/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_clnt.blast.02.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 04:38:58,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:38:58,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:38:58,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 04:38:58,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 04:38:58,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 04:38:58,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 04:38:58,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 04:38:58,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 04:38:58,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 04:38:58,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 04:38:58,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 04:38:58,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:38:58,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:38:58,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:38:58,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:38:58,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:38:58,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:38:58,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:38:58,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:38:58,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:38:58,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:38:58,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:38:58,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:38:58,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 04:38:58,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:38:58,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:38:58,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:38:58,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 04:38:58,450 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:38:58,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:38:58,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:38:58,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:38:58,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:38:58,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:38:58,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:38:58,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:38:58,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:38:58,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:38:58,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:38:58,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:38:58,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:38:58,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:38:58,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:38:58,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:38:58,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:38:58,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:38:58,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:38:58,454 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:38:58,454 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:38:58,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:38:58,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:38:58,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:38:58,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:38:58,671 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:38:58,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-1.c [2022-02-15 04:38:58,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57546fb49/5764dd0f2540421dad2f1eb489135049/FLAGd16aa70c0 [2022-02-15 04:38:59,219 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:38:59,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.02.i.cil-1.c [2022-02-15 04:38:59,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57546fb49/5764dd0f2540421dad2f1eb489135049/FLAGd16aa70c0 [2022-02-15 04:38:59,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57546fb49/5764dd0f2540421dad2f1eb489135049 [2022-02-15 04:38:59,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:38:59,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:38:59,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:38:59,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:38:59,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:38:59,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:38:59" (1/1) ... [2022-02-15 04:38:59,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149db243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:38:59, skipping insertion in model container [2022-02-15 04:38:59,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:38:59" (1/1) ... [2022-02-15 04:38:59,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:38:59,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:39:00,136 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_clnt.blast.02.i.cil-1.c[65397,65410] [2022-02-15 04:39:00,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:39:00,153 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:39:00,275 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_clnt.blast.02.i.cil-1.c[65397,65410] [2022-02-15 04:39:00,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:39:00,289 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:39:00,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00 WrapperNode [2022-02-15 04:39:00,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:39:00,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:39:00,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:39:00,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:39:00,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:39:00,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:39:00,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:39:00,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:39:00,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (1/1) ... [2022-02-15 04:39:00,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:39:00,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:39:00,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 04:39:00,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 04:39:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:39:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:39:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:39:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-02-15 04:39:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-02-15 04:39:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:39:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-02-15 04:39:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-02-15 04:39:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-15 04:39:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-02-15 04:39:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:39:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:39:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:39:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:39:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 04:39:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-15 04:39:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-15 04:39:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-15 04:39:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-02-15 04:39:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-02-15 04:39:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-02-15 04:39:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-02-15 04:39:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-02-15 04:39:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-02-15 04:39:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-02-15 04:39:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-15 04:39:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-02-15 04:39:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:39:00,669 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:39:00,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:39:02,974 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-15 04:39:03,262 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-02-15 04:39:03,262 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-02-15 04:39:03,272 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:39:03,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:39:03,279 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 04:39:03,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:39:03 BoogieIcfgContainer [2022-02-15 04:39:03,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:39:03,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:39:03,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:39:03,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:39:03,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:38:59" (1/3) ... [2022-02-15 04:39:03,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8f84f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:39:03, skipping insertion in model container [2022-02-15 04:39:03,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:39:00" (2/3) ... [2022-02-15 04:39:03,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8f84f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:39:03, skipping insertion in model container [2022-02-15 04:39:03,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:39:03" (3/3) ... [2022-02-15 04:39:03,287 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.02.i.cil-1.c [2022-02-15 04:39:03,291 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:39:03,292 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:39:03,327 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:39:03,332 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=QVASR [2022-02-15 04:39:03,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:39:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-15 04:39:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-15 04:39:03,351 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:03,352 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] [2022-02-15 04:39:03,352 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:03,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash -22644822, now seen corresponding path program 1 times [2022-02-15 04:39:03,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:03,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982693652] [2022-02-15 04:39:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:39:03,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:39:03,414 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:39:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:39:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:39:03,906 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:39:03,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982693652] [2022-02-15 04:39:03,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1982693652] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:39:03,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:39:03,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:39:03,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963575663] [2022-02-15 04:39:03,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:39:03,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:39:03,914 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:39:03,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:39:03,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:39:03,941 INFO L87 Difference]: Start difference. First operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 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 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:05,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:39:06,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:39:06,485 INFO L93 Difference]: Finished difference Result 267 states and 442 transitions. [2022-02-15 04:39:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:39:06,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-15 04:39:06,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:39:06,499 INFO L225 Difference]: With dead ends: 267 [2022-02-15 04:39:06,499 INFO L226 Difference]: Without dead ends: 122 [2022-02-15 04:39:06,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:39:06,511 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-02-15 04:39:06,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-02-15 04:39:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-02-15 04:39:06,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-02-15 04:39:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-02-15 04:39:06,558 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-02-15 04:39:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:39:06,558 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-02-15 04:39:06,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-02-15 04:39:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-15 04:39:06,562 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:06,562 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:39:06,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:39:06,563 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:06,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:06,563 INFO L85 PathProgramCache]: Analyzing trace with hash 868047042, now seen corresponding path program 1 times [2022-02-15 04:39:06,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:06,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861198427] [2022-02-15 04:39:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:39:06,588 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:39:06,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:39:06,592 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:39:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:39:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:39:06,844 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:39:06,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861198427] [2022-02-15 04:39:06,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [861198427] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:39:06,844 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:39:06,844 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:39:06,844 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595199085] [2022-02-15 04:39:06,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:39:06,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:39:06,846 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:39:06,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:39:06,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:39:06,847 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:08,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:39:09,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:39:09,169 INFO L93 Difference]: Finished difference Result 326 states and 488 transitions. [2022-02-15 04:39:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:39:09,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-02-15 04:39:09,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:39:09,180 INFO L225 Difference]: With dead ends: 326 [2022-02-15 04:39:09,180 INFO L226 Difference]: Without dead ends: 221 [2022-02-15 04:39:09,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:39:09,183 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 123 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:39:09,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 320 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 04:39:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-02-15 04:39:09,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2022-02-15 04:39:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 216 states have internal predecessors, (321), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2022-02-15 04:39:09,199 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 44 [2022-02-15 04:39:09,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:39:09,200 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2022-02-15 04:39:09,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2022-02-15 04:39:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-15 04:39:09,201 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:09,201 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:39:09,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:39:09,202 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:09,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:09,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1147706284, now seen corresponding path program 1 times [2022-02-15 04:39:09,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:09,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257250188] [2022-02-15 04:39:09,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:39:09,216 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:39:09,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:39:09,219 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:39:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:39:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:39:09,407 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:39:09,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257250188] [2022-02-15 04:39:09,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1257250188] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:39:09,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:39:09,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:39:09,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893862744] [2022-02-15 04:39:09,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:39:09,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:39:09,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:39:09,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:39:09,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:39:09,408 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:11,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:39:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:39:11,805 INFO L93 Difference]: Finished difference Result 608 states and 905 transitions. [2022-02-15 04:39:11,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:39:11,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-02-15 04:39:11,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:39:11,807 INFO L225 Difference]: With dead ends: 608 [2022-02-15 04:39:11,807 INFO L226 Difference]: Without dead ends: 403 [2022-02-15 04:39:11,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:39:11,808 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 106 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:39:11,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 279 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:39:11,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-02-15 04:39:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 269. [2022-02-15 04:39:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 264 states have (on average 1.5340909090909092) internal successors, (405), 264 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 409 transitions. [2022-02-15 04:39:11,826 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 409 transitions. Word has length 59 [2022-02-15 04:39:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:39:11,827 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 409 transitions. [2022-02-15 04:39:11,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 409 transitions. [2022-02-15 04:39:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-15 04:39:11,828 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:11,828 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:39:11,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 04:39:11,828 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:11,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1214470671, now seen corresponding path program 1 times [2022-02-15 04:39:11,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:11,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748262917] [2022-02-15 04:39:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:39:11,840 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:39:11,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:39:11,844 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:39:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:39:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:39:12,029 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:39:12,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748262917] [2022-02-15 04:39:12,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1748262917] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:39:12,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:39:12,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:39:12,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410405810] [2022-02-15 04:39:12,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:39:12,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:39:12,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:39:12,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:39:12,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:39:12,030 INFO L87 Difference]: Start difference. First operand 269 states and 409 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:14,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:39:14,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:39:14,426 INFO L93 Difference]: Finished difference Result 434 states and 664 transitions. [2022-02-15 04:39:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:39:14,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-02-15 04:39:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:39:14,428 INFO L225 Difference]: With dead ends: 434 [2022-02-15 04:39:14,428 INFO L226 Difference]: Without dead ends: 305 [2022-02-15 04:39:14,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:39:14,429 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 33 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:39:14,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 484 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 359 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:39:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-15 04:39:14,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 287. [2022-02-15 04:39:14,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.5425531914893618) internal successors, (435), 282 states have internal predecessors, (435), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 439 transitions. [2022-02-15 04:39:14,455 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 439 transitions. Word has length 60 [2022-02-15 04:39:14,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:39:14,455 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 439 transitions. [2022-02-15 04:39:14,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 439 transitions. [2022-02-15 04:39:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-15 04:39:14,460 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:14,461 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-15 04:39:14,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 04:39:14,461 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:14,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:14,461 INFO L85 PathProgramCache]: Analyzing trace with hash -939829385, now seen corresponding path program 2 times [2022-02-15 04:39:14,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:14,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246667382] [2022-02-15 04:39:14,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:39:24,995 WARN L228 SmtUtils]: Spent 9.71s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 04:39:31,624 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:39:31,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:39:31,629 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:39:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:31,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:39:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:39:31,842 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:39:31,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246667382] [2022-02-15 04:39:31,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [246667382] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:39:31,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:39:31,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:39:31,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514821019] [2022-02-15 04:39:31,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:39:31,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:39:31,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:39:31,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:39:31,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:39:31,844 INFO L87 Difference]: Start difference. First operand 287 states and 439 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:33,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:39:34,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:39:34,211 INFO L93 Difference]: Finished difference Result 451 states and 692 transitions. [2022-02-15 04:39:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:39:34,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-02-15 04:39:34,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:39:34,213 INFO L225 Difference]: With dead ends: 451 [2022-02-15 04:39:34,213 INFO L226 Difference]: Without dead ends: 304 [2022-02-15 04:39:34,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:39:34,214 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 39 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:39:34,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 484 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 04:39:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-02-15 04:39:34,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 287. [2022-02-15 04:39:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.5390070921985815) internal successors, (434), 282 states have internal predecessors, (434), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 438 transitions. [2022-02-15 04:39:34,224 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 438 transitions. Word has length 74 [2022-02-15 04:39:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:39:34,224 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 438 transitions. [2022-02-15 04:39:34,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 438 transitions. [2022-02-15 04:39:34,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-02-15 04:39:34,225 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:34,225 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:39:34,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 04:39:34,225 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:34,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash -958484843, now seen corresponding path program 1 times [2022-02-15 04:39:34,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:34,226 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459838732] [2022-02-15 04:39:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:39:47,327 WARN L228 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 04:39:54,523 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:39:54,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:39:54,528 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:39:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:39:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:39:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:39:54,700 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:39:54,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459838732] [2022-02-15 04:39:54,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1459838732] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:39:54,701 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:39:54,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:39:54,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955700052] [2022-02-15 04:39:54,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:39:54,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:39:54,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:39:54,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:39:54,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:39:54,702 INFO L87 Difference]: Start difference. First operand 287 states and 438 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:56,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:39:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:39:57,057 INFO L93 Difference]: Finished difference Result 451 states and 690 transitions. [2022-02-15 04:39:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:39:57,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-02-15 04:39:57,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:39:57,058 INFO L225 Difference]: With dead ends: 451 [2022-02-15 04:39:57,058 INFO L226 Difference]: Without dead ends: 304 [2022-02-15 04:39:57,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:39:57,059 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 37 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-15 04:39:57,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 482 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-02-15 04:39:57,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-02-15 04:39:57,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 287. [2022-02-15 04:39:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.5354609929078014) internal successors, (433), 282 states have internal predecessors, (433), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 437 transitions. [2022-02-15 04:39:57,068 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 437 transitions. Word has length 74 [2022-02-15 04:39:57,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:39:57,069 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 437 transitions. [2022-02-15 04:39:57,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:39:57,069 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 437 transitions. [2022-02-15 04:39:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-15 04:39:57,070 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:39:57,070 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-02-15 04:39:57,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 04:39:57,070 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:39:57,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:39:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2116468206, now seen corresponding path program 1 times [2022-02-15 04:39:57,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:39:57,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748936241] [2022-02-15 04:39:57,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:40:06,789 WARN L228 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 04:40:19,741 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:40:19,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:40:19,746 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:40:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:40:19,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:40:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:40:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:40:19,898 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:40:19,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748936241] [2022-02-15 04:40:19,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1748936241] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:40:19,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:40:19,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:40:19,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034970551] [2022-02-15 04:40:19,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:40:19,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:40:19,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:40:19,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:40:19,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:40:19,900 INFO L87 Difference]: Start difference. First operand 287 states and 437 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:40:21,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:40:22,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:40:22,284 INFO L93 Difference]: Finished difference Result 451 states and 688 transitions. [2022-02-15 04:40:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:40:22,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-02-15 04:40:22,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:40:22,285 INFO L225 Difference]: With dead ends: 451 [2022-02-15 04:40:22,285 INFO L226 Difference]: Without dead ends: 304 [2022-02-15 04:40:22,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:40:22,286 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 35 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:40:22,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 480 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:40:22,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-02-15 04:40:22,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 287. [2022-02-15 04:40:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.5319148936170213) internal successors, (432), 282 states have internal predecessors, (432), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:40:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 436 transitions. [2022-02-15 04:40:22,330 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 436 transitions. Word has length 75 [2022-02-15 04:40:22,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:40:22,330 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 436 transitions. [2022-02-15 04:40:22,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:40:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 436 transitions. [2022-02-15 04:40:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-15 04:40:22,331 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:40:22,331 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:40:22,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 04:40:22,331 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:40:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:40:22,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1900214406, now seen corresponding path program 1 times [2022-02-15 04:40:22,331 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:40:22,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545617808] [2022-02-15 04:40:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:40:38,571 WARN L228 SmtUtils]: Spent 11.06s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 04:40:45,624 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:40:45,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:40:45,629 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:40:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:40:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:40:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:40:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:40:45,775 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:40:45,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545617808] [2022-02-15 04:40:45,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1545617808] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:40:45,775 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:40:45,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:40:45,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570875330] [2022-02-15 04:40:45,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:40:45,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:40:45,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:40:45,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:40:45,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:40:45,779 INFO L87 Difference]: Start difference. First operand 287 states and 436 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:40:47,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:40:48,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:40:48,200 INFO L93 Difference]: Finished difference Result 740 states and 1127 transitions. [2022-02-15 04:40:48,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:40:48,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-02-15 04:40:48,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:40:48,204 INFO L225 Difference]: With dead ends: 740 [2022-02-15 04:40:48,204 INFO L226 Difference]: Without dead ends: 469 [2022-02-15 04:40:48,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:40:48,205 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 117 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:40:48,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:40:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-02-15 04:40:48,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 315. [2022-02-15 04:40:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 310 states have (on average 1.5258064516129033) internal successors, (473), 310 states have internal predecessors, (473), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:40:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 477 transitions. [2022-02-15 04:40:48,220 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 477 transitions. Word has length 76 [2022-02-15 04:40:48,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:40:48,220 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 477 transitions. [2022-02-15 04:40:48,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:40:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 477 transitions. [2022-02-15 04:40:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 04:40:48,223 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:40:48,223 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:40:48,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 04:40:48,224 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:40:48,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:40:48,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2032281513, now seen corresponding path program 1 times [2022-02-15 04:40:48,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:40:48,224 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277009544] [2022-02-15 04:40:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:41:02,189 WARN L228 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-15 04:41:09,214 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:41:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:41:09,220 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:41:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:41:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:41:09,406 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:41:09,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277009544] [2022-02-15 04:41:09,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [277009544] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:41:09,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:41:09,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 04:41:09,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135460180] [2022-02-15 04:41:09,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:41:09,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 04:41:09,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:41:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 04:41:09,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:41:09,408 INFO L87 Difference]: Start difference. First operand 315 states and 477 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:11,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:41:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:41:11,830 INFO L93 Difference]: Finished difference Result 768 states and 1163 transitions. [2022-02-15 04:41:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:41:11,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have 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 [2022-02-15 04:41:11,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:41:11,832 INFO L225 Difference]: With dead ends: 768 [2022-02-15 04:41:11,832 INFO L226 Difference]: Without dead ends: 469 [2022-02-15 04:41:11,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 04:41:11,833 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 115 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:41:11,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:41:11,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-02-15 04:41:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 317. [2022-02-15 04:41:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 312 states have (on average 1.5128205128205128) internal successors, (472), 312 states have internal predecessors, (472), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 476 transitions. [2022-02-15 04:41:11,845 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 476 transitions. Word has length 77 [2022-02-15 04:41:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:41:11,846 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 476 transitions. [2022-02-15 04:41:11,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 476 transitions. [2022-02-15 04:41:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 04:41:11,847 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:41:11,847 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:41:11,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 04:41:11,847 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:41:11,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:41:11,847 INFO L85 PathProgramCache]: Analyzing trace with hash -572776206, now seen corresponding path program 1 times [2022-02-15 04:41:11,847 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:41:11,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332554571] [2022-02-15 04:41:11,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:41:11,860 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:41:11,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:41:11,866 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:41:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:41:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:41:12,001 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:41:12,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332554571] [2022-02-15 04:41:12,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1332554571] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:41:12,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:41:12,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:41:12,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808926447] [2022-02-15 04:41:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:41:12,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:41:12,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:41:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:41:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:41:12,002 INFO L87 Difference]: Start difference. First operand 317 states and 476 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:14,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:41:14,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:41:14,410 INFO L93 Difference]: Finished difference Result 638 states and 966 transitions. [2022-02-15 04:41:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:41:14,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 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 78 [2022-02-15 04:41:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:41:14,412 INFO L225 Difference]: With dead ends: 638 [2022-02-15 04:41:14,412 INFO L226 Difference]: Without dead ends: 476 [2022-02-15 04:41:14,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:41:14,413 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:41:14,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:41:14,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-02-15 04:41:14,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2022-02-15 04:41:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 471 states have (on average 1.5074309978768579) internal successors, (710), 471 states have internal predecessors, (710), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 714 transitions. [2022-02-15 04:41:14,431 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 714 transitions. Word has length 78 [2022-02-15 04:41:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:41:14,432 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 714 transitions. [2022-02-15 04:41:14,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 714 transitions. [2022-02-15 04:41:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-15 04:41:14,433 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:41:14,433 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:41:14,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 04:41:14,433 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:41:14,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:41:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1350451828, now seen corresponding path program 1 times [2022-02-15 04:41:14,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:41:14,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576221471] [2022-02-15 04:41:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:41:14,446 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:41:14,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:41:14,452 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:41:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:41:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:41:14,608 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:41:14,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576221471] [2022-02-15 04:41:14,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [576221471] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:41:14,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:41:14,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:41:14,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104953342] [2022-02-15 04:41:14,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:41:14,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:41:14,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:41:14,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:41:14,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:41:14,611 INFO L87 Difference]: Start difference. First operand 476 states and 714 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:16,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:41:16,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:41:16,873 INFO L93 Difference]: Finished difference Result 822 states and 1234 transitions. [2022-02-15 04:41:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:41:16,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-02-15 04:41:16,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:41:16,879 INFO L225 Difference]: With dead ends: 822 [2022-02-15 04:41:16,879 INFO L226 Difference]: Without dead ends: 501 [2022-02-15 04:41:16,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:41:16,884 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 16 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:41:16,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 358 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-02-15 04:41:16,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-02-15 04:41:16,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2022-02-15 04:41:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 496 states have (on average 1.497983870967742) internal successors, (743), 496 states have internal predecessors, (743), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 747 transitions. [2022-02-15 04:41:16,902 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 747 transitions. Word has length 78 [2022-02-15 04:41:16,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:41:16,902 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 747 transitions. [2022-02-15 04:41:16,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 747 transitions. [2022-02-15 04:41:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-02-15 04:41:16,903 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:41:16,903 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:41:16,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 04:41:16,904 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:41:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:41:16,904 INFO L85 PathProgramCache]: Analyzing trace with hash 59220235, now seen corresponding path program 1 times [2022-02-15 04:41:16,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:41:16,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109652205] [2022-02-15 04:41:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:41:16,958 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:41:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:41:16,964 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:41:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:17,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:41:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:41:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:41:17,097 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:41:17,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109652205] [2022-02-15 04:41:17,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1109652205] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:41:17,098 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:41:17,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:41:17,098 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276079890] [2022-02-15 04:41:17,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:41:17,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:41:17,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:41:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:41:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:41:17,099 INFO L87 Difference]: Start difference. First operand 501 states and 747 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:19,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-02-15 04:41:19,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:41:19,506 INFO L93 Difference]: Finished difference Result 990 states and 1484 transitions. [2022-02-15 04:41:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 04:41:19,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-02-15 04:41:19,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:41:19,509 INFO L225 Difference]: With dead ends: 990 [2022-02-15 04:41:19,509 INFO L226 Difference]: Without dead ends: 644 [2022-02-15 04:41:19,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:41:19,510 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:41:19,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-02-15 04:41:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2022-02-15 04:41:19,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2022-02-15 04:41:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 639 states have (on average 1.4976525821596245) internal successors, (957), 639 states have internal predecessors, (957), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 961 transitions. [2022-02-15 04:41:19,529 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 961 transitions. Word has length 98 [2022-02-15 04:41:19,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:41:19,529 INFO L470 AbstractCegarLoop]: Abstraction has 644 states and 961 transitions. [2022-02-15 04:41:19,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-15 04:41:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 961 transitions. [2022-02-15 04:41:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-15 04:41:19,531 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:41:19,531 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:41:19,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 04:41:19,531 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:41:19,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:41:19,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2136926065, now seen corresponding path program 1 times [2022-02-15 04:41:19,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:41:19,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925113342] [2022-02-15 04:41:19,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:41:19,552 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Qvasr do not support arrays. [2022-02-15 04:41:19,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:41:19,560 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:41:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 04:41:20,850 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 04:41:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 04:41:21,092 INFO L138 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-15 04:41:21,092 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 04:41:21,096 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 04:41:21,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 04:41:21,099 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:41:21,101 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 04:41:21,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 04:41:21 BoogieIcfgContainer [2022-02-15 04:41:21,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 04:41:21,137 INFO L158 Benchmark]: Toolchain (without parser) took 141385.03ms. Allocated memory was 191.9MB in the beginning and 281.0MB in the end (delta: 89.1MB). Free memory was 139.9MB in the beginning and 147.9MB in the end (delta: -7.9MB). Peak memory consumption was 157.1MB. Max. memory is 8.0GB. [2022-02-15 04:41:21,138 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 04:41:21,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.99ms. Allocated memory was 191.9MB in the beginning and 233.8MB in the end (delta: 41.9MB). Free memory was 139.7MB in the beginning and 190.6MB in the end (delta: -50.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-02-15 04:41:21,138 INFO L158 Benchmark]: Boogie Preprocessor took 112.38ms. Allocated memory is still 233.8MB. Free memory was 190.6MB in the beginning and 183.5MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-15 04:41:21,142 INFO L158 Benchmark]: RCFGBuilder took 2877.61ms. Allocated memory is still 233.8MB. Free memory was 183.5MB in the beginning and 152.8MB in the end (delta: 30.7MB). Peak memory consumption was 40.4MB. Max. memory is 8.0GB. [2022-02-15 04:41:21,142 INFO L158 Benchmark]: TraceAbstraction took 137854.63ms. Allocated memory was 233.8MB in the beginning and 281.0MB in the end (delta: 47.2MB). Free memory was 152.3MB in the beginning and 147.9MB in the end (delta: 4.4MB). Peak memory consumption was 126.1MB. Max. memory is 8.0GB. [2022-02-15 04:41:21,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 536.99ms. Allocated memory was 191.9MB in the beginning and 233.8MB in the end (delta: 41.9MB). Free memory was 139.7MB in the beginning and 190.6MB in the end (delta: -50.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 112.38ms. Allocated memory is still 233.8MB. Free memory was 190.6MB in the beginning and 183.5MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2877.61ms. Allocated memory is still 233.8MB. Free memory was 183.5MB in the beginning and 152.8MB in the end (delta: 30.7MB). Peak memory consumption was 40.4MB. Max. memory is 8.0GB. * TraceAbstraction took 137854.63ms. Allocated memory was 233.8MB in the beginning and 281.0MB in the end (delta: 47.2MB). Free memory was 152.3MB in the beginning and 147.9MB in the end (delta: 4.4MB). Peak memory consumption was 126.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1665]: 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 1360. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_client_data ; [L1077] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1081] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1082] s->ctx = malloc(sizeof(SSL_CTX)) [L1083] s->session = malloc(sizeof(SSL_SESSION)) [L1084] s->state = 12292 [L1085] s->version = __VERIFIER_nondet_int() [L1087] s->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1088] EXPR s->ctx [L1088] (s->ctx)->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1089] s->init_buf = (BUF_MEM *)__VERIFIER_nondet_ulong() [L1090] s->bbio = (BIO *) __VERIFIER_nondet_ulong() [L1091] s->wbio = (BIO *) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->flags = __VERIFIER_nondet_long() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.cert_req = __VERIFIER_nondet_int() [L1094] EXPR s->s3 [L1094] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1096] EXPR s->s3 [L1096] (s->s3)->tmp.next_state = __VERIFIER_nondet_int() [L1098] CALL ssl3_connect(s) [L1104] BUF_MEM *buf ; [L1105] unsigned long tmp ; [L1106] unsigned long l ; [L1107] long num1 ; [L1108] void (*cb)() ; [L1109] int ret ; [L1110] int new_state ; [L1111] int state ; [L1112] int skip ; [L1113] int tmp___1 = __VERIFIER_nondet_int() ; [L1114] int tmp___2 = __VERIFIER_nondet_int() ; [L1115] int tmp___3 = __VERIFIER_nondet_int() ; [L1116] int tmp___4 = __VERIFIER_nondet_int() ; [L1117] int tmp___5 = __VERIFIER_nondet_int() ; [L1118] int tmp___6 = __VERIFIER_nondet_int() ; [L1119] int tmp___7 = __VERIFIER_nondet_int() ; [L1120] int tmp___8 = __VERIFIER_nondet_int() ; [L1121] long tmp___9 = __VERIFIER_nondet_long() ; [L1122] int blastFlag ; [L1125] blastFlag = 0 [L1126] s->hit=__VERIFIER_nondet_int () [L1127] s->state = 12292 [L1128] tmp = __VERIFIER_nondet_int() [L1129] cb = (void (*)())((void *)0) [L1130] ret = -1 [L1131] skip = 0 [L1132] EXPR s->info_callback [L1132] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1133] EXPR s->info_callback [L1133] cb = s->info_callback [L1141] EXPR s->in_handshake [L1141] s->in_handshake += 1 [L1142] COND FALSE !(tmp___1 & 12288) [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND TRUE s->state == 12292 [L1258] s->new_session = 1 [L1259] s->state = 4096 [L1260] EXPR s->ctx [L1260] EXPR (s->ctx)->stats.sess_connect_renegotiate [L1260] (s->ctx)->stats.sess_connect_renegotiate += 1 [L1265] s->server = 0 [L1266] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) [L1271] EXPR s->version [L1271] COND FALSE !((s->version & 65280) != 768) [L1277] s->type = 4096 [L1278] EXPR s->init_buf [L1278] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1296] COND FALSE !(! tmp___4) [L1302] COND FALSE !(! tmp___5) [L1308] s->state = 4368 [L1309] EXPR s->ctx [L1309] EXPR (s->ctx)->stats.sess_connect [L1309] (s->ctx)->stats.sess_connect += 1 [L1310] s->init_num = 0 [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND TRUE s->state == 4368 [L1314] s->shutdown = 0 [L1315] ret = __VERIFIER_nondet_int() [L1316] COND TRUE blastFlag == 0 [L1317] blastFlag = 1 [L1325] COND FALSE !(ret <= 0) [L1330] s->state = 4384 [L1331] s->init_num = 0 [L1332] EXPR s->bbio [L1332] EXPR s->wbio [L1332] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND TRUE s->state == 4384 [L1340] ret = __VERIFIER_nondet_int() [L1341] COND TRUE blastFlag == 1 [L1342] blastFlag = 2 [L1346] COND FALSE !(ret <= 0) [L1351] s->hit [L1351] COND FALSE !(s->hit) [L1354] s->state = 4400 [L1356] s->init_num = 0 [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 4384) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 4385) [L1182] EXPR s->state [L1182] COND TRUE s->state == 4400 [L1360] EXPR s->s3 [L1360] EXPR (s->s3)->tmp.new_cipher [L1360] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1360] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1363] ret = __VERIFIER_nondet_int() [L1364] COND TRUE blastFlag == 2 [L1365] blastFlag = 3 [L1369] COND FALSE !(ret <= 0) [L1375] s->state = 4416 [L1376] s->init_num = 0 [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 4384) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 4385) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 4400) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 4401) [L1188] EXPR s->state [L1188] COND TRUE s->state == 4416 [L1380] ret = __VERIFIER_nondet_int() [L1381] COND TRUE blastFlag == 3 [L1382] blastFlag = 4 [L1386] COND FALSE !(ret <= 0) [L1391] s->state = 4432 [L1392] s->init_num = 0 [L1393] COND FALSE !(! tmp___6) [L1624] EXPR s->s3 [L1624] EXPR (s->s3)->tmp.reuse_message [L1624] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1653] skip = 0 [L1152] COND TRUE 1 [L1154] EXPR s->state [L1154] state = s->state [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 12292) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 16384) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4096) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 20480) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4099) [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 4368) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 4369) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 4384) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 4385) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 4400) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 4401) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 4416) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 4417) [L1194] EXPR s->state [L1194] COND TRUE s->state == 4432 [L1402] ret = __VERIFIER_nondet_int() [L1403] COND TRUE blastFlag == 4 [L1665] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 137.8s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 878 SdHoareTripleChecker+Valid, 28.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 878 mSDsluCounter, 4951 SdHoareTripleChecker+Invalid, 27.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2666 mSDsCounter, 195 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3959 IncrementalHoareTripleChecker+Invalid, 4166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 195 mSolverCounterUnsat, 2285 mSDtfsCounter, 3959 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=644occurred in iteration=12, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 510 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-15 04:41:21,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...