/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.10.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 04:50:59,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:50:59,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:50:59,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 04:50:59,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 04:50:59,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 04:50:59,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 04:50:59,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 04:50:59,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 04:50:59,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 04:50:59,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 04:50:59,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 04:50:59,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:50:59,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:50:59,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:50:59,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:50:59,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:50:59,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:50:59,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:50:59,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:50:59,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:50:59,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:50:59,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:50:59,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:50:59,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 04:50:59,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:50:59,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:50:59,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:50:59,358 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 04:50:59,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:50:59,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:50:59,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:50:59,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:50:59,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:50:59,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:50:59,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:50:59,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:50:59,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:50:59,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:50:59,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:50:59,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:50:59,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:50:59,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:50:59,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:50:59,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:50:59,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:50:59,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:50:59,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:50:59,376 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:50:59,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:50:59,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:50:59,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:50:59,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:50:59,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:50:59,561 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:50:59,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.10.i.cil-1.c [2022-02-15 04:50:59,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c1159d63/df71c8eaea174eecb645e1ec7f157e10/FLAG7f1bbe694 [2022-02-15 04:51:00,036 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:51:00,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.10.i.cil-1.c [2022-02-15 04:51:00,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c1159d63/df71c8eaea174eecb645e1ec7f157e10/FLAG7f1bbe694 [2022-02-15 04:51:00,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c1159d63/df71c8eaea174eecb645e1ec7f157e10 [2022-02-15 04:51:00,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:51:00,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:51:00,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:51:00,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:51:00,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:51:00,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c761b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00, skipping insertion in model container [2022-02-15 04:51:00,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:51:00,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:51:00,367 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.10.i.cil-1.c[73581,73594] [2022-02-15 04:51:00,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:51:00,381 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:51:00,451 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.10.i.cil-1.c[73581,73594] [2022-02-15 04:51:00,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:51:00,463 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:51:00,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00 WrapperNode [2022-02-15 04:51:00,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:51:00,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:51:00,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:51:00,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:51:00,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:51:00,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:51:00,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:51:00,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:51:00,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (1/1) ... [2022-02-15 04:51:00,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:51:00,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:51:00,576 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 04:51:00,594 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 04:51:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:51:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:51:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:51:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-15 04:51:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-15 04:51:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:51:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-15 04:51:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 04:51:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 04:51:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 04:51:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:51:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:51:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:51:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:51:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 04:51:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 04:51:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 04:51:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 04:51:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 04:51:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:51:00,736 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:51:00,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:51:01,668 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:51:02,102 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-15 04:51:02,102 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-15 04:51:02,121 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:51:02,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:51:02,127 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 04:51:02,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:51:02 BoogieIcfgContainer [2022-02-15 04:51:02,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:51:02,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:51:02,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:51:02,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:51:02,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:51:00" (1/3) ... [2022-02-15 04:51:02,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae663b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:51:02, skipping insertion in model container [2022-02-15 04:51:02,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:51:00" (2/3) ... [2022-02-15 04:51:02,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae663b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:51:02, skipping insertion in model container [2022-02-15 04:51:02,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:51:02" (3/3) ... [2022-02-15 04:51:02,136 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.10.i.cil-1.c [2022-02-15 04:51:02,139 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:51:02,140 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:51:02,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:51:02,178 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 04:51:02,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:51:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 148 states have (on average 1.7027027027027026) internal successors, (252), 149 states have internal predecessors, (252), 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 04:51:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-15 04:51:02,215 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:02,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:02,217 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:02,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash -159635105, now seen corresponding path program 1 times [2022-02-15 04:51:02,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:02,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915271951] [2022-02-15 04:51:02,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:02,284 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:02,661 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 04:51:02,662 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:02,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915271951] [2022-02-15 04:51:02,664 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [915271951] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:02,664 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:02,664 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:02,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397478856] [2022-02-15 04:51:02,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:02,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:02,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:02,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:02,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:02,701 INFO L87 Difference]: Start difference. First operand has 156 states, 148 states have (on average 1.7027027027027026) internal successors, (252), 149 states have internal predecessors, (252), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:04,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:06,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:08,607 WARN L534 Checker$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 04:51:09,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:09,312 INFO L93 Difference]: Finished difference Result 424 states and 714 transitions. [2022-02-15 04:51:09,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:09,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-02-15 04:51:09,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:09,323 INFO L225 Difference]: With dead ends: 424 [2022-02-15 04:51:09,324 INFO L226 Difference]: Without dead ends: 257 [2022-02-15 04:51:09,326 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 04:51:09,328 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 150 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 63 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:09,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 451 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 530 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-02-15 04:51:09,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-02-15 04:51:09,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2022-02-15 04:51:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 175 states have (on average 1.6) internal successors, (280), 175 states have internal predecessors, (280), 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 04:51:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 284 transitions. [2022-02-15 04:51:09,371 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 284 transitions. Word has length 49 [2022-02-15 04:51:09,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:09,371 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 284 transitions. [2022-02-15 04:51:09,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 284 transitions. [2022-02-15 04:51:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-15 04:51:09,373 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:09,373 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 04:51:09,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:51:09,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:09,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash -855203969, now seen corresponding path program 1 times [2022-02-15 04:51:09,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:09,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985822629] [2022-02-15 04:51:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:09,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:09,377 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:09,560 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 04:51:09,560 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:09,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985822629] [2022-02-15 04:51:09,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1985822629] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:09,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:09,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:09,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872940806] [2022-02-15 04:51:09,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:09,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:09,562 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:09,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:09,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:09,564 INFO L87 Difference]: Start difference. First operand 180 states and 284 transitions. 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 04:51:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:12,204 INFO L93 Difference]: Finished difference Result 373 states and 590 transitions. [2022-02-15 04:51:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:12,204 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 04:51:12,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:12,205 INFO L225 Difference]: With dead ends: 373 [2022-02-15 04:51:12,206 INFO L226 Difference]: Without dead ends: 208 [2022-02-15 04:51:12,206 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 04:51:12,207 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:12,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 469 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 04:51:12,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-02-15 04:51:12,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 191. [2022-02-15 04:51:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 186 states have (on average 1.60752688172043) internal successors, (299), 186 states have internal predecessors, (299), 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 04:51:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 303 transitions. [2022-02-15 04:51:12,219 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 303 transitions. Word has length 50 [2022-02-15 04:51:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:12,220 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 303 transitions. [2022-02-15 04:51:12,220 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 04:51:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 303 transitions. [2022-02-15 04:51:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 04:51:12,224 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:12,224 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:12,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:51:12,224 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:12,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:12,225 INFO L85 PathProgramCache]: Analyzing trace with hash -58090466, now seen corresponding path program 1 times [2022-02-15 04:51:12,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:12,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500376259] [2022-02-15 04:51:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:12,243 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:12,246 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:12,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:12,381 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 04:51:12,382 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:12,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500376259] [2022-02-15 04:51:12,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [500376259] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:12,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:12,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:12,382 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137410112] [2022-02-15 04:51:12,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:12,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:12,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:12,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:12,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:12,384 INFO L87 Difference]: Start difference. First operand 191 states and 303 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:14,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:16,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:17,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:17,337 INFO L93 Difference]: Finished difference Result 373 states and 589 transitions. [2022-02-15 04:51:17,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:17,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-02-15 04:51:17,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:17,339 INFO L225 Difference]: With dead ends: 373 [2022-02-15 04:51:17,339 INFO L226 Difference]: Without dead ends: 208 [2022-02-15 04:51:17,340 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 04:51:17,341 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 24 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:17,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 471 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-02-15 04:51:17,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-02-15 04:51:17,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 191. [2022-02-15 04:51:17,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 186 states have (on average 1.6021505376344085) internal successors, (298), 186 states have internal predecessors, (298), 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 04:51:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 302 transitions. [2022-02-15 04:51:17,350 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 302 transitions. Word has length 63 [2022-02-15 04:51:17,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:17,351 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 302 transitions. [2022-02-15 04:51:17,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 302 transitions. [2022-02-15 04:51:17,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 04:51:17,354 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:17,355 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:17,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 04:51:17,355 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:17,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:17,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1866233778, now seen corresponding path program 1 times [2022-02-15 04:51:17,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:17,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613729082] [2022-02-15 04:51:17,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:17,368 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:17,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:17,388 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:17,504 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 04:51:17,504 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:17,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613729082] [2022-02-15 04:51:17,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [613729082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:17,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:17,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:17,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618154875] [2022-02-15 04:51:17,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:17,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:17,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:17,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:17,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:17,508 INFO L87 Difference]: Start difference. First operand 191 states and 302 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:20,056 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 04:51:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:21,347 INFO L93 Difference]: Finished difference Result 372 states and 587 transitions. [2022-02-15 04:51:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:21,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-15 04:51:21,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:21,348 INFO L225 Difference]: With dead ends: 372 [2022-02-15 04:51:21,349 INFO L226 Difference]: Without dead ends: 207 [2022-02-15 04:51:21,349 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 04:51:21,350 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 28 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:21,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 473 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-02-15 04:51:21,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-02-15 04:51:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 191. [2022-02-15 04:51:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 186 states have (on average 1.596774193548387) internal successors, (297), 186 states have internal predecessors, (297), 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 04:51:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 301 transitions. [2022-02-15 04:51:21,359 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 301 transitions. Word has length 64 [2022-02-15 04:51:21,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:21,359 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 301 transitions. [2022-02-15 04:51:21,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 301 transitions. [2022-02-15 04:51:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 04:51:21,360 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:21,360 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:21,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 04:51:21,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:21,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:21,360 INFO L85 PathProgramCache]: Analyzing trace with hash 20669666, now seen corresponding path program 1 times [2022-02-15 04:51:21,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:21,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362868416] [2022-02-15 04:51:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:21,365 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:21,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:21,368 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:21,479 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 04:51:21,479 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:21,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362868416] [2022-02-15 04:51:21,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [362868416] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:21,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:21,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:21,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242844316] [2022-02-15 04:51:21,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:21,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:21,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:21,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:21,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:21,482 INFO L87 Difference]: Start difference. First operand 191 states and 301 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:23,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:25,183 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 04:51:25,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:25,664 INFO L93 Difference]: Finished difference Result 472 states and 746 transitions. [2022-02-15 04:51:25,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:25,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-15 04:51:25,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:25,666 INFO L225 Difference]: With dead ends: 472 [2022-02-15 04:51:25,666 INFO L226 Difference]: Without dead ends: 307 [2022-02-15 04:51:25,666 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 04:51:25,667 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 145 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:25,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 332 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-02-15 04:51:25,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-02-15 04:51:25,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 203. [2022-02-15 04:51:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 198 states have (on average 1.5808080808080809) internal successors, (313), 198 states have internal predecessors, (313), 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 04:51:25,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 317 transitions. [2022-02-15 04:51:25,676 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 317 transitions. Word has length 64 [2022-02-15 04:51:25,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:25,676 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 317 transitions. [2022-02-15 04:51:25,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:25,676 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 317 transitions. [2022-02-15 04:51:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 04:51:25,677 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:25,677 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:25,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 04:51:25,677 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:25,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1135676505, now seen corresponding path program 1 times [2022-02-15 04:51:25,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:25,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297015128] [2022-02-15 04:51:25,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:25,700 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:25,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:25,702 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:51:25,828 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:25,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297015128] [2022-02-15 04:51:25,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [297015128] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:25,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:25,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:25,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647585777] [2022-02-15 04:51:25,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:25,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:25,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:25,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:25,830 INFO L87 Difference]: Start difference. First operand 203 states and 317 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:26,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:29,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:31,566 WARN L534 Checker$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 04:51:31,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:31,916 INFO L93 Difference]: Finished difference Result 394 states and 617 transitions. [2022-02-15 04:51:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:31,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-15 04:51:31,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:31,917 INFO L225 Difference]: With dead ends: 394 [2022-02-15 04:51:31,917 INFO L226 Difference]: Without dead ends: 217 [2022-02-15 04:51:31,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:51:31,918 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 20 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:31,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 477 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-02-15 04:51:31,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-02-15 04:51:31,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 203. [2022-02-15 04:51:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 198 states have (on average 1.5757575757575757) internal successors, (312), 198 states have internal predecessors, (312), 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 04:51:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 316 transitions. [2022-02-15 04:51:31,926 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 316 transitions. Word has length 64 [2022-02-15 04:51:31,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:31,926 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 316 transitions. [2022-02-15 04:51:31,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 316 transitions. [2022-02-15 04:51:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 04:51:31,927 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:31,927 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:31,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 04:51:31,927 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:31,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:31,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1203236506, now seen corresponding path program 1 times [2022-02-15 04:51:31,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:31,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019807175] [2022-02-15 04:51:31,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:31,930 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:31,932 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:32,048 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 04:51:32,049 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:32,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019807175] [2022-02-15 04:51:32,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1019807175] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:32,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:32,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:32,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098768419] [2022-02-15 04:51:32,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:32,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:32,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:32,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:32,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:32,051 INFO L87 Difference]: Start difference. First operand 203 states and 316 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:33,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:35,109 WARN L534 Checker$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 04:51:36,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:38,173 WARN L534 Checker$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 04:51:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:38,533 INFO L93 Difference]: Finished difference Result 393 states and 615 transitions. [2022-02-15 04:51:38,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:38,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-02-15 04:51:38,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:38,535 INFO L225 Difference]: With dead ends: 393 [2022-02-15 04:51:38,535 INFO L226 Difference]: Without dead ends: 216 [2022-02-15 04:51:38,536 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 04:51:38,536 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 18 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:38,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 479 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-02-15 04:51:38,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-02-15 04:51:38,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 203. [2022-02-15 04:51:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 198 states have (on average 1.5707070707070707) internal successors, (311), 198 states have internal predecessors, (311), 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 04:51:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 315 transitions. [2022-02-15 04:51:38,543 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 315 transitions. Word has length 64 [2022-02-15 04:51:38,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:38,543 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 315 transitions. [2022-02-15 04:51:38,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 315 transitions. [2022-02-15 04:51:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-15 04:51:38,544 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:38,544 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:38,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 04:51:38,544 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:38,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:38,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1314704697, now seen corresponding path program 1 times [2022-02-15 04:51:38,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:38,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930568720] [2022-02-15 04:51:38,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:38,550 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:38,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:38,553 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:38,631 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 04:51:38,632 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:38,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930568720] [2022-02-15 04:51:38,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1930568720] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:38,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:38,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:38,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973694383] [2022-02-15 04:51:38,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:38,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:38,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:38,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:38,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:38,656 INFO L87 Difference]: Start difference. First operand 203 states and 315 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:40,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:41,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:43,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:45,738 WARN L534 Checker$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 04:51:46,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:46,220 INFO L93 Difference]: Finished difference Result 484 states and 758 transitions. [2022-02-15 04:51:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:46,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-02-15 04:51:46,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:46,222 INFO L225 Difference]: With dead ends: 484 [2022-02-15 04:51:46,222 INFO L226 Difference]: Without dead ends: 307 [2022-02-15 04:51:46,223 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 04:51:46,223 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 143 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 64 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:46,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 332 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-02-15 04:51:46,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-02-15 04:51:46,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 204. [2022-02-15 04:51:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.5577889447236182) internal successors, (310), 199 states have internal predecessors, (310), 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 04:51:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 314 transitions. [2022-02-15 04:51:46,231 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 314 transitions. Word has length 65 [2022-02-15 04:51:46,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:46,231 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 314 transitions. [2022-02-15 04:51:46,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:51:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 314 transitions. [2022-02-15 04:51:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 04:51:46,232 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:46,232 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:46,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 04:51:46,232 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1503125703, now seen corresponding path program 1 times [2022-02-15 04:51:46,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:46,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563659764] [2022-02-15 04:51:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:46,239 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:46,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:46,244 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:46,337 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 04:51:46,338 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:46,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563659764] [2022-02-15 04:51:46,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [563659764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:46,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:46,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:46,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206409362] [2022-02-15 04:51:46,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:46,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:46,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:46,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:46,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:46,339 INFO L87 Difference]: Start difference. First operand 204 states and 314 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 04:51:47,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:49,967 WARN L534 Checker$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 04:51:51,997 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 04:51:52,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:52,566 INFO L93 Difference]: Finished difference Result 395 states and 613 transitions. [2022-02-15 04:51:52,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:52,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-02-15 04:51:52,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:52,567 INFO L225 Difference]: With dead ends: 395 [2022-02-15 04:51:52,567 INFO L226 Difference]: Without dead ends: 217 [2022-02-15 04:51:52,568 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 04:51:52,568 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 20 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:52,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 479 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 04:51:52,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-02-15 04:51:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 204. [2022-02-15 04:51:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.5527638190954773) internal successors, (309), 199 states have internal predecessors, (309), 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 04:51:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 313 transitions. [2022-02-15 04:51:52,574 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 313 transitions. Word has length 66 [2022-02-15 04:51:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:52,575 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 313 transitions. [2022-02-15 04:51:52,575 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 04:51:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 313 transitions. [2022-02-15 04:51:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 04:51:52,575 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:52,575 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:52,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 04:51:52,576 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:52,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash -73682420, now seen corresponding path program 1 times [2022-02-15 04:51:52,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:52,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586699648] [2022-02-15 04:51:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:52,581 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:52,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:52,584 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:52,662 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 04:51:52,663 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:52,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586699648] [2022-02-15 04:51:52,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1586699648] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:52,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:52,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:52,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627428357] [2022-02-15 04:51:52,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:52,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:52,663 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:52,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:52,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:52,664 INFO L87 Difference]: Start difference. First operand 204 states and 313 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 04:51:53,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:55,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:51:57,218 WARN L534 Checker$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 04:51:59,237 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 04:51:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:51:59,731 INFO L93 Difference]: Finished difference Result 485 states and 754 transitions. [2022-02-15 04:51:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:51:59,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-02-15 04:51:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:51:59,732 INFO L225 Difference]: With dead ends: 485 [2022-02-15 04:51:59,733 INFO L226 Difference]: Without dead ends: 307 [2022-02-15 04:51:59,733 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 04:51:59,734 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 140 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 64 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-15 04:51:59,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 332 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-02-15 04:51:59,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-02-15 04:51:59,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 206. [2022-02-15 04:51:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 201 states have (on average 1.5422885572139304) internal successors, (310), 201 states have internal predecessors, (310), 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 04:51:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 314 transitions. [2022-02-15 04:51:59,740 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 314 transitions. Word has length 67 [2022-02-15 04:51:59,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:51:59,741 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 314 transitions. [2022-02-15 04:51:59,741 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 04:51:59,741 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 314 transitions. [2022-02-15 04:51:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 04:51:59,741 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:51:59,741 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:51:59,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 04:51:59,742 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:51:59,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:51:59,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1134252491, now seen corresponding path program 1 times [2022-02-15 04:51:59,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:51:59,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638241917] [2022-02-15 04:51:59,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:51:59,745 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:51:59,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:51:59,749 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:51:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:51:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:51:59,853 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 04:51:59,853 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:51:59,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638241917] [2022-02-15 04:51:59,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1638241917] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:51:59,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:51:59,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:51:59,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780169307] [2022-02-15 04:51:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:51:59,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:51:59,854 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:51:59,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:51:59,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:51:59,855 INFO L87 Difference]: Start difference. First operand 206 states and 314 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 04:52:01,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:03,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:05,565 WARN L534 Checker$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 04:52:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:06,027 INFO L93 Difference]: Finished difference Result 487 states and 753 transitions. [2022-02-15 04:52:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:06,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-02-15 04:52:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:06,029 INFO L225 Difference]: With dead ends: 487 [2022-02-15 04:52:06,029 INFO L226 Difference]: Without dead ends: 307 [2022-02-15 04:52:06,030 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 04:52:06,030 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 115 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:06,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 350 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-02-15 04:52:06,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-02-15 04:52:06,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 231. [2022-02-15 04:52:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 226 states have (on average 1.5884955752212389) internal successors, (359), 226 states have internal predecessors, (359), 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 04:52:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 363 transitions. [2022-02-15 04:52:06,039 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 363 transitions. Word has length 67 [2022-02-15 04:52:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:06,040 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 363 transitions. [2022-02-15 04:52:06,040 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 04:52:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 363 transitions. [2022-02-15 04:52:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-15 04:52:06,041 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:06,041 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] [2022-02-15 04:52:06,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 04:52:06,042 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:06,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:06,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1613927131, now seen corresponding path program 1 times [2022-02-15 04:52:06,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:06,042 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149300378] [2022-02-15 04:52:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:06,058 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:06,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:06,062 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:06,177 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 04:52:06,177 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:06,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149300378] [2022-02-15 04:52:06,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [149300378] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:06,178 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:06,178 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:06,178 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162571683] [2022-02-15 04:52:06,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:06,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:06,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:06,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:06,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:06,179 INFO L87 Difference]: Start difference. First operand 231 states and 363 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:08,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:08,316 INFO L93 Difference]: Finished difference Result 588 states and 937 transitions. [2022-02-15 04:52:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:08,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 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 04:52:08,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:08,318 INFO L225 Difference]: With dead ends: 588 [2022-02-15 04:52:08,318 INFO L226 Difference]: Without dead ends: 383 [2022-02-15 04:52:08,318 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 04:52:08,319 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 121 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:08,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 342 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-02-15 04:52:08,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-02-15 04:52:08,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 295. [2022-02-15 04:52:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 290 states have (on average 1.6172413793103448) internal successors, (469), 290 states have internal predecessors, (469), 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 04:52:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 473 transitions. [2022-02-15 04:52:08,330 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 473 transitions. Word has length 95 [2022-02-15 04:52:08,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:08,330 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 473 transitions. [2022-02-15 04:52:08,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 473 transitions. [2022-02-15 04:52:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-02-15 04:52:08,331 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:08,331 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, 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] [2022-02-15 04:52:08,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 04:52:08,332 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:08,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:08,332 INFO L85 PathProgramCache]: Analyzing trace with hash -343569407, now seen corresponding path program 1 times [2022-02-15 04:52:08,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:08,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898510338] [2022-02-15 04:52:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:08,345 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:08,349 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:08,430 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 04:52:08,431 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:08,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898510338] [2022-02-15 04:52:08,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1898510338] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:08,431 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:08,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:08,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441221940] [2022-02-15 04:52:08,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:08,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:08,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:08,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:08,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:08,432 INFO L87 Difference]: Start difference. First operand 295 states and 473 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:09,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:11,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:13,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:15,036 WARN L534 Checker$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 04:52:15,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:15,545 INFO L93 Difference]: Finished difference Result 680 states and 1090 transitions. [2022-02-15 04:52:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:15,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-02-15 04:52:15,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:15,547 INFO L225 Difference]: With dead ends: 680 [2022-02-15 04:52:15,547 INFO L226 Difference]: Without dead ends: 411 [2022-02-15 04:52:15,547 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 04:52:15,548 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 117 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:15,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 330 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-02-15 04:52:15,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-02-15 04:52:15,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 332. [2022-02-15 04:52:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 327 states have (on average 1.6269113149847094) internal successors, (532), 327 states have internal predecessors, (532), 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 04:52:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 536 transitions. [2022-02-15 04:52:15,561 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 536 transitions. Word has length 100 [2022-02-15 04:52:15,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:15,561 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 536 transitions. [2022-02-15 04:52:15,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 536 transitions. [2022-02-15 04:52:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-02-15 04:52:15,563 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:15,564 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:52:15,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 04:52:15,564 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:15,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash 758231725, now seen corresponding path program 1 times [2022-02-15 04:52:15,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:15,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035732763] [2022-02-15 04:52:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:15,578 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:15,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:15,582 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:15,668 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 04:52:15,668 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:15,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035732763] [2022-02-15 04:52:15,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2035732763] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:15,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:15,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:15,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981832323] [2022-02-15 04:52:15,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:15,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:15,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:15,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:15,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:15,670 INFO L87 Difference]: Start difference. First operand 332 states and 536 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:17,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:19,609 WARN L534 Checker$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 04:52:21,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:23,666 WARN L534 Checker$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 04:52:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:24,139 INFO L93 Difference]: Finished difference Result 714 states and 1147 transitions. [2022-02-15 04:52:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:24,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 101 [2022-02-15 04:52:24,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:24,141 INFO L225 Difference]: With dead ends: 714 [2022-02-15 04:52:24,141 INFO L226 Difference]: Without dead ends: 408 [2022-02-15 04:52:24,141 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 04:52:24,142 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 116 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 62 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:24,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 350 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 480 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-02-15 04:52:24,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-02-15 04:52:24,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 332. [2022-02-15 04:52:24,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 327 states have (on average 1.620795107033639) internal successors, (530), 327 states have internal predecessors, (530), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 534 transitions. [2022-02-15 04:52:24,157 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 534 transitions. Word has length 101 [2022-02-15 04:52:24,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:24,158 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 534 transitions. [2022-02-15 04:52:24,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 534 transitions. [2022-02-15 04:52:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-15 04:52:24,159 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:24,159 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] [2022-02-15 04:52:24,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 04:52:24,159 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:24,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1881772210, now seen corresponding path program 1 times [2022-02-15 04:52:24,159 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:24,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473792634] [2022-02-15 04:52:24,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:24,175 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:24,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:24,190 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:24,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:24,271 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 04:52:24,271 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:24,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473792634] [2022-02-15 04:52:24,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [473792634] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:24,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:24,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:24,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609613291] [2022-02-15 04:52:24,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:24,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:24,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:24,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:24,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:24,272 INFO L87 Difference]: Start difference. First operand 332 states and 534 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:25,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:27,860 WARN L534 Checker$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 04:52:30,431 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 04:52:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:30,906 INFO L93 Difference]: Finished difference Result 754 states and 1210 transitions. [2022-02-15 04:52:30,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:30,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 108 [2022-02-15 04:52:30,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:30,908 INFO L225 Difference]: With dead ends: 754 [2022-02-15 04:52:30,908 INFO L226 Difference]: Without dead ends: 448 [2022-02-15 04:52:30,909 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 04:52:30,909 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 137 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:30,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 350 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 482 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-02-15 04:52:30,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2022-02-15 04:52:30,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 348. [2022-02-15 04:52:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 343 states have (on average 1.6005830903790088) internal successors, (549), 343 states have internal predecessors, (549), 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 04:52:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 553 transitions. [2022-02-15 04:52:30,923 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 553 transitions. Word has length 108 [2022-02-15 04:52:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:30,923 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 553 transitions. [2022-02-15 04:52:30,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 553 transitions. [2022-02-15 04:52:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-15 04:52:30,924 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:30,924 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:30,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 04:52:30,924 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:30,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash -854368715, now seen corresponding path program 1 times [2022-02-15 04:52:30,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:30,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075594311] [2022-02-15 04:52:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:30,940 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:30,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:30,944 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:31,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:31,023 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 04:52:31,023 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:31,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075594311] [2022-02-15 04:52:31,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1075594311] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:31,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:31,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:31,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459646405] [2022-02-15 04:52:31,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:31,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:31,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:31,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:31,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:31,024 INFO L87 Difference]: Start difference. First operand 348 states and 553 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 04:52:32,145 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 04:52:33,792 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 04:52:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:34,736 INFO L93 Difference]: Finished difference Result 760 states and 1211 transitions. [2022-02-15 04:52:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:34,737 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 04:52:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:34,738 INFO L225 Difference]: With dead ends: 760 [2022-02-15 04:52:34,738 INFO L226 Difference]: Without dead ends: 438 [2022-02-15 04:52:34,739 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 04:52:34,739 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 97 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:34,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 411 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 04:52:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-02-15 04:52:34,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 365. [2022-02-15 04:52:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 360 states have (on average 1.5916666666666666) internal successors, (573), 360 states have internal predecessors, (573), 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 04:52:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 577 transitions. [2022-02-15 04:52:34,753 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 577 transitions. Word has length 109 [2022-02-15 04:52:34,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:34,754 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 577 transitions. [2022-02-15 04:52:34,754 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 04:52:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 577 transitions. [2022-02-15 04:52:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-15 04:52:34,754 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:34,755 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, 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 04:52:34,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 04:52:34,755 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:34,755 INFO L85 PathProgramCache]: Analyzing trace with hash 280157251, now seen corresponding path program 1 times [2022-02-15 04:52:34,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:34,755 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662138219] [2022-02-15 04:52:34,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:34,774 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:34,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:34,779 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:34,854 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 04:52:34,854 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:34,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662138219] [2022-02-15 04:52:34,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [662138219] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:34,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:34,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:34,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140002455] [2022-02-15 04:52:34,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:34,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:34,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:34,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:34,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:34,856 INFO L87 Difference]: Start difference. First operand 365 states and 577 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 04:52:37,049 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 04:52:39,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:41,101 WARN L534 Checker$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 04:52:41,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:41,443 INFO L93 Difference]: Finished difference Result 728 states and 1159 transitions. [2022-02-15 04:52:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:41,443 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 109 [2022-02-15 04:52:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:41,445 INFO L225 Difference]: With dead ends: 728 [2022-02-15 04:52:41,445 INFO L226 Difference]: Without dead ends: 389 [2022-02-15 04:52:41,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:52:41,446 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 29 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:41,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 495 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 388 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-02-15 04:52:41,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-02-15 04:52:41,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 370. [2022-02-15 04:52:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 365 states have (on average 1.5945205479452054) internal successors, (582), 365 states have internal predecessors, (582), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 586 transitions. [2022-02-15 04:52:41,473 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 586 transitions. Word has length 109 [2022-02-15 04:52:41,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:41,473 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 586 transitions. [2022-02-15 04:52:41,473 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 04:52:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 586 transitions. [2022-02-15 04:52:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-15 04:52:41,474 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:41,474 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:52:41,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 04:52:41,474 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:41,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash 425730527, now seen corresponding path program 1 times [2022-02-15 04:52:41,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:41,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277815144] [2022-02-15 04:52:41,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:41,496 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:41,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:41,501 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:41,580 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 04:52:41,581 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:41,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277815144] [2022-02-15 04:52:41,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1277815144] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:41,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:41,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:41,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052415483] [2022-02-15 04:52:41,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:41,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:41,581 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:41,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:41,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:41,582 INFO L87 Difference]: Start difference. First operand 370 states and 586 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 04:52:44,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:46,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:46,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:46,445 INFO L93 Difference]: Finished difference Result 789 states and 1246 transitions. [2022-02-15 04:52:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2022-02-15 04:52:46,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:46,447 INFO L225 Difference]: With dead ends: 789 [2022-02-15 04:52:46,447 INFO L226 Difference]: Without dead ends: 445 [2022-02-15 04:52:46,447 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 04:52:46,448 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 142 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:46,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 352 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 480 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-02-15 04:52:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-02-15 04:52:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 370. [2022-02-15 04:52:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 365 states have (on average 1.5753424657534247) internal successors, (575), 365 states have internal predecessors, (575), 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 04:52:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 579 transitions. [2022-02-15 04:52:46,462 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 579 transitions. Word has length 122 [2022-02-15 04:52:46,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:46,462 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 579 transitions. [2022-02-15 04:52:46,463 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 04:52:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 579 transitions. [2022-02-15 04:52:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-15 04:52:46,465 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:46,465 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2022-02-15 04:52:46,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 04:52:46,466 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:46,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:46,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1547814160, now seen corresponding path program 1 times [2022-02-15 04:52:46,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:46,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884191979] [2022-02-15 04:52:46,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:46,481 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:46,495 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:46,584 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 04:52:46,584 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:46,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884191979] [2022-02-15 04:52:46,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [884191979] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:46,584 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:46,584 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:46,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102415830] [2022-02-15 04:52:46,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:46,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:46,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:46,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:46,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:46,585 INFO L87 Difference]: Start difference. First operand 370 states and 579 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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 04:52:48,599 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 04:52:49,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:49,037 INFO L93 Difference]: Finished difference Result 804 states and 1262 transitions. [2022-02-15 04:52:49,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:49,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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 123 [2022-02-15 04:52:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:49,038 INFO L225 Difference]: With dead ends: 804 [2022-02-15 04:52:49,038 INFO L226 Difference]: Without dead ends: 460 [2022-02-15 04:52:49,039 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 04:52:49,040 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 96 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:49,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 495 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 515 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:52:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-02-15 04:52:49,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 388. [2022-02-15 04:52:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 383 states have (on average 1.5639686684073106) internal successors, (599), 383 states have internal predecessors, (599), 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 04:52:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 603 transitions. [2022-02-15 04:52:49,055 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 603 transitions. Word has length 123 [2022-02-15 04:52:49,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:49,056 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 603 transitions. [2022-02-15 04:52:49,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 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 04:52:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 603 transitions. [2022-02-15 04:52:49,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-15 04:52:49,057 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:49,057 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:49,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 04:52:49,057 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:49,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:49,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1612627170, now seen corresponding path program 1 times [2022-02-15 04:52:49,057 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:49,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912605112] [2022-02-15 04:52:49,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:49,078 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:49,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:49,082 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:49,194 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 04:52:49,195 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:49,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912605112] [2022-02-15 04:52:49,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1912605112] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:49,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:49,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:52:49,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891345269] [2022-02-15 04:52:49,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:49,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:52:49,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:49,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:52:49,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:52:49,196 INFO L87 Difference]: Start difference. First operand 388 states and 603 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:51,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:53,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:55,303 WARN L534 Checker$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 04:52:55,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:52:55,776 INFO L93 Difference]: Finished difference Result 824 states and 1279 transitions. [2022-02-15 04:52:55,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:52:55,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-02-15 04:52:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:52:55,778 INFO L225 Difference]: With dead ends: 824 [2022-02-15 04:52:55,778 INFO L226 Difference]: Without dead ends: 462 [2022-02-15 04:52:55,779 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 04:52:55,779 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 134 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 60 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:52:55,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 354 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-02-15 04:52:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-02-15 04:52:55,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 388. [2022-02-15 04:52:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 383 states have (on average 1.5483028720626633) internal successors, (593), 383 states have internal predecessors, (593), 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 04:52:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 597 transitions. [2022-02-15 04:52:55,796 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 597 transitions. Word has length 123 [2022-02-15 04:52:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:52:55,796 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 597 transitions. [2022-02-15 04:52:55,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:52:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 597 transitions. [2022-02-15 04:52:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-02-15 04:52:55,797 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:52:55,797 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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] [2022-02-15 04:52:55,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 04:52:55,797 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:52:55,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:52:55,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1169167610, now seen corresponding path program 1 times [2022-02-15 04:52:55,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:52:55,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772283974] [2022-02-15 04:52:55,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:52:55,818 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:52:55,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:52:55,823 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:52:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:52:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:52:55,919 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 04:52:55,919 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:52:55,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772283974] [2022-02-15 04:52:55,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [772283974] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:52:55,920 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:52:55,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 04:52:55,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74782436] [2022-02-15 04:52:55,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:52:55,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 04:52:55,921 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:52:55,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 04:52:55,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:52:55,921 INFO L87 Difference]: Start difference. First operand 388 states and 597 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 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 04:52:57,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:52:59,921 WARN L534 Checker$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 04:53:01,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:03,204 WARN L534 Checker$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 04:53:04,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:05,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:05,329 INFO L93 Difference]: Finished difference Result 760 states and 1177 transitions. [2022-02-15 04:53:05,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:53:05,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 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 124 [2022-02-15 04:53:05,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:05,331 INFO L225 Difference]: With dead ends: 760 [2022-02-15 04:53:05,331 INFO L226 Difference]: Without dead ends: 398 [2022-02-15 04:53:05,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-15 04:53:05,332 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 144 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 43 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:05,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 361 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 521 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2022-02-15 04:53:05,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-02-15 04:53:05,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2022-02-15 04:53:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 392 states have (on average 1.5408163265306123) internal successors, (604), 392 states have internal predecessors, (604), 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 04:53:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 608 transitions. [2022-02-15 04:53:05,350 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 608 transitions. Word has length 124 [2022-02-15 04:53:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:05,350 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 608 transitions. [2022-02-15 04:53:05,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 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 04:53:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 608 transitions. [2022-02-15 04:53:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-02-15 04:53:05,351 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:05,351 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2022-02-15 04:53:05,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-15 04:53:05,351 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:05,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1057327584, now seen corresponding path program 1 times [2022-02-15 04:53:05,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:05,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474363393] [2022-02-15 04:53:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:05,372 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:05,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:05,377 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:05,464 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 04:53:05,465 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:05,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474363393] [2022-02-15 04:53:05,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1474363393] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:05,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:05,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:05,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819850097] [2022-02-15 04:53:05,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:05,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:05,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:05,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:05,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:05,466 INFO L87 Difference]: Start difference. First operand 397 states and 608 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:53:07,557 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 04:53:08,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:09,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:10,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:10,079 INFO L93 Difference]: Finished difference Result 832 states and 1276 transitions. [2022-02-15 04:53:10,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:10,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 126 [2022-02-15 04:53:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:10,081 INFO L225 Difference]: With dead ends: 832 [2022-02-15 04:53:10,081 INFO L226 Difference]: Without dead ends: 461 [2022-02-15 04:53:10,082 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 04:53:10,082 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 130 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:10,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 370 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-02-15 04:53:10,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-02-15 04:53:10,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 397. [2022-02-15 04:53:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 392 states have (on average 1.5204081632653061) internal successors, (596), 392 states have internal predecessors, (596), 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 04:53:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 600 transitions. [2022-02-15 04:53:10,100 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 600 transitions. Word has length 126 [2022-02-15 04:53:10,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:10,100 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 600 transitions. [2022-02-15 04:53:10,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:53:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 600 transitions. [2022-02-15 04:53:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-15 04:53:10,101 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:10,101 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:53:10,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-15 04:53:10,102 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:10,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:10,102 INFO L85 PathProgramCache]: Analyzing trace with hash -74513729, now seen corresponding path program 1 times [2022-02-15 04:53:10,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:10,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685536993] [2022-02-15 04:53:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:10,120 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:10,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:10,125 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:10,209 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 04:53:10,209 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:10,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685536993] [2022-02-15 04:53:10,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [685536993] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:10,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:10,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:10,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917709361] [2022-02-15 04:53:10,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:10,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:10,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:10,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:10,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:10,210 INFO L87 Difference]: Start difference. First operand 397 states and 600 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:53:11,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:13,384 WARN L534 Checker$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 04:53:15,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:17,432 WARN L534 Checker$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 04:53:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:17,834 INFO L93 Difference]: Finished difference Result 847 states and 1288 transitions. [2022-02-15 04:53:17,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:17,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-02-15 04:53:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:17,835 INFO L225 Difference]: With dead ends: 847 [2022-02-15 04:53:17,835 INFO L226 Difference]: Without dead ends: 476 [2022-02-15 04:53:17,836 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 04:53:17,837 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 87 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:17,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 475 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 483 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-02-15 04:53:17,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-02-15 04:53:17,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 397. [2022-02-15 04:53:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 392 states have (on average 1.5204081632653061) internal successors, (596), 392 states have internal predecessors, (596), 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 04:53:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 600 transitions. [2022-02-15 04:53:17,871 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 600 transitions. Word has length 131 [2022-02-15 04:53:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:17,871 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 600 transitions. [2022-02-15 04:53:17,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:53:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 600 transitions. [2022-02-15 04:53:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-15 04:53:17,877 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:17,877 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:53:17,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-15 04:53:17,877 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:17,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1060012237, now seen corresponding path program 1 times [2022-02-15 04:53:17,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:17,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410110394] [2022-02-15 04:53:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:17,903 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:17,908 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:17,994 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 04:53:17,995 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:17,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410110394] [2022-02-15 04:53:17,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [410110394] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:17,995 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:17,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:17,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842690863] [2022-02-15 04:53:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:17,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:17,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:17,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:17,996 INFO L87 Difference]: Start difference. First operand 397 states and 600 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 04:53:19,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:21,834 WARN L534 Checker$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 04:53:23,857 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 04:53:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:24,278 INFO L93 Difference]: Finished difference Result 872 states and 1323 transitions. [2022-02-15 04:53:24,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:24,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-02-15 04:53:24,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:24,280 INFO L225 Difference]: With dead ends: 872 [2022-02-15 04:53:24,280 INFO L226 Difference]: Without dead ends: 501 [2022-02-15 04:53:24,281 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 04:53:24,282 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 99 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:24,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 371 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 465 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 04:53:24,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-02-15 04:53:24,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 440. [2022-02-15 04:53:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 435 states have (on average 1.5264367816091955) internal successors, (664), 435 states have internal predecessors, (664), 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 04:53:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 668 transitions. [2022-02-15 04:53:24,319 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 668 transitions. Word has length 131 [2022-02-15 04:53:24,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:24,320 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 668 transitions. [2022-02-15 04:53:24,320 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 04:53:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 668 transitions. [2022-02-15 04:53:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-15 04:53:24,321 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:24,321 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:53:24,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-15 04:53:24,321 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:24,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:24,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1250342465, now seen corresponding path program 1 times [2022-02-15 04:53:24,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:24,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124817602] [2022-02-15 04:53:24,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:24,341 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:24,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:24,346 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:53:24,427 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:24,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124817602] [2022-02-15 04:53:24,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [124817602] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:24,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:24,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:24,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723369833] [2022-02-15 04:53:24,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:24,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:24,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:24,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:24,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:24,428 INFO L87 Difference]: Start difference. First operand 440 states and 668 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:53:26,969 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 04:53:28,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:30,273 WARN L534 Checker$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 04:53:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:30,682 INFO L93 Difference]: Finished difference Result 918 states and 1396 transitions. [2022-02-15 04:53:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:30,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 131 [2022-02-15 04:53:30,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:30,684 INFO L225 Difference]: With dead ends: 918 [2022-02-15 04:53:30,684 INFO L226 Difference]: Without dead ends: 504 [2022-02-15 04:53:30,685 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 04:53:30,685 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 126 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:30,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 354 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 457 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 04:53:30,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-02-15 04:53:30,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 422. [2022-02-15 04:53:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 417 states have (on average 1.5227817745803358) internal successors, (635), 417 states have internal predecessors, (635), 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 04:53:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 639 transitions. [2022-02-15 04:53:30,720 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 639 transitions. Word has length 131 [2022-02-15 04:53:30,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:30,720 INFO L470 AbstractCegarLoop]: Abstraction has 422 states and 639 transitions. [2022-02-15 04:53:30,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:53:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 639 transitions. [2022-02-15 04:53:30,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-15 04:53:30,721 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:30,721 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 04:53:30,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-15 04:53:30,721 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:30,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:30,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1992420845, now seen corresponding path program 1 times [2022-02-15 04:53:30,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:30,722 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939431303] [2022-02-15 04:53:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:30,745 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:30,751 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:30,830 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 04:53:30,831 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:30,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939431303] [2022-02-15 04:53:30,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1939431303] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:30,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:30,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:30,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394443550] [2022-02-15 04:53:30,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:30,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:30,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:30,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:30,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:30,832 INFO L87 Difference]: Start difference. First operand 422 states and 639 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 04:53:33,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:35,238 WARN L534 Checker$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 04:53:36,989 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 04:53:37,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:37,400 INFO L93 Difference]: Finished difference Result 891 states and 1355 transitions. [2022-02-15 04:53:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:37,400 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 04:53:37,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:37,402 INFO L225 Difference]: With dead ends: 891 [2022-02-15 04:53:37,402 INFO L226 Difference]: Without dead ends: 495 [2022-02-15 04:53:37,403 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 04:53:37,403 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 52 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:37,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 483 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 476 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-02-15 04:53:37,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2022-02-15 04:53:37,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 465. [2022-02-15 04:53:37,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 460 states have (on average 1.5217391304347827) internal successors, (700), 460 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 04:53:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 704 transitions. [2022-02-15 04:53:37,448 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 704 transitions. Word has length 132 [2022-02-15 04:53:37,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:37,448 INFO L470 AbstractCegarLoop]: Abstraction has 465 states and 704 transitions. [2022-02-15 04:53:37,448 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 04:53:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 704 transitions. [2022-02-15 04:53:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-15 04:53:37,449 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:37,449 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 04:53:37,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-15 04:53:37,450 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:37,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:37,450 INFO L85 PathProgramCache]: Analyzing trace with hash 113289899, now seen corresponding path program 1 times [2022-02-15 04:53:37,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:37,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979464363] [2022-02-15 04:53:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:37,472 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:37,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:37,477 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:37,560 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 04:53:37,560 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:37,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979464363] [2022-02-15 04:53:37,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [979464363] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:37,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:37,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:37,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421864398] [2022-02-15 04:53:37,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:37,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:37,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:37,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:37,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:37,562 INFO L87 Difference]: Start difference. First operand 465 states and 704 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 04:53:39,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:41,364 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 04:53:42,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:42,498 INFO L93 Difference]: Finished difference Result 968 states and 1468 transitions. [2022-02-15 04:53:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:42,498 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 04:53:42,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:42,500 INFO L225 Difference]: With dead ends: 968 [2022-02-15 04:53:42,500 INFO L226 Difference]: Without dead ends: 527 [2022-02-15 04:53:42,500 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 04:53:42,501 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 99 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:42,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 374 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 467 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-02-15 04:53:42,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-02-15 04:53:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 467. [2022-02-15 04:53:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 462 states have (on average 1.5216450216450217) internal successors, (703), 462 states have internal predecessors, (703), 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 04:53:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 707 transitions. [2022-02-15 04:53:42,538 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 707 transitions. Word has length 132 [2022-02-15 04:53:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:42,539 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 707 transitions. [2022-02-15 04:53:42,539 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 04:53:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 707 transitions. [2022-02-15 04:53:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 04:53:42,540 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:42,540 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:53:42,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-15 04:53:42,540 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:42,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:42,540 INFO L85 PathProgramCache]: Analyzing trace with hash 372080641, now seen corresponding path program 1 times [2022-02-15 04:53:42,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:42,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709460682] [2022-02-15 04:53:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:42,561 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:42,566 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:42,646 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 04:53:42,646 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:42,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709460682] [2022-02-15 04:53:42,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [709460682] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:42,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:42,647 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:42,647 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134895023] [2022-02-15 04:53:42,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:42,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:42,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:42,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:42,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:42,647 INFO L87 Difference]: Start difference. First operand 467 states and 707 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 04:53:44,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:46,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:48,736 WARN L534 Checker$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 04:53:49,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:49,161 INFO L93 Difference]: Finished difference Result 938 states and 1425 transitions. [2022-02-15 04:53:49,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:49,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-15 04:53:49,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:49,163 INFO L225 Difference]: With dead ends: 938 [2022-02-15 04:53:49,163 INFO L226 Difference]: Without dead ends: 497 [2022-02-15 04:53:49,164 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 04:53:49,164 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 62 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:49,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 489 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 477 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-02-15 04:53:49,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-02-15 04:53:49,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 467. [2022-02-15 04:53:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 462 states have (on average 1.5194805194805194) internal successors, (702), 462 states have internal predecessors, (702), 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 04:53:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 706 transitions. [2022-02-15 04:53:49,193 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 706 transitions. Word has length 144 [2022-02-15 04:53:49,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:49,194 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 706 transitions. [2022-02-15 04:53:49,194 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 04:53:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 706 transitions. [2022-02-15 04:53:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-15 04:53:49,195 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:49,195 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:53:49,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-15 04:53:49,195 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:49,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:49,195 INFO L85 PathProgramCache]: Analyzing trace with hash -684650561, now seen corresponding path program 1 times [2022-02-15 04:53:49,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:49,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173865114] [2022-02-15 04:53:49,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:49,233 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:49,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:49,239 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:49,329 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 04:53:49,329 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:49,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173865114] [2022-02-15 04:53:49,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1173865114] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:49,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:49,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:49,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307443221] [2022-02-15 04:53:49,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:49,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:49,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:49,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:49,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:49,331 INFO L87 Difference]: Start difference. First operand 467 states and 706 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 04:53:50,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:53:52,805 WARN L534 Checker$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 04:53:54,829 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 04:53:55,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:53:55,791 INFO L93 Difference]: Finished difference Result 1010 states and 1530 transitions. [2022-02-15 04:53:55,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:53:55,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-15 04:53:55,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:53:55,793 INFO L225 Difference]: With dead ends: 1010 [2022-02-15 04:53:55,793 INFO L226 Difference]: Without dead ends: 569 [2022-02-15 04:53:55,794 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 04:53:55,795 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 110 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 46 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:53:55,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 376 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 467 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-02-15 04:53:55,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2022-02-15 04:53:55,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 497. [2022-02-15 04:53:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 492 states have (on average 1.5101626016260163) internal successors, (743), 492 states have internal predecessors, (743), 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 04:53:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 747 transitions. [2022-02-15 04:53:55,828 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 747 transitions. Word has length 144 [2022-02-15 04:53:55,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:53:55,829 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 747 transitions. [2022-02-15 04:53:55,829 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 04:53:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 747 transitions. [2022-02-15 04:53:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-15 04:53:55,830 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:53:55,830 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:53:55,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-15 04:53:55,830 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:53:55,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:53:55,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1467985308, now seen corresponding path program 1 times [2022-02-15 04:53:55,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:53:55,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845716135] [2022-02-15 04:53:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:53:55,861 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:53:55,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:53:55,868 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:53:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:53:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:53:55,962 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 04:53:55,962 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:53:55,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845716135] [2022-02-15 04:53:55,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [845716135] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:53:55,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:53:55,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:53:55,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836827069] [2022-02-15 04:53:55,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:53:55,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:53:55,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:53:55,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:53:55,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:53:55,963 INFO L87 Difference]: Start difference. First operand 497 states and 747 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 04:53:57,028 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 04:53:58,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:00,893 WARN L534 Checker$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 04:54:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:01,470 INFO L93 Difference]: Finished difference Result 996 states and 1503 transitions. [2022-02-15 04:54:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:01,471 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 04:54:01,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:01,472 INFO L225 Difference]: With dead ends: 996 [2022-02-15 04:54:01,472 INFO L226 Difference]: Without dead ends: 525 [2022-02-15 04:54:01,473 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 04:54:01,474 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 59 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:01,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 487 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-02-15 04:54:01,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-02-15 04:54:01,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 497. [2022-02-15 04:54:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 492 states have (on average 1.508130081300813) internal successors, (742), 492 states have internal predecessors, (742), 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 04:54:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 746 transitions. [2022-02-15 04:54:01,507 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 746 transitions. Word has length 145 [2022-02-15 04:54:01,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:01,508 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 746 transitions. [2022-02-15 04:54:01,508 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 04:54:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 746 transitions. [2022-02-15 04:54:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-02-15 04:54:01,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:01,509 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:01,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-15 04:54:01,509 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:01,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1225910882, now seen corresponding path program 1 times [2022-02-15 04:54:01,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:01,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392532405] [2022-02-15 04:54:01,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:01,533 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:01,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:01,541 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:01,630 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 04:54:01,630 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:01,630 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392532405] [2022-02-15 04:54:01,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1392532405] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:01,631 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:01,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:01,631 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206029799] [2022-02-15 04:54:01,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:01,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:01,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:01,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:01,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:01,632 INFO L87 Difference]: Start difference. First operand 497 states and 746 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 04:54:04,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:06,515 WARN L534 Checker$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 04:54:08,541 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 04:54:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:08,984 INFO L93 Difference]: Finished difference Result 1028 states and 1545 transitions. [2022-02-15 04:54:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:08,984 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 04:54:08,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:08,986 INFO L225 Difference]: With dead ends: 1028 [2022-02-15 04:54:08,986 INFO L226 Difference]: Without dead ends: 557 [2022-02-15 04:54:08,987 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 04:54:08,987 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 109 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 52 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:08,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 376 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 463 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2022-02-15 04:54:08,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2022-02-15 04:54:09,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 497. [2022-02-15 04:54:09,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 492 states have (on average 1.4959349593495934) internal successors, (736), 492 states have internal predecessors, (736), 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 04:54:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 740 transitions. [2022-02-15 04:54:09,023 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 740 transitions. Word has length 145 [2022-02-15 04:54:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:09,023 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 740 transitions. [2022-02-15 04:54:09,024 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 04:54:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 740 transitions. [2022-02-15 04:54:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 04:54:09,024 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:09,025 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:09,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-15 04:54:09,025 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:09,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:09,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1689340650, now seen corresponding path program 1 times [2022-02-15 04:54:09,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:09,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922149441] [2022-02-15 04:54:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:09,061 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:09,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:09,069 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:09,152 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 04:54:09,152 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:09,152 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922149441] [2022-02-15 04:54:09,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1922149441] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:09,152 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:09,152 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:09,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712386512] [2022-02-15 04:54:09,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:09,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:09,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:09,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:09,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:09,153 INFO L87 Difference]: Start difference. First operand 497 states and 740 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:11,171 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 04:54:11,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:11,588 INFO L93 Difference]: Finished difference Result 996 states and 1489 transitions. [2022-02-15 04:54:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:11,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 147 [2022-02-15 04:54:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:11,590 INFO L225 Difference]: With dead ends: 996 [2022-02-15 04:54:11,590 INFO L226 Difference]: Without dead ends: 525 [2022-02-15 04:54:11,591 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 04:54:11,591 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 61 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:11,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 513 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 487 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:54:11,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-02-15 04:54:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 497. [2022-02-15 04:54:11,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 492 states have (on average 1.4939024390243902) internal successors, (735), 492 states have internal predecessors, (735), 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 04:54:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 739 transitions. [2022-02-15 04:54:11,643 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 739 transitions. Word has length 147 [2022-02-15 04:54:11,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:11,644 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 739 transitions. [2022-02-15 04:54:11,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 739 transitions. [2022-02-15 04:54:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-15 04:54:11,645 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:11,645 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:11,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-15 04:54:11,645 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:11,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:11,645 INFO L85 PathProgramCache]: Analyzing trace with hash -658299752, now seen corresponding path program 1 times [2022-02-15 04:54:11,645 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:11,645 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911152623] [2022-02-15 04:54:11,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:11,672 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:11,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:11,678 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:11,767 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 04:54:11,767 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:11,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911152623] [2022-02-15 04:54:11,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [911152623] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:11,767 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:11,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:11,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382017602] [2022-02-15 04:54:11,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:11,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:11,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:11,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:11,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:11,768 INFO L87 Difference]: Start difference. First operand 497 states and 739 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 04:54:14,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:15,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:17,693 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 04:54:18,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:18,081 INFO L93 Difference]: Finished difference Result 1003 states and 1498 transitions. [2022-02-15 04:54:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:18,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 147 [2022-02-15 04:54:18,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:18,083 INFO L225 Difference]: With dead ends: 1003 [2022-02-15 04:54:18,083 INFO L226 Difference]: Without dead ends: 532 [2022-02-15 04:54:18,084 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 04:54:18,084 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 25 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:18,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 571 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 419 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 04:54:18,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-02-15 04:54:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 521. [2022-02-15 04:54:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 516 states have (on average 1.4903100775193798) internal successors, (769), 516 states have internal predecessors, (769), 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 04:54:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 773 transitions. [2022-02-15 04:54:18,122 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 773 transitions. Word has length 147 [2022-02-15 04:54:18,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:18,122 INFO L470 AbstractCegarLoop]: Abstraction has 521 states and 773 transitions. [2022-02-15 04:54:18,122 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 04:54:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 773 transitions. [2022-02-15 04:54:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-02-15 04:54:18,123 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:18,123 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:18,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-15 04:54:18,124 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:18,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1375240965, now seen corresponding path program 1 times [2022-02-15 04:54:18,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:18,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491096233] [2022-02-15 04:54:18,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:18,149 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:18,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:18,156 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:18,242 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 04:54:18,242 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:18,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491096233] [2022-02-15 04:54:18,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1491096233] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:18,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:18,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:18,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477086081] [2022-02-15 04:54:18,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:18,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:18,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:18,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:18,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:18,244 INFO L87 Difference]: Start difference. First operand 521 states and 773 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:19,351 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 04:54:21,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:23,393 WARN L534 Checker$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 04:54:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:24,211 INFO L93 Difference]: Finished difference Result 1076 states and 1599 transitions. [2022-02-15 04:54:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:24,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 148 [2022-02-15 04:54:24,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:24,213 INFO L225 Difference]: With dead ends: 1076 [2022-02-15 04:54:24,213 INFO L226 Difference]: Without dead ends: 581 [2022-02-15 04:54:24,214 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 04:54:24,214 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 110 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:24,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 356 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 454 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-02-15 04:54:24,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2022-02-15 04:54:24,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 521. [2022-02-15 04:54:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 516 states have (on average 1.4748062015503876) internal successors, (761), 516 states have internal predecessors, (761), 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 04:54:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 765 transitions. [2022-02-15 04:54:24,254 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 765 transitions. Word has length 148 [2022-02-15 04:54:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:24,255 INFO L470 AbstractCegarLoop]: Abstraction has 521 states and 765 transitions. [2022-02-15 04:54:24,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 765 transitions. [2022-02-15 04:54:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-02-15 04:54:24,256 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:24,256 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:24,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-15 04:54:24,256 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:24,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:24,256 INFO L85 PathProgramCache]: Analyzing trace with hash 119393834, now seen corresponding path program 1 times [2022-02-15 04:54:24,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:24,257 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401570888] [2022-02-15 04:54:24,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:24,279 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:24,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:24,286 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:24,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:24,379 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 04:54:24,379 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:24,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401570888] [2022-02-15 04:54:24,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [401570888] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:24,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:24,380 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:24,380 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159337301] [2022-02-15 04:54:24,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:24,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:24,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:24,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:24,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:24,381 INFO L87 Difference]: Start difference. First operand 521 states and 765 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 04:54:27,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:29,293 WARN L534 Checker$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 04:54:31,320 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 04:54:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:31,769 INFO L93 Difference]: Finished difference Result 1118 states and 1645 transitions. [2022-02-15 04:54:31,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:31,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 154 [2022-02-15 04:54:31,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:31,772 INFO L225 Difference]: With dead ends: 1118 [2022-02-15 04:54:31,772 INFO L226 Difference]: Without dead ends: 623 [2022-02-15 04:54:31,773 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 04:54:31,773 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 103 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 52 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:31,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 356 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 454 Invalid, 3 Unknown, 0 Unchecked, 7.3s Time] [2022-02-15 04:54:31,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-02-15 04:54:31,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 556. [2022-02-15 04:54:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 551 states have (on average 1.4682395644283122) internal successors, (809), 551 states have internal predecessors, (809), 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 04:54:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 813 transitions. [2022-02-15 04:54:31,831 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 813 transitions. Word has length 154 [2022-02-15 04:54:31,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:31,832 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 813 transitions. [2022-02-15 04:54:31,832 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 04:54:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 813 transitions. [2022-02-15 04:54:31,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-15 04:54:31,833 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:31,833 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:31,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-15 04:54:31,833 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:31,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:31,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1786107254, now seen corresponding path program 1 times [2022-02-15 04:54:31,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:31,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114417092] [2022-02-15 04:54:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:31,858 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:31,866 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:31,951 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 04:54:31,951 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:31,951 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114417092] [2022-02-15 04:54:31,951 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [114417092] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:31,951 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:31,951 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:31,951 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802695360] [2022-02-15 04:54:31,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:31,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:31,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:31,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:31,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:31,952 INFO L87 Difference]: Start difference. First operand 556 states and 813 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 04:54:33,976 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 04:54:35,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:37,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:38,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:38,257 INFO L93 Difference]: Finished difference Result 1104 states and 1620 transitions. [2022-02-15 04:54:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:38,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 155 [2022-02-15 04:54:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:38,259 INFO L225 Difference]: With dead ends: 1104 [2022-02-15 04:54:38,259 INFO L226 Difference]: Without dead ends: 574 [2022-02-15 04:54:38,260 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 04:54:38,260 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 40 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:38,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 507 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-02-15 04:54:38,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-02-15 04:54:38,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 556. [2022-02-15 04:54:38,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 551 states have (on average 1.4664246823956444) internal successors, (808), 551 states have internal predecessors, (808), 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 04:54:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 812 transitions. [2022-02-15 04:54:38,305 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 812 transitions. Word has length 155 [2022-02-15 04:54:38,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:38,306 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 812 transitions. [2022-02-15 04:54:38,306 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 04:54:38,306 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 812 transitions. [2022-02-15 04:54:38,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-02-15 04:54:38,307 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:38,307 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:38,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-15 04:54:38,307 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:38,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:38,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1247849652, now seen corresponding path program 1 times [2022-02-15 04:54:38,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:38,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090667116] [2022-02-15 04:54:38,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:38,338 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:38,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:38,345 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:38,438 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 04:54:38,439 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:38,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090667116] [2022-02-15 04:54:38,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1090667116] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:38,439 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:38,439 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:38,439 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166692601] [2022-02-15 04:54:38,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:38,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:38,439 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:38,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:38,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:38,440 INFO L87 Difference]: Start difference. First operand 556 states and 812 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:40,460 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 04:54:40,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:40,874 INFO L93 Difference]: Finished difference Result 1104 states and 1618 transitions. [2022-02-15 04:54:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:40,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 169 [2022-02-15 04:54:40,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:40,876 INFO L225 Difference]: With dead ends: 1104 [2022-02-15 04:54:40,876 INFO L226 Difference]: Without dead ends: 574 [2022-02-15 04:54:40,877 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 04:54:40,878 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 51 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:40,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 517 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 456 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:54:40,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-02-15 04:54:40,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 556. [2022-02-15 04:54:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 551 states have (on average 1.4646098003629764) internal successors, (807), 551 states have internal predecessors, (807), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 811 transitions. [2022-02-15 04:54:40,924 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 811 transitions. Word has length 169 [2022-02-15 04:54:40,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:40,925 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 811 transitions. [2022-02-15 04:54:40,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:40,925 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 811 transitions. [2022-02-15 04:54:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-02-15 04:54:40,926 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:40,926 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:40,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-15 04:54:40,926 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:40,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:40,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1735896758, now seen corresponding path program 1 times [2022-02-15 04:54:40,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:40,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890638340] [2022-02-15 04:54:40,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:40,962 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:40,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:40,970 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:41,058 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 04:54:41,058 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:41,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890638340] [2022-02-15 04:54:41,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1890638340] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:41,058 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:41,058 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:54:41,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385859132] [2022-02-15 04:54:41,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:41,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:54:41,059 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:41,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:54:41,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:54:41,059 INFO L87 Difference]: Start difference. First operand 556 states and 811 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 04:54:43,634 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 04:54:44,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:44,820 INFO L93 Difference]: Finished difference Result 1179 states and 1722 transitions. [2022-02-15 04:54:44,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:54:44,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 169 [2022-02-15 04:54:44,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:44,822 INFO L225 Difference]: With dead ends: 1179 [2022-02-15 04:54:44,822 INFO L226 Difference]: Without dead ends: 649 [2022-02-15 04:54:44,822 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 04:54:44,823 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 101 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:44,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 376 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 436 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-02-15 04:54:44,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-02-15 04:54:44,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 584. [2022-02-15 04:54:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 579 states have (on average 1.454231433506045) internal successors, (842), 579 states have internal predecessors, (842), 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 04:54:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 846 transitions. [2022-02-15 04:54:44,871 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 846 transitions. Word has length 169 [2022-02-15 04:54:44,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:44,872 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 846 transitions. [2022-02-15 04:54:44,872 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 04:54:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 846 transitions. [2022-02-15 04:54:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-02-15 04:54:44,873 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:44,873 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:44,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-15 04:54:44,873 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:44,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1273813535, now seen corresponding path program 1 times [2022-02-15 04:54:44,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:44,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434280880] [2022-02-15 04:54:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:44,918 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:44,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:44,927 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:45,038 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 04:54:45,039 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:45,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434280880] [2022-02-15 04:54:45,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1434280880] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:45,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:45,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:54:45,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412786140] [2022-02-15 04:54:45,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:45,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:54:45,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:45,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:54:45,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:54:45,040 INFO L87 Difference]: Start difference. First operand 584 states and 846 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:47,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:49,702 WARN L534 Checker$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 04:54:50,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:50,188 INFO L93 Difference]: Finished difference Result 1693 states and 2470 transitions. [2022-02-15 04:54:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:54:50,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 172 [2022-02-15 04:54:50,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:50,192 INFO L225 Difference]: With dead ends: 1693 [2022-02-15 04:54:50,192 INFO L226 Difference]: Without dead ends: 1135 [2022-02-15 04:54:50,192 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 04:54:50,193 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 139 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:50,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 566 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 403 Invalid, 2 Unknown, 0 Unchecked, 5.0s Time] [2022-02-15 04:54:50,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-02-15 04:54:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2022-02-15 04:54:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1130 states have (on average 1.4539823008849557) internal successors, (1643), 1130 states have internal predecessors, (1643), 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 04:54:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1647 transitions. [2022-02-15 04:54:50,288 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1647 transitions. Word has length 172 [2022-02-15 04:54:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:50,289 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 1647 transitions. [2022-02-15 04:54:50,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1647 transitions. [2022-02-15 04:54:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-02-15 04:54:50,290 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:50,290 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:50,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-15 04:54:50,291 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:50,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1092926880, now seen corresponding path program 1 times [2022-02-15 04:54:50,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:50,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200972887] [2022-02-15 04:54:50,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:50,328 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:50,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:50,341 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:50,422 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 04:54:50,422 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:50,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200972887] [2022-02-15 04:54:50,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [200972887] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:50,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:50,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:54:50,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317524856] [2022-02-15 04:54:50,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:50,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:54:50,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:50,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:54:50,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:54:50,423 INFO L87 Difference]: Start difference. First operand 1135 states and 1647 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:51,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:53,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:54:53,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:53,962 INFO L93 Difference]: Finished difference Result 2763 states and 4025 transitions. [2022-02-15 04:54:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:54:53,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 173 [2022-02-15 04:54:53,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:53,967 INFO L225 Difference]: With dead ends: 2763 [2022-02-15 04:54:53,967 INFO L226 Difference]: Without dead ends: 1654 [2022-02-15 04:54:53,969 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 04:54:53,969 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 136 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:53,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 567 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-02-15 04:54:53,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-02-15 04:54:54,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-02-15 04:54:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1649 states have (on average 1.4536082474226804) internal successors, (2397), 1649 states have internal predecessors, (2397), 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 04:54:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2401 transitions. [2022-02-15 04:54:54,122 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2401 transitions. Word has length 173 [2022-02-15 04:54:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:54,123 INFO L470 AbstractCegarLoop]: Abstraction has 1654 states and 2401 transitions. [2022-02-15 04:54:54,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2401 transitions. [2022-02-15 04:54:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-15 04:54:54,125 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:54,125 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:54,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-15 04:54:54,125 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:54,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:54,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1871330300, now seen corresponding path program 1 times [2022-02-15 04:54:54,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:54,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359725384] [2022-02-15 04:54:54,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:54,168 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:54,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:54,176 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:54,272 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 04:54:54,272 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:54,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359725384] [2022-02-15 04:54:54,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [359725384] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:54,272 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:54,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:54:54,272 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320767217] [2022-02-15 04:54:54,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:54,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:54:54,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:54,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:54:54,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:54:54,274 INFO L87 Difference]: Start difference. First operand 1654 states and 2401 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 04:54:56,291 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 04:54:56,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:54:56,774 INFO L93 Difference]: Finished difference Result 3792 states and 5521 transitions. [2022-02-15 04:54:56,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:54:56,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-02-15 04:54:56,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:54:56,780 INFO L225 Difference]: With dead ends: 3792 [2022-02-15 04:54:56,780 INFO L226 Difference]: Without dead ends: 2164 [2022-02-15 04:54:56,783 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 04:54:56,783 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 138 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:54:56,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 447 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 283 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 04:54:56,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2022-02-15 04:54:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2164. [2022-02-15 04:54:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2164 states, 2159 states have (on average 1.4539138490041685) internal successors, (3139), 2159 states have internal predecessors, (3139), 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 04:54:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 3143 transitions. [2022-02-15 04:54:56,991 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 3143 transitions. Word has length 174 [2022-02-15 04:54:56,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:54:56,991 INFO L470 AbstractCegarLoop]: Abstraction has 2164 states and 3143 transitions. [2022-02-15 04:54:56,991 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 04:54:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 3143 transitions. [2022-02-15 04:54:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-15 04:54:56,994 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:54:56,994 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:54:56,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-15 04:54:56,994 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:54:56,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:54:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1286558650, now seen corresponding path program 1 times [2022-02-15 04:54:56,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:54:56,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138496183] [2022-02-15 04:54:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:54:57,032 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:54:57,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:54:57,040 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:54:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:54:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:54:57,106 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 04:54:57,106 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:54:57,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138496183] [2022-02-15 04:54:57,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [138496183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:54:57,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:54:57,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:54:57,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15114365] [2022-02-15 04:54:57,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:54:57,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:54:57,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:54:57,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:54:57,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:54:57,107 INFO L87 Difference]: Start difference. First operand 2164 states and 3143 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:54:58,497 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 04:55:01,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:55:01,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:55:01,588 INFO L93 Difference]: Finished difference Result 4329 states and 6293 transitions. [2022-02-15 04:55:01,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:55:01,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-02-15 04:55:01,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:55:01,594 INFO L225 Difference]: With dead ends: 4329 [2022-02-15 04:55:01,594 INFO L226 Difference]: Without dead ends: 2191 [2022-02-15 04:55:01,596 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 04:55:01,597 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:55:01,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 413 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-15 04:55:01,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2022-02-15 04:55:01,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2191. [2022-02-15 04:55:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2186 states have (on average 1.4519670631290027) internal successors, (3174), 2186 states have internal predecessors, (3174), 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 04:55:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 3178 transitions. [2022-02-15 04:55:01,795 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 3178 transitions. Word has length 174 [2022-02-15 04:55:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:55:01,795 INFO L470 AbstractCegarLoop]: Abstraction has 2191 states and 3178 transitions. [2022-02-15 04:55:01,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:55:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 3178 transitions. [2022-02-15 04:55:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-02-15 04:55:01,798 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:55:01,798 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:55:01,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-15 04:55:01,798 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:55:01,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:55:01,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1021911160, now seen corresponding path program 1 times [2022-02-15 04:55:01,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:55:01,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556299591] [2022-02-15 04:55:01,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:55:01,845 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:55:01,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:55:01,855 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:55:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:55:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:55:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:55:01,924 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 04:55:01,924 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:55:01,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556299591] [2022-02-15 04:55:01,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1556299591] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:55:01,925 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:55:01,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:55:01,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202000073] [2022-02-15 04:55:01,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:55:01,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:55:01,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:55:01,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:55:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:55:01,925 INFO L87 Difference]: Start difference. First operand 2191 states and 3178 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:55:05,604 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 04:55:06,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:55:06,040 INFO L93 Difference]: Finished difference Result 4358 states and 6329 transitions. [2022-02-15 04:55:06,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:55:06,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 174 [2022-02-15 04:55:06,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:55:06,047 INFO L225 Difference]: With dead ends: 4358 [2022-02-15 04:55:06,047 INFO L226 Difference]: Without dead ends: 2193 [2022-02-15 04:55:06,051 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 04:55:06,051 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 4 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:55:06,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 392 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-02-15 04:55:06,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2022-02-15 04:55:06,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2193. [2022-02-15 04:55:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2193 states, 2188 states have (on average 1.4515539305301646) internal successors, (3176), 2188 states have internal predecessors, (3176), 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 04:55:06,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 3180 transitions. [2022-02-15 04:55:06,266 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 3180 transitions. Word has length 174 [2022-02-15 04:55:06,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:55:06,266 INFO L470 AbstractCegarLoop]: Abstraction has 2193 states and 3180 transitions. [2022-02-15 04:55:06,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:55:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 3180 transitions. [2022-02-15 04:55:06,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-02-15 04:55:06,270 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:55:06,270 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 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 04:55:06,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-15 04:55:06,270 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:55:06,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:55:06,270 INFO L85 PathProgramCache]: Analyzing trace with hash 174962151, now seen corresponding path program 1 times [2022-02-15 04:55:06,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:55:06,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643109809] [2022-02-15 04:55:06,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:55:06,335 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:55:06,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:55:06,344 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:55:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:55:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:55:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:55:06,502 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 04:55:06,502 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:55:06,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643109809] [2022-02-15 04:55:06,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [643109809] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:55:06,502 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:55:06,502 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:55:06,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651177031] [2022-02-15 04:55:06,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:55:06,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:55:06,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:55:06,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:55:06,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:55:06,503 INFO L87 Difference]: Start difference. First operand 2193 states and 3180 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:55:07,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:55:09,855 WARN L534 Checker$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 04:55:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:55:11,898 INFO L93 Difference]: Finished difference Result 4599 states and 6659 transitions. [2022-02-15 04:55:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:55:11,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 278 [2022-02-15 04:55:11,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:55:11,903 INFO L225 Difference]: With dead ends: 4599 [2022-02-15 04:55:11,903 INFO L226 Difference]: Without dead ends: 2434 [2022-02-15 04:55:11,907 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 04:55:11,907 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 42 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-15 04:55:11,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 593 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-02-15 04:55:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2022-02-15 04:55:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2337. [2022-02-15 04:55:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2337 states, 2332 states have (on average 1.451114922813036) internal successors, (3384), 2332 states have internal predecessors, (3384), 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 04:55:12,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2337 states and 3388 transitions. [2022-02-15 04:55:12,135 INFO L78 Accepts]: Start accepts. Automaton has 2337 states and 3388 transitions. Word has length 278 [2022-02-15 04:55:12,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:55:12,135 INFO L470 AbstractCegarLoop]: Abstraction has 2337 states and 3388 transitions. [2022-02-15 04:55:12,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:55:12,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 3388 transitions. [2022-02-15 04:55:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-02-15 04:55:12,139 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:55:12,139 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:55:12,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-15 04:55:12,139 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:55:12,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:55:12,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2103156925, now seen corresponding path program 1 times [2022-02-15 04:55:12,139 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:55:12,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121198264] [2022-02-15 04:55:12,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:55:32,438 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:55:32,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:55:32,448 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:55:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:55:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:55:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:55:32,970 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 04:55:32,970 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:55:32,970 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121198264] [2022-02-15 04:55:32,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [121198264] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:55:32,970 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:55:32,970 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-15 04:55:32,970 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065040415] [2022-02-15 04:55:32,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:55:32,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-15 04:55:32,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:55:32,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-15 04:55:32,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-02-15 04:55:32,971 INFO L87 Difference]: Start difference. First operand 2337 states and 3388 transitions. Second operand has 16 states, 16 states have (on average 14.5) internal successors, (232), 15 states have internal predecessors, (232), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:55:35,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:55:37,335 WARN L534 Checker$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 04:55:39,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:55:41,381 WARN L534 Checker$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 04:55:43,405 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 04:55:50,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:55:50,108 INFO L93 Difference]: Finished difference Result 13621 states and 19682 transitions. [2022-02-15 04:55:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-15 04:55:50,109 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 14.5) internal successors, (232), 15 states have internal predecessors, (232), 1 states have call successors, (3), 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 297 [2022-02-15 04:55:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:55:50,128 INFO L225 Difference]: With dead ends: 13621 [2022-02-15 04:55:50,128 INFO L226 Difference]: Without dead ends: 11312 [2022-02-15 04:55:50,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=549, Invalid=2313, Unknown=0, NotChecked=0, Total=2862 [2022-02-15 04:55:50,134 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1871 mSDsluCounter, 3497 mSDsCounter, 0 mSdLazyCounter, 4559 mSolverCounterSat, 554 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 3901 SdHoareTripleChecker+Invalid, 5118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 4559 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-02-15 04:55:50,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1871 Valid, 3901 Invalid, 5118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [554 Valid, 4559 Invalid, 5 Unknown, 0 Unchecked, 14.8s Time] [2022-02-15 04:55:50,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11312 states. [2022-02-15 04:55:51,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11312 to 7663. [2022-02-15 04:55:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7663 states, 7658 states have (on average 1.4680073126142597) internal successors, (11242), 7658 states have internal predecessors, (11242), 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 04:55:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7663 states to 7663 states and 11246 transitions. [2022-02-15 04:55:51,143 INFO L78 Accepts]: Start accepts. Automaton has 7663 states and 11246 transitions. Word has length 297 [2022-02-15 04:55:51,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:55:51,143 INFO L470 AbstractCegarLoop]: Abstraction has 7663 states and 11246 transitions. [2022-02-15 04:55:51,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 14.5) internal successors, (232), 15 states have internal predecessors, (232), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:55:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 7663 states and 11246 transitions. [2022-02-15 04:55:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-02-15 04:55:51,153 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:55:51,153 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:55:51,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-15 04:55:51,154 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:55:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:55:51,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1762152065, now seen corresponding path program 1 times [2022-02-15 04:55:51,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:55:51,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741171659] [2022-02-15 04:55:51,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:56:16,013 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:56:16,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:56:16,022 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:56:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:56:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:56:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:56:16,182 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 04:56:16,182 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:56:16,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741171659] [2022-02-15 04:56:16,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [741171659] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:56:16,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:56:16,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:56:16,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531768408] [2022-02-15 04:56:16,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:56:16,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:56:16,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:56:16,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:56:16,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:56:16,183 INFO L87 Difference]: Start difference. First operand 7663 states and 11246 transitions. Second operand has 7 states, 7 states have (on average 28.714285714285715) internal successors, (201), 6 states have internal predecessors, (201), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:56:18,192 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 04:56:20,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:56:20,215 INFO L93 Difference]: Finished difference Result 17362 states and 25329 transitions. [2022-02-15 04:56:20,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 04:56:20,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.714285714285715) internal successors, (201), 6 states have internal predecessors, (201), 1 states have call successors, (3), 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 297 [2022-02-15 04:56:20,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:56:20,232 INFO L225 Difference]: With dead ends: 17362 [2022-02-15 04:56:20,232 INFO L226 Difference]: Without dead ends: 9727 [2022-02-15 04:56:20,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-15 04:56:20,243 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 273 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 129 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:56:20,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 669 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 777 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-02-15 04:56:20,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9727 states. [2022-02-15 04:56:21,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9727 to 7663. [2022-02-15 04:56:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7663 states, 7658 states have (on average 1.4661791590493602) internal successors, (11228), 7658 states have internal predecessors, (11228), 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 04:56:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7663 states to 7663 states and 11232 transitions. [2022-02-15 04:56:21,269 INFO L78 Accepts]: Start accepts. Automaton has 7663 states and 11232 transitions. Word has length 297 [2022-02-15 04:56:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:56:21,269 INFO L470 AbstractCegarLoop]: Abstraction has 7663 states and 11232 transitions. [2022-02-15 04:56:21,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.714285714285715) internal successors, (201), 6 states have internal predecessors, (201), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:56:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7663 states and 11232 transitions. [2022-02-15 04:56:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-02-15 04:56:21,278 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:56:21,278 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:56:21,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-15 04:56:21,279 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:56:21,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:56:21,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1068365704, now seen corresponding path program 1 times [2022-02-15 04:56:21,279 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:56:21,279 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889502927] [2022-02-15 04:56:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:56:21,402 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:56:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:56:21,412 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:56:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:56:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:56:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:56:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:56:21,562 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:56:21,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889502927] [2022-02-15 04:56:21,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [889502927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:56:21,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:56:21,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:56:21,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822445348] [2022-02-15 04:56:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:56:21,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:56:21,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:56:21,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:56:21,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:56:21,564 INFO L87 Difference]: Start difference. First operand 7663 states and 11232 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:56:24,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:56:26,087 WARN L534 Checker$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 04:56:27,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:56:29,497 WARN L534 Checker$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 04:56:31,523 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 04:56:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:56:33,588 INFO L93 Difference]: Finished difference Result 16930 states and 24667 transitions. [2022-02-15 04:56:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:56:33,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (3), 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 298 [2022-02-15 04:56:33,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:56:33,603 INFO L225 Difference]: With dead ends: 16930 [2022-02-15 04:56:33,603 INFO L226 Difference]: Without dead ends: 9295 [2022-02-15 04:56:33,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-15 04:56:33,613 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 159 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 60 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:56:33,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 696 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 790 Invalid, 4 Unknown, 0 Unchecked, 10.5s Time] [2022-02-15 04:56:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9295 states. [2022-02-15 04:56:34,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9295 to 8053. [2022-02-15 04:56:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8053 states, 8048 states have (on average 1.4499254473161034) internal successors, (11669), 8048 states have internal predecessors, (11669), 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 04:56:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8053 states to 8053 states and 11673 transitions. [2022-02-15 04:56:34,707 INFO L78 Accepts]: Start accepts. Automaton has 8053 states and 11673 transitions. Word has length 298 [2022-02-15 04:56:34,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:56:34,708 INFO L470 AbstractCegarLoop]: Abstraction has 8053 states and 11673 transitions. [2022-02-15 04:56:34,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:56:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 8053 states and 11673 transitions. [2022-02-15 04:56:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-02-15 04:56:34,717 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:56:34,717 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-02-15 04:56:34,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-15 04:56:34,717 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:56:34,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:56:34,718 INFO L85 PathProgramCache]: Analyzing trace with hash 307776793, now seen corresponding path program 1 times [2022-02-15 04:56:34,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:56:34,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335080333] [2022-02-15 04:56:34,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:56:58,795 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:56:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:56:58,805 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:56:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:56:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:56:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:56:58,916 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 04:56:58,917 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:56:58,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335080333] [2022-02-15 04:56:58,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1335080333] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:56:58,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:56:58,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:56:58,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100979918] [2022-02-15 04:56:58,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:56:58,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:56:58,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:56:58,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:56:58,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:56:58,918 INFO L87 Difference]: Start difference. First operand 8053 states and 11673 transitions. Second operand has 5 states, 5 states have (on average 33.4) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:00,022 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 04:57:02,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:03,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:06,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:57:06,053 INFO L93 Difference]: Finished difference Result 16385 states and 23689 transitions. [2022-02-15 04:57:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:57:06,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (3), 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 298 [2022-02-15 04:57:06,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:57:06,066 INFO L225 Difference]: With dead ends: 16385 [2022-02-15 04:57:06,066 INFO L226 Difference]: Without dead ends: 8296 [2022-02-15 04:57:06,077 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 04:57:06,077 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 34 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:57:06,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 587 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 498 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-02-15 04:57:06,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8296 states. [2022-02-15 04:57:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8296 to 8037. [2022-02-15 04:57:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8037 states, 8032 states have (on average 1.4489541832669324) internal successors, (11638), 8032 states have internal predecessors, (11638), 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 04:57:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 11642 transitions. [2022-02-15 04:57:07,177 INFO L78 Accepts]: Start accepts. Automaton has 8037 states and 11642 transitions. Word has length 298 [2022-02-15 04:57:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:57:07,177 INFO L470 AbstractCegarLoop]: Abstraction has 8037 states and 11642 transitions. [2022-02-15 04:57:07,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 8037 states and 11642 transitions. [2022-02-15 04:57:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-02-15 04:57:07,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:57:07,187 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:57:07,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-15 04:57:07,187 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:57:07,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:57:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1339547025, now seen corresponding path program 1 times [2022-02-15 04:57:07,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:57:07,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349711755] [2022-02-15 04:57:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:57:07,259 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:57:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:57:07,268 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:57:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:57:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:07,399 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 04:57:07,399 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:57:07,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349711755] [2022-02-15 04:57:07,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [349711755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:57:07,399 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:57:07,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:57:07,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758269370] [2022-02-15 04:57:07,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:57:07,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:57:07,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:57:07,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:57:07,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:57:07,401 INFO L87 Difference]: Start difference. First operand 8037 states and 11642 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:08,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:10,447 WARN L534 Checker$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 04:57:12,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:14,500 WARN L534 Checker$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 04:57:16,527 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 04:57:19,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:57:19,081 INFO L93 Difference]: Finished difference Result 16418 states and 23782 transitions. [2022-02-15 04:57:19,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:57:19,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (3), 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 299 [2022-02-15 04:57:19,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:57:19,093 INFO L225 Difference]: With dead ends: 16418 [2022-02-15 04:57:19,093 INFO L226 Difference]: Without dead ends: 8409 [2022-02-15 04:57:19,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-02-15 04:57:19,103 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 103 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 44 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:57:19,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 543 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 626 Invalid, 4 Unknown, 0 Unchecked, 10.4s Time] [2022-02-15 04:57:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8409 states. [2022-02-15 04:57:20,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8409 to 8037. [2022-02-15 04:57:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8037 states, 8032 states have (on average 1.4310258964143425) internal successors, (11494), 8032 states have internal predecessors, (11494), 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 04:57:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 11498 transitions. [2022-02-15 04:57:20,241 INFO L78 Accepts]: Start accepts. Automaton has 8037 states and 11498 transitions. Word has length 299 [2022-02-15 04:57:20,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:57:20,242 INFO L470 AbstractCegarLoop]: Abstraction has 8037 states and 11498 transitions. [2022-02-15 04:57:20,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 8037 states and 11498 transitions. [2022-02-15 04:57:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-02-15 04:57:20,249 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:57:20,249 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:57:20,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-15 04:57:20,250 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:57:20,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:57:20,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1741659077, now seen corresponding path program 1 times [2022-02-15 04:57:20,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:57:20,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814078140] [2022-02-15 04:57:20,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:57:20,332 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:57:20,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:57:20,343 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:57:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:57:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:20,456 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 04:57:20,456 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:57:20,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814078140] [2022-02-15 04:57:20,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [814078140] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:57:20,456 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:57:20,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:57:20,457 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298064214] [2022-02-15 04:57:20,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:57:20,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:57:20,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:57:20,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:57:20,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:57:20,457 INFO L87 Difference]: Start difference. First operand 8037 states and 11498 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:21,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:22,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:24,796 WARN L534 Checker$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 04:57:26,162 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 04:57:27,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:57:27,760 INFO L93 Difference]: Finished difference Result 16245 states and 23216 transitions. [2022-02-15 04:57:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:57:27,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 300 [2022-02-15 04:57:27,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:57:27,772 INFO L225 Difference]: With dead ends: 16245 [2022-02-15 04:57:27,772 INFO L226 Difference]: Without dead ends: 8236 [2022-02-15 04:57:27,784 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 04:57:27,784 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 28 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-15 04:57:27,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 568 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 429 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-02-15 04:57:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8236 states. [2022-02-15 04:57:28,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8236 to 8037. [2022-02-15 04:57:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8037 states, 8032 states have (on average 1.4291583665338645) internal successors, (11479), 8032 states have internal predecessors, (11479), 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 04:57:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8037 states to 8037 states and 11483 transitions. [2022-02-15 04:57:28,893 INFO L78 Accepts]: Start accepts. Automaton has 8037 states and 11483 transitions. Word has length 300 [2022-02-15 04:57:28,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:57:28,893 INFO L470 AbstractCegarLoop]: Abstraction has 8037 states and 11483 transitions. [2022-02-15 04:57:28,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 8037 states and 11483 transitions. [2022-02-15 04:57:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-02-15 04:57:28,902 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:57:28,902 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:57:28,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-15 04:57:28,902 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:57:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:57:28,903 INFO L85 PathProgramCache]: Analyzing trace with hash 585971495, now seen corresponding path program 1 times [2022-02-15 04:57:28,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:57:28,903 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028656345] [2022-02-15 04:57:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:57:28,995 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:57:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:57:29,005 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:57:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:57:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:29,121 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 04:57:29,121 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:57:29,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028656345] [2022-02-15 04:57:29,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1028656345] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:57:29,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:57:29,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:57:29,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838223521] [2022-02-15 04:57:29,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:57:29,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:57:29,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:57:29,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:57:29,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:57:29,122 INFO L87 Difference]: Start difference. First operand 8037 states and 11483 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 04:57:30,853 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 04:57:32,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:34,607 WARN L534 Checker$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 04:57:36,632 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 04:57:38,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:57:38,152 INFO L93 Difference]: Finished difference Result 16102 states and 22982 transitions. [2022-02-15 04:57:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:57:38,153 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 309 [2022-02-15 04:57:38,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:57:38,162 INFO L225 Difference]: With dead ends: 16102 [2022-02-15 04:57:38,163 INFO L226 Difference]: Without dead ends: 8093 [2022-02-15 04:57:38,172 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 04:57:38,174 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 14 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-02-15 04:57:38,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 553 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 381 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-02-15 04:57:38,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8093 states. [2022-02-15 04:57:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8093 to 8044. [2022-02-15 04:57:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8039 states have (on average 1.4254260480159224) internal successors, (11459), 8039 states have internal predecessors, (11459), 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 04:57:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 11463 transitions. [2022-02-15 04:57:39,285 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 11463 transitions. Word has length 309 [2022-02-15 04:57:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:57:39,285 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 11463 transitions. [2022-02-15 04:57:39,285 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 04:57:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 11463 transitions. [2022-02-15 04:57:39,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-02-15 04:57:39,293 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:57:39,293 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:57:39,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-15 04:57:39,293 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:57:39,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:57:39,294 INFO L85 PathProgramCache]: Analyzing trace with hash -745606818, now seen corresponding path program 1 times [2022-02-15 04:57:39,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:57:39,294 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539830774] [2022-02-15 04:57:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:57:39,395 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:57:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:57:39,405 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:57:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:57:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:39,530 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 04:57:39,530 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:57:39,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539830774] [2022-02-15 04:57:39,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [539830774] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:57:39,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:57:39,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:57:39,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467725972] [2022-02-15 04:57:39,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:57:39,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:57:39,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:57:39,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:57:39,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:57:39,531 INFO L87 Difference]: Start difference. First operand 8044 states and 11463 transitions. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:41,548 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 04:57:43,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:45,605 WARN L534 Checker$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 04:57:47,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:49,658 WARN L534 Checker$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 04:57:51,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:57:51,567 INFO L93 Difference]: Finished difference Result 17157 states and 24451 transitions. [2022-02-15 04:57:51,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:57:51,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (3), 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 309 [2022-02-15 04:57:51,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:57:51,580 INFO L225 Difference]: With dead ends: 17157 [2022-02-15 04:57:51,580 INFO L226 Difference]: Without dead ends: 9141 [2022-02-15 04:57:51,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-02-15 04:57:51,589 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 100 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 49 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-02-15 04:57:51,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 575 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 650 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2022-02-15 04:57:51,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9141 states. [2022-02-15 04:57:52,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9141 to 8507. [2022-02-15 04:57:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8507 states, 8502 states have (on average 1.4141378499176664) internal successors, (12023), 8502 states have internal predecessors, (12023), 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 04:57:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8507 states to 8507 states and 12027 transitions. [2022-02-15 04:57:52,827 INFO L78 Accepts]: Start accepts. Automaton has 8507 states and 12027 transitions. Word has length 309 [2022-02-15 04:57:52,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:57:52,827 INFO L470 AbstractCegarLoop]: Abstraction has 8507 states and 12027 transitions. [2022-02-15 04:57:52,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 6 states have internal predecessors, (160), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 8507 states and 12027 transitions. [2022-02-15 04:57:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-02-15 04:57:52,834 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:57:52,834 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:57:52,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-15 04:57:52,835 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:57:52,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:57:52,835 INFO L85 PathProgramCache]: Analyzing trace with hash 214197948, now seen corresponding path program 1 times [2022-02-15 04:57:52,835 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:57:52,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841601048] [2022-02-15 04:57:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:57:52,903 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:57:52,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:57:52,914 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:57:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:57:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:57:53,048 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 04:57:53,048 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:57:53,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841601048] [2022-02-15 04:57:53,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [841601048] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:57:53,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:57:53,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:57:53,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930015840] [2022-02-15 04:57:53,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:57:53,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:57:53,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:57:53,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:57:53,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:57:53,050 INFO L87 Difference]: Start difference. First operand 8507 states and 12027 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:57:55,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:57:57,441 WARN L534 Checker$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 04:57:58,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:00,474 WARN L534 Checker$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 04:58:02,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:02,593 INFO L93 Difference]: Finished difference Result 17940 states and 25294 transitions. [2022-02-15 04:58:02,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:58:02,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 1 states have call successors, (3), 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 310 [2022-02-15 04:58:02,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:02,606 INFO L225 Difference]: With dead ends: 17940 [2022-02-15 04:58:02,606 INFO L226 Difference]: Without dead ends: 9326 [2022-02-15 04:58:02,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-15 04:58:02,615 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 135 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 61 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:02,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 518 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 652 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-02-15 04:58:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9326 states. [2022-02-15 04:58:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9326 to 8309. [2022-02-15 04:58:03,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8309 states, 8304 states have (on average 1.41245183044316) internal successors, (11729), 8304 states have internal predecessors, (11729), 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 04:58:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 11733 transitions. [2022-02-15 04:58:03,902 INFO L78 Accepts]: Start accepts. Automaton has 8309 states and 11733 transitions. Word has length 310 [2022-02-15 04:58:03,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:03,903 INFO L470 AbstractCegarLoop]: Abstraction has 8309 states and 11733 transitions. [2022-02-15 04:58:03,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 6 states have internal predecessors, (181), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:03,903 INFO L276 IsEmpty]: Start isEmpty. Operand 8309 states and 11733 transitions. [2022-02-15 04:58:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-02-15 04:58:03,911 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:03,911 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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 04:58:03,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-15 04:58:03,911 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:03,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1065307725, now seen corresponding path program 1 times [2022-02-15 04:58:03,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:03,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329854326] [2022-02-15 04:58:03,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:21,487 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:58:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:21,499 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:21,617 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 04:58:21,618 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:21,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329854326] [2022-02-15 04:58:21,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [329854326] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:21,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:21,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:21,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255780942] [2022-02-15 04:58:21,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:21,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:21,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:21,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:21,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:21,619 INFO L87 Difference]: Start difference. First operand 8309 states and 11733 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:22,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:24,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:26,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:28,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:28,536 INFO L93 Difference]: Finished difference Result 16759 states and 23641 transitions. [2022-02-15 04:58:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:58:28,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 319 [2022-02-15 04:58:28,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:28,548 INFO L225 Difference]: With dead ends: 16759 [2022-02-15 04:58:28,548 INFO L226 Difference]: Without dead ends: 8478 [2022-02-15 04:58:28,557 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 04:58:28,558 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 28 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:28,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 573 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-02-15 04:58:28,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8478 states. [2022-02-15 04:58:29,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8478 to 8309. [2022-02-15 04:58:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8309 states, 8304 states have (on average 1.410645472061657) internal successors, (11714), 8304 states have internal predecessors, (11714), 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 04:58:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 11718 transitions. [2022-02-15 04:58:29,769 INFO L78 Accepts]: Start accepts. Automaton has 8309 states and 11718 transitions. Word has length 319 [2022-02-15 04:58:29,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:29,770 INFO L470 AbstractCegarLoop]: Abstraction has 8309 states and 11718 transitions. [2022-02-15 04:58:29,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 8309 states and 11718 transitions. [2022-02-15 04:58:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-02-15 04:58:29,777 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:29,778 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:58:29,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-15 04:58:29,778 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:29,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:29,778 INFO L85 PathProgramCache]: Analyzing trace with hash -83036449, now seen corresponding path program 1 times [2022-02-15 04:58:29,778 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:29,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432123711] [2022-02-15 04:58:29,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:45,018 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:58:45,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:45,030 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:45,186 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 04:58:45,186 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:45,186 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432123711] [2022-02-15 04:58:45,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1432123711] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:45,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:45,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:58:45,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638234592] [2022-02-15 04:58:45,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:45,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:58:45,187 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:58:45,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:58:45,187 INFO L87 Difference]: Start difference. First operand 8309 states and 11718 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:46,839 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 04:58:48,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:50,887 WARN L534 Checker$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 04:58:53,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:58:53,493 INFO L93 Difference]: Finished difference Result 16337 states and 23002 transitions. [2022-02-15 04:58:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:58:53,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 1 states have call successors, (3), 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 320 [2022-02-15 04:58:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:58:53,502 INFO L225 Difference]: With dead ends: 16337 [2022-02-15 04:58:53,503 INFO L226 Difference]: Without dead ends: 8056 [2022-02-15 04:58:53,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-15 04:58:53,510 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 132 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 57 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-15 04:58:53,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 548 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 729 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-02-15 04:58:53,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8056 states. [2022-02-15 04:58:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8056 to 7193. [2022-02-15 04:58:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7193 states, 7188 states have (on average 1.4065108514190316) internal successors, (10110), 7188 states have internal predecessors, (10110), 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 04:58:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7193 states to 7193 states and 10114 transitions. [2022-02-15 04:58:54,585 INFO L78 Accepts]: Start accepts. Automaton has 7193 states and 10114 transitions. Word has length 320 [2022-02-15 04:58:54,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:58:54,585 INFO L470 AbstractCegarLoop]: Abstraction has 7193 states and 10114 transitions. [2022-02-15 04:58:54,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 7193 states and 10114 transitions. [2022-02-15 04:58:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-02-15 04:58:54,591 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:58:54,591 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:58:54,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-15 04:58:54,591 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:58:54,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:58:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash -55162396, now seen corresponding path program 1 times [2022-02-15 04:58:54,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:58:54,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106143260] [2022-02-15 04:58:54,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:58:54,669 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:58:54,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:58:54,681 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:58:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:58:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:58:54,841 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 04:58:54,841 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:58:54,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106143260] [2022-02-15 04:58:54,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [106143260] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:58:54,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:58:54,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:58:54,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953801188] [2022-02-15 04:58:54,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:58:54,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:58:54,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:58:54,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:58:54,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:58:54,843 INFO L87 Difference]: Start difference. First operand 7193 states and 10114 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:58:56,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:58:59,010 WARN L534 Checker$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 04:59:01,040 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 04:59:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:02,556 INFO L93 Difference]: Finished difference Result 14505 states and 20377 transitions. [2022-02-15 04:59:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:02,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 320 [2022-02-15 04:59:02,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:02,566 INFO L225 Difference]: With dead ends: 14505 [2022-02-15 04:59:02,566 INFO L226 Difference]: Without dead ends: 7340 [2022-02-15 04:59:02,575 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 04:59:02,576 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 25 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:02,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 571 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 419 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-02-15 04:59:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7340 states. [2022-02-15 04:59:03,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7340 to 7193. [2022-02-15 04:59:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7193 states, 7188 states have (on average 1.4047022815804118) internal successors, (10097), 7188 states have internal predecessors, (10097), 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 04:59:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7193 states to 7193 states and 10101 transitions. [2022-02-15 04:59:03,674 INFO L78 Accepts]: Start accepts. Automaton has 7193 states and 10101 transitions. Word has length 320 [2022-02-15 04:59:03,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:03,674 INFO L470 AbstractCegarLoop]: Abstraction has 7193 states and 10101 transitions. [2022-02-15 04:59:03,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 7193 states and 10101 transitions. [2022-02-15 04:59:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-02-15 04:59:03,680 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:03,680 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:59:03,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-15 04:59:03,681 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:03,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:03,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1375207464, now seen corresponding path program 1 times [2022-02-15 04:59:03,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:03,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595048505] [2022-02-15 04:59:03,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:22,124 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:22,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:22,151 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:59:22,263 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:22,263 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595048505] [2022-02-15 04:59:22,263 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1595048505] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:22,263 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:22,263 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:59:22,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300701849] [2022-02-15 04:59:22,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:22,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:59:22,263 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:22,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:59:22,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:59:22,264 INFO L87 Difference]: Start difference. First operand 7193 states and 10101 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:24,683 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 04:59:26,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:28,740 WARN L534 Checker$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 04:59:30,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:30,226 INFO L93 Difference]: Finished difference Result 14453 states and 20282 transitions. [2022-02-15 04:59:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:59:30,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 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 320 [2022-02-15 04:59:30,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:30,236 INFO L225 Difference]: With dead ends: 14453 [2022-02-15 04:59:30,236 INFO L226 Difference]: Without dead ends: 7288 [2022-02-15 04:59:30,246 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 04:59:30,246 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 21 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:30,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 563 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 403 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2022-02-15 04:59:30,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7288 states. [2022-02-15 04:59:31,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7288 to 7193. [2022-02-15 04:59:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7193 states, 7188 states have (on average 1.402893711741792) internal successors, (10084), 7188 states have internal predecessors, (10084), 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 04:59:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7193 states to 7193 states and 10088 transitions. [2022-02-15 04:59:31,317 INFO L78 Accepts]: Start accepts. Automaton has 7193 states and 10088 transitions. Word has length 320 [2022-02-15 04:59:31,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:31,317 INFO L470 AbstractCegarLoop]: Abstraction has 7193 states and 10088 transitions. [2022-02-15 04:59:31,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 7193 states and 10088 transitions. [2022-02-15 04:59:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-02-15 04:59:31,323 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:31,324 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:59:31,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-15 04:59:31,324 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:31,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:31,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1166516243, now seen corresponding path program 1 times [2022-02-15 04:59:31,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:31,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810808069] [2022-02-15 04:59:31,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:59:31,422 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:59:31,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:59:31,436 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:59:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:31,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:59:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:59:31,667 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 04:59:31,667 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:59:31,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810808069] [2022-02-15 04:59:31,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [810808069] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:59:31,667 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:59:31,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:59:31,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192801657] [2022-02-15 04:59:31,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:59:31,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:59:31,668 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:59:31,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:59:31,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:59:31,668 INFO L87 Difference]: Start difference. First operand 7193 states and 10088 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:33,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:35,281 WARN L534 Checker$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 04:59:37,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:38,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:59:41,185 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 04:59:42,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:59:42,933 INFO L93 Difference]: Finished difference Result 14513 states and 20333 transitions. [2022-02-15 04:59:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 04:59:42,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (3), 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 321 [2022-02-15 04:59:42,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:59:42,942 INFO L225 Difference]: With dead ends: 14513 [2022-02-15 04:59:42,942 INFO L226 Difference]: Without dead ends: 7296 [2022-02-15 04:59:42,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-02-15 04:59:42,950 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 103 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 43 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-02-15 04:59:42,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 528 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 618 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2022-02-15 04:59:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7296 states. [2022-02-15 04:59:43,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7296 to 6856. [2022-02-15 04:59:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6856 states, 6851 states have (on average 1.3889943074003794) internal successors, (9516), 6851 states have internal predecessors, (9516), 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 04:59:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9520 transitions. [2022-02-15 04:59:43,967 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9520 transitions. Word has length 321 [2022-02-15 04:59:43,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:59:43,967 INFO L470 AbstractCegarLoop]: Abstraction has 6856 states and 9520 transitions. [2022-02-15 04:59:43,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:59:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9520 transitions. [2022-02-15 04:59:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-02-15 04:59:43,973 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:59:43,973 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:59:43,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-15 04:59:43,973 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:59:43,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:59:43,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1992819065, now seen corresponding path program 1 times [2022-02-15 04:59:43,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:59:43,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940355836] [2022-02-15 04:59:43,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:04,107 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:04,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:04,119 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:04,304 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 05:00:04,304 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:04,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940355836] [2022-02-15 05:00:04,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [940355836] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:04,304 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:04,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 05:00:04,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877970313] [2022-02-15 05:00:04,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:04,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 05:00:04,305 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:04,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 05:00:04,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-15 05:00:04,305 INFO L87 Difference]: Start difference. First operand 6856 states and 9520 transitions. Second operand has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:05,436 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 05:00:07,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:09,486 WARN L534 Checker$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 05:00:10,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:00:12,682 WARN L534 Checker$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 05:00:13,908 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 05:00:15,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:15,626 INFO L93 Difference]: Finished difference Result 10967 states and 15161 transitions. [2022-02-15 05:00:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 05:00:15,627 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (3), 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 326 [2022-02-15 05:00:15,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:15,632 INFO L225 Difference]: With dead ends: 10967 [2022-02-15 05:00:15,632 INFO L226 Difference]: Without dead ends: 4139 [2022-02-15 05:00:15,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-02-15 05:00:15,640 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 290 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 72 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:15,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 1048 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1041 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2022-02-15 05:00:15,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2022-02-15 05:00:16,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3814. [2022-02-15 05:00:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 3809 states have (on average 1.3848779207140982) internal successors, (5275), 3809 states have internal predecessors, (5275), 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 05:00:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5279 transitions. [2022-02-15 05:00:16,265 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5279 transitions. Word has length 326 [2022-02-15 05:00:16,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:16,265 INFO L470 AbstractCegarLoop]: Abstraction has 3814 states and 5279 transitions. [2022-02-15 05:00:16,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 7 states have internal predecessors, (167), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:00:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5279 transitions. [2022-02-15 05:00:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-02-15 05:00:16,269 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:16,269 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:16,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-15 05:00:16,270 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:16,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1781598325, now seen corresponding path program 1 times [2022-02-15 05:00:16,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:16,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723053374] [2022-02-15 05:00:16,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:00:33,350 WARN L228 SmtUtils]: Spent 13.81s on a formula simplification. DAG size of input: 593 DAG size of output: 393 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 05:00:52,024 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:00:52,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:00:52,037 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:00:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:00:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:00:52,527 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 05:00:52,527 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:00:52,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723053374] [2022-02-15 05:00:52,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [723053374] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:00:52,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:00:52,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 05:00:52,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304771499] [2022-02-15 05:00:52,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:00:52,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 05:00:52,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:00:52,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 05:00:52,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 05:00:52,528 INFO L87 Difference]: Start difference. First operand 3814 states and 5279 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 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 05:00:54,537 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 05:00:55,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:00:55,608 INFO L93 Difference]: Finished difference Result 7621 states and 10550 transitions. [2022-02-15 05:00:55,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 05:00:55,609 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 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 326 [2022-02-15 05:00:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:00:55,638 INFO L225 Difference]: With dead ends: 7621 [2022-02-15 05:00:55,638 INFO L226 Difference]: Without dead ends: 3814 [2022-02-15 05:00:55,642 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 05:00:55,643 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 7 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:00:55,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 822 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 434 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 05:00:55,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2022-02-15 05:00:56,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3814. [2022-02-15 05:00:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 3809 states have (on average 1.3846153846153846) internal successors, (5274), 3809 states have internal predecessors, (5274), 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 05:00:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5278 transitions. [2022-02-15 05:00:56,240 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5278 transitions. Word has length 326 [2022-02-15 05:00:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:00:56,240 INFO L470 AbstractCegarLoop]: Abstraction has 3814 states and 5278 transitions. [2022-02-15 05:00:56,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 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 05:00:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5278 transitions. [2022-02-15 05:00:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-02-15 05:00:56,244 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:00:56,244 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:00:56,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-15 05:00:56,244 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:00:56,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:00:56,245 INFO L85 PathProgramCache]: Analyzing trace with hash 629100595, now seen corresponding path program 1 times [2022-02-15 05:00:56,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:00:56,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428579481] [2022-02-15 05:00:56,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:08,928 WARN L228 SmtUtils]: Spent 9.80s on a formula simplification. DAG size of input: 593 DAG size of output: 394 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 05:01:27,828 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:27,842 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:28,490 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 05:01:28,490 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:28,490 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428579481] [2022-02-15 05:01:28,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1428579481] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:28,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:28,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-15 05:01:28,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926295366] [2022-02-15 05:01:28,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:28,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-15 05:01:28,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:28,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-15 05:01:28,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-02-15 05:01:28,492 INFO L87 Difference]: Start difference. First operand 3814 states and 5278 transitions. Second operand has 16 states, 16 states have (on average 14.75) internal successors, (236), 15 states have internal predecessors, (236), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:30,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:32,526 WARN L534 Checker$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 05:01:34,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:36,580 WARN L534 Checker$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 05:01:38,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:01:40,333 WARN L534 Checker$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 05:01:41,840 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 05:01:45,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:01:45,979 INFO L93 Difference]: Finished difference Result 11424 states and 15583 transitions. [2022-02-15 05:01:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 05:01:45,979 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 14.75) internal successors, (236), 15 states have internal predecessors, (236), 1 states have call successors, (3), 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 326 [2022-02-15 05:01:45,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:01:45,988 INFO L225 Difference]: With dead ends: 11424 [2022-02-15 05:01:45,988 INFO L226 Difference]: Without dead ends: 7638 [2022-02-15 05:01:45,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=256, Invalid=866, Unknown=0, NotChecked=0, Total=1122 [2022-02-15 05:01:45,995 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 711 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 2500 mSolverCounterSat, 191 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2500 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:01:45,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 1799 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2500 Invalid, 4 Unknown, 0 Unchecked, 15.4s Time] [2022-02-15 05:01:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7638 states. [2022-02-15 05:01:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7638 to 4792. [2022-02-15 05:01:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4792 states, 4787 states have (on average 1.3695425109672028) internal successors, (6556), 4787 states have internal predecessors, (6556), 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 05:01:46,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 6560 transitions. [2022-02-15 05:01:46,929 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 6560 transitions. Word has length 326 [2022-02-15 05:01:46,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:01:46,930 INFO L470 AbstractCegarLoop]: Abstraction has 4792 states and 6560 transitions. [2022-02-15 05:01:46,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 14.75) internal successors, (236), 15 states have internal predecessors, (236), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 6560 transitions. [2022-02-15 05:01:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-02-15 05:01:46,935 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:01:46,935 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2022-02-15 05:01:46,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-15 05:01:46,935 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:01:46,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:01:46,943 INFO L85 PathProgramCache]: Analyzing trace with hash -58916973, now seen corresponding path program 1 times [2022-02-15 05:01:46,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:01:46,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860248075] [2022-02-15 05:01:46,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:01:55,716 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:01:55,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:01:55,729 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:01:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:01:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:01:55,906 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 05:01:55,907 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:01:55,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860248075] [2022-02-15 05:01:55,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1860248075] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:01:55,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:01:55,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 05:01:55,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425072055] [2022-02-15 05:01:55,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:01:55,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 05:01:55,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:01:55,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 05:01:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 05:01:55,908 INFO L87 Difference]: Start difference. First operand 4792 states and 6560 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:01:57,745 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 05:01:59,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:01,800 WARN L534 Checker$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 05:02:03,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:05,539 WARN L534 Checker$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 05:02:07,566 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 05:02:09,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:09,407 INFO L93 Difference]: Finished difference Result 10393 states and 14184 transitions. [2022-02-15 05:02:09,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 05:02:09,407 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (3), 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 336 [2022-02-15 05:02:09,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:09,413 INFO L225 Difference]: With dead ends: 10393 [2022-02-15 05:02:09,414 INFO L226 Difference]: Without dead ends: 5629 [2022-02-15 05:02:09,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-15 05:02:09,417 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 319 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 111 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:09,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 649 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 709 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2022-02-15 05:02:09,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5629 states. [2022-02-15 05:02:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5629 to 4804. [2022-02-15 05:02:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4804 states, 4799 states have (on average 1.344655136486768) internal successors, (6453), 4799 states have internal predecessors, (6453), 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 05:02:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4804 states to 4804 states and 6457 transitions. [2022-02-15 05:02:10,345 INFO L78 Accepts]: Start accepts. Automaton has 4804 states and 6457 transitions. Word has length 336 [2022-02-15 05:02:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:10,345 INFO L470 AbstractCegarLoop]: Abstraction has 4804 states and 6457 transitions. [2022-02-15 05:02:10,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 4804 states and 6457 transitions. [2022-02-15 05:02:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-02-15 05:02:10,350 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:10,350 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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 05:02:10,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-15 05:02:10,351 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:10,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:10,351 INFO L85 PathProgramCache]: Analyzing trace with hash 556734685, now seen corresponding path program 1 times [2022-02-15 05:02:10,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:10,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991770875] [2022-02-15 05:02:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:18,986 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:19,015 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 05:02:19,128 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:19,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991770875] [2022-02-15 05:02:19,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [991770875] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:19,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:19,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:02:19,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270676612] [2022-02-15 05:02:19,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:19,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:02:19,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:19,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:02:19,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:02:19,130 INFO L87 Difference]: Start difference. First operand 4804 states and 6457 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:20,801 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 05:02:22,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:02:25,567 WARN L534 Checker$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 05:02:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:26,867 INFO L93 Difference]: Finished difference Result 9750 states and 13097 transitions. [2022-02-15 05:02:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:26,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 337 [2022-02-15 05:02:26,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:26,873 INFO L225 Difference]: With dead ends: 9750 [2022-02-15 05:02:26,874 INFO L226 Difference]: Without dead ends: 4974 [2022-02-15 05:02:26,879 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 05:02:26,879 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 13 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:26,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 547 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 376 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-02-15 05:02:26,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4974 states. [2022-02-15 05:02:27,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4974 to 4944. [2022-02-15 05:02:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4944 states, 4939 states have (on average 1.3419720591212796) internal successors, (6628), 4939 states have internal predecessors, (6628), 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 05:02:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 6632 transitions. [2022-02-15 05:02:27,865 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 6632 transitions. Word has length 337 [2022-02-15 05:02:27,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:27,865 INFO L470 AbstractCegarLoop]: Abstraction has 4944 states and 6632 transitions. [2022-02-15 05:02:27,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 6632 transitions. [2022-02-15 05:02:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-02-15 05:02:27,870 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:27,870 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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 05:02:27,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-15 05:02:27,870 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:27,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:27,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1993335314, now seen corresponding path program 1 times [2022-02-15 05:02:27,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:27,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997700163] [2022-02-15 05:02:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:36,822 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:02:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:02:36,836 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:02:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:02:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:02:36,954 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 05:02:36,955 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:02:36,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997700163] [2022-02-15 05:02:36,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [997700163] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:02:36,955 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:02:36,955 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:02:36,955 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907289963] [2022-02-15 05:02:36,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:02:36,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:02:36,955 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:02:36,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:02:36,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:02:36,956 INFO L87 Difference]: Start difference. First operand 4944 states and 6632 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:38,972 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 05:02:40,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:02:40,320 INFO L93 Difference]: Finished difference Result 9867 states and 13240 transitions. [2022-02-15 05:02:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:02:40,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 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 338 [2022-02-15 05:02:40,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:02:40,326 INFO L225 Difference]: With dead ends: 9867 [2022-02-15 05:02:40,327 INFO L226 Difference]: Without dead ends: 4783 [2022-02-15 05:02:40,332 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 05:02:40,333 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 10 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 05:02:40,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 541 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 05:02:40,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2022-02-15 05:02:41,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4136. [2022-02-15 05:02:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4136 states, 4131 states have (on average 1.3536673928830791) internal successors, (5592), 4131 states have internal predecessors, (5592), 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 05:02:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 4136 states and 5596 transitions. [2022-02-15 05:02:41,179 INFO L78 Accepts]: Start accepts. Automaton has 4136 states and 5596 transitions. Word has length 338 [2022-02-15 05:02:41,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:02:41,179 INFO L470 AbstractCegarLoop]: Abstraction has 4136 states and 5596 transitions. [2022-02-15 05:02:41,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:02:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 5596 transitions. [2022-02-15 05:02:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-02-15 05:02:41,184 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:02:41,184 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:02:41,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-15 05:02:41,184 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:02:41,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:02:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1327641903, now seen corresponding path program 2 times [2022-02-15 05:02:41,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:02:41,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940707707] [2022-02-15 05:02:41,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:02:54,110 WARN L228 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 593 DAG size of output: 394 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 05:03:11,629 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:03:11,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:03:11,642 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:03:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:03:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:12,432 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 05:03:12,432 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:03:12,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940707707] [2022-02-15 05:03:12,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1940707707] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:03:12,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:03:12,433 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-15 05:03:12,433 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090974490] [2022-02-15 05:03:12,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:03:12,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-15 05:03:12,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:03:12,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-15 05:03:12,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-02-15 05:03:12,434 INFO L87 Difference]: Start difference. First operand 4136 states and 5596 transitions. Second operand has 12 states, 11 states have (on average 20.90909090909091) internal successors, (230), 10 states have internal predecessors, (230), 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 05:03:14,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:16,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:17,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:20,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:22,359 WARN L534 Checker$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 05:03:24,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:03:28,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:03:28,299 INFO L93 Difference]: Finished difference Result 13902 states and 18813 transitions. [2022-02-15 05:03:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 05:03:28,299 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 20.90909090909091) internal successors, (230), 10 states have internal predecessors, (230), 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 355 [2022-02-15 05:03:28,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:03:28,309 INFO L225 Difference]: With dead ends: 13902 [2022-02-15 05:03:28,309 INFO L226 Difference]: Without dead ends: 9794 [2022-02-15 05:03:28,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-02-15 05:03:28,314 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 406 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 99 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 2394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-02-15 05:03:28,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 1823 Invalid, 2394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2292 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2022-02-15 05:03:28,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9794 states. [2022-02-15 05:03:30,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9794 to 8201. [2022-02-15 05:03:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8201 states, 8196 states have (on average 1.361517813567594) internal successors, (11159), 8196 states have internal predecessors, (11159), 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 05:03:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8201 states to 8201 states and 11163 transitions. [2022-02-15 05:03:30,030 INFO L78 Accepts]: Start accepts. Automaton has 8201 states and 11163 transitions. Word has length 355 [2022-02-15 05:03:30,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:03:30,031 INFO L470 AbstractCegarLoop]: Abstraction has 8201 states and 11163 transitions. [2022-02-15 05:03:30,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 20.90909090909091) internal successors, (230), 10 states have internal predecessors, (230), 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 05:03:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 8201 states and 11163 transitions. [2022-02-15 05:03:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-02-15 05:03:30,037 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:03:30,037 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 5, 4, 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 05:03:30,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-15 05:03:30,037 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:03:30,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:03:30,038 INFO L85 PathProgramCache]: Analyzing trace with hash 971792413, now seen corresponding path program 1 times [2022-02-15 05:03:30,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:03:30,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046064663] [2022-02-15 05:03:30,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:03:54,512 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:03:54,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:03:54,526 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:03:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:03:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:03:55,118 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 05:03:55,118 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:03:55,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046064663] [2022-02-15 05:03:55,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2046064663] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:03:55,118 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:03:55,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-15 05:03:55,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986372035] [2022-02-15 05:03:55,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:03:55,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-15 05:03:55,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:03:55,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-15 05:03:55,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-02-15 05:03:55,119 INFO L87 Difference]: Start difference. First operand 8201 states and 11163 transitions. Second operand has 11 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 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 05:03:57,818 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 05:03:59,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:04:01,875 WARN L534 Checker$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 05:04:03,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:04:05,929 WARN L534 Checker$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 05:04:09,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:04:09,038 INFO L93 Difference]: Finished difference Result 17656 states and 24003 transitions. [2022-02-15 05:04:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 05:04:09,038 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 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 356 [2022-02-15 05:04:09,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:04:09,048 INFO L225 Difference]: With dead ends: 17656 [2022-02-15 05:04:09,048 INFO L226 Difference]: Without dead ends: 9483 [2022-02-15 05:04:09,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-02-15 05:04:09,054 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 225 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 62 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-02-15 05:04:09,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 1196 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1255 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2022-02-15 05:04:09,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9483 states. [2022-02-15 05:04:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9483 to 8954. [2022-02-15 05:04:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8954 states, 8949 states have (on average 1.3591462733266286) internal successors, (12163), 8949 states have internal predecessors, (12163), 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 05:04:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8954 states to 8954 states and 12167 transitions. [2022-02-15 05:04:10,963 INFO L78 Accepts]: Start accepts. Automaton has 8954 states and 12167 transitions. Word has length 356 [2022-02-15 05:04:10,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 05:04:10,963 INFO L470 AbstractCegarLoop]: Abstraction has 8954 states and 12167 transitions. [2022-02-15 05:04:10,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.3) internal successors, (183), 9 states have internal predecessors, (183), 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 05:04:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 8954 states and 12167 transitions. [2022-02-15 05:04:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-02-15 05:04:10,971 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 05:04:10,971 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 05:04:10,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-15 05:04:10,971 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 05:04:10,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 05:04:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash -954456812, now seen corresponding path program 1 times [2022-02-15 05:04:10,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 05:04:10,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598466509] [2022-02-15 05:04:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 05:04:40,279 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 05:04:40,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 05:04:40,294 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 05:04:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:04:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 05:04:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 05:04:40,444 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 05:04:40,444 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 05:04:40,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598466509] [2022-02-15 05:04:40,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1598466509] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 05:04:40,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 05:04:40,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 05:04:40,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775770709] [2022-02-15 05:04:40,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 05:04:40,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 05:04:40,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 05:04:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 05:04:40,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 05:04:40,446 INFO L87 Difference]: Start difference. First operand 8954 states and 12167 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 05:04:43,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:04:45,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 05:04:47,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 05:04:47,887 INFO L93 Difference]: Finished difference Result 18453 states and 25094 transitions. [2022-02-15 05:04:47,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 05:04:47,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (3), 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 407 [2022-02-15 05:04:47,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 05:04:47,897 INFO L225 Difference]: With dead ends: 18453 [2022-02-15 05:04:47,897 INFO L226 Difference]: Without dead ends: 9574 [2022-02-15 05:04:47,903 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 05:04:47,904 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 92 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-02-15 05:04:47,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 383 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 465 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-02-15 05:04:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9574 states.