/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.12.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:05:28,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:05:28,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:05:28,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:05:28,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:05:28,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:05:28,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:05:28,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:05:28,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:05:28,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:05:28,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:05:28,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:05:28,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:05:28,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:05:28,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:05:28,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:05:28,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:05:28,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:05:28,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:05:28,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:05:28,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:05:28,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:05:28,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:05:28,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:05:28,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:05:28,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:05:28,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:05:28,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:05:28,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-01 00:05:28,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:05:28,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:05:28,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:05:28,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:05:28,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:05:28,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:05:28,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:05:28,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:05:28,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:05:28,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:05:28,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:05:28,493 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:05:28,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:05:28,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:05:28,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:05:28,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:05:28,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:05:28,746 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:05:28,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.12.i.cil-1.c [2022-02-01 00:05:28,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a7707da/3864378db0a54e788ff254ee16377afc/FLAGe67fb015d [2022-02-01 00:05:29,313 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:05:29,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.12.i.cil-1.c [2022-02-01 00:05:29,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a7707da/3864378db0a54e788ff254ee16377afc/FLAGe67fb015d [2022-02-01 00:05:29,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a7707da/3864378db0a54e788ff254ee16377afc [2022-02-01 00:05:29,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:05:29,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:05:29,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:05:29,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:05:29,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:05:29,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:05:29" (1/1) ... [2022-02-01 00:05:29,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22018162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:29, skipping insertion in model container [2022-02-01 00:05:29,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:05:29" (1/1) ... [2022-02-01 00:05:29,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:05:29,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:05:29,965 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.12.i.cil-1.c[75166,75179] [2022-02-01 00:05:29,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:05:29,986 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:05:30,084 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.12.i.cil-1.c[75166,75179] [2022-02-01 00:05:30,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:05:30,100 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:05:30,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30 WrapperNode [2022-02-01 00:05:30,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:05:30,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:05:30,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:05:30,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:05:30,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:05:30,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:05:30,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:05:30,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:05:30,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (1/1) ... [2022-02-01 00:05:30,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:05:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:05:30,293 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) [2022-02-01 00:05:30,335 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 [2022-02-01 00:05:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:05:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:05:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:05:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-02-01 00:05:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-02-01 00:05:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:05:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-01 00:05:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-01 00:05:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-01 00:05:30,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-01 00:05:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:05:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:05:30,376 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:05:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:05:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-01 00:05:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-01 00:05:30,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-01 00:05:30,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-01 00:05:30,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-01 00:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-01 00:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-02-01 00:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-01 00:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-01 00:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-02-01 00:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-01 00:05:30,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-01 00:05:30,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-01 00:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-01 00:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-01 00:05:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:05:30,544 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:05:30,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:05:31,682 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-01 00:05:32,180 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-02-01 00:05:32,180 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-02-01 00:05:32,189 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:05:32,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:05:32,196 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-01 00:05:32,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:05:32 BoogieIcfgContainer [2022-02-01 00:05:32,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:05:32,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:05:32,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:05:32,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:05:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:05:29" (1/3) ... [2022-02-01 00:05:32,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2b7615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:05:32, skipping insertion in model container [2022-02-01 00:05:32,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:05:30" (2/3) ... [2022-02-01 00:05:32,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2b7615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:05:32, skipping insertion in model container [2022-02-01 00:05:32,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:05:32" (3/3) ... [2022-02-01 00:05:32,205 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.12.i.cil-1.c [2022-02-01 00:05:32,208 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:05:32,209 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:05:32,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:05:32,240 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 [2022-02-01 00:05:32,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:05:32,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 152 states have (on average 1.7105263157894737) internal successors, (260), 153 states have internal predecessors, (260), 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) [2022-02-01 00:05:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-01 00:05:32,258 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:05:32,259 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] [2022-02-01 00:05:32,259 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:05:32,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:05:32,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1669369650, now seen corresponding path program 1 times [2022-02-01 00:05:32,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:05:32,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500481127] [2022-02-01 00:05:32,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:05:32,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:05:32,316 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:05:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:05:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:05:32,694 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:05:32,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500481127] [2022-02-01 00:05:32,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [500481127] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:05:32,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:05:32,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:05:32,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203523949] [2022-02-01 00:05:32,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:05:32,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:05:32,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:05:32,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:05:32,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:05:32,717 INFO L87 Difference]: Start difference. First operand has 160 states, 152 states have (on average 1.7105263157894737) internal successors, (260), 153 states have internal predecessors, (260), 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 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:05:36,254 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 [] [2022-02-01 00:05:37,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:05:37,059 INFO L93 Difference]: Finished difference Result 437 states and 740 transitions. [2022-02-01 00:05:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:05:37,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 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 48 [2022-02-01 00:05:37,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:05:37,069 INFO L225 Difference]: With dead ends: 437 [2022-02-01 00:05:37,069 INFO L226 Difference]: Without dead ends: 266 [2022-02-01 00:05:37,075 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 [2022-02-01 00:05:37,077 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 160 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:05:37,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 473 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 538 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-02-01 00:05:37,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-02-01 00:05:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 184. [2022-02-01 00:05:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.6089385474860336) internal successors, (288), 179 states have internal predecessors, (288), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:05:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 292 transitions. [2022-02-01 00:05:37,129 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 292 transitions. Word has length 48 [2022-02-01 00:05:37,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:05:37,130 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 292 transitions. [2022-02-01 00:05:37,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:05:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 292 transitions. [2022-02-01 00:05:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-01 00:05:37,136 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:05:37,136 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] [2022-02-01 00:05:37,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:05:37,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:05:37,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:05:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash 203097938, now seen corresponding path program 1 times [2022-02-01 00:05:37,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:05:37,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918339568] [2022-02-01 00:05:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:05:37,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:05:37,141 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:05:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:05:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:05:37,251 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:05:37,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918339568] [2022-02-01 00:05:37,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [918339568] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:05:37,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:05:37,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:05:37,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105338194] [2022-02-01 00:05:37,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:05:37,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:05:37,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:05:37,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:05:37,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:05:37,256 INFO L87 Difference]: Start difference. First operand 184 states and 292 transitions. 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) [2022-02-01 00:05:38,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:39,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:42,128 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 [] [2022-02-01 00:05:42,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:05:42,648 INFO L93 Difference]: Finished difference Result 474 states and 755 transitions. [2022-02-01 00:05:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:05:42,649 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 [2022-02-01 00:05:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:05:42,651 INFO L225 Difference]: With dead ends: 474 [2022-02-01 00:05:42,651 INFO L226 Difference]: Without dead ends: 305 [2022-02-01 00:05:42,652 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 [2022-02-01 00:05:42,653 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 127 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:05:42,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 370 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-02-01 00:05:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-01 00:05:42,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 224. [2022-02-01 00:05:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 219 states have (on average 1.6529680365296804) internal successors, (362), 219 states have internal predecessors, (362), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:05:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 366 transitions. [2022-02-01 00:05:42,668 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 366 transitions. Word has length 49 [2022-02-01 00:05:42,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:05:42,669 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 366 transitions. [2022-02-01 00:05:42,669 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) [2022-02-01 00:05:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 366 transitions. [2022-02-01 00:05:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-01 00:05:42,671 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:05:42,671 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:05:42,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:05:42,671 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:05:42,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:05:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash -824723289, now seen corresponding path program 1 times [2022-02-01 00:05:42,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:05:42,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775748257] [2022-02-01 00:05:42,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:05:42,687 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:05:42,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:05:42,689 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:05:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:05:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:05:42,847 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:05:42,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775748257] [2022-02-01 00:05:42,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1775748257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:05:42,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:05:42,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:05:42,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026140007] [2022-02-01 00:05:42,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:05:42,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:05:42,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:05:42,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:05:42,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:05:42,849 INFO L87 Difference]: Start difference. First operand 224 states and 366 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) [2022-02-01 00:05:44,567 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 [] [2022-02-01 00:05:46,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:49,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:49,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:05:49,881 INFO L93 Difference]: Finished difference Result 461 states and 754 transitions. [2022-02-01 00:05:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:05:49,882 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 77 [2022-02-01 00:05:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:05:49,883 INFO L225 Difference]: With dead ends: 461 [2022-02-01 00:05:49,883 INFO L226 Difference]: Without dead ends: 252 [2022-02-01 00:05:49,887 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 [2022-02-01 00:05:49,892 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 22 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-02-01 00:05:49,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 493 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 368 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-02-01 00:05:49,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-02-01 00:05:49,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 235. [2022-02-01 00:05:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.6565217391304348) internal successors, (381), 230 states have internal predecessors, (381), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:05:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 385 transitions. [2022-02-01 00:05:49,911 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 385 transitions. Word has length 77 [2022-02-01 00:05:49,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:05:49,911 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 385 transitions. [2022-02-01 00:05:49,911 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) [2022-02-01 00:05:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 385 transitions. [2022-02-01 00:05:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-01 00:05:49,913 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:05:49,913 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:05:49,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-01 00:05:49,914 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:05:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:05:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1213391437, now seen corresponding path program 1 times [2022-02-01 00:05:49,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:05:49,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49347387] [2022-02-01 00:05:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:05:49,929 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:05:49,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:05:49,934 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:05:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:05:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:05:50,084 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:05:50,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49347387] [2022-02-01 00:05:50,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [49347387] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:05:50,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:05:50,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:05:50,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628203055] [2022-02-01 00:05:50,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:05:50,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:05:50,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:05:50,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:05:50,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:05:50,087 INFO L87 Difference]: Start difference. First operand 235 states and 385 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) [2022-02-01 00:05:51,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:53,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:55,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:57,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:05:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:05:57,778 INFO L93 Difference]: Finished difference Result 461 states and 753 transitions. [2022-02-01 00:05:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:05:57,778 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 90 [2022-02-01 00:05:57,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:05:57,780 INFO L225 Difference]: With dead ends: 461 [2022-02-01 00:05:57,780 INFO L226 Difference]: Without dead ends: 252 [2022-02-01 00:05:57,780 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 [2022-02-01 00:05:57,781 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 24 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:05:57,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 495 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 366 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-02-01 00:05:57,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-02-01 00:05:57,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 235. [2022-02-01 00:05:57,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.6521739130434783) internal successors, (380), 230 states have internal predecessors, (380), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:05:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 384 transitions. [2022-02-01 00:05:57,793 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 384 transitions. Word has length 90 [2022-02-01 00:05:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:05:57,793 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 384 transitions. [2022-02-01 00:05:57,793 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) [2022-02-01 00:05:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 384 transitions. [2022-02-01 00:05:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-01 00:05:57,795 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:05:57,795 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:05:57,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-01 00:05:57,795 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:05:57,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:05:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash 785398365, now seen corresponding path program 1 times [2022-02-01 00:05:57,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:05:57,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234837498] [2022-02-01 00:05:57,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:05:57,821 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:05:57,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:05:57,824 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:05:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:05:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:05:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:05:57,928 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:05:57,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234837498] [2022-02-01 00:05:57,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1234837498] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:05:57,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:05:57,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:05:57,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7459531] [2022-02-01 00:05:57,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:05:57,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:05:57,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:05:57,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:05:57,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:05:57,929 INFO L87 Difference]: Start difference. First operand 235 states and 384 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) [2022-02-01 00:05:59,943 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 [] [2022-02-01 00:06:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:00,314 INFO L93 Difference]: Finished difference Result 460 states and 751 transitions. [2022-02-01 00:06:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:00,314 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 91 [2022-02-01 00:06:00,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:00,316 INFO L225 Difference]: With dead ends: 460 [2022-02-01 00:06:00,316 INFO L226 Difference]: Without dead ends: 251 [2022-02-01 00:06:00,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-01 00:06:00,317 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 28 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:00,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 497 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-01 00:06:00,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-02-01 00:06:00,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 235. [2022-02-01 00:06:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.6478260869565218) internal successors, (379), 230 states have internal predecessors, (379), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 383 transitions. [2022-02-01 00:06:00,324 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 383 transitions. Word has length 91 [2022-02-01 00:06:00,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:00,325 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 383 transitions. [2022-02-01 00:06:00,325 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) [2022-02-01 00:06:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 383 transitions. [2022-02-01 00:06:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-01 00:06:00,326 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:00,327 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:00,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-01 00:06:00,327 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:00,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:00,334 INFO L85 PathProgramCache]: Analyzing trace with hash 120004937, now seen corresponding path program 1 times [2022-02-01 00:06:00,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:00,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60478356] [2022-02-01 00:06:00,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:00,366 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:00,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:00,369 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:00,476 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:00,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60478356] [2022-02-01 00:06:00,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [60478356] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:00,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:00,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:00,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828913437] [2022-02-01 00:06:00,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:00,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:00,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:00,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:00,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:00,478 INFO L87 Difference]: Start difference. First operand 235 states and 383 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) [2022-02-01 00:06:02,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:05,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:07,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:07,623 INFO L93 Difference]: Finished difference Result 525 states and 845 transitions. [2022-02-01 00:06:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:07,623 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 91 [2022-02-01 00:06:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:07,625 INFO L225 Difference]: With dead ends: 525 [2022-02-01 00:06:07,625 INFO L226 Difference]: Without dead ends: 316 [2022-02-01 00:06:07,625 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 [2022-02-01 00:06:07,626 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 154 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:07,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 370 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-02-01 00:06:07,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-02-01 00:06:07,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 235. [2022-02-01 00:06:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.6347826086956523) internal successors, (376), 230 states have internal predecessors, (376), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 380 transitions. [2022-02-01 00:06:07,634 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 380 transitions. Word has length 91 [2022-02-01 00:06:07,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:07,634 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 380 transitions. [2022-02-01 00:06:07,634 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) [2022-02-01 00:06:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 380 transitions. [2022-02-01 00:06:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-01 00:06:07,653 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:07,653 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:07,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-01 00:06:07,654 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:07,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:07,654 INFO L85 PathProgramCache]: Analyzing trace with hash 814450546, now seen corresponding path program 1 times [2022-02-01 00:06:07,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:07,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867153449] [2022-02-01 00:06:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:07,664 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:07,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:07,667 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:07,749 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:07,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867153449] [2022-02-01 00:06:07,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1867153449] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:07,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:07,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:07,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592305812] [2022-02-01 00:06:07,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:07,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:07,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:07,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:07,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:07,751 INFO L87 Difference]: Start difference. First operand 235 states and 380 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) [2022-02-01 00:06:10,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:10,784 INFO L93 Difference]: Finished difference Result 525 states and 840 transitions. [2022-02-01 00:06:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:10,784 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 91 [2022-02-01 00:06:10,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:10,786 INFO L225 Difference]: With dead ends: 525 [2022-02-01 00:06:10,786 INFO L226 Difference]: Without dead ends: 316 [2022-02-01 00:06:10,786 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 [2022-02-01 00:06:10,787 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 148 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:10,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 370 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-02-01 00:06:10,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-02-01 00:06:10,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 235. [2022-02-01 00:06:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.6217391304347826) internal successors, (373), 230 states have internal predecessors, (373), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 377 transitions. [2022-02-01 00:06:10,795 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 377 transitions. Word has length 91 [2022-02-01 00:06:10,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:10,795 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 377 transitions. [2022-02-01 00:06:10,795 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) [2022-02-01 00:06:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2022-02-01 00:06:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-01 00:06:10,796 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:10,796 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:10,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-01 00:06:10,796 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:10,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2040904559, now seen corresponding path program 1 times [2022-02-01 00:06:10,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:10,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017492964] [2022-02-01 00:06:10,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:10,805 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:10,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:10,807 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:10,886 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:10,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017492964] [2022-02-01 00:06:10,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1017492964] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:10,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:10,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:10,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408551678] [2022-02-01 00:06:10,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:10,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:10,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:10,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:10,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:10,887 INFO L87 Difference]: Start difference. First operand 235 states and 377 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) [2022-02-01 00:06:12,899 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 [] [2022-02-01 00:06:13,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:13,449 INFO L93 Difference]: Finished difference Result 524 states and 834 transitions. [2022-02-01 00:06:13,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:13,449 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 91 [2022-02-01 00:06:13,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:13,450 INFO L225 Difference]: With dead ends: 524 [2022-02-01 00:06:13,451 INFO L226 Difference]: Without dead ends: 315 [2022-02-01 00:06:13,451 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 [2022-02-01 00:06:13,451 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 146 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:13,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 372 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 483 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-01 00:06:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-01 00:06:13,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 235. [2022-02-01 00:06:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.608695652173913) internal successors, (370), 230 states have internal predecessors, (370), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 374 transitions. [2022-02-01 00:06:13,479 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 374 transitions. Word has length 91 [2022-02-01 00:06:13,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:13,479 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 374 transitions. [2022-02-01 00:06:13,479 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) [2022-02-01 00:06:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 374 transitions. [2022-02-01 00:06:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-01 00:06:13,482 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:13,482 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:13,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-01 00:06:13,482 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:13,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:13,483 INFO L85 PathProgramCache]: Analyzing trace with hash 722842116, now seen corresponding path program 1 times [2022-02-01 00:06:13,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:13,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843068498] [2022-02-01 00:06:13,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:13,542 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:13,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:13,545 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:13,682 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:13,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843068498] [2022-02-01 00:06:13,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [843068498] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:13,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:13,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:13,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980246653] [2022-02-01 00:06:13,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:13,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:13,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:13,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:13,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:13,683 INFO L87 Difference]: Start difference. First operand 235 states and 374 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) [2022-02-01 00:06:14,763 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 [] [2022-02-01 00:06:16,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:18,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:18,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:18,875 INFO L93 Difference]: Finished difference Result 457 states and 732 transitions. [2022-02-01 00:06:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:18,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2022-02-01 00:06:18,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:18,876 INFO L225 Difference]: With dead ends: 457 [2022-02-01 00:06:18,876 INFO L226 Difference]: Without dead ends: 248 [2022-02-01 00:06:18,877 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 [2022-02-01 00:06:18,877 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 22 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:18,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 503 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 359 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-02-01 00:06:18,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-02-01 00:06:18,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 235. [2022-02-01 00:06:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.6043478260869566) internal successors, (369), 230 states have internal predecessors, (369), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 373 transitions. [2022-02-01 00:06:18,884 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 373 transitions. Word has length 92 [2022-02-01 00:06:18,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:18,884 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 373 transitions. [2022-02-01 00:06:18,885 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) [2022-02-01 00:06:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 373 transitions. [2022-02-01 00:06:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-01 00:06:18,885 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:18,885 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:18,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-01 00:06:18,886 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:18,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:18,886 INFO L85 PathProgramCache]: Analyzing trace with hash 154015300, now seen corresponding path program 1 times [2022-02-01 00:06:18,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:18,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430250952] [2022-02-01 00:06:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:18,897 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:18,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:18,900 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:18,980 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:18,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430250952] [2022-02-01 00:06:18,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [430250952] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:18,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:18,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:18,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187413937] [2022-02-01 00:06:18,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:18,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:18,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:18,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:18,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:18,981 INFO L87 Difference]: Start difference. First operand 235 states and 373 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) [2022-02-01 00:06:20,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:22,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:24,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:26,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:27,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:27,189 INFO L93 Difference]: Finished difference Result 524 states and 828 transitions. [2022-02-01 00:06:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:27,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 93 [2022-02-01 00:06:27,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:27,191 INFO L225 Difference]: With dead ends: 524 [2022-02-01 00:06:27,191 INFO L226 Difference]: Without dead ends: 315 [2022-02-01 00:06:27,191 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 [2022-02-01 00:06:27,192 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 149 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 61 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:27,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 372 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 484 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-02-01 00:06:27,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-01 00:06:27,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 235. [2022-02-01 00:06:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.5913043478260869) internal successors, (366), 230 states have internal predecessors, (366), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 370 transitions. [2022-02-01 00:06:27,199 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 370 transitions. Word has length 93 [2022-02-01 00:06:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:27,199 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 370 transitions. [2022-02-01 00:06:27,199 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) [2022-02-01 00:06:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 370 transitions. [2022-02-01 00:06:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-02-01 00:06:27,200 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:27,200 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:27,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-01 00:06:27,200 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:27,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:27,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1918310303, now seen corresponding path program 1 times [2022-02-01 00:06:27,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:27,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068587134] [2022-02-01 00:06:27,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:27,211 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:27,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:27,214 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:27,297 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:27,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068587134] [2022-02-01 00:06:27,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1068587134] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:27,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:27,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:27,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235206756] [2022-02-01 00:06:27,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:27,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:27,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:27,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:27,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:27,299 INFO L87 Difference]: Start difference. First operand 235 states and 370 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:29,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:31,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:32,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:32,497 INFO L93 Difference]: Finished difference Result 524 states and 823 transitions. [2022-02-01 00:06:32,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:32,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 94 [2022-02-01 00:06:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:32,499 INFO L225 Difference]: With dead ends: 524 [2022-02-01 00:06:32,499 INFO L226 Difference]: Without dead ends: 315 [2022-02-01 00:06:32,500 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 [2022-02-01 00:06:32,500 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 147 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:32,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 372 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 486 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-02-01 00:06:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-02-01 00:06:32,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 235. [2022-02-01 00:06:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.5782608695652174) internal successors, (363), 230 states have internal predecessors, (363), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 367 transitions. [2022-02-01 00:06:32,508 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 367 transitions. Word has length 94 [2022-02-01 00:06:32,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:32,508 INFO L470 AbstractCegarLoop]: Abstraction has 235 states and 367 transitions. [2022-02-01 00:06:32,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2022-02-01 00:06:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-02-01 00:06:32,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:32,509 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] [2022-02-01 00:06:32,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-01 00:06:32,510 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:32,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:32,510 INFO L85 PathProgramCache]: Analyzing trace with hash -917845546, now seen corresponding path program 1 times [2022-02-01 00:06:32,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:32,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684271474] [2022-02-01 00:06:32,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:32,522 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:32,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:32,525 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:32,614 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:32,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684271474] [2022-02-01 00:06:32,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1684271474] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:32,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:32,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:32,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438507592] [2022-02-01 00:06:32,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:32,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:32,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:32,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:32,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:32,615 INFO L87 Difference]: Start difference. First operand 235 states and 367 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:33,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:35,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:36,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:38,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:38,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:38,400 INFO L93 Difference]: Finished difference Result 486 states and 764 transitions. [2022-02-01 00:06:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:38,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 94 [2022-02-01 00:06:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:38,401 INFO L225 Difference]: With dead ends: 486 [2022-02-01 00:06:38,401 INFO L226 Difference]: Without dead ends: 277 [2022-02-01 00:06:38,402 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 [2022-02-01 00:06:38,402 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 29 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:38,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 517 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 399 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-02-01 00:06:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-02-01 00:06:38,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2022-02-01 00:06:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.5714285714285714) internal successors, (396), 252 states have internal predecessors, (396), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 400 transitions. [2022-02-01 00:06:38,410 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 400 transitions. Word has length 94 [2022-02-01 00:06:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:38,410 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 400 transitions. [2022-02-01 00:06:38,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 400 transitions. [2022-02-01 00:06:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-01 00:06:38,411 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:38,411 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] [2022-02-01 00:06:38,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-01 00:06:38,411 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:38,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:38,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1390114174, now seen corresponding path program 1 times [2022-02-01 00:06:38,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:38,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827167163] [2022-02-01 00:06:38,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:38,425 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:38,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:38,428 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:38,555 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:38,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827167163] [2022-02-01 00:06:38,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1827167163] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:38,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:38,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:38,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83222291] [2022-02-01 00:06:38,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:38,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:38,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:38,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:38,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:38,557 INFO L87 Difference]: Start difference. First operand 257 states and 400 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:39,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:41,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:43,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:45,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:45,929 INFO L93 Difference]: Finished difference Result 606 states and 950 transitions. [2022-02-01 00:06:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:45,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 107 [2022-02-01 00:06:45,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:45,931 INFO L225 Difference]: With dead ends: 606 [2022-02-01 00:06:45,931 INFO L226 Difference]: Without dead ends: 375 [2022-02-01 00:06:45,932 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 [2022-02-01 00:06:45,932 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 146 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:45,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 608 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 601 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-02-01 00:06:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-02-01 00:06:45,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 273. [2022-02-01 00:06:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5559701492537314) internal successors, (417), 268 states have internal predecessors, (417), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:45,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 421 transitions. [2022-02-01 00:06:45,943 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 421 transitions. Word has length 107 [2022-02-01 00:06:45,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:45,943 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 421 transitions. [2022-02-01 00:06:45,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 421 transitions. [2022-02-01 00:06:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-01 00:06:45,944 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:45,944 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:45,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-01 00:06:45,944 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:45,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:45,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1968835916, now seen corresponding path program 1 times [2022-02-01 00:06:45,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:45,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368558483] [2022-02-01 00:06:45,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:45,961 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:45,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:45,964 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:46,089 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:46,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368558483] [2022-02-01 00:06:46,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1368558483] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:46,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:46,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:46,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405537336] [2022-02-01 00:06:46,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:46,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:46,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:46,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:46,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:46,090 INFO L87 Difference]: Start difference. First operand 273 states and 421 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:47,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:49,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:51,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:53,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:53,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:53,768 INFO L93 Difference]: Finished difference Result 533 states and 828 transitions. [2022-02-01 00:06:53,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:06:53,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 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 [2022-02-01 00:06:53,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:53,769 INFO L225 Difference]: With dead ends: 533 [2022-02-01 00:06:53,769 INFO L226 Difference]: Without dead ends: 286 [2022-02-01 00:06:53,770 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 [2022-02-01 00:06:53,770 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 19 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:53,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 580 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 397 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2022-02-01 00:06:53,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-02-01 00:06:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 273. [2022-02-01 00:06:53,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.5522388059701493) internal successors, (416), 268 states have internal predecessors, (416), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 420 transitions. [2022-02-01 00:06:53,780 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 420 transitions. Word has length 108 [2022-02-01 00:06:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:53,780 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 420 transitions. [2022-02-01 00:06:53,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 420 transitions. [2022-02-01 00:06:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-01 00:06:53,781 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:53,781 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:53,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-01 00:06:53,781 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:53,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1634323853, now seen corresponding path program 1 times [2022-02-01 00:06:53,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:53,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112567655] [2022-02-01 00:06:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:53,800 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:53,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:53,804 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:53,896 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:53,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112567655] [2022-02-01 00:06:53,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [112567655] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:53,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:53,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-01 00:06:53,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866948005] [2022-02-01 00:06:53,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:53,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-01 00:06:53,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:53,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-01 00:06:53,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-01 00:06:53,897 INFO L87 Difference]: Start difference. First operand 273 states and 420 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 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) [2022-02-01 00:06:55,905 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 [] [2022-02-01 00:06:56,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:06:56,262 INFO L93 Difference]: Finished difference Result 529 states and 822 transitions. [2022-02-01 00:06:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-01 00:06:56,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 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 109 [2022-02-01 00:06:56,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:06:56,264 INFO L225 Difference]: With dead ends: 529 [2022-02-01 00:06:56,264 INFO L226 Difference]: Without dead ends: 282 [2022-02-01 00:06:56,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-01 00:06:56,264 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 3 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:06:56,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 649 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 435 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-01 00:06:56,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-02-01 00:06:56,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-02-01 00:06:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.5415162454873645) internal successors, (427), 277 states have internal predecessors, (427), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 431 transitions. [2022-02-01 00:06:56,274 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 431 transitions. Word has length 109 [2022-02-01 00:06:56,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:06:56,274 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 431 transitions. [2022-02-01 00:06:56,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 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) [2022-02-01 00:06:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 431 transitions. [2022-02-01 00:06:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-01 00:06:56,275 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:06:56,275 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:06:56,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-01 00:06:56,276 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:06:56,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:06:56,277 INFO L85 PathProgramCache]: Analyzing trace with hash 780374788, now seen corresponding path program 1 times [2022-02-01 00:06:56,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:06:56,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316914783] [2022-02-01 00:06:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:06:56,297 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:06:56,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:06:56,301 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:06:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:06:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:06:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:06:56,376 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:06:56,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316914783] [2022-02-01 00:06:56,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [316914783] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:06:56,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:06:56,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:06:56,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765420421] [2022-02-01 00:06:56,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:06:56,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:06:56,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:06:56,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:06:56,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:06:56,377 INFO L87 Difference]: Start difference. First operand 282 states and 431 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:06:57,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:06:59,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:01,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:02,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:02,105 INFO L93 Difference]: Finished difference Result 555 states and 854 transitions. [2022-02-01 00:07:02,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:02,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-02-01 00:07:02,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:02,107 INFO L225 Difference]: With dead ends: 555 [2022-02-01 00:07:02,107 INFO L226 Difference]: Without dead ends: 299 [2022-02-01 00:07:02,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-01 00:07:02,108 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 35 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:02,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 523 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-02-01 00:07:02,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-02-01 00:07:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2022-02-01 00:07:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 277 states have (on average 1.5379061371841156) internal successors, (426), 277 states have internal predecessors, (426), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:02,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 430 transitions. [2022-02-01 00:07:02,128 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 430 transitions. Word has length 110 [2022-02-01 00:07:02,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:02,128 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 430 transitions. [2022-02-01 00:07:02,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:02,128 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 430 transitions. [2022-02-01 00:07:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-01 00:07:02,129 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:02,129 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:07:02,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-01 00:07:02,129 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:02,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1655258289, now seen corresponding path program 1 times [2022-02-01 00:07:02,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:02,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534786303] [2022-02-01 00:07:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:02,159 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:02,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:02,164 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:02,246 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:02,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534786303] [2022-02-01 00:07:02,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [534786303] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:02,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:02,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:02,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437055014] [2022-02-01 00:07:02,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:02,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:02,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:02,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:02,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:02,247 INFO L87 Difference]: Start difference. First operand 282 states and 430 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 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) [2022-02-01 00:07:06,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:07,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:07,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:07,654 INFO L93 Difference]: Finished difference Result 703 states and 1085 transitions. [2022-02-01 00:07:07,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:07,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 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 116 [2022-02-01 00:07:07,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:07,656 INFO L225 Difference]: With dead ends: 703 [2022-02-01 00:07:07,656 INFO L226 Difference]: Without dead ends: 447 [2022-02-01 00:07:07,657 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 [2022-02-01 00:07:07,657 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 129 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:07,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 384 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 481 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-02-01 00:07:07,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-02-01 00:07:07,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 346. [2022-02-01 00:07:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5542521994134897) internal successors, (530), 341 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) [2022-02-01 00:07:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 534 transitions. [2022-02-01 00:07:07,669 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 534 transitions. Word has length 116 [2022-02-01 00:07:07,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:07,669 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 534 transitions. [2022-02-01 00:07:07,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 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) [2022-02-01 00:07:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 534 transitions. [2022-02-01 00:07:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-02-01 00:07:07,670 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:07,670 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] [2022-02-01 00:07:07,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-01 00:07:07,671 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:07,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:07,671 INFO L85 PathProgramCache]: Analyzing trace with hash 522977736, now seen corresponding path program 1 times [2022-02-01 00:07:07,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:07,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089261817] [2022-02-01 00:07:07,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:07,691 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:07,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:07,708 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:07,785 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:07,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089261817] [2022-02-01 00:07:07,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1089261817] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:07,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:07,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:07,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759580343] [2022-02-01 00:07:07,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:07,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:07,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:07,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:07,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:07,786 INFO L87 Difference]: Start difference. First operand 346 states and 534 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:10,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:12,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:14,253 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 [] [2022-02-01 00:07:14,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:14,691 INFO L93 Difference]: Finished difference Result 745 states and 1151 transitions. [2022-02-01 00:07:14,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:14,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2022-02-01 00:07:14,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:14,693 INFO L225 Difference]: With dead ends: 745 [2022-02-01 00:07:14,693 INFO L226 Difference]: Without dead ends: 425 [2022-02-01 00:07:14,694 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 [2022-02-01 00:07:14,694 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 151 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 62 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:14,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 358 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 474 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2022-02-01 00:07:14,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-02-01 00:07:14,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 346. [2022-02-01 00:07:14,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 341 states have (on average 1.5366568914956011) internal successors, (524), 341 states have internal predecessors, (524), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:14,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 528 transitions. [2022-02-01 00:07:14,707 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 528 transitions. Word has length 121 [2022-02-01 00:07:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:14,708 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 528 transitions. [2022-02-01 00:07:14,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 528 transitions. [2022-02-01 00:07:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-01 00:07:14,708 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:14,709 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:07:14,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-01 00:07:14,709 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:14,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1085303227, now seen corresponding path program 1 times [2022-02-01 00:07:14,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:14,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128411340] [2022-02-01 00:07:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:14,725 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:14,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:14,729 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:14,820 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:14,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128411340] [2022-02-01 00:07:14,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1128411340] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:14,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:14,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:14,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780649651] [2022-02-01 00:07:14,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:14,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:14,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:14,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:14,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:14,821 INFO L87 Difference]: Start difference. First operand 346 states and 528 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:15,832 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 [] [2022-02-01 00:07:16,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:18,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:20,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:20,166 INFO L93 Difference]: Finished difference Result 762 states and 1170 transitions. [2022-02-01 00:07:20,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:20,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2022-02-01 00:07:20,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:20,168 INFO L225 Difference]: With dead ends: 762 [2022-02-01 00:07:20,168 INFO L226 Difference]: Without dead ends: 442 [2022-02-01 00:07:20,169 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 [2022-02-01 00:07:20,169 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 85 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:20,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 495 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 513 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-02-01 00:07:20,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-02-01 00:07:20,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 385. [2022-02-01 00:07:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 380 states have (on average 1.5421052631578946) internal successors, (586), 380 states have internal predecessors, (586), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 590 transitions. [2022-02-01 00:07:20,184 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 590 transitions. Word has length 122 [2022-02-01 00:07:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:20,184 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 590 transitions. [2022-02-01 00:07:20,184 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) [2022-02-01 00:07:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 590 transitions. [2022-02-01 00:07:20,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-02-01 00:07:20,185 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:20,185 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:07:20,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-01 00:07:20,185 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:20,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1972526073, now seen corresponding path program 1 times [2022-02-01 00:07:20,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:20,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975715455] [2022-02-01 00:07:20,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:20,201 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:20,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:20,206 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:20,302 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:20,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975715455] [2022-02-01 00:07:20,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [975715455] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:20,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:20,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:20,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843440109] [2022-02-01 00:07:20,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:20,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:20,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:20,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:20,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:20,303 INFO L87 Difference]: Start difference. First operand 385 states and 590 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) [2022-02-01 00:07:22,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:24,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:26,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:26,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:26,645 INFO L93 Difference]: Finished difference Result 790 states and 1216 transitions. [2022-02-01 00:07:26,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:26,646 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 122 [2022-02-01 00:07:26,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:26,647 INFO L225 Difference]: With dead ends: 790 [2022-02-01 00:07:26,647 INFO L226 Difference]: Without dead ends: 431 [2022-02-01 00:07:26,648 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 [2022-02-01 00:07:26,648 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 35 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:26,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 613 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 460 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-02-01 00:07:26,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-02-01 00:07:26,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 409. [2022-02-01 00:07:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 404 states have (on average 1.5371287128712872) internal successors, (621), 404 states have internal predecessors, (621), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 625 transitions. [2022-02-01 00:07:26,684 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 625 transitions. Word has length 122 [2022-02-01 00:07:26,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:26,684 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 625 transitions. [2022-02-01 00:07:26,684 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) [2022-02-01 00:07:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 625 transitions. [2022-02-01 00:07:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-02-01 00:07:26,685 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:26,685 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:07:26,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-01 00:07:26,686 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:26,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:26,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1777360167, now seen corresponding path program 1 times [2022-02-01 00:07:26,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:26,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642066542] [2022-02-01 00:07:26,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:26,704 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:26,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:26,713 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:26,820 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:26,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642066542] [2022-02-01 00:07:26,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [642066542] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:26,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:26,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:26,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747895665] [2022-02-01 00:07:26,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:26,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:26,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:26,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:26,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:26,821 INFO L87 Difference]: Start difference. First operand 409 states and 625 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) [2022-02-01 00:07:28,054 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 [] [2022-02-01 00:07:30,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:31,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:33,104 INFO L93 Difference]: Finished difference Result 871 states and 1333 transitions. [2022-02-01 00:07:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:33,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2022-02-01 00:07:33,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:33,106 INFO L225 Difference]: With dead ends: 871 [2022-02-01 00:07:33,106 INFO L226 Difference]: Without dead ends: 488 [2022-02-01 00:07:33,107 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 [2022-02-01 00:07:33,107 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 123 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:33,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 358 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 476 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-02-01 00:07:33,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-02-01 00:07:33,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 409. [2022-02-01 00:07:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 404 states have (on average 1.5321782178217822) internal successors, (619), 404 states have internal predecessors, (619), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 623 transitions. [2022-02-01 00:07:33,126 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 623 transitions. Word has length 123 [2022-02-01 00:07:33,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:33,126 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 623 transitions. [2022-02-01 00:07:33,126 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) [2022-02-01 00:07:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 623 transitions. [2022-02-01 00:07:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-02-01 00:07:33,127 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:33,127 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] [2022-02-01 00:07:33,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-01 00:07:33,127 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:33,128 INFO L85 PathProgramCache]: Analyzing trace with hash -371331922, now seen corresponding path program 1 times [2022-02-01 00:07:33,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:33,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486545567] [2022-02-01 00:07:33,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:33,149 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:33,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:33,154 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:33,284 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:33,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486545567] [2022-02-01 00:07:33,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [486545567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:33,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:33,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:33,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414861213] [2022-02-01 00:07:33,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:33,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:33,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:33,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:33,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:33,294 INFO L87 Difference]: Start difference. First operand 409 states and 623 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:35,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:38,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:38,500 INFO L93 Difference]: Finished difference Result 911 states and 1393 transitions. [2022-02-01 00:07:38,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:38,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 130 [2022-02-01 00:07:38,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:38,504 INFO L225 Difference]: With dead ends: 911 [2022-02-01 00:07:38,504 INFO L226 Difference]: Without dead ends: 528 [2022-02-01 00:07:38,505 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 [2022-02-01 00:07:38,505 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 116 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:38,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 359 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 477 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-02-01 00:07:38,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-02-01 00:07:38,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 452. [2022-02-01 00:07:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 447 states have (on average 1.5391498881431767) internal successors, (688), 447 states have internal predecessors, (688), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 692 transitions. [2022-02-01 00:07:38,531 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 692 transitions. Word has length 130 [2022-02-01 00:07:38,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:38,531 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 692 transitions. [2022-02-01 00:07:38,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 692 transitions. [2022-02-01 00:07:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-01 00:07:38,532 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:38,532 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] [2022-02-01 00:07:38,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-01 00:07:38,533 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:38,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:38,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1074816506, now seen corresponding path program 1 times [2022-02-01 00:07:38,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:38,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183352127] [2022-02-01 00:07:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:38,568 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:38,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:38,573 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:38,665 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:38,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183352127] [2022-02-01 00:07:38,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1183352127] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:38,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:38,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:38,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849794654] [2022-02-01 00:07:38,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:38,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:38,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:38,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:38,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:38,666 INFO L87 Difference]: Start difference. First operand 452 states and 692 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) [2022-02-01 00:07:41,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:43,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:44,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:44,194 INFO L93 Difference]: Finished difference Result 926 states and 1421 transitions. [2022-02-01 00:07:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:44,195 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 [2022-02-01 00:07:44,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:44,196 INFO L225 Difference]: With dead ends: 926 [2022-02-01 00:07:44,196 INFO L226 Difference]: Without dead ends: 500 [2022-02-01 00:07:44,197 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 [2022-02-01 00:07:44,197 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 68 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:44,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 495 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 499 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-02-01 00:07:44,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2022-02-01 00:07:44,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 456. [2022-02-01 00:07:44,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 451 states have (on average 1.5343680709534369) internal successors, (692), 451 states have internal predecessors, (692), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 696 transitions. [2022-02-01 00:07:44,218 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 696 transitions. Word has length 131 [2022-02-01 00:07:44,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:44,218 INFO L470 AbstractCegarLoop]: Abstraction has 456 states and 696 transitions. [2022-02-01 00:07:44,218 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) [2022-02-01 00:07:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 696 transitions. [2022-02-01 00:07:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-02-01 00:07:44,220 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:44,220 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:07:44,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-01 00:07:44,220 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1830978153, now seen corresponding path program 1 times [2022-02-01 00:07:44,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:44,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498917511] [2022-02-01 00:07:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:44,259 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:44,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:44,264 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:44,354 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:44,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498917511] [2022-02-01 00:07:44,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1498917511] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:44,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:44,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:44,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246314320] [2022-02-01 00:07:44,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:44,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:44,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:44,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:44,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:44,356 INFO L87 Difference]: Start difference. First operand 456 states and 696 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:45,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:47,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:49,089 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 [] [2022-02-01 00:07:50,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:50,555 INFO L93 Difference]: Finished difference Result 955 states and 1462 transitions. [2022-02-01 00:07:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:50,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 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 138 [2022-02-01 00:07:50,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:50,557 INFO L225 Difference]: With dead ends: 955 [2022-02-01 00:07:50,557 INFO L226 Difference]: Without dead ends: 525 [2022-02-01 00:07:50,558 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 [2022-02-01 00:07:50,559 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 140 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:50,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 394 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 473 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-02-01 00:07:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-02-01 00:07:50,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 456. [2022-02-01 00:07:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 451 states have (on average 1.516629711751663) internal successors, (684), 451 states have internal predecessors, (684), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 688 transitions. [2022-02-01 00:07:50,619 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 688 transitions. Word has length 138 [2022-02-01 00:07:50,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:50,619 INFO L470 AbstractCegarLoop]: Abstraction has 456 states and 688 transitions. [2022-02-01 00:07:50,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 688 transitions. [2022-02-01 00:07:50,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-02-01 00:07:50,621 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:50,621 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] [2022-02-01 00:07:50,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-01 00:07:50,621 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:50,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:50,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1168543706, now seen corresponding path program 1 times [2022-02-01 00:07:50,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:50,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693915439] [2022-02-01 00:07:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:50,674 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:50,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:50,680 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:50,826 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:50,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693915439] [2022-02-01 00:07:50,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [693915439] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:50,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:50,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:50,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582843852] [2022-02-01 00:07:50,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:50,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:50,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:50,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:50,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:50,827 INFO L87 Difference]: Start difference. First operand 456 states and 688 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:54,712 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 [] [2022-02-01 00:07:55,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:07:55,217 INFO L93 Difference]: Finished difference Result 998 states and 1514 transitions. [2022-02-01 00:07:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:07:55,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 143 [2022-02-01 00:07:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:07:55,219 INFO L225 Difference]: With dead ends: 998 [2022-02-01 00:07:55,219 INFO L226 Difference]: Without dead ends: 568 [2022-02-01 00:07:55,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-01 00:07:55,220 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 122 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:07:55,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 378 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-02-01 00:07:55,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2022-02-01 00:07:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 486. [2022-02-01 00:07:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 481 states have (on average 1.5072765072765073) internal successors, (725), 481 states have internal predecessors, (725), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 729 transitions. [2022-02-01 00:07:55,246 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 729 transitions. Word has length 143 [2022-02-01 00:07:55,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:07:55,246 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 729 transitions. [2022-02-01 00:07:55,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 729 transitions. [2022-02-01 00:07:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-01 00:07:55,248 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:07:55,248 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:07:55,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-01 00:07:55,248 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:07:55,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:07:55,248 INFO L85 PathProgramCache]: Analyzing trace with hash 451483400, now seen corresponding path program 1 times [2022-02-01 00:07:55,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:07:55,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079176083] [2022-02-01 00:07:55,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:07:55,270 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:07:55,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:07:55,275 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:07:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:07:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:07:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:07:55,357 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:07:55,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079176083] [2022-02-01 00:07:55,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2079176083] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:07:55,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:07:55,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:07:55,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134729849] [2022-02-01 00:07:55,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:07:55,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:07:55,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:07:55,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:07:55,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:07:55,359 INFO L87 Difference]: Start difference. First operand 486 states and 729 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:07:57,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:07:58,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:00,741 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 [] [2022-02-01 00:08:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:01,251 INFO L93 Difference]: Finished difference Result 1015 states and 1528 transitions. [2022-02-01 00:08:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-01 00:08:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:01,253 INFO L225 Difference]: With dead ends: 1015 [2022-02-01 00:08:01,253 INFO L226 Difference]: Without dead ends: 555 [2022-02-01 00:08:01,254 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 [2022-02-01 00:08:01,254 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 128 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:01,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 408 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-02-01 00:08:01,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-02-01 00:08:01,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 486. [2022-02-01 00:08:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 481 states have (on average 1.4927234927234927) internal successors, (718), 481 states have internal predecessors, (718), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 722 transitions. [2022-02-01 00:08:01,283 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 722 transitions. Word has length 144 [2022-02-01 00:08:01,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:01,283 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 722 transitions. [2022-02-01 00:08:01,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 722 transitions. [2022-02-01 00:08:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-01 00:08:01,284 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:01,284 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] [2022-02-01 00:08:01,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-01 00:08:01,284 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:01,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:01,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1081677761, now seen corresponding path program 1 times [2022-02-01 00:08:01,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:01,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251169754] [2022-02-01 00:08:01,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:01,308 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:01,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:01,313 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:01,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:01,419 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:01,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251169754] [2022-02-01 00:08:01,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [251169754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:01,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:01,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:01,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548425912] [2022-02-01 00:08:01,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:01,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:01,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:01,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:01,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:01,420 INFO L87 Difference]: Start difference. First operand 486 states and 722 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) [2022-02-01 00:08:02,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:05,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:07,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:08,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:08,011 INFO L93 Difference]: Finished difference Result 978 states and 1461 transitions. [2022-02-01 00:08:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:08,011 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 [2022-02-01 00:08:08,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:08,013 INFO L225 Difference]: With dead ends: 978 [2022-02-01 00:08:08,013 INFO L226 Difference]: Without dead ends: 518 [2022-02-01 00:08:08,014 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 [2022-02-01 00:08:08,014 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 66 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:08,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 527 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 490 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-02-01 00:08:08,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-02-01 00:08:08,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 486. [2022-02-01 00:08:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 481 states have (on average 1.4906444906444907) internal successors, (717), 481 states have internal predecessors, (717), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 721 transitions. [2022-02-01 00:08:08,043 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 721 transitions. Word has length 144 [2022-02-01 00:08:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:08,043 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 721 transitions. [2022-02-01 00:08:08,043 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) [2022-02-01 00:08:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 721 transitions. [2022-02-01 00:08:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-01 00:08:08,044 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:08,044 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:08:08,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-01 00:08:08,045 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:08,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:08,046 INFO L85 PathProgramCache]: Analyzing trace with hash -605247802, now seen corresponding path program 1 times [2022-02-01 00:08:08,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:08,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397903203] [2022-02-01 00:08:08,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:08,091 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:08,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:08,098 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:08,179 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:08,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397903203] [2022-02-01 00:08:08,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [397903203] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:08,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:08,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:08:08,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295833800] [2022-02-01 00:08:08,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:08,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:08:08,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:08,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:08:08,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:08:08,180 INFO L87 Difference]: Start difference. First operand 486 states and 721 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:10,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:10,480 INFO L93 Difference]: Finished difference Result 1401 states and 2097 transitions. [2022-02-01 00:08:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-01 00:08:10,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-01 00:08:10,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:10,484 INFO L225 Difference]: With dead ends: 1401 [2022-02-01 00:08:10,484 INFO L226 Difference]: Without dead ends: 941 [2022-02-01 00:08:10,485 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 [2022-02-01 00:08:10,485 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 142 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:10,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 433 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-01 00:08:10,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2022-02-01 00:08:10,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 939. [2022-02-01 00:08:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 934 states have (on average 1.4871520342612419) internal successors, (1389), 934 states have internal predecessors, (1389), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1393 transitions. [2022-02-01 00:08:10,557 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1393 transitions. Word has length 144 [2022-02-01 00:08:10,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:10,557 INFO L470 AbstractCegarLoop]: Abstraction has 939 states and 1393 transitions. [2022-02-01 00:08:10,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1393 transitions. [2022-02-01 00:08:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-02-01 00:08:10,559 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:10,559 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:08:10,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-01 00:08:10,559 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:10,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:10,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1844352328, now seen corresponding path program 1 times [2022-02-01 00:08:10,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:10,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321567772] [2022-02-01 00:08:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:10,581 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:10,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:10,587 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:10,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:10,680 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:10,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321567772] [2022-02-01 00:08:10,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [321567772] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:10,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:10,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:10,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183977190] [2022-02-01 00:08:10,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:10,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:10,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:10,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:10,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:10,683 INFO L87 Difference]: Start difference. First operand 939 states and 1393 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:12,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:14,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:16,563 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 [] [2022-02-01 00:08:18,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:18,359 INFO L93 Difference]: Finished difference Result 2065 states and 3065 transitions. [2022-02-01 00:08:18,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:18,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 144 [2022-02-01 00:08:18,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:18,365 INFO L225 Difference]: With dead ends: 2065 [2022-02-01 00:08:18,365 INFO L226 Difference]: Without dead ends: 1152 [2022-02-01 00:08:18,366 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 [2022-02-01 00:08:18,367 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 112 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 50 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:18,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 396 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 471 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-02-01 00:08:18,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-02-01 00:08:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1013. [2022-02-01 00:08:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1008 states have (on average 1.4871031746031746) internal successors, (1499), 1008 states have internal predecessors, (1499), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1503 transitions. [2022-02-01 00:08:18,528 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1503 transitions. Word has length 144 [2022-02-01 00:08:18,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:18,528 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1503 transitions. [2022-02-01 00:08:18,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1503 transitions. [2022-02-01 00:08:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-01 00:08:18,530 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:18,530 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] [2022-02-01 00:08:18,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-01 00:08:18,530 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:18,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:18,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1583670423, now seen corresponding path program 1 times [2022-02-01 00:08:18,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:18,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562861441] [2022-02-01 00:08:18,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:18,574 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:18,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:18,581 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:18,664 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:18,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562861441] [2022-02-01 00:08:18,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [562861441] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:18,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:18,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:18,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505992918] [2022-02-01 00:08:18,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:18,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:18,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:18,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:18,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:18,665 INFO L87 Difference]: Start difference. First operand 1013 states and 1503 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) [2022-02-01 00:08:21,187 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 [] [2022-02-01 00:08:23,136 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 [] [2022-02-01 00:08:24,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:24,206 INFO L93 Difference]: Finished difference Result 2219 states and 3290 transitions. [2022-02-01 00:08:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:24,207 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 [2022-02-01 00:08:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:24,210 INFO L225 Difference]: With dead ends: 2219 [2022-02-01 00:08:24,210 INFO L226 Difference]: Without dead ends: 1232 [2022-02-01 00:08:24,212 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 [2022-02-01 00:08:24,213 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 124 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:24,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 394 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-02-01 00:08:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2022-02-01 00:08:24,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1069. [2022-02-01 00:08:24,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 1064 states have (on average 1.4727443609022557) internal successors, (1567), 1064 states have internal predecessors, (1567), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1571 transitions. [2022-02-01 00:08:24,289 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1571 transitions. Word has length 147 [2022-02-01 00:08:24,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:24,290 INFO L470 AbstractCegarLoop]: Abstraction has 1069 states and 1571 transitions. [2022-02-01 00:08:24,290 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) [2022-02-01 00:08:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1571 transitions. [2022-02-01 00:08:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-02-01 00:08:24,291 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:24,292 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] [2022-02-01 00:08:24,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-01 00:08:24,292 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:24,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:24,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2101116514, now seen corresponding path program 1 times [2022-02-01 00:08:24,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:24,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116159103] [2022-02-01 00:08:24,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:24,316 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:24,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:24,323 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:24,400 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:24,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116159103] [2022-02-01 00:08:24,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2116159103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:24,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:24,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:24,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229879193] [2022-02-01 00:08:24,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:24,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:24,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:24,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:24,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:24,401 INFO L87 Difference]: Start difference. First operand 1069 states and 1571 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) [2022-02-01 00:08:25,805 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 [] [2022-02-01 00:08:27,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:29,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:31,885 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 [] [2022-02-01 00:08:32,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:32,381 INFO L93 Difference]: Finished difference Result 2159 states and 3173 transitions. [2022-02-01 00:08:32,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:32,381 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 [2022-02-01 00:08:32,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:32,384 INFO L225 Difference]: With dead ends: 2159 [2022-02-01 00:08:32,384 INFO L226 Difference]: Without dead ends: 1116 [2022-02-01 00:08:32,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-01 00:08:32,386 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 57 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:32,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 545 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 470 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-02-01 00:08:32,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-02-01 00:08:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1069. [2022-02-01 00:08:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 1064 states have (on average 1.4708646616541354) internal successors, (1565), 1064 states have internal predecessors, (1565), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1569 transitions. [2022-02-01 00:08:32,448 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1569 transitions. Word has length 148 [2022-02-01 00:08:32,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:32,448 INFO L470 AbstractCegarLoop]: Abstraction has 1069 states and 1569 transitions. [2022-02-01 00:08:32,448 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) [2022-02-01 00:08:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1569 transitions. [2022-02-01 00:08:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-02-01 00:08:32,449 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:32,449 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:08:32,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-01 00:08:32,450 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:32,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:32,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1599014063, now seen corresponding path program 1 times [2022-02-01 00:08:32,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:32,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368158359] [2022-02-01 00:08:32,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:32,488 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:32,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:32,495 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:32,603 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:32,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368158359] [2022-02-01 00:08:32,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1368158359] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:32,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:32,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-01 00:08:32,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541958446] [2022-02-01 00:08:32,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:32,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-01 00:08:32,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:32,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-01 00:08:32,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-01 00:08:32,604 INFO L87 Difference]: Start difference. First operand 1069 states and 1569 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:35,621 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 [] [2022-02-01 00:08:37,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:39,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:40,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:41,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:41,282 INFO L93 Difference]: Finished difference Result 2668 states and 3921 transitions. [2022-02-01 00:08:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-01 00:08:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-02-01 00:08:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:41,294 INFO L225 Difference]: With dead ends: 2668 [2022-02-01 00:08:41,294 INFO L226 Difference]: Without dead ends: 1625 [2022-02-01 00:08:41,296 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 [2022-02-01 00:08:41,296 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 88 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:41,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 820 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 749 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-02-01 00:08:41,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2022-02-01 00:08:41,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1608. [2022-02-01 00:08:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1603 states have (on average 1.470991890205864) internal successors, (2358), 1603 states have internal predecessors, (2358), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2362 transitions. [2022-02-01 00:08:41,414 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2362 transitions. Word has length 153 [2022-02-01 00:08:41,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:41,415 INFO L470 AbstractCegarLoop]: Abstraction has 1608 states and 2362 transitions. [2022-02-01 00:08:41,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 5 states have internal predecessors, (121), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2362 transitions. [2022-02-01 00:08:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-02-01 00:08:41,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:41,417 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:08:41,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-01 00:08:41,417 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:41,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:41,417 INFO L85 PathProgramCache]: Analyzing trace with hash 367222856, now seen corresponding path program 1 times [2022-02-01 00:08:41,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:41,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610497546] [2022-02-01 00:08:41,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:41,442 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:41,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:41,449 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:41,540 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:41,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610497546] [2022-02-01 00:08:41,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [610497546] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:41,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:41,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:41,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040241406] [2022-02-01 00:08:41,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:41,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:41,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:41,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:41,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:41,541 INFO L87 Difference]: Start difference. First operand 1608 states and 2362 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) [2022-02-01 00:08:42,763 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 [] [2022-02-01 00:08:44,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:46,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:48,560 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 [] [2022-02-01 00:08:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:49,041 INFO L93 Difference]: Finished difference Result 3248 states and 4770 transitions. [2022-02-01 00:08:49,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:49,042 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 154 [2022-02-01 00:08:49,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:49,046 INFO L225 Difference]: With dead ends: 3248 [2022-02-01 00:08:49,046 INFO L226 Difference]: Without dead ends: 1666 [2022-02-01 00:08:49,048 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 [2022-02-01 00:08:49,058 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 54 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:49,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 535 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 459 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-02-01 00:08:49,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-02-01 00:08:49,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1608. [2022-02-01 00:08:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1603 states have (on average 1.4691203992514037) internal successors, (2355), 1603 states have internal predecessors, (2355), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2359 transitions. [2022-02-01 00:08:49,199 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2359 transitions. Word has length 154 [2022-02-01 00:08:49,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:49,199 INFO L470 AbstractCegarLoop]: Abstraction has 1608 states and 2359 transitions. [2022-02-01 00:08:49,199 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) [2022-02-01 00:08:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2359 transitions. [2022-02-01 00:08:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-01 00:08:49,201 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:49,201 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:08:49,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-01 00:08:49,201 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash 82591744, now seen corresponding path program 1 times [2022-02-01 00:08:49,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:49,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522470251] [2022-02-01 00:08:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:49,223 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:49,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:49,230 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:49,328 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:49,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522470251] [2022-02-01 00:08:49,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1522470251] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:49,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:49,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:49,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732547053] [2022-02-01 00:08:49,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:49,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:49,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:49,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:49,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:49,329 INFO L87 Difference]: Start difference. First operand 1608 states and 2359 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) [2022-02-01 00:08:52,444 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 [] [2022-02-01 00:08:54,469 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 [] [2022-02-01 00:08:54,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:54,973 INFO L93 Difference]: Finished difference Result 3248 states and 4764 transitions. [2022-02-01 00:08:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:54,974 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 [2022-02-01 00:08:54,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:55,007 INFO L225 Difference]: With dead ends: 3248 [2022-02-01 00:08:55,008 INFO L226 Difference]: Without dead ends: 1666 [2022-02-01 00:08:55,010 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 [2022-02-01 00:08:55,010 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 43 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:55,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 535 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 459 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-02-01 00:08:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-02-01 00:08:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1608. [2022-02-01 00:08:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1603 states have (on average 1.4672489082969433) internal successors, (2352), 1603 states have internal predecessors, (2352), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2356 transitions. [2022-02-01 00:08:55,117 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2356 transitions. Word has length 155 [2022-02-01 00:08:55,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:55,117 INFO L470 AbstractCegarLoop]: Abstraction has 1608 states and 2356 transitions. [2022-02-01 00:08:55,117 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) [2022-02-01 00:08:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2356 transitions. [2022-02-01 00:08:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-02-01 00:08:55,119 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:55,119 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:08:55,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-01 00:08:55,119 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:55,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1451116876, now seen corresponding path program 1 times [2022-02-01 00:08:55,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:55,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452449310] [2022-02-01 00:08:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:55,149 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:55,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:55,156 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:55,256 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:55,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452449310] [2022-02-01 00:08:55,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1452449310] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:55,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:55,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:55,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937856840] [2022-02-01 00:08:55,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:55,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:55,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:55,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:55,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:55,257 INFO L87 Difference]: Start difference. First operand 1608 states and 2356 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:57,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:08:57,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:08:57,855 INFO L93 Difference]: Finished difference Result 3323 states and 4866 transitions. [2022-02-01 00:08:57,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:08:57,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 156 [2022-02-01 00:08:57,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:08:57,860 INFO L225 Difference]: With dead ends: 3323 [2022-02-01 00:08:57,860 INFO L226 Difference]: Without dead ends: 1741 [2022-02-01 00:08:57,862 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 [2022-02-01 00:08:57,863 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 116 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-01 00:08:57,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 378 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-01 00:08:57,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2022-02-01 00:08:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1606. [2022-02-01 00:08:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1601 states have (on average 1.457214241099313) internal successors, (2333), 1601 states have internal predecessors, (2333), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2337 transitions. [2022-02-01 00:08:57,974 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2337 transitions. Word has length 156 [2022-02-01 00:08:57,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:08:57,975 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 2337 transitions. [2022-02-01 00:08:57,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:08:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2337 transitions. [2022-02-01 00:08:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-02-01 00:08:57,977 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:08:57,977 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:08:57,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-01 00:08:57,977 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:08:57,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:08:57,978 INFO L85 PathProgramCache]: Analyzing trace with hash -835877724, now seen corresponding path program 1 times [2022-02-01 00:08:57,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:08:57,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438210888] [2022-02-01 00:08:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:08:58,007 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:08:58,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:08:58,021 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:08:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:08:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:08:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:08:58,103 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:08:58,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438210888] [2022-02-01 00:08:58,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [438210888] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:08:58,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:08:58,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:08:58,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426660261] [2022-02-01 00:08:58,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:08:58,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:08:58,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:08:58,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:08:58,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:08:58,104 INFO L87 Difference]: Start difference. First operand 1606 states and 2337 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:01,948 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 [] [2022-02-01 00:09:02,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:02,523 INFO L93 Difference]: Finished difference Result 3582 states and 5209 transitions. [2022-02-01 00:09:02,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:09:02,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 159 [2022-02-01 00:09:02,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:02,531 INFO L225 Difference]: With dead ends: 3582 [2022-02-01 00:09:02,531 INFO L226 Difference]: Without dead ends: 2002 [2022-02-01 00:09:02,535 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 [2022-02-01 00:09:02,535 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 125 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:02,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 448 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-02-01 00:09:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2022-02-01 00:09:02,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1710. [2022-02-01 00:09:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1705 states have (on average 1.4404692082111437) internal successors, (2456), 1705 states have internal predecessors, (2456), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2460 transitions. [2022-02-01 00:09:02,722 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2460 transitions. Word has length 159 [2022-02-01 00:09:02,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:02,723 INFO L470 AbstractCegarLoop]: Abstraction has 1710 states and 2460 transitions. [2022-02-01 00:09:02,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2460 transitions. [2022-02-01 00:09:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-02-01 00:09:02,726 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:02,726 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:09:02,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-01 00:09:02,726 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:02,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:02,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1372746109, now seen corresponding path program 1 times [2022-02-01 00:09:02,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:02,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446097812] [2022-02-01 00:09:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:02,775 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:02,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:02,784 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:09:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:09:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:09:02,898 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:09:02,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446097812] [2022-02-01 00:09:02,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1446097812] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:09:02,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:09:02,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:09:02,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4214299] [2022-02-01 00:09:02,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:09:02,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:09:02,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:09:02,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:09:02,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:09:02,899 INFO L87 Difference]: Start difference. First operand 1710 states and 2460 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) [2022-02-01 00:09:05,735 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 [] [2022-02-01 00:09:07,768 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 [] [2022-02-01 00:09:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:08,919 INFO L93 Difference]: Finished difference Result 3527 states and 5074 transitions. [2022-02-01 00:09:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:09:08,919 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 160 [2022-02-01 00:09:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:08,925 INFO L225 Difference]: With dead ends: 3527 [2022-02-01 00:09:08,925 INFO L226 Difference]: Without dead ends: 1843 [2022-02-01 00:09:08,927 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 [2022-02-01 00:09:08,927 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 124 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:08,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 378 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 464 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-02-01 00:09:08,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-02-01 00:09:09,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1710. [2022-02-01 00:09:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1705 states have (on average 1.4234604105571846) internal successors, (2427), 1705 states have internal predecessors, (2427), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2431 transitions. [2022-02-01 00:09:09,068 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2431 transitions. Word has length 160 [2022-02-01 00:09:09,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:09,068 INFO L470 AbstractCegarLoop]: Abstraction has 1710 states and 2431 transitions. [2022-02-01 00:09:09,068 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) [2022-02-01 00:09:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2431 transitions. [2022-02-01 00:09:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-02-01 00:09:09,070 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:09,071 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:09:09,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-01 00:09:09,071 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:09,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1019971066, now seen corresponding path program 1 times [2022-02-01 00:09:09,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:09,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707040562] [2022-02-01 00:09:09,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:09,131 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:09,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:09,138 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:09:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:09:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:09:09,228 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:09:09,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707040562] [2022-02-01 00:09:09,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [707040562] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:09:09,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:09:09,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:09:09,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378911224] [2022-02-01 00:09:09,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:09:09,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:09:09,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:09:09,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:09:09,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:09:09,230 INFO L87 Difference]: Start difference. First operand 1710 states and 2431 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:11,577 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 [] [2022-02-01 00:09:13,600 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 [] [2022-02-01 00:09:14,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:14,891 INFO L93 Difference]: Finished difference Result 3613 states and 5140 transitions. [2022-02-01 00:09:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:09:14,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 163 [2022-02-01 00:09:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:14,901 INFO L225 Difference]: With dead ends: 3613 [2022-02-01 00:09:14,901 INFO L226 Difference]: Without dead ends: 1929 [2022-02-01 00:09:14,903 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 [2022-02-01 00:09:14,904 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 117 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:14,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 378 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 465 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-02-01 00:09:14,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2022-02-01 00:09:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1776. [2022-02-01 00:09:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1771 states have (on average 1.4150197628458498) internal successors, (2506), 1771 states have internal predecessors, (2506), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2510 transitions. [2022-02-01 00:09:15,042 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2510 transitions. Word has length 163 [2022-02-01 00:09:15,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:15,042 INFO L470 AbstractCegarLoop]: Abstraction has 1776 states and 2510 transitions. [2022-02-01 00:09:15,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2510 transitions. [2022-02-01 00:09:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-02-01 00:09:15,044 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:15,045 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:09:15,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-01 00:09:15,045 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:15,045 INFO L85 PathProgramCache]: Analyzing trace with hash -831061670, now seen corresponding path program 1 times [2022-02-01 00:09:15,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:15,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356743499] [2022-02-01 00:09:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:15,071 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:15,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:15,078 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:09:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:09:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:09:15,156 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:09:15,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356743499] [2022-02-01 00:09:15,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1356743499] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:09:15,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:09:15,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:09:15,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602890081] [2022-02-01 00:09:15,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:09:15,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:09:15,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:09:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:09:15,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:09:15,157 INFO L87 Difference]: Start difference. First operand 1776 states and 2510 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) [2022-02-01 00:09:17,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:19,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:21,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:21,965 INFO L93 Difference]: Finished difference Result 3551 states and 5021 transitions. [2022-02-01 00:09:21,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:09:21,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 164 [2022-02-01 00:09:21,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:21,972 INFO L225 Difference]: With dead ends: 3551 [2022-02-01 00:09:21,972 INFO L226 Difference]: Without dead ends: 1801 [2022-02-01 00:09:21,974 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 [2022-02-01 00:09:21,975 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 28 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:21,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 547 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 447 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-02-01 00:09:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2022-02-01 00:09:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1765. [2022-02-01 00:09:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1760 states have (on average 1.415909090909091) internal successors, (2492), 1760 states have internal predecessors, (2492), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2496 transitions. [2022-02-01 00:09:22,118 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2496 transitions. Word has length 164 [2022-02-01 00:09:22,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:22,118 INFO L470 AbstractCegarLoop]: Abstraction has 1765 states and 2496 transitions. [2022-02-01 00:09:22,118 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) [2022-02-01 00:09:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2496 transitions. [2022-02-01 00:09:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-02-01 00:09:22,120 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:22,120 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, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:09:22,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-01 00:09:22,121 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:22,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:22,121 INFO L85 PathProgramCache]: Analyzing trace with hash 124320522, now seen corresponding path program 1 times [2022-02-01 00:09:22,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:22,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774618035] [2022-02-01 00:09:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:22,145 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:22,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:22,161 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:09:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:09:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:09:22,268 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:09:22,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774618035] [2022-02-01 00:09:22,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1774618035] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:09:22,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:09:22,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:09:22,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933117264] [2022-02-01 00:09:22,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:09:22,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:09:22,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:09:22,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:09:22,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:09:22,269 INFO L87 Difference]: Start difference. First operand 1765 states and 2496 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:24,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:25,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:26,804 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 [] [2022-02-01 00:09:27,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:27,312 INFO L93 Difference]: Finished difference Result 3554 states and 5026 transitions. [2022-02-01 00:09:27,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:09:27,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 166 [2022-02-01 00:09:27,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:27,318 INFO L225 Difference]: With dead ends: 3554 [2022-02-01 00:09:27,319 INFO L226 Difference]: Without dead ends: 1815 [2022-02-01 00:09:27,321 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 [2022-02-01 00:09:27,321 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 29 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:27,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 592 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-02-01 00:09:27,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-02-01 00:09:27,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1765. [2022-02-01 00:09:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1760 states have (on average 1.4136363636363636) internal successors, (2488), 1760 states have internal predecessors, (2488), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2492 transitions. [2022-02-01 00:09:27,485 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2492 transitions. Word has length 166 [2022-02-01 00:09:27,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:27,492 INFO L470 AbstractCegarLoop]: Abstraction has 1765 states and 2492 transitions. [2022-02-01 00:09:27,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2492 transitions. [2022-02-01 00:09:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-02-01 00:09:27,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:27,496 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] [2022-02-01 00:09:27,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-01 00:09:27,496 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:27,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:27,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1790268022, now seen corresponding path program 1 times [2022-02-01 00:09:27,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:27,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993911369] [2022-02-01 00:09:27,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:27,535 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:27,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:27,543 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:09:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:09:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:09:27,827 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:09:27,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993911369] [2022-02-01 00:09:27,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1993911369] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:09:27,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:09:27,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-01 00:09:27,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917436985] [2022-02-01 00:09:27,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:09:27,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-01 00:09:27,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:09:27,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-01 00:09:27,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-01 00:09:27,829 INFO L87 Difference]: Start difference. First operand 1765 states and 2492 transitions. Second operand has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-02-01 00:09:29,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:31,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:34,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:36,035 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 [] [2022-02-01 00:09:36,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:36,742 INFO L93 Difference]: Finished difference Result 3523 states and 4976 transitions. [2022-02-01 00:09:36,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-01 00:09:36,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 171 [2022-02-01 00:09:36,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:36,749 INFO L225 Difference]: With dead ends: 3523 [2022-02-01 00:09:36,749 INFO L226 Difference]: Without dead ends: 1765 [2022-02-01 00:09:36,750 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 [2022-02-01 00:09:36,751 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:36,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 862 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 445 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2022-02-01 00:09:36,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-02-01 00:09:36,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1765. [2022-02-01 00:09:36,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1760 states have (on average 1.4130681818181818) internal successors, (2487), 1760 states have internal predecessors, (2487), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2491 transitions. [2022-02-01 00:09:36,888 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2491 transitions. Word has length 171 [2022-02-01 00:09:36,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:36,888 INFO L470 AbstractCegarLoop]: Abstraction has 1765 states and 2491 transitions. [2022-02-01 00:09:36,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-02-01 00:09:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2491 transitions. [2022-02-01 00:09:36,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-02-01 00:09:36,891 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:36,891 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] [2022-02-01 00:09:36,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-01 00:09:36,892 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:36,892 INFO L85 PathProgramCache]: Analyzing trace with hash -132982408, now seen corresponding path program 1 times [2022-02-01 00:09:36,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:36,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547931819] [2022-02-01 00:09:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:36,969 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:36,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:36,981 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:09:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:09:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:09:37,713 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:09:37,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547931819] [2022-02-01 00:09:37,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1547931819] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:09:37,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:09:37,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-01 00:09:37,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083100513] [2022-02-01 00:09:37,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:09:37,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-01 00:09:37,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:09:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-01 00:09:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-02-01 00:09:37,715 INFO L87 Difference]: Start difference. First operand 1765 states and 2491 transitions. Second operand has 12 states, 11 states have (on average 13.818181818181818) internal successors, (152), 10 states have internal predecessors, (152), 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) [2022-02-01 00:09:41,166 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 [] [2022-02-01 00:09:42,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:44,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:46,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:48,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:50,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:50,241 INFO L93 Difference]: Finished difference Result 5375 states and 7602 transitions. [2022-02-01 00:09:50,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-01 00:09:50,241 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.818181818181818) internal successors, (152), 10 states have internal predecessors, (152), 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 171 [2022-02-01 00:09:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:50,247 INFO L225 Difference]: With dead ends: 5375 [2022-02-01 00:09:50,247 INFO L226 Difference]: Without dead ends: 3636 [2022-02-01 00:09:50,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2022-02-01 00:09:50,249 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 432 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 122 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:50,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 1196 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1436 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2022-02-01 00:09:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3636 states. [2022-02-01 00:09:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3636 to 3360. [2022-02-01 00:09:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3355 states have (on average 1.4163934426229507) internal successors, (4752), 3355 states have internal predecessors, (4752), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4756 transitions. [2022-02-01 00:09:50,567 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4756 transitions. Word has length 171 [2022-02-01 00:09:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:50,567 INFO L470 AbstractCegarLoop]: Abstraction has 3360 states and 4756 transitions. [2022-02-01 00:09:50,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.818181818181818) internal successors, (152), 10 states have internal predecessors, (152), 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) [2022-02-01 00:09:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4756 transitions. [2022-02-01 00:09:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-02-01 00:09:50,570 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:50,570 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:09:50,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-01 00:09:50,570 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:50,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1121451769, now seen corresponding path program 1 times [2022-02-01 00:09:50,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:50,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325398467] [2022-02-01 00:09:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:50,602 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:50,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:50,613 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:09:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:09:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:09:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:09:50,733 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:09:50,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325398467] [2022-02-01 00:09:50,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [325398467] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:09:50,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:09:50,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:09:50,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99680744] [2022-02-01 00:09:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:09:50,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:09:50,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:09:50,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:09:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:09:50,735 INFO L87 Difference]: Start difference. First operand 3360 states and 4756 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:52,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:54,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:56,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:58,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:09:59,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:09:59,486 INFO L93 Difference]: Finished difference Result 6840 states and 9687 transitions. [2022-02-01 00:09:59,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:09:59,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 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 185 [2022-02-01 00:09:59,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:09:59,492 INFO L225 Difference]: With dead ends: 6840 [2022-02-01 00:09:59,492 INFO L226 Difference]: Without dead ends: 3506 [2022-02-01 00:09:59,495 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 [2022-02-01 00:09:59,496 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 69 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-02-01 00:09:59,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 568 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 510 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-02-01 00:09:59,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3506 states. [2022-02-01 00:09:59,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3506 to 3360. [2022-02-01 00:09:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3355 states have (on average 1.4152011922503727) internal successors, (4748), 3355 states have internal predecessors, (4748), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4752 transitions. [2022-02-01 00:09:59,822 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4752 transitions. Word has length 185 [2022-02-01 00:09:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:09:59,823 INFO L470 AbstractCegarLoop]: Abstraction has 3360 states and 4752 transitions. [2022-02-01 00:09:59,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:09:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4752 transitions. [2022-02-01 00:09:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-02-01 00:09:59,826 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:09:59,826 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:09:59,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-01 00:09:59,826 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:09:59,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:09:59,826 INFO L85 PathProgramCache]: Analyzing trace with hash 529789738, now seen corresponding path program 1 times [2022-02-01 00:09:59,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:09:59,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917026442] [2022-02-01 00:09:59,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:09:59,924 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:09:59,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:09:59,932 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:10:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:10:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:10:00,074 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:10:00,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917026442] [2022-02-01 00:10:00,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [917026442] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:10:00,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:10:00,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:10:00,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272991691] [2022-02-01 00:10:00,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:10:00,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:10:00,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:10:00,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:10:00,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:10:00,075 INFO L87 Difference]: Start difference. First operand 3360 states and 4752 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:02,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:04,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:05,228 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 [] [2022-02-01 00:10:06,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:10:06,139 INFO L93 Difference]: Finished difference Result 6808 states and 9627 transitions. [2022-02-01 00:10:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:10:06,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 189 [2022-02-01 00:10:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:10:06,144 INFO L225 Difference]: With dead ends: 6808 [2022-02-01 00:10:06,144 INFO L226 Difference]: Without dead ends: 3474 [2022-02-01 00:10:06,149 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 [2022-02-01 00:10:06,149 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 61 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:10:06,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 586 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 494 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-02-01 00:10:06,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3474 states. [2022-02-01 00:10:06,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3474 to 3360. [2022-02-01 00:10:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3355 states have (on average 1.4140089418777944) internal successors, (4744), 3355 states have internal predecessors, (4744), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4748 transitions. [2022-02-01 00:10:06,493 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4748 transitions. Word has length 189 [2022-02-01 00:10:06,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:10:06,493 INFO L470 AbstractCegarLoop]: Abstraction has 3360 states and 4748 transitions. [2022-02-01 00:10:06,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4748 transitions. [2022-02-01 00:10:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-02-01 00:10:06,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:10:06,496 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:10:06,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-01 00:10:06,496 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:10:06,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:10:06,496 INFO L85 PathProgramCache]: Analyzing trace with hash -186225760, now seen corresponding path program 1 times [2022-02-01 00:10:06,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:10:06,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564966506] [2022-02-01 00:10:06,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:10:06,550 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:10:06,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:10:06,559 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:10:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:10:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:10:06,655 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:10:06,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564966506] [2022-02-01 00:10:06,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [564966506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:10:06,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:10:06,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:10:06,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010015734] [2022-02-01 00:10:06,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:10:06,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:10:06,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:10:06,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:10:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:10:06,656 INFO L87 Difference]: Start difference. First operand 3360 states and 4748 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:08,610 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 [] [2022-02-01 00:10:10,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:11,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:12,958 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 [] [2022-02-01 00:10:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:10:13,797 INFO L93 Difference]: Finished difference Result 6952 states and 9828 transitions. [2022-02-01 00:10:13,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:10:13,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 194 [2022-02-01 00:10:13,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:10:13,820 INFO L225 Difference]: With dead ends: 6952 [2022-02-01 00:10:13,820 INFO L226 Difference]: Without dead ends: 3618 [2022-02-01 00:10:13,824 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 [2022-02-01 00:10:13,825 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 119 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:10:13,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 378 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-02-01 00:10:13,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2022-02-01 00:10:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3360. [2022-02-01 00:10:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3355 states have (on average 1.4038748137108792) internal successors, (4710), 3355 states have internal predecessors, (4710), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4714 transitions. [2022-02-01 00:10:14,241 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4714 transitions. Word has length 194 [2022-02-01 00:10:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:10:14,241 INFO L470 AbstractCegarLoop]: Abstraction has 3360 states and 4714 transitions. [2022-02-01 00:10:14,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4714 transitions. [2022-02-01 00:10:14,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-02-01 00:10:14,244 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:10:14,244 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:10:14,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-01 00:10:14,244 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:10:14,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:10:14,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1829414344, now seen corresponding path program 1 times [2022-02-01 00:10:14,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:10:14,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112573189] [2022-02-01 00:10:14,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:10:14,278 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:10:14,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:10:14,286 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:10:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:10:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:10:14,400 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:10:14,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112573189] [2022-02-01 00:10:14,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [112573189] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:10:14,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:10:14,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:10:14,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326309862] [2022-02-01 00:10:14,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:10:14,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:10:14,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:10:14,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:10:14,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:10:14,402 INFO L87 Difference]: Start difference. First operand 3360 states and 4714 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:16,714 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 [] [2022-02-01 00:10:18,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:19,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:10:20,737 INFO L93 Difference]: Finished difference Result 6796 states and 9537 transitions. [2022-02-01 00:10:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:10:20,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 196 [2022-02-01 00:10:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:10:20,742 INFO L225 Difference]: With dead ends: 6796 [2022-02-01 00:10:20,742 INFO L226 Difference]: Without dead ends: 3462 [2022-02-01 00:10:20,746 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 [2022-02-01 00:10:20,747 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 51 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-02-01 00:10:20,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 588 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 491 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-02-01 00:10:20,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2022-02-01 00:10:21,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 3360. [2022-02-01 00:10:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3355 states have (on average 1.402682563338301) internal successors, (4706), 3355 states have internal predecessors, (4706), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4710 transitions. [2022-02-01 00:10:21,164 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4710 transitions. Word has length 196 [2022-02-01 00:10:21,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:10:21,164 INFO L470 AbstractCegarLoop]: Abstraction has 3360 states and 4710 transitions. [2022-02-01 00:10:21,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4710 transitions. [2022-02-01 00:10:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-01 00:10:21,167 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:10:21,167 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:10:21,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-01 00:10:21,167 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:10:21,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:10:21,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1214984088, now seen corresponding path program 1 times [2022-02-01 00:10:21,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:10:21,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386746147] [2022-02-01 00:10:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:10:21,259 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:10:21,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:10:21,268 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:10:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:10:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:10:21,979 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:10:21,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386746147] [2022-02-01 00:10:21,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [386746147] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:10:21,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:10:21,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-01 00:10:21,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598875948] [2022-02-01 00:10:21,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:10:21,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-01 00:10:21,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:10:21,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-01 00:10:21,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-01 00:10:21,980 INFO L87 Difference]: Start difference. First operand 3360 states and 4710 transitions. Second operand has 9 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 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) [2022-02-01 00:10:24,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:25,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:27,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:30,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:10:32,439 INFO L93 Difference]: Finished difference Result 9201 states and 12916 transitions. [2022-02-01 00:10:32,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-01 00:10:32,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 197 [2022-02-01 00:10:32,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:10:32,451 INFO L225 Difference]: With dead ends: 9201 [2022-02-01 00:10:32,451 INFO L226 Difference]: Without dead ends: 5867 [2022-02-01 00:10:32,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-02-01 00:10:32,457 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 274 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 77 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:10:32,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 1363 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1575 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-02-01 00:10:32,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5867 states. [2022-02-01 00:10:33,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5867 to 4769. [2022-02-01 00:10:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4769 states, 4764 states have (on average 1.4093198992443325) internal successors, (6714), 4764 states have internal predecessors, (6714), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4769 states to 4769 states and 6718 transitions. [2022-02-01 00:10:33,014 INFO L78 Accepts]: Start accepts. Automaton has 4769 states and 6718 transitions. Word has length 197 [2022-02-01 00:10:33,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:10:33,015 INFO L470 AbstractCegarLoop]: Abstraction has 4769 states and 6718 transitions. [2022-02-01 00:10:33,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 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) [2022-02-01 00:10:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 4769 states and 6718 transitions. [2022-02-01 00:10:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-02-01 00:10:33,019 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:10:33,019 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:10:33,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-01 00:10:33,019 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:10:33,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:10:33,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1046589162, now seen corresponding path program 1 times [2022-02-01 00:10:33,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:10:33,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68619596] [2022-02-01 00:10:33,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:10:33,066 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:10:33,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:10:33,076 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:10:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:10:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:10:33,648 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:10:33,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68619596] [2022-02-01 00:10:33,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [68619596] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:10:33,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:10:33,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-01 00:10:33,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371340426] [2022-02-01 00:10:33,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:10:33,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-01 00:10:33,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:10:33,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-01 00:10:33,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-01 00:10:33,650 INFO L87 Difference]: Start difference. First operand 4769 states and 6718 transitions. Second operand has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:35,663 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 [] [2022-02-01 00:10:38,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:10:38,322 INFO L93 Difference]: Finished difference Result 11160 states and 15693 transitions. [2022-02-01 00:10:38,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-01 00:10:38,323 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 197 [2022-02-01 00:10:38,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:10:38,332 INFO L225 Difference]: With dead ends: 11160 [2022-02-01 00:10:38,332 INFO L226 Difference]: Without dead ends: 6417 [2022-02-01 00:10:38,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-02-01 00:10:38,344 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 348 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 94 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:10:38,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 1944 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2153 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-02-01 00:10:38,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6417 states. [2022-02-01 00:10:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6417 to 4905. [2022-02-01 00:10:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4905 states, 4900 states have (on average 1.4142857142857144) internal successors, (6930), 4900 states have internal predecessors, (6930), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 6934 transitions. [2022-02-01 00:10:39,046 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 6934 transitions. Word has length 197 [2022-02-01 00:10:39,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:10:39,046 INFO L470 AbstractCegarLoop]: Abstraction has 4905 states and 6934 transitions. [2022-02-01 00:10:39,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 6934 transitions. [2022-02-01 00:10:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-02-01 00:10:39,050 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:10:39,050 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:10:39,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-01 00:10:39,051 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:10:39,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:10:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash -315321121, now seen corresponding path program 1 times [2022-02-01 00:10:39,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:10:39,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068237584] [2022-02-01 00:10:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:10:39,124 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:10:39,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:10:39,134 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:10:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:10:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:10:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:10:40,134 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:10:40,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068237584] [2022-02-01 00:10:40,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1068237584] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:10:40,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:10:40,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-01 00:10:40,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984427384] [2022-02-01 00:10:40,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:10:40,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-01 00:10:40,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:10:40,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-01 00:10:40,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-02-01 00:10:40,136 INFO L87 Difference]: Start difference. First operand 4905 states and 6934 transitions. Second operand has 12 states, 11 states have (on average 14.545454545454545) internal successors, (160), 10 states have internal predecessors, (160), 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) [2022-02-01 00:10:41,475 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 [] [2022-02-01 00:10:43,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:45,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:48,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:50,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-01 00:10:52,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:10:52,877 INFO L93 Difference]: Finished difference Result 11192 states and 15785 transitions. [2022-02-01 00:10:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-01 00:10:52,878 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.545454545454545) internal successors, (160), 10 states have internal predecessors, (160), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 200 [2022-02-01 00:10:52,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:10:52,889 INFO L225 Difference]: With dead ends: 11192 [2022-02-01 00:10:52,889 INFO L226 Difference]: Without dead ends: 6313 [2022-02-01 00:10:52,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-02-01 00:10:52,897 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 248 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 54 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:10:52,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 1534 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1459 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2022-02-01 00:10:52,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6313 states. [2022-02-01 00:10:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6313 to 6058. [2022-02-01 00:10:53,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6058 states, 6053 states have (on average 1.411366264662151) internal successors, (8543), 6053 states have internal predecessors, (8543), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-01 00:10:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 8547 transitions. [2022-02-01 00:10:53,698 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 8547 transitions. Word has length 200 [2022-02-01 00:10:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:10:53,698 INFO L470 AbstractCegarLoop]: Abstraction has 6058 states and 8547 transitions. [2022-02-01 00:10:53,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.545454545454545) internal successors, (160), 10 states have internal predecessors, (160), 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) [2022-02-01 00:10:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 8547 transitions. [2022-02-01 00:10:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-02-01 00:10:53,704 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:10:53,704 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:10:53,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-01 00:10:53,706 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:10:53,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:10:53,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1269261279, now seen corresponding path program 1 times [2022-02-01 00:10:53,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:10:53,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239751567] [2022-02-01 00:10:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:10:53,795 INFO L92 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Could not compute Simultaneous Update! [2022-02-01 00:10:53,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:10:53,819 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:10:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:10:54,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:10:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:10:54,541 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:10:54,541 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:10:54,544 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:10:54,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-01 00:10:54,547 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:10:54,550 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:10:54,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:10:54 BoogieIcfgContainer [2022-02-01 00:10:54,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:10:54,597 INFO L158 Benchmark]: Toolchain (without parser) took 324973.42ms. Allocated memory was 172.0MB in the beginning and 746.6MB in the end (delta: 574.6MB). Free memory was 119.8MB in the beginning and 484.0MB in the end (delta: -364.2MB). Peak memory consumption was 211.9MB. Max. memory is 8.0GB. [2022-02-01 00:10:54,597 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:10:54,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.92ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 128.2MB in the end (delta: -8.6MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2022-02-01 00:10:54,597 INFO L158 Benchmark]: Boogie Preprocessor took 92.04ms. Allocated memory is still 172.0MB. Free memory was 128.2MB in the beginning and 120.5MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-01 00:10:54,597 INFO L158 Benchmark]: RCFGBuilder took 2005.14ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 120.5MB in the beginning and 133.0MB in the end (delta: -12.5MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2022-02-01 00:10:54,598 INFO L158 Benchmark]: TraceAbstraction took 322396.62ms. Allocated memory was 206.6MB in the beginning and 746.6MB in the end (delta: 540.0MB). Free memory was 132.5MB in the beginning and 484.0MB in the end (delta: -351.5MB). Peak memory consumption was 188.5MB. Max. memory is 8.0GB. [2022-02-01 00:10:54,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 475.92ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 128.2MB in the end (delta: -8.6MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.04ms. Allocated memory is still 172.0MB. Free memory was 128.2MB in the beginning and 120.5MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2005.14ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 120.5MB in the beginning and 133.0MB in the end (delta: -12.5MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * TraceAbstraction took 322396.62ms. Allocated memory was 206.6MB in the beginning and 746.6MB in the end (delta: 540.0MB). Free memory was 132.5MB in the beginning and 484.0MB in the end (delta: -351.5MB). Peak memory consumption was 188.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1770]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1153. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] s->state = 8464 [L1138] blastFlag = 0 [L1139] s->hit=__VERIFIER_nondet_int () [L1140] s->state = 8464 [L1141] tmp = __VERIFIER_nondet_int() [L1142] Time = tmp [L1143] cb = (void (*)())((void *)0) [L1144] ret = -1 [L1145] skip = 0 [L1146] got_new_session = 0 [L1147] EXPR s->info_callback [L1147] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1148] EXPR s->info_callback [L1148] cb = s->info_callback [L1152] EXPR s->in_handshake [L1152] s->in_handshake += 1 [L1153] COND FALSE !(tmp___1 & 12288) [L1162] EXPR s->cert [L1162] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND TRUE s->state == 8464 [L1355] s->shutdown = 0 [L1356] ret = __VERIFIER_nondet_int() [L1357] COND TRUE blastFlag == 0 [L1358] blastFlag = 1 [L1362] COND FALSE !(ret <= 0) [L1367] got_new_session = 1 [L1368] s->state = 8496 [L1369] s->init_num = 0 [L1729] EXPR s->s3 [L1729] EXPR (s->s3)->tmp.reuse_message [L1729] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1758] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND TRUE s->state == 8496 [L1373] ret = __VERIFIER_nondet_int() [L1374] COND TRUE blastFlag == 1 [L1375] blastFlag = 2 [L1379] COND FALSE !(ret <= 0) [L1384] s->hit [L1384] COND TRUE s->hit [L1385] s->state = 8656 [L1389] s->init_num = 0 [L1729] EXPR s->s3 [L1729] EXPR (s->s3)->tmp.reuse_message [L1729] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1758] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND FALSE !(s->state == 8448) [L1237] EXPR s->state [L1237] COND FALSE !(s->state == 8576) [L1240] EXPR s->state [L1240] COND FALSE !(s->state == 8577) [L1243] EXPR s->state [L1243] COND FALSE !(s->state == 8592) [L1246] EXPR s->state [L1246] COND FALSE !(s->state == 8593) [L1249] EXPR s->state [L1249] COND FALSE !(s->state == 8608) [L1252] EXPR s->state [L1252] COND FALSE !(s->state == 8609) [L1255] EXPR s->state [L1255] COND FALSE !(s->state == 8640) [L1258] EXPR s->state [L1258] COND FALSE !(s->state == 8641) [L1261] EXPR s->state [L1261] COND TRUE s->state == 8656 [L1622] EXPR s->session [L1622] EXPR s->s3 [L1622] EXPR (s->s3)->tmp.new_cipher [L1622] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1623] COND FALSE !(! tmp___9) [L1629] ret = __VERIFIER_nondet_int() [L1630] COND FALSE !(blastFlag == 10) [L1635] COND FALSE !(ret <= 0) [L1640] s->state = 8672 [L1641] s->init_num = 0 [L1642] COND FALSE !(! tmp___10) [L1729] EXPR s->s3 [L1729] EXPR (s->s3)->tmp.reuse_message [L1729] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1758] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND FALSE !(s->state == 8448) [L1237] EXPR s->state [L1237] COND FALSE !(s->state == 8576) [L1240] EXPR s->state [L1240] COND FALSE !(s->state == 8577) [L1243] EXPR s->state [L1243] COND FALSE !(s->state == 8592) [L1246] EXPR s->state [L1246] COND FALSE !(s->state == 8593) [L1249] EXPR s->state [L1249] COND FALSE !(s->state == 8608) [L1252] EXPR s->state [L1252] COND FALSE !(s->state == 8609) [L1255] EXPR s->state [L1255] COND FALSE !(s->state == 8640) [L1258] EXPR s->state [L1258] COND FALSE !(s->state == 8641) [L1261] EXPR s->state [L1261] COND FALSE !(s->state == 8656) [L1264] EXPR s->state [L1264] COND FALSE !(s->state == 8657) [L1267] EXPR s->state [L1267] COND TRUE s->state == 8672 [L1651] ret = __VERIFIER_nondet_int() [L1652] COND FALSE !(blastFlag == 11) [L1657] COND FALSE !(ret <= 0) [L1662] s->state = 8448 [L1663] s->hit [L1663] COND TRUE s->hit [L1664] EXPR s->s3 [L1664] (s->s3)->tmp.next_state = 8640 [L1668] s->init_num = 0 [L1729] EXPR s->s3 [L1729] EXPR (s->s3)->tmp.reuse_message [L1729] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1758] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND TRUE s->state == 8448 [L1522] COND FALSE !(num1 > 0L) [L1535] EXPR s->s3 [L1535] EXPR (s->s3)->tmp.next_state [L1535] s->state = (s->s3)->tmp.next_state [L1729] EXPR s->s3 [L1729] EXPR (s->s3)->tmp.reuse_message [L1729] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1758] skip = 0 [L1168] COND TRUE 1 [L1170] EXPR s->state [L1170] state = s->state [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 12292) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 16384) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 8192) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 24576) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 8195) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 8480) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 8481) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 8482) [L1195] EXPR s->state [L1195] COND FALSE !(s->state == 8464) [L1198] EXPR s->state [L1198] COND FALSE !(s->state == 8465) [L1201] EXPR s->state [L1201] COND FALSE !(s->state == 8466) [L1204] EXPR s->state [L1204] COND FALSE !(s->state == 8496) [L1207] EXPR s->state [L1207] COND FALSE !(s->state == 8497) [L1210] EXPR s->state [L1210] COND FALSE !(s->state == 8512) [L1213] EXPR s->state [L1213] COND FALSE !(s->state == 8513) [L1216] EXPR s->state [L1216] COND FALSE !(s->state == 8528) [L1219] EXPR s->state [L1219] COND FALSE !(s->state == 8529) [L1222] EXPR s->state [L1222] COND FALSE !(s->state == 8544) [L1225] EXPR s->state [L1225] COND FALSE !(s->state == 8545) [L1228] EXPR s->state [L1228] COND FALSE !(s->state == 8560) [L1231] EXPR s->state [L1231] COND FALSE !(s->state == 8561) [L1234] EXPR s->state [L1234] COND FALSE !(s->state == 8448) [L1237] EXPR s->state [L1237] COND FALSE !(s->state == 8576) [L1240] EXPR s->state [L1240] COND FALSE !(s->state == 8577) [L1243] EXPR s->state [L1243] COND FALSE !(s->state == 8592) [L1246] EXPR s->state [L1246] COND FALSE !(s->state == 8593) [L1249] EXPR s->state [L1249] COND FALSE !(s->state == 8608) [L1252] EXPR s->state [L1252] COND FALSE !(s->state == 8609) [L1255] EXPR s->state [L1255] COND TRUE s->state == 8640 [L1602] ret = __VERIFIER_nondet_int() [L1603] COND FALSE !(blastFlag == 9) [L1770] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 191 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 322.3s, OverallIterations: 50, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 305.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 74 mSolverCounterUnknown, 5290 SdHoareTripleChecker+Valid, 297.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5290 mSDsluCounter, 27731 SdHoareTripleChecker+Invalid, 289.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18805 mSDsCounter, 1757 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27607 IncrementalHoareTripleChecker+Invalid, 29438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1757 mSolverCounterUnsat, 8926 mSDtfsCounter, 27607 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6058occurred in iteration=49, InterpolantAutomatonStates: 272, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 49 MinimizatonAttempts, 6534 StatesRemovedByMinimization, 47 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-01 00:10:54,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...