,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:53,228 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:53,305 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 04:59:53,305 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:53,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172242392] [2022-02-15 04:59:53,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [172242392] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:53,305 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:53,305 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:53,305 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281214614] [2022-02-15 04:59:53,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:53,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:53,305 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:53,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:53,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:53,306 INFO L87 Difference]: Start difference. First operand 288 states and 443 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 04:59:55,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:57,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:59,960 WARN L534 Checker$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 05:00:00,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:00,342 INFO L93 Difference]: Finished difference Result 567 states and 878 transitions. [2022-02-15 05:00:00,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:00,343 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 112 [2022-02-15 05:00:00,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:00,344 INFO L225 Difference]: With dead ends: 567 [2022-02-15 05:00:00,344 INFO L226 Difference]: Without dead ends: 305 [2022-02-15 05:00:00,344 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 05:00:00,345 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 35 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:00,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 559 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 403 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-02-15 05:00:00,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-15 05:00:00,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 288. [2022-02-15 05:00:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.547703180212014) internal successors, (438), 283 states have internal predecessors, (438), 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 05:00:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 442 transitions. [2022-02-15 05:00:00,355 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 442 transitions. Word has length 112 [2022-02-15 05:00:00,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:00,355 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 442 transitions. [2022-02-15 05:00:00,355 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 05:00:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 442 transitions. [2022-02-15 05:00:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-15 05:00:00,356 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:00,356 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:00,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 05:00:00,356 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:00,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:00,356 INFO L85 PathProgramCache]: Analyzing trace with hash -386393460, now seen corresponding path program 1 times [2022-02-15 05:00:00,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:00,356 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078236955] [2022-02-15 05:00:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:00,382 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:00,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:00,387 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 05:00:00,512 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:00,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078236955] [2022-02-15 05:00:00,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2078236955] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:00,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:00,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:00,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442274529] [2022-02-15 05:00:00,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:00,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:00,512 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:00,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:00,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:00,513 INFO L87 Difference]: Start difference. First operand 288 states and 442 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 05:00:02,527 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 05:00:03,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:03,003 INFO L93 Difference]: Finished difference Result 719 states and 1117 transitions. [2022-02-15 05:00:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:03,004 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 118 [2022-02-15 05:00:03,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:03,005 INFO L225 Difference]: With dead ends: 719 [2022-02-15 05:00:03,005 INFO L226 Difference]: Without dead ends: 457 [2022-02-15 05:00:03,006 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 05:00:03,006 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 137 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:03,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 428 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 494 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 05:00:03,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-02-15 05:00:03,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 352. [2022-02-15 05:00:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 347 states have (on average 1.5619596541786744) internal successors, (542), 347 states have internal predecessors, (542), 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 05:00:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 546 transitions. [2022-02-15 05:00:03,024 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 546 transitions. Word has length 118 [2022-02-15 05:00:03,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:03,024 INFO L470 AbstractCegarLoop]: Abstraction has 352 states and 546 transitions. [2022-02-15 05:00:03,024 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 05:00:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 546 transitions. [2022-02-15 05:00:03,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-15 05:00:03,025 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:03,025 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, 1] [2022-02-15 05:00:03,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 05:00:03,025 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:03,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:03,025 INFO L85 PathProgramCache]: Analyzing trace with hash 170908093, now seen corresponding path program 1 times [2022-02-15 05:00:03,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:03,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420980712] [2022-02-15 05:00:03,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:03,049 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:03,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:03,054 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:03,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:03,147 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 05:00:03,148 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:03,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420980712] [2022-02-15 05:00:03,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [420980712] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:03,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:03,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:03,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806183574] [2022-02-15 05:00:03,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:03,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:03,149 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:03,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:03,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:03,149 INFO L87 Difference]: Start difference. First operand 352 states and 546 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:05,220 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 05:00:07,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:08,992 WARN L534 Checker$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 05:00:09,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:09,496 INFO L93 Difference]: Finished difference Result 761 states and 1183 transitions. [2022-02-15 05:00:09,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:09,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-02-15 05:00:09,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:09,498 INFO L225 Difference]: With dead ends: 761 [2022-02-15 05:00:09,498 INFO L226 Difference]: Without dead ends: 435 [2022-02-15 05:00:09,499 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 05:00:09,499 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 159 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:09,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 394 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-02-15 05:00:09,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-02-15 05:00:09,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 352. [2022-02-15 05:00:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 347 states have (on average 1.5446685878962536) internal successors, (536), 347 states have internal predecessors, (536), 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 05:00:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 540 transitions. [2022-02-15 05:00:09,515 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 540 transitions. Word has length 123 [2022-02-15 05:00:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:09,515 INFO L470 AbstractCegarLoop]: Abstraction has 352 states and 540 transitions. [2022-02-15 05:00:09,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 540 transitions. [2022-02-15 05:00:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-02-15 05:00:09,516 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:09,516 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:09,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 05:00:09,516 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:09,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:09,517 INFO L85 PathProgramCache]: Analyzing trace with hash 854989334, now seen corresponding path program 1 times [2022-02-15 05:00:09,517 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:09,517 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958330507] [2022-02-15 05:00:09,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:09,541 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:09,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:09,546 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:09,640 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 05:00:09,640 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:09,640 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958330507] [2022-02-15 05:00:09,640 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [958330507] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:09,640 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:09,640 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:09,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618892094] [2022-02-15 05:00:09,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:09,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:09,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:09,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:09,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:09,641 INFO L87 Difference]: Start difference. First operand 352 states and 540 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 05:00:12,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:14,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:15,005 INFO L93 Difference]: Finished difference Result 776 states and 1198 transitions. [2022-02-15 05:00:15,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:15,006 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 124 [2022-02-15 05:00:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:15,007 INFO L225 Difference]: With dead ends: 776 [2022-02-15 05:00:15,007 INFO L226 Difference]: Without dead ends: 450 [2022-02-15 05:00:15,008 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 05:00:15,008 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 89 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:15,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 529 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 523 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-02-15 05:00:15,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-02-15 05:00:15,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 391. [2022-02-15 05:00:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 386 states have (on average 1.549222797927461) internal successors, (598), 386 states have internal predecessors, (598), 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 05:00:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 602 transitions. [2022-02-15 05:00:15,049 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 602 transitions. Word has length 124 [2022-02-15 05:00:15,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:15,049 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 602 transitions. [2022-02-15 05:00:15,049 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 05:00:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 602 transitions. [2022-02-15 05:00:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-02-15 05:00:15,050 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:15,050 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:15,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 05:00:15,050 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:15,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1222347564, now seen corresponding path program 1 times [2022-02-15 05:00:15,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:15,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908088181] [2022-02-15 05:00:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:15,066 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:15,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:15,070 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:15,155 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 05:00:15,155 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:15,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908088181] [2022-02-15 05:00:15,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [908088181] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:15,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:15,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:15,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054170074] [2022-02-15 05:00:15,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:15,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:15,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:15,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:15,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:15,156 INFO L87 Difference]: Start difference. First operand 391 states and 602 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:16,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:18,222 WARN L534 Checker$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 05:00:20,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:22,272 WARN L534 Checker$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 05:00:22,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:22,659 INFO L93 Difference]: Finished difference Result 802 states and 1240 transitions. [2022-02-15 05:00:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:22,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 124 [2022-02-15 05:00:22,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:22,661 INFO L225 Difference]: With dead ends: 802 [2022-02-15 05:00:22,661 INFO L226 Difference]: Without dead ends: 437 [2022-02-15 05:00:22,661 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 05:00:22,662 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 35 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:22,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 649 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 470 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2022-02-15 05:00:22,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2022-02-15 05:00:22,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 415. [2022-02-15 05:00:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 410 states have (on average 1.5439024390243903) internal successors, (633), 410 states have internal predecessors, (633), 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 05:00:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 637 transitions. [2022-02-15 05:00:22,728 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 637 transitions. Word has length 124 [2022-02-15 05:00:22,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:22,728 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 637 transitions. [2022-02-15 05:00:22,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 637 transitions. [2022-02-15 05:00:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-02-15 05:00:22,729 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:22,729 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:22,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 05:00:22,729 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:22,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash 34595066, now seen corresponding path program 1 times [2022-02-15 05:00:22,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:22,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151057991] [2022-02-15 05:00:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:22,765 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:22,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:22,769 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:22,862 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 05:00:22,862 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:22,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151057991] [2022-02-15 05:00:22,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1151057991] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:22,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:22,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:22,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212499617] [2022-02-15 05:00:22,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:22,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:22,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:22,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:22,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:22,864 INFO L87 Difference]: Start difference. First operand 415 states and 637 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:24,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:25,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:27,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:28,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:29,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:29,222 INFO L93 Difference]: Finished difference Result 887 states and 1365 transitions. [2022-02-15 05:00:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:29,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 125 [2022-02-15 05:00:29,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:29,224 INFO L225 Difference]: With dead ends: 887 [2022-02-15 05:00:29,225 INFO L226 Difference]: Without dead ends: 498 [2022-02-15 05:00:29,225 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 05:00:29,226 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 131 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:29,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 394 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-02-15 05:00:29,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-02-15 05:00:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 415. [2022-02-15 05:00:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 410 states have (on average 1.5390243902439025) internal successors, (631), 410 states have internal predecessors, (631), 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 05:00:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 635 transitions. [2022-02-15 05:00:29,257 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 635 transitions. Word has length 125 [2022-02-15 05:00:29,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:29,257 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 635 transitions. [2022-02-15 05:00:29,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 635 transitions. [2022-02-15 05:00:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-15 05:00:29,258 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:29,258 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 05:00:29,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 05:00:29,258 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:29,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:29,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2005415765, now seen corresponding path program 1 times [2022-02-15 05:00:29,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:29,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350590893] [2022-02-15 05:00:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:29,282 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:29,287 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:29,380 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 05:00:29,381 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:29,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350590893] [2022-02-15 05:00:29,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1350590893] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:29,381 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:29,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:29,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385477047] [2022-02-15 05:00:29,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:29,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:29,381 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:29,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:29,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:29,382 INFO L87 Difference]: Start difference. First operand 415 states and 635 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 05:00:32,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:33,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:34,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:34,193 INFO L93 Difference]: Finished difference Result 927 states and 1425 transitions. [2022-02-15 05:00:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:34,193 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 05:00:34,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:34,195 INFO L225 Difference]: With dead ends: 927 [2022-02-15 05:00:34,195 INFO L226 Difference]: Without dead ends: 538 [2022-02-15 05:00:34,220 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 05:00:34,220 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 124 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:34,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 395 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 489 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-15 05:00:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-02-15 05:00:34,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 458. [2022-02-15 05:00:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 453 states have (on average 1.5452538631346577) internal successors, (700), 453 states have internal predecessors, (700), 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 05:00:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 704 transitions. [2022-02-15 05:00:34,242 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 704 transitions. Word has length 132 [2022-02-15 05:00:34,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:34,242 INFO L470 AbstractCegarLoop]: Abstraction has 458 states and 704 transitions. [2022-02-15 05:00:34,242 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 05:00:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 704 transitions. [2022-02-15 05:00:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-02-15 05:00:34,243 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:34,243 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:34,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 05:00:34,243 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:34,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash -265280145, now seen corresponding path program 1 times [2022-02-15 05:00:34,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:34,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096222078] [2022-02-15 05:00:34,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:34,268 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:34,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:34,273 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:34,374 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 05:00:34,374 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:34,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096222078] [2022-02-15 05:00:34,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1096222078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:34,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:34,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:34,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234316033] [2022-02-15 05:00:34,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:34,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:34,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:34,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:34,376 INFO L87 Difference]: Start difference. First operand 458 states and 704 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:36,387 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 05:00:36,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:36,863 INFO L93 Difference]: Finished difference Result 938 states and 1445 transitions. [2022-02-15 05:00:36,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:36,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 133 [2022-02-15 05:00:36,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:36,865 INFO L225 Difference]: With dead ends: 938 [2022-02-15 05:00:36,865 INFO L226 Difference]: Without dead ends: 506 [2022-02-15 05:00:36,866 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 05:00:36,866 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 68 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:36,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 529 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 508 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 05:00:36,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2022-02-15 05:00:36,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 462. [2022-02-15 05:00:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 457 states have (on average 1.5404814004376368) internal successors, (704), 457 states have internal predecessors, (704), 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 05:00:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 708 transitions. [2022-02-15 05:00:36,887 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 708 transitions. Word has length 133 [2022-02-15 05:00:36,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:36,887 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 708 transitions. [2022-02-15 05:00:36,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 708 transitions. [2022-02-15 05:00:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-02-15 05:00:36,888 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:36,888 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:36,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 05:00:36,888 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:36,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash 772648230, now seen corresponding path program 1 times [2022-02-15 05:00:36,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:36,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132291368] [2022-02-15 05:00:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:36,910 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:36,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:36,915 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:37,002 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 05:00:37,002 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:37,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132291368] [2022-02-15 05:00:37,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2132291368] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:37,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:37,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:37,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520509140] [2022-02-15 05:00:37,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:37,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:37,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:37,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:37,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:37,003 INFO L87 Difference]: Start difference. First operand 462 states and 708 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:38,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:40,668 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 05:00:42,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:42,031 INFO L93 Difference]: Finished difference Result 971 states and 1494 transitions. [2022-02-15 05:00:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:42,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 140 [2022-02-15 05:00:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:42,033 INFO L225 Difference]: With dead ends: 971 [2022-02-15 05:00:42,033 INFO L226 Difference]: Without dead ends: 535 [2022-02-15 05:00:42,034 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 05:00:42,034 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 148 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:42,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 438 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 489 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-02-15 05:00:42,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-02-15 05:00:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 462. [2022-02-15 05:00:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 457 states have (on average 1.5229759299781183) internal successors, (696), 457 states have internal predecessors, (696), 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 05:00:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 700 transitions. [2022-02-15 05:00:42,092 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 700 transitions. Word has length 140 [2022-02-15 05:00:42,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:42,092 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 700 transitions. [2022-02-15 05:00:42,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 700 transitions. [2022-02-15 05:00:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-15 05:00:42,093 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:42,094 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:42,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 05:00:42,094 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:42,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:42,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1180410267, now seen corresponding path program 1 times [2022-02-15 05:00:42,094 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:42,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708491851] [2022-02-15 05:00:42,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:42,143 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:42,149 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:42,267 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 05:00:42,267 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:42,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708491851] [2022-02-15 05:00:42,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1708491851] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:42,267 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:42,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:42,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237154092] [2022-02-15 05:00:42,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:42,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:42,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:42,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:42,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:42,268 INFO L87 Difference]: Start difference. First operand 462 states and 700 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 05:00:43,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:45,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:47,683 WARN L534 Checker$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 05:00:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:48,572 INFO L93 Difference]: Finished difference Result 1014 states and 1546 transitions. [2022-02-15 05:00:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:48,572 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 05:00:48,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:48,574 INFO L225 Difference]: With dead ends: 1014 [2022-02-15 05:00:48,574 INFO L226 Difference]: Without dead ends: 578 [2022-02-15 05:00:48,576 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 05:00:48,576 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 130 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 48 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:48,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 414 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 479 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-02-15 05:00:48,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-02-15 05:00:48,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 492. [2022-02-15 05:00:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 487 states have (on average 1.513347022587269) internal successors, (737), 487 states have internal predecessors, (737), 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 05:00:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 741 transitions. [2022-02-15 05:00:48,606 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 741 transitions. Word has length 145 [2022-02-15 05:00:48,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:48,606 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 741 transitions. [2022-02-15 05:00:48,607 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 05:00:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 741 transitions. [2022-02-15 05:00:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 05:00:48,608 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:48,608 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:00:48,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 05:00:48,608 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:48,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:48,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1219478277, now seen corresponding path program 1 times [2022-02-15 05:00:48,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:48,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145807503] [2022-02-15 05:00:48,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:48,642 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:48,649 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:48,764 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 05:00:48,764 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:48,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145807503] [2022-02-15 05:00:48,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2145807503] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:48,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:48,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:48,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031651440] [2022-02-15 05:00:48,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:48,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:48,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:48,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:48,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:48,766 INFO L87 Difference]: Start difference. First operand 492 states and 741 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:50,775 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 05:00:51,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:51,230 INFO L93 Difference]: Finished difference Result 1031 states and 1560 transitions. [2022-02-15 05:00:51,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:51,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-02-15 05:00:51,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:51,232 INFO L225 Difference]: With dead ends: 1031 [2022-02-15 05:00:51,232 INFO L226 Difference]: Without dead ends: 565 [2022-02-15 05:00:51,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 05:00:51,233 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 136 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:51,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 452 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 495 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 05:00:51,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2022-02-15 05:00:51,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 492. [2022-02-15 05:00:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 487 states have (on average 1.4989733059548254) internal successors, (730), 487 states have internal predecessors, (730), 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 05:00:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 734 transitions. [2022-02-15 05:00:51,285 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 734 transitions. Word has length 146 [2022-02-15 05:00:51,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:51,285 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 734 transitions. [2022-02-15 05:00:51,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 734 transitions. [2022-02-15 05:00:51,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 05:00:51,286 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:51,286 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:51,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 05:00:51,286 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:51,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:51,287 INFO L85 PathProgramCache]: Analyzing trace with hash 316453884, now seen corresponding path program 1 times [2022-02-15 05:00:51,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:51,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452431133] [2022-02-15 05:00:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:51,309 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:51,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:51,338 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:51,427 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 05:00:51,427 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:51,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452431133] [2022-02-15 05:00:51,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [452431133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:51,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:51,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:00:51,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387945069] [2022-02-15 05:00:51,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:51,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:00:51,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:51,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:00:51,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:00:51,428 INFO L87 Difference]: Start difference. First operand 492 states and 734 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:55,447 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 05:00:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:55,865 INFO L93 Difference]: Finished difference Result 990 states and 1485 transitions. [2022-02-15 05:00:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:00:55,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-02-15 05:00:55,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:55,867 INFO L225 Difference]: With dead ends: 990 [2022-02-15 05:00:55,867 INFO L226 Difference]: Without dead ends: 524 [2022-02-15 05:00:55,868 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 05:00:55,868 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 66 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:55,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 561 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 501 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-02-15 05:00:55,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-02-15 05:00:55,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 492. [2022-02-15 05:00:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 487 states have (on average 1.4969199178644763) internal successors, (729), 487 states have internal predecessors, (729), 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 05:00:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 733 transitions. [2022-02-15 05:00:55,897 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 733 transitions. Word has length 146 [2022-02-15 05:00:55,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:55,898 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 733 transitions. [2022-02-15 05:00:55,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 733 transitions. [2022-02-15 05:00:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 05:00:55,900 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:55,900 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:00:55,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 05:00:55,901 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:55,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:55,901 INFO L85 PathProgramCache]: Analyzing trace with hash -686924989, now seen corresponding path program 1 times [2022-02-15 05:00:55,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:55,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [204542406] [2022-02-15 05:00:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:55,941 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:55,948 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:56,043 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 05:00:56,043 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:56,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [204542406] [2022-02-15 05:00:56,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [204542406] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:56,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:56,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 05:00:56,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804799522] [2022-02-15 05:00:56,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:56,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 05:00:56,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 05:00:56,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 05:00:56,044 INFO L87 Difference]: Start difference. First operand 492 states and 733 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:57,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:59,347 WARN L534 Checker$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 05:01:01,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:01,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:01,785 INFO L93 Difference]: Finished difference Result 1419 states and 2133 transitions. [2022-02-15 05:01:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 05:01:01,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-02-15 05:01:01,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:01,788 INFO L225 Difference]: With dead ends: 1419 [2022-02-15 05:01:01,788 INFO L226 Difference]: Without dead ends: 953 [2022-02-15 05:01:01,789 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 05:01:01,790 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 148 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:01,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 446 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 326 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-02-15 05:01:01,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2022-02-15 05:01:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 951. [2022-02-15 05:01:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 946 states have (on average 1.4873150105708246) internal successors, (1407), 946 states have internal predecessors, (1407), 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 05:01:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1411 transitions. [2022-02-15 05:01:01,838 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1411 transitions. Word has length 146 [2022-02-15 05:01:01,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:01,838 INFO L470 AbstractCegarLoop]: Abstraction has 951 states and 1411 transitions. [2022-02-15 05:01:01,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1411 transitions. [2022-02-15 05:01:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-15 05:01:01,841 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:01,841 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:01:01,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 05:01:01,841 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:01,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:01,841 INFO L85 PathProgramCache]: Analyzing trace with hash -263278267, now seen corresponding path program 1 times [2022-02-15 05:01:01,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:01,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245855507] [2022-02-15 05:01:01,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:01,868 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:01,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:01,875 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:01,969 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 05:01:01,969 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:01,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245855507] [2022-02-15 05:01:01,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [245855507] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:01,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:01,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:01,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518039474] [2022-02-15 05:01:01,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:01,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:01,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:01,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:01,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:01,971 INFO L87 Difference]: Start difference. First operand 951 states and 1411 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:03,980 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 05:01:04,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:04,475 INFO L93 Difference]: Finished difference Result 2097 states and 3113 transitions. [2022-02-15 05:01:04,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:01:04,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2022-02-15 05:01:04,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:04,478 INFO L225 Difference]: With dead ends: 2097 [2022-02-15 05:01:04,478 INFO L226 Difference]: Without dead ends: 1172 [2022-02-15 05:01:04,481 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 05:01:04,486 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 120 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:04,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 440 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 485 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 05:01:04,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-02-15 05:01:04,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1025. [2022-02-15 05:01:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1020 states have (on average 1.4872549019607844) internal successors, (1517), 1020 states have internal predecessors, (1517), 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 05:01:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1521 transitions. [2022-02-15 05:01:04,589 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1521 transitions. Word has length 146 [2022-02-15 05:01:04,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:04,590 INFO L470 AbstractCegarLoop]: Abstraction has 1025 states and 1521 transitions. [2022-02-15 05:01:04,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1521 transitions. [2022-02-15 05:01:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-02-15 05:01:04,591 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:04,591 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, 1, 1] [2022-02-15 05:01:04,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-15 05:01:04,592 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:04,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:04,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1399952866, now seen corresponding path program 1 times [2022-02-15 05:01:04,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:04,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792583358] [2022-02-15 05:01:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:04,641 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:04,647 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:04,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:04,732 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 05:01:04,732 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:04,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792583358] [2022-02-15 05:01:04,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [792583358] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:04,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:04,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:04,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678315524] [2022-02-15 05:01:04,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:04,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:04,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:04,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:04,733 INFO L87 Difference]: Start difference. First operand 1025 states and 1521 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 05:01:05,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:07,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:09,327 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 05:01:10,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:10,720 INFO L93 Difference]: Finished difference Result 2251 states and 3338 transitions. [2022-02-15 05:01:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:01:10,721 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 149 [2022-02-15 05:01:10,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:10,724 INFO L225 Difference]: With dead ends: 2251 [2022-02-15 05:01:10,724 INFO L226 Difference]: Without dead ends: 1252 [2022-02-15 05:01:10,726 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 05:01:10,726 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 132 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:10,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 438 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 490 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-02-15 05:01:10,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2022-02-15 05:01:10,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1081. [2022-02-15 05:01:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1076 states have (on average 1.4730483271375465) internal successors, (1585), 1076 states have internal predecessors, (1585), 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 05:01:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1589 transitions. [2022-02-15 05:01:10,807 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1589 transitions. Word has length 149 [2022-02-15 05:01:10,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:10,807 INFO L470 AbstractCegarLoop]: Abstraction has 1081 states and 1589 transitions. [2022-02-15 05:01:10,807 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 05:01:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1589 transitions. [2022-02-15 05:01:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-02-15 05:01:10,809 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:10,809 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, 1, 1] [2022-02-15 05:01:10,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 05:01:10,809 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:10,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash 112372575, now seen corresponding path program 1 times [2022-02-15 05:01:10,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:10,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783896769] [2022-02-15 05:01:10,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:10,850 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:10,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:10,857 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:10,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:10,941 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 05:01:10,942 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:10,942 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783896769] [2022-02-15 05:01:10,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [783896769] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:10,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:10,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:10,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450421616] [2022-02-15 05:01:10,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:10,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:10,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:10,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:10,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:10,943 INFO L87 Difference]: Start difference. First operand 1081 states and 1589 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 05:01:12,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:13,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:15,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:16,204 INFO L93 Difference]: Finished difference Result 2183 states and 3209 transitions. [2022-02-15 05:01:16,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:01:16,205 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 150 [2022-02-15 05:01:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:16,208 INFO L225 Difference]: With dead ends: 2183 [2022-02-15 05:01:16,208 INFO L226 Difference]: Without dead ends: 1128 [2022-02-15 05:01:16,209 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 05:01:16,210 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 57 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:16,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 579 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-02-15 05:01:16,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-02-15 05:01:16,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1081. [2022-02-15 05:01:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1076 states have (on average 1.471189591078067) internal successors, (1583), 1076 states have internal predecessors, (1583), 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 05:01:16,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1587 transitions. [2022-02-15 05:01:16,281 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1587 transitions. Word has length 150 [2022-02-15 05:01:16,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:16,281 INFO L470 AbstractCegarLoop]: Abstraction has 1081 states and 1587 transitions. [2022-02-15 05:01:16,281 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 05:01:16,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1587 transitions. [2022-02-15 05:01:16,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-15 05:01:16,283 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:16,283 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:01:16,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 05:01:16,284 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:16,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:16,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1076732956, now seen corresponding path program 1 times [2022-02-15 05:01:16,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:16,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530656910] [2022-02-15 05:01:16,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:16,329 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:16,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:16,337 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:16,446 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 05:01:16,446 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:16,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530656910] [2022-02-15 05:01:16,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [530656910] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:16,447 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:16,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 05:01:16,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343948182] [2022-02-15 05:01:16,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:16,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 05:01:16,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:16,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 05:01:16,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 05:01:16,448 INFO L87 Difference]: Start difference. First operand 1081 states and 1587 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:18,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:20,042 WARN L534 Checker$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 05:01:21,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:22,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:22,101 INFO L93 Difference]: Finished difference Result 2163 states and 3181 transitions. [2022-02-15 05:01:22,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 05:01:22,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (3), 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 05:01:22,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:22,104 INFO L225 Difference]: With dead ends: 2163 [2022-02-15 05:01:22,104 INFO L226 Difference]: Without dead ends: 1108 [2022-02-15 05:01:22,106 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 05:01:22,106 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:22,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 433 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 281 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-02-15 05:01:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-02-15 05:01:22,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2022-02-15 05:01:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1103 states have (on average 1.4669084315503174) internal successors, (1618), 1103 states have internal predecessors, (1618), 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 05:01:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1622 transitions. [2022-02-15 05:01:22,168 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1622 transitions. Word has length 155 [2022-02-15 05:01:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:22,169 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 1622 transitions. [2022-02-15 05:01:22,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1622 transitions. [2022-02-15 05:01:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-15 05:01:22,170 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:22,171 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:01:22,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 05:01:22,171 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:22,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:22,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2024784922, now seen corresponding path program 1 times [2022-02-15 05:01:22,171 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:22,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572323328] [2022-02-15 05:01:22,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:22,198 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:22,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:22,205 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:22,292 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 05:01:22,292 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:22,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572323328] [2022-02-15 05:01:22,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1572323328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:22,292 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:22,292 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 05:01:22,292 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121647442] [2022-02-15 05:01:22,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:22,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 05:01:22,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:22,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 05:01:22,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 05:01:22,293 INFO L87 Difference]: Start difference. First operand 1108 states and 1622 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:23,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:25,940 INFO L93 Difference]: Finished difference Result 2192 states and 3217 transitions. [2022-02-15 05:01:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 05:01:25,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (3), 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 05:01:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:25,944 INFO L225 Difference]: With dead ends: 2192 [2022-02-15 05:01:25,944 INFO L226 Difference]: Without dead ends: 1110 [2022-02-15 05:01:25,945 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 05:01:25,946 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:25,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 412 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-02-15 05:01:25,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-02-15 05:01:26,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-02-15 05:01:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4660633484162895) internal successors, (1620), 1105 states have internal predecessors, (1620), 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 05:01:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1624 transitions. [2022-02-15 05:01:26,035 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1624 transitions. Word has length 155 [2022-02-15 05:01:26,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:26,035 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1624 transitions. [2022-02-15 05:01:26,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1624 transitions. [2022-02-15 05:01:26,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-02-15 05:01:26,037 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:26,037 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, 1, 1, 1] [2022-02-15 05:01:26,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 05:01:26,037 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:26,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:26,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2121992331, now seen corresponding path program 1 times [2022-02-15 05:01:26,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:26,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7485664] [2022-02-15 05:01:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:26,059 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:26,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:26,066 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:26,148 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 05:01:26,148 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:26,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7485664] [2022-02-15 05:01:26,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [7485664] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:26,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:26,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:26,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676948405] [2022-02-15 05:01:26,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:26,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:26,149 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:26,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:26,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:26,149 INFO L87 Difference]: Start difference. First operand 1110 states and 1624 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 05:01:27,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:30,679 WARN L534 Checker$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 05:01:32,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:33,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:33,178 INFO L93 Difference]: Finished difference Result 2240 states and 3278 transitions. [2022-02-15 05:01:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:01:33,178 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 157 [2022-02-15 05:01:33,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:33,181 INFO L225 Difference]: With dead ends: 2240 [2022-02-15 05:01:33,181 INFO L226 Difference]: Without dead ends: 1158 [2022-02-15 05:01:33,183 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 05:01:33,183 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 50 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:33,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 583 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 484 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-02-15 05:01:33,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-02-15 05:01:33,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1110. [2022-02-15 05:01:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.4642533936651583) internal successors, (1618), 1105 states have internal predecessors, (1618), 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 05:01:33,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1622 transitions. [2022-02-15 05:01:33,273 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1622 transitions. Word has length 157 [2022-02-15 05:01:33,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:33,273 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1622 transitions. [2022-02-15 05:01:33,273 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 05:01:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1622 transitions. [2022-02-15 05:01:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-02-15 05:01:33,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:33,277 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:01:33,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 05:01:33,277 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:33,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:33,278 INFO L85 PathProgramCache]: Analyzing trace with hash -808934964, now seen corresponding path program 1 times [2022-02-15 05:01:33,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:33,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292566632] [2022-02-15 05:01:33,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:33,303 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:33,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:33,311 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:33,419 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 05:01:33,419 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:33,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292566632] [2022-02-15 05:01:33,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [292566632] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:33,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:33,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 05:01:33,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646481357] [2022-02-15 05:01:33,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:33,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 05:01:33,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:33,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 05:01:33,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 05:01:33,420 INFO L87 Difference]: Start difference. First operand 1110 states and 1622 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 05:01:34,432 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 05:01:36,449 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 05:01:37,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:37,658 INFO L93 Difference]: Finished difference Result 2718 states and 3996 transitions. [2022-02-15 05:01:37,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 05:01:37,658 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 157 [2022-02-15 05:01:37,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:37,663 INFO L225 Difference]: With dead ends: 2718 [2022-02-15 05:01:37,663 INFO L226 Difference]: Without dead ends: 1636 [2022-02-15 05:01:37,664 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 05:01:37,664 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 146 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:37,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 590 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 05:01:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-02-15 05:01:37,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1630. [2022-02-15 05:01:37,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1625 states have (on average 1.464) internal successors, (2379), 1625 states have internal predecessors, (2379), 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 05:01:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2383 transitions. [2022-02-15 05:01:37,762 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2383 transitions. Word has length 157 [2022-02-15 05:01:37,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:37,762 INFO L470 AbstractCegarLoop]: Abstraction has 1630 states and 2383 transitions. [2022-02-15 05:01:37,762 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 05:01:37,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2383 transitions. [2022-02-15 05:01:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-02-15 05:01:37,764 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:37,764 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:01:37,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 05:01:37,764 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:37,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:37,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1762738487, now seen corresponding path program 1 times [2022-02-15 05:01:37,765 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:37,765 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699752587] [2022-02-15 05:01:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:37,790 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:37,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:37,797 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:37,905 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 05:01:37,905 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:37,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699752587] [2022-02-15 05:01:37,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [699752587] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:37,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:37,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:37,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534953941] [2022-02-15 05:01:37,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:37,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:37,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:37,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:37,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:37,906 INFO L87 Difference]: Start difference. First operand 1630 states and 2383 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:40,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:41,875 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 05:01:42,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:42,363 INFO L93 Difference]: Finished difference Result 3352 states and 4902 transitions. [2022-02-15 05:01:42,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:01:42,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 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 157 [2022-02-15 05:01:42,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:42,368 INFO L225 Difference]: With dead ends: 3352 [2022-02-15 05:01:42,368 INFO L226 Difference]: Without dead ends: 1750 [2022-02-15 05:01:42,370 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 05:01:42,371 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 29 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:42,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 635 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 05:01:42,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2022-02-15 05:01:42,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1708. [2022-02-15 05:01:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1703 states have (on average 1.462125660598943) internal successors, (2490), 1703 states have internal predecessors, (2490), 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 05:01:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2494 transitions. [2022-02-15 05:01:42,475 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2494 transitions. Word has length 157 [2022-02-15 05:01:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:42,475 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2494 transitions. [2022-02-15 05:01:42,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2494 transitions. [2022-02-15 05:01:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-02-15 05:01:42,478 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:42,478 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, 1, 1, 1] [2022-02-15 05:01:42,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 05:01:42,478 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:42,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1829388721, now seen corresponding path program 1 times [2022-02-15 05:01:42,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:42,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424224551] [2022-02-15 05:01:42,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:42,502 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:42,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:42,510 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:42,604 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 05:01:42,604 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:42,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424224551] [2022-02-15 05:01:42,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1424224551] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:42,605 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:42,605 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:42,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069535509] [2022-02-15 05:01:42,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:42,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:42,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:42,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:42,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:42,607 INFO L87 Difference]: Start difference. First operand 1708 states and 2494 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 05:01:43,868 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 05:01:45,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:47,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:48,803 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 05:01:49,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:49,333 INFO L93 Difference]: Finished difference Result 3594 states and 5237 transitions. [2022-02-15 05:01:49,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:01:49,334 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 158 [2022-02-15 05:01:49,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:49,338 INFO L225 Difference]: With dead ends: 3594 [2022-02-15 05:01:49,338 INFO L226 Difference]: Without dead ends: 1914 [2022-02-15 05:01:49,341 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 05:01:49,342 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 124 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:49,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 414 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 477 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-02-15 05:01:49,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2022-02-15 05:01:49,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1708. [2022-02-15 05:01:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1703 states have (on average 1.4533176746917205) internal successors, (2475), 1703 states have internal predecessors, (2475), 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 05:01:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2479 transitions. [2022-02-15 05:01:49,465 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2479 transitions. Word has length 158 [2022-02-15 05:01:49,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:49,465 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2479 transitions. [2022-02-15 05:01:49,465 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 05:01:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2479 transitions. [2022-02-15 05:01:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-02-15 05:01:49,468 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:49,468 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:01:49,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 05:01:49,468 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:49,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:49,468 INFO L85 PathProgramCache]: Analyzing trace with hash 937548188, now seen corresponding path program 1 times [2022-02-15 05:01:49,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:49,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734600910] [2022-02-15 05:01:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:49,521 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:49,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:49,543 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:49,626 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 05:01:49,627 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:49,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734600910] [2022-02-15 05:01:49,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1734600910] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:49,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:49,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:49,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516611713] [2022-02-15 05:01:49,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:49,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:49,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:49,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:49,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:49,628 INFO L87 Difference]: Start difference. First operand 1708 states and 2479 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:52,725 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 05:01:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:53,651 INFO L93 Difference]: Finished difference Result 3594 states and 5207 transitions. [2022-02-15 05:01:53,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:01:53,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 163 [2022-02-15 05:01:53,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:53,656 INFO L225 Difference]: With dead ends: 3594 [2022-02-15 05:01:53,656 INFO L226 Difference]: Without dead ends: 1914 [2022-02-15 05:01:53,658 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 05:01:53,659 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 133 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:53,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 418 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-02-15 05:01:53,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2022-02-15 05:01:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1708. [2022-02-15 05:01:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1703 states have (on average 1.4374633000587198) internal successors, (2448), 1703 states have internal predecessors, (2448), 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 05:01:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2452 transitions. [2022-02-15 05:01:53,779 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2452 transitions. Word has length 163 [2022-02-15 05:01:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:53,780 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2452 transitions. [2022-02-15 05:01:53,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2452 transitions. [2022-02-15 05:01:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-02-15 05:01:53,781 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:53,781 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:01:53,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 05:01:53,782 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:53,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1356800899, now seen corresponding path program 1 times [2022-02-15 05:01:53,782 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:53,782 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733040930] [2022-02-15 05:01:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:53,809 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:53,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:53,817 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:53,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:53,919 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 05:01:53,920 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:53,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733040930] [2022-02-15 05:01:53,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [733040930] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:53,920 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:53,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:01:53,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639626297] [2022-02-15 05:01:53,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:53,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:01:53,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:53,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:01:53,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:01:53,921 INFO L87 Difference]: Start difference. First operand 1708 states and 2452 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 05:01:54,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:56,994 WARN L534 Checker$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 05:01:59,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:01,039 WARN L534 Checker$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 05:02:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:01,536 INFO L93 Difference]: Finished difference Result 3445 states and 4943 transitions. [2022-02-15 05:02:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:01,537 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 164 [2022-02-15 05:02:01,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:01,540 INFO L225 Difference]: With dead ends: 3445 [2022-02-15 05:02:01,540 INFO L226 Difference]: Without dead ends: 1765 [2022-02-15 05:02:01,542 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 05:02:01,542 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 51 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:01,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 589 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 474 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2022-02-15 05:02:01,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-02-15 05:02:01,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1708. [2022-02-15 05:02:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1703 states have (on average 1.4357017028772754) internal successors, (2445), 1703 states have internal predecessors, (2445), 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 05:02:01,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2449 transitions. [2022-02-15 05:02:01,674 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2449 transitions. Word has length 164 [2022-02-15 05:02:01,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:01,674 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2449 transitions. [2022-02-15 05:02:01,674 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 05:02:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2449 transitions. [2022-02-15 05:02:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-02-15 05:02:01,676 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:01,676 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, 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 05:02:01,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-15 05:02:01,676 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:01,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:01,683 INFO L85 PathProgramCache]: Analyzing trace with hash -549081090, now seen corresponding path program 1 times [2022-02-15 05:02:01,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:01,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875267622] [2022-02-15 05:02:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:01,708 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:01,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:01,716 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:01,830 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 05:02:01,830 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:01,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875267622] [2022-02-15 05:02:01,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1875267622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:01,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:01,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:02:01,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59196299] [2022-02-15 05:02:01,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:01,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:02:01,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:02:01,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:02:01,831 INFO L87 Difference]: Start difference. First operand 1708 states and 2449 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:03,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:05,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:06,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:07,097 INFO L93 Difference]: Finished difference Result 3445 states and 4937 transitions. [2022-02-15 05:02:07,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:07,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 167 [2022-02-15 05:02:07,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:07,100 INFO L225 Difference]: With dead ends: 3445 [2022-02-15 05:02:07,100 INFO L226 Difference]: Without dead ends: 1765 [2022-02-15 05:02:07,102 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 05:02:07,103 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 44 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:07,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 589 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-02-15 05:02:07,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-02-15 05:02:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1708. [2022-02-15 05:02:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1703 states have (on average 1.433940105695831) internal successors, (2442), 1703 states have internal predecessors, (2442), 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 05:02:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2446 transitions. [2022-02-15 05:02:07,220 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2446 transitions. Word has length 167 [2022-02-15 05:02:07,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:07,220 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2446 transitions. [2022-02-15 05:02:07,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2446 transitions. [2022-02-15 05:02:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-02-15 05:02:07,222 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:07,222 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, 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 05:02:07,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-15 05:02:07,222 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:07,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:07,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1893864410, now seen corresponding path program 1 times [2022-02-15 05:02:07,222 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:07,222 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298668065] [2022-02-15 05:02:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:07,247 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:07,255 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:07,348 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 05:02:07,348 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:07,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298668065] [2022-02-15 05:02:07,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1298668065] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:07,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:07,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:02:07,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046781508] [2022-02-15 05:02:07,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:07,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:02:07,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:07,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:02:07,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:02:07,349 INFO L87 Difference]: Start difference. First operand 1708 states and 2446 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:09,326 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 05:02:11,345 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 05:02:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:11,800 INFO L93 Difference]: Finished difference Result 3427 states and 4908 transitions. [2022-02-15 05:02:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:11,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 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 168 [2022-02-15 05:02:11,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:11,803 INFO L225 Difference]: With dead ends: 3427 [2022-02-15 05:02:11,803 INFO L226 Difference]: Without dead ends: 1747 [2022-02-15 05:02:11,805 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 05:02:11,806 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 35 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:11,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 589 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 05:02:11,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2022-02-15 05:02:11,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1708. [2022-02-15 05:02:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1703 states have (on average 1.4321785085143863) internal successors, (2439), 1703 states have internal predecessors, (2439), 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 05:02:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2443 transitions. [2022-02-15 05:02:11,942 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2443 transitions. Word has length 168 [2022-02-15 05:02:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:11,942 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2443 transitions. [2022-02-15 05:02:11,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2443 transitions. [2022-02-15 05:02:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-02-15 05:02:11,944 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:11,958 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:02:11,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-15 05:02:11,959 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1432266785, now seen corresponding path program 1 times [2022-02-15 05:02:11,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:11,959 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167910285] [2022-02-15 05:02:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:12,008 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:12,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:12,019 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:12,395 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 05:02:12,395 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:12,395 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167910285] [2022-02-15 05:02:12,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [167910285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:12,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:12,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 05:02:12,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137601042] [2022-02-15 05:02:12,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:12,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 05:02:12,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:12,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 05:02:12,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 05:02:12,396 INFO L87 Difference]: Start difference. First operand 1708 states and 2443 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:14,005 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 05:02:16,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:18,056 WARN L534 Checker$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 05:02:19,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:21,929 WARN L534 Checker$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 05:02:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:22,902 INFO L93 Difference]: Finished difference Result 3409 states and 4878 transitions. [2022-02-15 05:02:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 05:02:22,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 177 [2022-02-15 05:02:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:22,909 INFO L225 Difference]: With dead ends: 3409 [2022-02-15 05:02:22,909 INFO L226 Difference]: Without dead ends: 1708 [2022-02-15 05:02:22,911 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 05:02:22,912 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 7 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:22,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 922 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 457 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-02-15 05:02:22,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2022-02-15 05:02:23,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1708. [2022-02-15 05:02:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1703 states have (on average 1.4315913094539048) internal successors, (2438), 1703 states have internal predecessors, (2438), 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 05:02:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2442 transitions. [2022-02-15 05:02:23,031 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2442 transitions. Word has length 177 [2022-02-15 05:02:23,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:23,031 INFO L470 AbstractCegarLoop]: Abstraction has 1708 states and 2442 transitions. [2022-02-15 05:02:23,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2442 transitions. [2022-02-15 05:02:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-02-15 05:02:23,033 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:23,033 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:02:23,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-15 05:02:23,033 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:23,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:23,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2080859555, now seen corresponding path program 1 times [2022-02-15 05:02:23,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:23,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621815038] [2022-02-15 05:02:23,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:23,076 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:23,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:23,085 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:24,005 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 05:02:24,005 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:24,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621815038] [2022-02-15 05:02:24,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [621815038] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:24,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:24,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-15 05:02:24,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211487023] [2022-02-15 05:02:24,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:24,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-15 05:02:24,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:24,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-15 05:02:24,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-02-15 05:02:24,008 INFO L87 Difference]: Start difference. First operand 1708 states and 2442 transitions. Second operand has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 10 states have internal predecessors, (163), 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 05:02:25,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:27,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:29,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:31,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:33,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:35,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:37,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:37,748 INFO L93 Difference]: Finished difference Result 6935 states and 9959 transitions. [2022-02-15 05:02:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 05:02:37,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 10 states have internal predecessors, (163), 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 177 [2022-02-15 05:02:37,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:37,758 INFO L225 Difference]: With dead ends: 6935 [2022-02-15 05:02:37,758 INFO L226 Difference]: Without dead ends: 5255 [2022-02-15 05:02:37,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2022-02-15 05:02:37,762 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 486 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 2113 mSolverCounterSat, 117 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2113 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:37,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [486 Valid, 1841 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2113 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2022-02-15 05:02:37,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2022-02-15 05:02:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 4549. [2022-02-15 05:02:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4549 states, 4544 states have (on average 1.446963028169014) internal successors, (6575), 4544 states have internal predecessors, (6575), 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 05:02:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 6579 transitions. [2022-02-15 05:02:38,131 INFO L78 Accepts]: Start accepts. Automaton has 4549 states and 6579 transitions. Word has length 177 [2022-02-15 05:02:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:38,131 INFO L470 AbstractCegarLoop]: Abstraction has 4549 states and 6579 transitions. [2022-02-15 05:02:38,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 10 states have internal predecessors, (163), 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 05:02:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 6579 transitions. [2022-02-15 05:02:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-15 05:02:38,135 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:38,135 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, 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] [2022-02-15 05:02:38,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-15 05:02:38,135 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:38,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1142511053, now seen corresponding path program 1 times [2022-02-15 05:02:38,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:38,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74046050] [2022-02-15 05:02:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:38,166 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:38,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:38,174 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:38,317 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 05:02:38,317 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:38,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74046050] [2022-02-15 05:02:38,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [74046050] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:38,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:38,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:02:38,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802846391] [2022-02-15 05:02:38,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:38,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:02:38,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:38,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:02:38,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:02:38,318 INFO L87 Difference]: Start difference. First operand 4549 states and 6579 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:40,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:42,560 WARN L534 Checker$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 05:02:43,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:43,898 INFO L93 Difference]: Finished difference Result 7846 states and 11339 transitions. [2022-02-15 05:02:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:43,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-02-15 05:02:43,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:43,926 INFO L225 Difference]: With dead ends: 7846 [2022-02-15 05:02:43,926 INFO L226 Difference]: Without dead ends: 4792 [2022-02-15 05:02:43,930 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 05:02:43,930 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 76 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:43,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 616 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-02-15 05:02:43,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2022-02-15 05:02:44,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 4549. [2022-02-15 05:02:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4549 states, 4544 states have (on average 1.4456426056338028) internal successors, (6569), 4544 states have internal predecessors, (6569), 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 05:02:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 6573 transitions. [2022-02-15 05:02:44,301 INFO L78 Accepts]: Start accepts. Automaton has 4549 states and 6573 transitions. Word has length 189 [2022-02-15 05:02:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:44,301 INFO L470 AbstractCegarLoop]: Abstraction has 4549 states and 6573 transitions. [2022-02-15 05:02:44,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 6573 transitions. [2022-02-15 05:02:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-02-15 05:02:44,305 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:44,305 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, 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] [2022-02-15 05:02:44,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-15 05:02:44,306 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:44,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:44,306 INFO L85 PathProgramCache]: Analyzing trace with hash 574094512, now seen corresponding path program 1 times [2022-02-15 05:02:44,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:44,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478801704] [2022-02-15 05:02:44,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:44,361 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:44,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:44,370 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:44,459 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 05:02:44,459 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:44,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478801704] [2022-02-15 05:02:44,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [478801704] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:44,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:44,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:02:44,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688558291] [2022-02-15 05:02:44,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:44,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:02:44,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:44,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:02:44,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:02:44,460 INFO L87 Difference]: Start difference. First operand 4549 states and 6573 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:45,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:47,677 WARN L534 Checker$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 05:02:50,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:51,073 INFO L93 Difference]: Finished difference Result 7798 states and 11252 transitions. [2022-02-15 05:02:51,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:51,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 193 [2022-02-15 05:02:51,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:51,102 INFO L225 Difference]: With dead ends: 7798 [2022-02-15 05:02:51,102 INFO L226 Difference]: Without dead ends: 4744 [2022-02-15 05:02:51,107 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 05:02:51,126 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 68 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:51,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 634 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 523 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 05:02:51,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4744 states. [2022-02-15 05:02:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 4549. [2022-02-15 05:02:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4549 states, 4544 states have (on average 1.4443221830985915) internal successors, (6563), 4544 states have internal predecessors, (6563), 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 05:02:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 6567 transitions. [2022-02-15 05:02:51,546 INFO L78 Accepts]: Start accepts. Automaton has 4549 states and 6567 transitions. Word has length 193 [2022-02-15 05:02:51,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:51,546 INFO L470 AbstractCegarLoop]: Abstraction has 4549 states and 6567 transitions. [2022-02-15 05:02:51,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:51,546 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 6567 transitions. [2022-02-15 05:02:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-15 05:02:51,550 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:51,550 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, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:02:51,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-15 05:02:51,550 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:51,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:51,551 INFO L85 PathProgramCache]: Analyzing trace with hash -153136159, now seen corresponding path program 1 times [2022-02-15 05:02:51,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:51,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746890364] [2022-02-15 05:02:51,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:51,584 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:51,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:51,608 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:51,718 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 05:02:51,719 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:51,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746890364] [2022-02-15 05:02:51,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1746890364] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:51,719 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:51,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:02:51,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164716093] [2022-02-15 05:02:51,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:51,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:02:51,719 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:51,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:02:51,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:02:51,720 INFO L87 Difference]: Start difference. First operand 4549 states and 6567 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:54,125 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 05:02:56,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:58,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:58,996 INFO L93 Difference]: Finished difference Result 9268 states and 13382 transitions. [2022-02-15 05:02:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:58,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 196 [2022-02-15 05:02:58,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:59,002 INFO L225 Difference]: With dead ends: 9268 [2022-02-15 05:02:59,002 INFO L226 Difference]: Without dead ends: 4747 [2022-02-15 05:02:59,008 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 05:02:59,008 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 39 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:59,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 618 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 477 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2022-02-15 05:02:59,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4747 states. [2022-02-15 05:02:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4747 to 4549. [2022-02-15 05:02:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4549 states, 4544 states have (on average 1.4423415492957747) internal successors, (6554), 4544 states have internal predecessors, (6554), 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 05:02:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 6558 transitions. [2022-02-15 05:02:59,404 INFO L78 Accepts]: Start accepts. Automaton has 4549 states and 6558 transitions. Word has length 196 [2022-02-15 05:02:59,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:59,405 INFO L470 AbstractCegarLoop]: Abstraction has 4549 states and 6558 transitions. [2022-02-15 05:02:59,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 6558 transitions. [2022-02-15 05:02:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-02-15 05:02:59,410 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:59,410 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:02:59,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-15 05:02:59,411 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2046526489, now seen corresponding path program 1 times [2022-02-15 05:02:59,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:59,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486382625] [2022-02-15 05:02:59,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:59,450 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:59,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:59,458 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:03:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:00,139 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 05:03:00,139 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:03:00,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486382625] [2022-02-15 05:03:00,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [486382625] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:03:00,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:03:00,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-15 05:03:00,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598863042] [2022-02-15 05:03:00,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:03:00,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 05:03:00,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:03:00,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 05:03:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-15 05:03:00,140 INFO L87 Difference]: Start difference. First operand 4549 states and 6558 transitions. Second operand has 9 states, 8 states have (on average 12.875) internal successors, (103), 7 states have internal predecessors, (103), 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 05:03:02,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:04,391 WARN L534 Checker$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 05:03:06,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:08,437 WARN L534 Checker$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 05:03:10,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:12,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:03:12,172 INFO L93 Difference]: Finished difference Result 10202 states and 14678 transitions. [2022-02-15 05:03:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 05:03:12,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 7 states have internal predecessors, (103), 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 199 [2022-02-15 05:03:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:03:12,180 INFO L225 Difference]: With dead ends: 10202 [2022-02-15 05:03:12,180 INFO L226 Difference]: Without dead ends: 5681 [2022-02-15 05:03:12,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-02-15 05:03:12,186 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 302 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 79 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-02-15 05:03:12,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 1490 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1584 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2022-02-15 05:03:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5681 states. [2022-02-15 05:03:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5681 to 4555. [2022-02-15 05:03:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4555 states, 4550 states have (on average 1.4417582417582417) internal successors, (6560), 4550 states have internal predecessors, (6560), 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 05:03:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4555 states to 4555 states and 6564 transitions. [2022-02-15 05:03:12,666 INFO L78 Accepts]: Start accepts. Automaton has 4555 states and 6564 transitions. Word has length 199 [2022-02-15 05:03:12,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:03:12,666 INFO L470 AbstractCegarLoop]: Abstraction has 4555 states and 6564 transitions. [2022-02-15 05:03:12,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 7 states have internal predecessors, (103), 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 05:03:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4555 states and 6564 transitions. [2022-02-15 05:03:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-02-15 05:03:12,670 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:03:12,670 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:03:12,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-15 05:03:12,670 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:03:12,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:03:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2129999333, now seen corresponding path program 1 times [2022-02-15 05:03:12,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:03:12,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790475276] [2022-02-15 05:03:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:03:12,707 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:03:12,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:03:12,716 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:03:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:03:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:13,446 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 05:03:13,446 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:03:13,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790475276] [2022-02-15 05:03:13,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1790475276] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:03:13,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:03:13,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 05:03:13,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173257781] [2022-02-15 05:03:13,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:03:13,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 05:03:13,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:03:13,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 05:03:13,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-15 05:03:13,447 INFO L87 Difference]: Start difference. First operand 4555 states and 6564 transitions. Second operand has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 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 05:03:15,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:16,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:19,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:21,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:23,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:25,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:27,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:03:27,324 INFO L93 Difference]: Finished difference Result 10662 states and 15330 transitions. [2022-02-15 05:03:27,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 05:03:27,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 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 199 [2022-02-15 05:03:27,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:03:27,331 INFO L225 Difference]: With dead ends: 10662 [2022-02-15 05:03:27,331 INFO L226 Difference]: Without dead ends: 6135 [2022-02-15 05:03:27,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 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 05:03:27,336 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 362 mSDsluCounter, 1851 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 93 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 2180 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-02-15 05:03:27,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 2180 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2189 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2022-02-15 05:03:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6135 states. [2022-02-15 05:03:27,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6135 to 4759. [2022-02-15 05:03:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 4754 states have (on average 1.4493058477071938) internal successors, (6890), 4754 states have internal predecessors, (6890), 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 05:03:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6894 transitions. [2022-02-15 05:03:27,770 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6894 transitions. Word has length 199 [2022-02-15 05:03:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:03:27,770 INFO L470 AbstractCegarLoop]: Abstraction has 4759 states and 6894 transitions. [2022-02-15 05:03:27,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 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 05:03:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6894 transitions. [2022-02-15 05:03:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-02-15 05:03:27,774 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:03:27,774 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:03:27,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-15 05:03:27,774 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:03:27,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:03:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1943124228, now seen corresponding path program 1 times [2022-02-15 05:03:27,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:03:27,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904698740] [2022-02-15 05:03:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:03:27,816 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:03:27,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:03:27,824 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:03:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:03:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:27,916 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 05:03:27,916 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:03:27,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904698740] [2022-02-15 05:03:27,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1904698740] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:03:27,916 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:03:27,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:03:27,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464346914] [2022-02-15 05:03:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:03:27,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:03:27,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:03:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:03:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:03:27,918 INFO L87 Difference]: Start difference. First operand 4759 states and 6894 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 05:03:29,314 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 05:03:32,902 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 05:03:33,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:03:33,842 INFO L93 Difference]: Finished difference Result 10447 states and 15103 transitions. [2022-02-15 05:03:33,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:03:33,843 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 200 [2022-02-15 05:03:33,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:03:33,849 INFO L225 Difference]: With dead ends: 10447 [2022-02-15 05:03:33,849 INFO L226 Difference]: Without dead ends: 5716 [2022-02-15 05:03:33,855 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 05:03:33,856 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 120 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:03:33,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 438 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-02-15 05:03:33,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5716 states. [2022-02-15 05:03:34,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5716 to 5074. [2022-02-15 05:03:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5074 states, 5069 states have (on average 1.4450581968830145) internal successors, (7325), 5069 states have internal predecessors, (7325), 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 05:03:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 5074 states and 7329 transitions. [2022-02-15 05:03:34,341 INFO L78 Accepts]: Start accepts. Automaton has 5074 states and 7329 transitions. Word has length 200 [2022-02-15 05:03:34,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:03:34,341 INFO L470 AbstractCegarLoop]: Abstraction has 5074 states and 7329 transitions. [2022-02-15 05:03:34,341 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 05:03:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 5074 states and 7329 transitions. [2022-02-15 05:03:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-02-15 05:03:34,346 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:03:34,346 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:03:34,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-15 05:03:34,347 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:03:34,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:03:34,348 INFO L85 PathProgramCache]: Analyzing trace with hash 379503046, now seen corresponding path program 1 times [2022-02-15 05:03:34,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:03:34,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631180845] [2022-02-15 05:03:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:03:34,436 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:03:34,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:03:34,446 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:03:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 05:03:34,682 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 05:03:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 05:03:34,939 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 05:03:34,939 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 05:03:34,945 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 05:03:34,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-15 05:03:34,948 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] [2022-02-15 05:03:34,950 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 05:03:34,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 05:03:34 BoogieIcfgContainer [2022-02-15 05:03:34,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 05:03:34,990 INFO L158 Benchmark]: Toolchain (without parser) took 308240.07ms. Allocated memory was 166.7MB in the beginning and 584.1MB in the end (delta: 417.3MB). Free memory was 107.8MB in the beginning and 358.3MB in the end (delta: -250.5MB). Peak memory consumption was 449.1MB. Max. memory is 8.0GB. [2022-02-15 05:03:34,990 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 166.7MB. Free memory was 126.4MB in the beginning and 126.3MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 05:03:34,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.44ms. Allocated memory was 166.7MB in the beginning and 226.5MB in the end (delta: 59.8MB). Free memory was 107.7MB in the beginning and 178.7MB in the end (delta: -71.0MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. [2022-02-15 05:03:34,991 INFO L158 Benchmark]: Boogie Preprocessor took 136.48ms. Allocated memory is still 226.5MB. Free memory was 178.7MB in the beginning and 170.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-15 05:03:34,991 INFO L158 Benchmark]: RCFGBuilder took 1588.00ms. Allocated memory is still 226.5MB. Free memory was 170.8MB in the beginning and 177.1MB in the end (delta: -6.3MB). Peak memory consumption was 73.9MB. Max. memory is 8.0GB. [2022-02-15 05:03:34,991 INFO L158 Benchmark]: TraceAbstraction took 305961.40ms. Allocated memory was 226.5MB in the beginning and 584.1MB in the end (delta: 357.6MB). Free memory was 176.6MB in the beginning and 358.3MB in the end (delta: -181.7MB). Peak memory consumption was 457.4MB. Max. memory is 8.0GB. [2022-02-15 05:03:34,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 166.7MB. Free memory was 126.4MB in the beginning and 126.3MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 548.44ms. Allocated memory was 166.7MB in the beginning and 226.5MB in the end (delta: 59.8MB). Free memory was 107.7MB in the beginning and 178.7MB in the end (delta: -71.0MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 136.48ms. Allocated memory is still 226.5MB. Free memory was 178.7MB in the beginning and 170.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1588.00ms. Allocated memory is still 226.5MB. Free memory was 170.8MB in the beginning and 177.1MB in the end (delta: -6.3MB). Peak memory consumption was 73.9MB. Max. memory is 8.0GB. * TraceAbstraction took 305961.40ms. Allocated memory was 226.5MB in the beginning and 584.1MB in the end (delta: 357.6MB). Free memory was 176.6MB in the beginning and 358.3MB in the end (delta: -181.7MB). Peak memory consumption was 457.4MB. 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: 1794]: 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 1153. 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() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] s->state = 8464 [L1138] blastFlag = 0 [L1139] s->hit=__VERIFIER_nondet_int () [L1140] s->state = 8464 [L1141] tmp = __VERIFIER_nondet_int() [L1142] Time = tmp [L1143] cb = (void (*)())((void *)0) [L1144] ret = -1 [L1145] skip = 0 [L1146] got_new_session = 0 [L1147] EXPR s->info_callback [L1147] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1148] EXPR s->info_callback [L1148] cb = s->info_callback [L1152] EXPR s->in_handshake [L1152] s->in_handshake += 1 [L1153] COND FALSE !(tmp___1 & 12288) [L1162] EXPR s->cert [L1162] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND TRUE s->state == 8464 [L1355] s->shutdown = 0 [L1356] ret = __VERIFIER_nondet_int() [L1357] COND TRUE blastFlag == 0 [L1358] blastFlag = 1 [L1362] COND FALSE !(ret <= 0) [L1367] got_new_session = 1 [L1368] s->state = 8496 [L1369] s->init_num = 0 [L1753] EXPR s->s3 [L1753] EXPR (s->s3)->tmp.reuse_message [L1753] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1782] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND TRUE s->state == 8496 [L1373] ret = __VERIFIER_nondet_int() [L1374] COND TRUE blastFlag == 1 [L1375] blastFlag = 2 [L1379] COND FALSE !(ret <= 0) [L1384] s->hit [L1384] COND TRUE s->hit [L1385] s->state = 8656 [L1389] s->init_num = 0 [L1753] EXPR s->s3 [L1753] EXPR (s->s3)->tmp.reuse_message [L1753] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1782] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND FALSE !(s->state == 8448) [L1237] EXPR s->state [L1237] COND FALSE !(s->state == 8576) [L1240] EXPR s->state [L1240] COND FALSE !(s->state == 8577) [L1243] EXPR s->state [L1243] COND FALSE !(s->state == 8592) [L1246] EXPR s->state [L1246] COND FALSE !(s->state == 8593) [L1249] EXPR s->state [L1249] COND FALSE !(s->state == 8608) [L1252] EXPR s->state [L1252] COND FALSE !(s->state == 8609) [L1255] EXPR s->state [L1255] COND FALSE !(s->state == 8640) [L1258] EXPR s->state [L1258] COND FALSE !(s->state == 8641) [L1261] EXPR s->state [L1261] COND TRUE s->state == 8656 [L1630] EXPR s->session [L1630] EXPR s->s3 [L1630] EXPR (s->s3)->tmp.new_cipher [L1630] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1631] COND FALSE !(! tmp___9) [L1637] ret = __VERIFIER_nondet_int() [L1638] COND FALSE !(blastFlag == 10) [L1641] COND FALSE !(blastFlag == 13) [L1644] COND FALSE !(blastFlag == 16) [L1651] COND FALSE !(ret <= 0) [L1656] s->state = 8672 [L1657] s->init_num = 0 [L1658] COND FALSE !(! tmp___10) [L1753] EXPR s->s3 [L1753] EXPR (s->s3)->tmp.reuse_message [L1753] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1782] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND FALSE !(s->state == 8448) [L1237] EXPR s->state [L1237] COND FALSE !(s->state == 8576) [L1240] EXPR s->state [L1240] COND FALSE !(s->state == 8577) [L1243] EXPR s->state [L1243] COND FALSE !(s->state == 8592) [L1246] EXPR s->state [L1246] COND FALSE !(s->state == 8593) [L1249] EXPR s->state [L1249] COND FALSE !(s->state == 8608) [L1252] EXPR s->state [L1252] COND FALSE !(s->state == 8609) [L1255] EXPR s->state [L1255] COND FALSE !(s->state == 8640) [L1258] EXPR s->state [L1258] COND FALSE !(s->state == 8641) [L1261] EXPR s->state [L1261] COND FALSE !(s->state == 8656) [L1264] EXPR s->state [L1264] COND FALSE !(s->state == 8657) [L1267] EXPR s->state [L1267] COND TRUE s->state == 8672 [L1667] ret = __VERIFIER_nondet_int() [L1668] COND FALSE !(blastFlag == 11) [L1671] COND FALSE !(blastFlag == 14) [L1674] COND FALSE !(blastFlag == 17) [L1681] COND FALSE !(ret <= 0) [L1686] s->state = 8448 [L1687] s->hit [L1687] COND TRUE s->hit [L1688] EXPR s->s3 [L1688] (s->s3)->tmp.next_state = 8640 [L1692] s->init_num = 0 [L1753] EXPR s->s3 [L1753] EXPR (s->s3)->tmp.reuse_message [L1753] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1782] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND TRUE s->state == 8448 [L1522] COND FALSE !(num1 > 0L) [L1535] EXPR s->s3 [L1535] EXPR (s->s3)->tmp.next_state [L1535] s->state = (s->s3)->tmp.next_state [L1753] EXPR s->s3 [L1753] EXPR (s->s3)->tmp.reuse_message [L1753] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1782] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND FALSE !(s->state == 8448) [L1237] EXPR s->state [L1237] COND FALSE !(s->state == 8576) [L1240] EXPR s->state [L1240] COND FALSE !(s->state == 8577) [L1243] EXPR s->state [L1243] COND FALSE !(s->state == 8592) [L1246] EXPR s->state [L1246] COND FALSE !(s->state == 8593) [L1249] EXPR s->state [L1249] COND FALSE !(s->state == 8608) [L1252] EXPR s->state [L1252] COND FALSE !(s->state == 8609) [L1255] EXPR s->state [L1255] COND TRUE s->state == 8640 [L1602] ret = __VERIFIER_nondet_int() [L1603] COND FALSE !(blastFlag == 9) [L1606] COND FALSE !(blastFlag == 12) [L1609] COND FALSE !(blastFlag == 15) [L1794] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 305.9s, OverallIterations: 50, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 290.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 65 mSolverCounterUnknown, 5194 SdHoareTripleChecker+Valid, 283.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5194 mSDsluCounter, 29295 SdHoareTripleChecker+Invalid, 276.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19288 mSDsCounter, 1614 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27283 IncrementalHoareTripleChecker+Invalid, 28962 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1614 mSolverCounterUnsat, 10007 mSDtfsCounter, 27283 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 425 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5074occurred in iteration=49, InterpolantAutomatonStates: 263, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 49 MinimizatonAttempts, 7066 StatesRemovedByMinimization, 45 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 05:03:35,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...