/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 04:12:41,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 04:12:41,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 04:12:41,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 04:12:41,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 04:12:41,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 04:12:41,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 04:12:41,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 04:12:41,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 04:12:41,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 04:12:41,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 04:12:41,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 04:12:41,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 04:12:41,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 04:12:41,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 04:12:41,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 04:12:41,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 04:12:41,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 04:12:41,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 04:12:41,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 04:12:41,377 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 04:12:41,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 04:12:41,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 04:12:41,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 04:12:41,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 04:12:41,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-05 04:12:41,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-05 04:12:41,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-05 04:12:41,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-05 04:12:41,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-05 04:12:41,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-05 04:12:41,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-05 04:12:41,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-05 04:12:41,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-05 04:12:41,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 04:12:41,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 04:12:41,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 04:12:41,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 04:12:41,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 04:12:41,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 04:12:41,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 04:12:41,413 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 04:12:41,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 04:12:41,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 04:12:41,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 04:12:41,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 04:12:41,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 04:12:41,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 04:12:41,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:12:41,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 04:12:41,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 04:12:41,415 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 04:12:41,415 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 04:12:41,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 04:12:41,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 04:12:41,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 04:12:41,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 04:12:41,619 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 04:12:41,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c [2022-04-05 04:12:41,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ce4cbb3/926d09c4a17749cb97c598bb9c9ed89b/FLAGc7a174976 [2022-04-05 04:12:42,000 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 04:12:42,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_2.cil-2.c [2022-04-05 04:12:42,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ce4cbb3/926d09c4a17749cb97c598bb9c9ed89b/FLAGc7a174976 [2022-04-05 04:12:42,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9ce4cbb3/926d09c4a17749cb97c598bb9c9ed89b [2022-04-05 04:12:42,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 04:12:42,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 04:12:42,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 04:12:42,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 04:12:42,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 04:12:42,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f67a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42, skipping insertion in model container [2022-04-05 04:12:42,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 04:12:42,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 04:12:42,791 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-simplified/s3_clnt_2.cil-2.c[35827,35840] [2022-04-05 04:12:42,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:12:42,817 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 04:12:42,933 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-simplified/s3_clnt_2.cil-2.c[35827,35840] [2022-04-05 04:12:42,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:12:42,947 INFO L208 MainTranslator]: Completed translation [2022-04-05 04:12:42,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42 WrapperNode [2022-04-05 04:12:42,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 04:12:42,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 04:12:42,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 04:12:42,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 04:12:42,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 04:12:42,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 04:12:42,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 04:12:42,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 04:12:42,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:43,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:12:43,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:43,047 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) [2022-04-05 04:12:43,119 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 [2022-04-05 04:12:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 04:12:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 04:12:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 04:12:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-05 04:12:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 04:12:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 04:12:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 04:12:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 04:12:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 04:12:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 04:12:43,197 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 04:12:43,198 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 04:12:43,258 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 04:12:43,497 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-05 04:12:43,498 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-05 04:12:43,500 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 04:12:43,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 04:12:43,505 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 04:12:43,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:12:43 BoogieIcfgContainer [2022-04-05 04:12:43,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 04:12:43,507 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 04:12:43,507 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 04:12:43,508 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 04:12:43,510 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:12:43" (1/1) ... [2022-04-05 04:12:43,511 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 04:12:43,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:12:43 BasicIcfg [2022-04-05 04:12:43,533 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 04:12:43,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 04:12:43,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 04:12:43,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 04:12:43,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:12:42" (1/4) ... [2022-04-05 04:12:43,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2961a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:12:43, skipping insertion in model container [2022-04-05 04:12:43,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42" (2/4) ... [2022-04-05 04:12:43,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2961a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:12:43, skipping insertion in model container [2022-04-05 04:12:43,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:12:43" (3/4) ... [2022-04-05 04:12:43,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2961a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:12:43, skipping insertion in model container [2022-04-05 04:12:43,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:12:43" (4/4) ... [2022-04-05 04:12:43,538 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-2.cJordan [2022-04-05 04:12:43,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 04:12:43,542 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 04:12:43,571 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 04:12:43,580 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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 [2022-04-05 04:12:43,580 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 04:12:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 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) [2022-04-05 04:12:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-05 04:12:43,599 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:43,599 INFO L499 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] [2022-04-05 04:12:43,600 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:43,603 INFO L85 PathProgramCache]: Analyzing trace with hash 291212414, now seen corresponding path program 1 times [2022-04-05 04:12:43,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:43,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994643198] [2022-04-05 04:12:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:43,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:12:43,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:43,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994643198] [2022-04-05 04:12:43,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994643198] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:43,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:43,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913580773] [2022-04-05 04:12:43,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:43,866 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:43,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:43,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:43,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:43,915 INFO L87 Difference]: Start difference. First operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 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 4 states, 4 states have (on average 6.5) internal successors, (26), 3 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) [2022-04-05 04:12:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:44,184 INFO L93 Difference]: Finished difference Result 251 states and 411 transitions. [2022-04-05 04:12:44,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:44,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 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 [2022-04-05 04:12:44,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:44,203 INFO L225 Difference]: With dead ends: 251 [2022-04-05 04:12:44,203 INFO L226 Difference]: Without dead ends: 218 [2022-04-05 04:12:44,204 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:44,209 INFO L913 BasicCegarLoop]: 216 mSDtfsCounter, 576 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:44,211 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 225 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:44,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-04-05 04:12:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-04-05 04:12:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 213 states have (on average 1.4929577464788732) internal successors, (318), 213 states have internal predecessors, (318), 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) [2022-04-05 04:12:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 322 transitions. [2022-04-05 04:12:44,249 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 322 transitions. Word has length 30 [2022-04-05 04:12:44,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:44,249 INFO L478 AbstractCegarLoop]: Abstraction has 218 states and 322 transitions. [2022-04-05 04:12:44,249 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 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) [2022-04-05 04:12:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 322 transitions. [2022-04-05 04:12:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-05 04:12:44,251 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:44,251 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:44,251 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 04:12:44,252 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:44,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:44,252 INFO L85 PathProgramCache]: Analyzing trace with hash 654554040, now seen corresponding path program 1 times [2022-04-05 04:12:44,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:44,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982307373] [2022-04-05 04:12:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:44,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:12:44,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:44,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982307373] [2022-04-05 04:12:44,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982307373] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:44,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:44,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:44,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608402759] [2022-04-05 04:12:44,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:44,342 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:44,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:44,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:44,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:44,343 INFO L87 Difference]: Start difference. First operand 218 states and 322 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:44,539 INFO L93 Difference]: Finished difference Result 243 states and 355 transitions. [2022-04-05 04:12:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:44,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 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 [2022-04-05 04:12:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:44,543 INFO L225 Difference]: With dead ends: 243 [2022-04-05 04:12:44,543 INFO L226 Difference]: Without dead ends: 243 [2022-04-05 04:12:44,546 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:44,548 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:44,548 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-04-05 04:12:44,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2022-04-05 04:12:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 230 states have (on average 1.4782608695652173) internal successors, (340), 230 states have internal predecessors, (340), 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) [2022-04-05 04:12:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 344 transitions. [2022-04-05 04:12:44,567 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 344 transitions. Word has length 44 [2022-04-05 04:12:44,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:44,567 INFO L478 AbstractCegarLoop]: Abstraction has 235 states and 344 transitions. [2022-04-05 04:12:44,567 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 344 transitions. [2022-04-05 04:12:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-05 04:12:44,569 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:44,569 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:44,569 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 04:12:44,569 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:44,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:44,570 INFO L85 PathProgramCache]: Analyzing trace with hash -13184325, now seen corresponding path program 1 times [2022-04-05 04:12:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:44,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114273805] [2022-04-05 04:12:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-05 04:12:44,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:44,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114273805] [2022-04-05 04:12:44,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114273805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:44,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:44,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:44,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014740224] [2022-04-05 04:12:44,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:44,650 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:44,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:44,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:44,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:44,651 INFO L87 Difference]: Start difference. First operand 235 states and 344 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:44,796 INFO L93 Difference]: Finished difference Result 285 states and 407 transitions. [2022-04-05 04:12:44,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:44,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 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 61 [2022-04-05 04:12:44,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:44,798 INFO L225 Difference]: With dead ends: 285 [2022-04-05 04:12:44,798 INFO L226 Difference]: Without dead ends: 285 [2022-04-05 04:12:44,798 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:44,799 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 192 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:44,800 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 193 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:44,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-04-05 04:12:44,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 275. [2022-04-05 04:12:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 270 states have (on average 1.4444444444444444) internal successors, (390), 270 states have internal predecessors, (390), 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) [2022-04-05 04:12:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2022-04-05 04:12:44,809 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 61 [2022-04-05 04:12:44,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:44,809 INFO L478 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2022-04-05 04:12:44,809 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2022-04-05 04:12:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-05 04:12:44,811 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:44,811 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:44,811 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 04:12:44,812 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:44,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1257948806, now seen corresponding path program 1 times [2022-04-05 04:12:44,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:44,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320201950] [2022-04-05 04:12:44,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:44,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-05 04:12:44,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:44,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320201950] [2022-04-05 04:12:44,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320201950] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:44,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:44,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:44,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333554007] [2022-04-05 04:12:44,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:44,871 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:44,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:44,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:44,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:44,872 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,052 INFO L93 Difference]: Finished difference Result 375 states and 516 transitions. [2022-04-05 04:12:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:45,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 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 61 [2022-04-05 04:12:45,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,055 INFO L225 Difference]: With dead ends: 375 [2022-04-05 04:12:45,055 INFO L226 Difference]: Without dead ends: 373 [2022-04-05 04:12:45,056 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:45,063 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,064 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 205 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:45,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-04-05 04:12:45,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 355. [2022-04-05 04:12:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 350 states have (on average 1.3942857142857144) internal successors, (488), 350 states have internal predecessors, (488), 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) [2022-04-05 04:12:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 492 transitions. [2022-04-05 04:12:45,081 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 492 transitions. Word has length 61 [2022-04-05 04:12:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:45,081 INFO L478 AbstractCegarLoop]: Abstraction has 355 states and 492 transitions. [2022-04-05 04:12:45,081 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 492 transitions. [2022-04-05 04:12:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-04-05 04:12:45,087 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:45,087 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:45,087 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 04:12:45,088 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:45,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:45,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1806652013, now seen corresponding path program 1 times [2022-04-05 04:12:45,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:45,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409492542] [2022-04-05 04:12:45,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:45,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-05 04:12:45,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:45,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409492542] [2022-04-05 04:12:45,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409492542] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:45,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:45,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:45,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064007452] [2022-04-05 04:12:45,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:45,165 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:45,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:45,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:45,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:45,165 INFO L87 Difference]: Start difference. First operand 355 states and 492 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,315 INFO L93 Difference]: Finished difference Result 461 states and 660 transitions. [2022-04-05 04:12:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:45,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-05 04:12:45,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,321 INFO L225 Difference]: With dead ends: 461 [2022-04-05 04:12:45,321 INFO L226 Difference]: Without dead ends: 459 [2022-04-05 04:12:45,325 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:45,325 INFO L913 BasicCegarLoop]: 174 mSDtfsCounter, 295 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,327 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:45,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2022-04-05 04:12:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 433. [2022-04-05 04:12:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 428 states have (on average 1.4532710280373833) internal successors, (622), 428 states have internal predecessors, (622), 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) [2022-04-05 04:12:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 626 transitions. [2022-04-05 04:12:45,335 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 626 transitions. Word has length 74 [2022-04-05 04:12:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:45,336 INFO L478 AbstractCegarLoop]: Abstraction has 433 states and 626 transitions. [2022-04-05 04:12:45,336 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 626 transitions. [2022-04-05 04:12:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-05 04:12:45,337 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:45,338 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 04:12:45,338 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-05 04:12:45,338 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:45,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:45,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1033399768, now seen corresponding path program 1 times [2022-04-05 04:12:45,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:45,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075777777] [2022-04-05 04:12:45,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:45,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-05 04:12:45,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:45,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075777777] [2022-04-05 04:12:45,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075777777] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:45,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:45,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:45,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812494078] [2022-04-05 04:12:45,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:45,421 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:45,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:45,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:45,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:45,421 INFO L87 Difference]: Start difference. First operand 433 states and 626 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,582 INFO L93 Difference]: Finished difference Result 481 states and 685 transitions. [2022-04-05 04:12:45,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:45,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 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 [2022-04-05 04:12:45,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,585 INFO L225 Difference]: With dead ends: 481 [2022-04-05 04:12:45,585 INFO L226 Difference]: Without dead ends: 481 [2022-04-05 04:12:45,585 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:45,586 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,587 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:45,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-04-05 04:12:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 475. [2022-04-05 04:12:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 470 states have (on average 1.4340425531914893) internal successors, (674), 470 states have internal predecessors, (674), 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) [2022-04-05 04:12:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 678 transitions. [2022-04-05 04:12:45,596 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 678 transitions. Word has length 78 [2022-04-05 04:12:45,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:45,597 INFO L478 AbstractCegarLoop]: Abstraction has 475 states and 678 transitions. [2022-04-05 04:12:45,598 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 678 transitions. [2022-04-05 04:12:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-05 04:12:45,599 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:45,600 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2022-04-05 04:12:45,600 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-05 04:12:45,600 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:45,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash 690032158, now seen corresponding path program 1 times [2022-04-05 04:12:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:45,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372747358] [2022-04-05 04:12:45,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:45,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-04-05 04:12:45,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:45,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372747358] [2022-04-05 04:12:45,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372747358] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:45,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:45,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:45,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377731046] [2022-04-05 04:12:45,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:45,664 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:45,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:45,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:45,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:45,665 INFO L87 Difference]: Start difference. First operand 475 states and 678 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,809 INFO L93 Difference]: Finished difference Result 714 states and 1017 transitions. [2022-04-05 04:12:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:45,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 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 [2022-04-05 04:12:45,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,811 INFO L225 Difference]: With dead ends: 714 [2022-04-05 04:12:45,811 INFO L226 Difference]: Without dead ends: 714 [2022-04-05 04:12:45,811 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:45,812 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 296 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,812 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 323 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:45,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2022-04-05 04:12:45,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2022-04-05 04:12:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 709 states have (on average 1.4287729196050776) internal successors, (1013), 709 states have internal predecessors, (1013), 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) [2022-04-05 04:12:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1017 transitions. [2022-04-05 04:12:45,822 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1017 transitions. Word has length 98 [2022-04-05 04:12:45,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:45,822 INFO L478 AbstractCegarLoop]: Abstraction has 714 states and 1017 transitions. [2022-04-05 04:12:45,823 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1017 transitions. [2022-04-05 04:12:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-05 04:12:45,824 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:45,824 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2022-04-05 04:12:45,824 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-05 04:12:45,824 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:45,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:45,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1117815363, now seen corresponding path program 1 times [2022-04-05 04:12:45,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:45,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440588047] [2022-04-05 04:12:45,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:45,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 04:12:45,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:45,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440588047] [2022-04-05 04:12:45,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440588047] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:45,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:45,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:45,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084005609] [2022-04-05 04:12:45,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:45,852 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:45,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:45,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:45,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:45,853 INFO L87 Difference]: Start difference. First operand 714 states and 1017 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,988 INFO L93 Difference]: Finished difference Result 735 states and 1044 transitions. [2022-04-05 04:12:45,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:45,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-04-05 04:12:45,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,990 INFO L225 Difference]: With dead ends: 735 [2022-04-05 04:12:45,990 INFO L226 Difference]: Without dead ends: 735 [2022-04-05 04:12:45,990 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:45,991 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,991 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:45,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-04-05 04:12:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-04-05 04:12:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 730 states have (on average 1.4246575342465753) internal successors, (1040), 730 states have internal predecessors, (1040), 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) [2022-04-05 04:12:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-04-05 04:12:46,002 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-04-05 04:12:46,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,002 INFO L478 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-04-05 04:12:46,002 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-04-05 04:12:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-05 04:12:46,003 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,003 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2022-04-05 04:12:46,003 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-05 04:12:46,003 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,004 INFO L85 PathProgramCache]: Analyzing trace with hash 531892615, now seen corresponding path program 1 times [2022-04-05 04:12:46,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317245504] [2022-04-05 04:12:46,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-05 04:12:46,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317245504] [2022-04-05 04:12:46,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317245504] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:46,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406146457] [2022-04-05 04:12:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,048 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:46,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:46,049 INFO L87 Difference]: Start difference. First operand 735 states and 1044 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,183 INFO L93 Difference]: Finished difference Result 975 states and 1389 transitions. [2022-04-05 04:12:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:46,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-04-05 04:12:46,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,187 INFO L225 Difference]: With dead ends: 975 [2022-04-05 04:12:46,187 INFO L226 Difference]: Without dead ends: 975 [2022-04-05 04:12:46,187 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:46,189 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,189 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 171 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-04-05 04:12:46,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-04-05 04:12:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 970 states have (on average 1.4278350515463918) internal successors, (1385), 970 states have internal predecessors, (1385), 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) [2022-04-05 04:12:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-04-05 04:12:46,204 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-04-05 04:12:46,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,204 INFO L478 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-04-05 04:12:46,204 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-04-05 04:12:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-04-05 04:12:46,206 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,206 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:46,207 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-05 04:12:46,207 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1531499270, now seen corresponding path program 1 times [2022-04-05 04:12:46,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839560708] [2022-04-05 04:12:46,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-04-05 04:12:46,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839560708] [2022-04-05 04:12:46,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839560708] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:46,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34410241] [2022-04-05 04:12:46,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,254 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:46,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:46,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:46,255 INFO L87 Difference]: Start difference. First operand 975 states and 1389 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,428 INFO L93 Difference]: Finished difference Result 1179 states and 1685 transitions. [2022-04-05 04:12:46,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:46,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 169 [2022-04-05 04:12:46,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,431 INFO L225 Difference]: With dead ends: 1179 [2022-04-05 04:12:46,431 INFO L226 Difference]: Without dead ends: 1171 [2022-04-05 04:12:46,431 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:46,432 INFO L913 BasicCegarLoop]: 198 mSDtfsCounter, 237 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,433 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 205 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:46,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-04-05 04:12:46,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-04-05 04:12:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1126 states have (on average 1.4431616341030196) internal successors, (1625), 1126 states have internal predecessors, (1625), 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) [2022-04-05 04:12:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-04-05 04:12:46,447 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 169 [2022-04-05 04:12:46,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,448 INFO L478 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-04-05 04:12:46,448 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-04-05 04:12:46,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-04-05 04:12:46,450 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,450 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:46,451 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-05 04:12:46,451 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1426975046, now seen corresponding path program 1 times [2022-04-05 04:12:46,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677860134] [2022-04-05 04:12:46,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-04-05 04:12:46,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677860134] [2022-04-05 04:12:46,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677860134] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:46,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871554902] [2022-04-05 04:12:46,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,496 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:46,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:46,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:46,497 INFO L87 Difference]: Start difference. First operand 1131 states and 1629 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,645 INFO L93 Difference]: Finished difference Result 1237 states and 1755 transitions. [2022-04-05 04:12:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:46,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 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 205 [2022-04-05 04:12:46,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,649 INFO L225 Difference]: With dead ends: 1237 [2022-04-05 04:12:46,649 INFO L226 Difference]: Without dead ends: 1237 [2022-04-05 04:12:46,649 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:46,650 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,650 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:46,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-04-05 04:12:46,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-04-05 04:12:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1218 states have (on average 1.4261083743842364) internal successors, (1737), 1218 states have internal predecessors, (1737), 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) [2022-04-05 04:12:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-04-05 04:12:46,667 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 205 [2022-04-05 04:12:46,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,668 INFO L478 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-04-05 04:12:46,668 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-04-05 04:12:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-04-05 04:12:46,670 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,670 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:46,671 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-05 04:12:46,671 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1195422498, now seen corresponding path program 1 times [2022-04-05 04:12:46,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055673527] [2022-04-05 04:12:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-04-05 04:12:46,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055673527] [2022-04-05 04:12:46,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055673527] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:46,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219508144] [2022-04-05 04:12:46,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,723 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:46,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:46,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:46,724 INFO L87 Difference]: Start difference. First operand 1223 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,879 INFO L93 Difference]: Finished difference Result 1335 states and 1877 transitions. [2022-04-05 04:12:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:46,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 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 226 [2022-04-05 04:12:46,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,883 INFO L225 Difference]: With dead ends: 1335 [2022-04-05 04:12:46,883 INFO L226 Difference]: Without dead ends: 1335 [2022-04-05 04:12:46,884 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:46,884 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,885 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-04-05 04:12:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-04-05 04:12:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1318 states have (on average 1.4089529590288317) internal successors, (1857), 1318 states have internal predecessors, (1857), 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) [2022-04-05 04:12:46,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-04-05 04:12:46,903 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 226 [2022-04-05 04:12:46,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,903 INFO L478 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-04-05 04:12:46,904 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-04-05 04:12:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-04-05 04:12:46,906 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,907 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:46,907 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-05 04:12:46,907 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,907 INFO L85 PathProgramCache]: Analyzing trace with hash -454255385, now seen corresponding path program 1 times [2022-04-05 04:12:46,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988841572] [2022-04-05 04:12:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-04-05 04:12:46,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988841572] [2022-04-05 04:12:46,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988841572] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:46,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255762431] [2022-04-05 04:12:46,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,956 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:46,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:46,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:46,957 INFO L87 Difference]: Start difference. First operand 1323 states and 1861 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,124 INFO L93 Difference]: Finished difference Result 1443 states and 2001 transitions. [2022-04-05 04:12:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:47,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 250 [2022-04-05 04:12:47,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,129 INFO L225 Difference]: With dead ends: 1443 [2022-04-05 04:12:47,129 INFO L226 Difference]: Without dead ends: 1443 [2022-04-05 04:12:47,129 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:47,130 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,130 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:47,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-04-05 04:12:47,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-04-05 04:12:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1430 states have (on average 1.3909090909090909) internal successors, (1989), 1430 states have internal predecessors, (1989), 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) [2022-04-05 04:12:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-04-05 04:12:47,170 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 250 [2022-04-05 04:12:47,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,170 INFO L478 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-04-05 04:12:47,170 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-04-05 04:12:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-04-05 04:12:47,173 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,174 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:47,174 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-05 04:12:47,174 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash -746641210, now seen corresponding path program 1 times [2022-04-05 04:12:47,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405548142] [2022-04-05 04:12:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-04-05 04:12:47,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405548142] [2022-04-05 04:12:47,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405548142] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:47,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975779206] [2022-04-05 04:12:47,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,229 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:47,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:47,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:47,230 INFO L87 Difference]: Start difference. First operand 1435 states and 1993 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,394 INFO L93 Difference]: Finished difference Result 1571 states and 2153 transitions. [2022-04-05 04:12:47,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:47,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 250 [2022-04-05 04:12:47,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,399 INFO L225 Difference]: With dead ends: 1571 [2022-04-05 04:12:47,399 INFO L226 Difference]: Without dead ends: 1571 [2022-04-05 04:12:47,399 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:47,400 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,400 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-04-05 04:12:47,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-04-05 04:12:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1554 states have (on average 1.3725868725868726) internal successors, (2133), 1554 states have internal predecessors, (2133), 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) [2022-04-05 04:12:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-04-05 04:12:47,423 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 250 [2022-04-05 04:12:47,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,423 INFO L478 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-04-05 04:12:47,423 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-04-05 04:12:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-04-05 04:12:47,426 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,427 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:47,427 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-05 04:12:47,427 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,427 INFO L85 PathProgramCache]: Analyzing trace with hash -514717482, now seen corresponding path program 1 times [2022-04-05 04:12:47,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173087969] [2022-04-05 04:12:47,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 660 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-04-05 04:12:47,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173087969] [2022-04-05 04:12:47,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173087969] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:47,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121368813] [2022-04-05 04:12:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,476 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:47,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:47,476 INFO L87 Difference]: Start difference. First operand 1559 states and 2137 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,628 INFO L93 Difference]: Finished difference Result 3101 states and 4249 transitions. [2022-04-05 04:12:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:47,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 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 280 [2022-04-05 04:12:47,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,637 INFO L225 Difference]: With dead ends: 3101 [2022-04-05 04:12:47,637 INFO L226 Difference]: Without dead ends: 3101 [2022-04-05 04:12:47,638 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:47,639 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 299 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,639 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 333 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:47,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-04-05 04:12:47,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-04-05 04:12:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3094 states have (on average 1.3716871363930188) internal successors, (4244), 3094 states have internal predecessors, (4244), 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) [2022-04-05 04:12:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-04-05 04:12:47,687 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 280 [2022-04-05 04:12:47,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,687 INFO L478 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-04-05 04:12:47,687 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 3 states have internal predecessors, (148), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-04-05 04:12:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-04-05 04:12:47,692 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,693 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:47,693 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-05 04:12:47,693 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,694 INFO L85 PathProgramCache]: Analyzing trace with hash -807103307, now seen corresponding path program 1 times [2022-04-05 04:12:47,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851372561] [2022-04-05 04:12:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-04-05 04:12:47,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851372561] [2022-04-05 04:12:47,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851372561] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:47,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325830055] [2022-04-05 04:12:47,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,771 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:47,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:47,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:47,772 INFO L87 Difference]: Start difference. First operand 3099 states and 4248 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,965 INFO L93 Difference]: Finished difference Result 3399 states and 4588 transitions. [2022-04-05 04:12:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:47,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 280 [2022-04-05 04:12:47,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,974 INFO L225 Difference]: With dead ends: 3399 [2022-04-05 04:12:47,974 INFO L226 Difference]: Without dead ends: 3399 [2022-04-05 04:12:47,974 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:47,975 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,975 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:47,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-04-05 04:12:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-04-05 04:12:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3383 states, 3378 states have (on average 1.3522794552989934) internal successors, (4568), 3378 states have internal predecessors, (4568), 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) [2022-04-05 04:12:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-04-05 04:12:48,030 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 280 [2022-04-05 04:12:48,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,030 INFO L478 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-04-05 04:12:48,031 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-04-05 04:12:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-04-05 04:12:48,037 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,037 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:48,037 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-05 04:12:48,037 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash 574436732, now seen corresponding path program 1 times [2022-04-05 04:12:48,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669770707] [2022-04-05 04:12:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 734 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-04-05 04:12:48,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669770707] [2022-04-05 04:12:48,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669770707] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114582410] [2022-04-05 04:12:48,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,095 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,095 INFO L87 Difference]: Start difference. First operand 3383 states and 4572 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,263 INFO L93 Difference]: Finished difference Result 3531 states and 4740 transitions. [2022-04-05 04:12:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 304 [2022-04-05 04:12:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,273 INFO L225 Difference]: With dead ends: 3531 [2022-04-05 04:12:48,273 INFO L226 Difference]: Without dead ends: 3531 [2022-04-05 04:12:48,273 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:48,274 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,274 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:48,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-04-05 04:12:48,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-04-05 04:12:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3510 states have (on average 1.3447293447293447) internal successors, (4720), 3510 states have internal predecessors, (4720), 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) [2022-04-05 04:12:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-04-05 04:12:48,331 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 304 [2022-04-05 04:12:48,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,331 INFO L478 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-04-05 04:12:48,332 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 3 states have internal predecessors, (149), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-04-05 04:12:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-04-05 04:12:48,338 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,338 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:48,338 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-05 04:12:48,338 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,338 INFO L85 PathProgramCache]: Analyzing trace with hash -113569885, now seen corresponding path program 1 times [2022-04-05 04:12:48,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712322818] [2022-04-05 04:12:48,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-04-05 04:12:48,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712322818] [2022-04-05 04:12:48,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712322818] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793899210] [2022-04-05 04:12:48,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,408 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,409 INFO L87 Difference]: Start difference. First operand 3515 states and 4724 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,587 INFO L93 Difference]: Finished difference Result 3915 states and 5196 transitions. [2022-04-05 04:12:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 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 315 [2022-04-05 04:12:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,597 INFO L225 Difference]: With dead ends: 3915 [2022-04-05 04:12:48,597 INFO L226 Difference]: Without dead ends: 3915 [2022-04-05 04:12:48,597 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:48,599 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 232 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,599 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-04-05 04:12:48,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-04-05 04:12:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 3822 states have (on average 1.3312401883830456) internal successors, (5088), 3822 states have internal predecessors, (5088), 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) [2022-04-05 04:12:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-04-05 04:12:48,663 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 315 [2022-04-05 04:12:48,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,663 INFO L478 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-04-05 04:12:48,664 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-04-05 04:12:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-04-05 04:12:48,670 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,670 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:48,671 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-05 04:12:48,671 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1657886751, now seen corresponding path program 1 times [2022-04-05 04:12:48,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6660436] [2022-04-05 04:12:48,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-04-05 04:12:48,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6660436] [2022-04-05 04:12:48,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6660436] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301473708] [2022-04-05 04:12:48,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,721 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,721 INFO L87 Difference]: Start difference. First operand 3827 states and 5092 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,879 INFO L93 Difference]: Finished difference Result 4235 states and 5540 transitions. [2022-04-05 04:12:48,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 329 [2022-04-05 04:12:48,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,899 INFO L225 Difference]: With dead ends: 4235 [2022-04-05 04:12:48,899 INFO L226 Difference]: Without dead ends: 4235 [2022-04-05 04:12:48,900 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:48,900 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,900 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 192 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:48,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-04-05 04:12:48,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-04-05 04:12:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3942 states have (on average 1.3272450532724505) internal successors, (5232), 3942 states have internal predecessors, (5232), 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) [2022-04-05 04:12:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-04-05 04:12:48,949 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 329 [2022-04-05 04:12:48,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,949 INFO L478 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-04-05 04:12:48,949 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-04-05 04:12:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-04-05 04:12:48,956 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,956 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:48,956 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-05 04:12:48,956 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,957 INFO L85 PathProgramCache]: Analyzing trace with hash -305167178, now seen corresponding path program 1 times [2022-04-05 04:12:48,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532173023] [2022-04-05 04:12:48,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 799 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-04-05 04:12:49,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:49,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532173023] [2022-04-05 04:12:49,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532173023] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:49,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:49,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:49,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236146624] [2022-04-05 04:12:49,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:49,007 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:49,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:49,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:49,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:49,007 INFO L87 Difference]: Start difference. First operand 3947 states and 5236 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:49,173 INFO L93 Difference]: Finished difference Result 7377 states and 9839 transitions. [2022-04-05 04:12:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:49,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 330 [2022-04-05 04:12:49,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:49,185 INFO L225 Difference]: With dead ends: 7377 [2022-04-05 04:12:49,185 INFO L226 Difference]: Without dead ends: 7377 [2022-04-05 04:12:49,185 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:49,186 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 262 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:49,186 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 323 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:49,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-04-05 04:12:49,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-04-05 04:12:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 7370 states have (on average 1.3343283582089551) internal successors, (9834), 7370 states have internal predecessors, (9834), 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) [2022-04-05 04:12:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-04-05 04:12:49,285 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 330 [2022-04-05 04:12:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:49,286 INFO L478 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-04-05 04:12:49,286 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-04-05 04:12:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-04-05 04:12:49,295 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:49,295 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:49,295 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-05 04:12:49,295 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:49,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:49,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1008792070, now seen corresponding path program 1 times [2022-04-05 04:12:49,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:49,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730195910] [2022-04-05 04:12:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:49,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 803 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-04-05 04:12:49,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:49,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730195910] [2022-04-05 04:12:49,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730195910] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:49,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:49,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:49,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50161082] [2022-04-05 04:12:49,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:49,349 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:49,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:49,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:49,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:49,350 INFO L87 Difference]: Start difference. First operand 7375 states and 9838 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:49,525 INFO L93 Difference]: Finished difference Result 7383 states and 9590 transitions. [2022-04-05 04:12:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:49,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 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 331 [2022-04-05 04:12:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:49,537 INFO L225 Difference]: With dead ends: 7383 [2022-04-05 04:12:49,537 INFO L226 Difference]: Without dead ends: 7383 [2022-04-05 04:12:49,537 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:49,538 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:49,539 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:49,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-04-05 04:12:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-04-05 04:12:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 7346 states have (on average 1.3005717397222978) internal successors, (9554), 7346 states have internal predecessors, (9554), 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) [2022-04-05 04:12:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-04-05 04:12:49,728 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 331 [2022-04-05 04:12:49,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:49,728 INFO L478 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-04-05 04:12:49,728 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-04-05 04:12:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-04-05 04:12:49,754 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:49,754 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:49,754 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-05 04:12:49,754 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:49,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:49,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1292890563, now seen corresponding path program 1 times [2022-04-05 04:12:49,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:49,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992543297] [2022-04-05 04:12:49,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:49,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 874 proven. 10 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-04-05 04:12:49,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:49,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992543297] [2022-04-05 04:12:49,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992543297] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:49,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093603512] [2022-04-05 04:12:49,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:49,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:49,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:49,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:12:49,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 04:12:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:50,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-05 04:12:50,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2022-04-05 04:12:50,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:12:50,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093603512] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:50,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:12:50,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-04-05 04:12:50,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636360121] [2022-04-05 04:12:50,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:50,428 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-05 04:12:50,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:50,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-05 04:12:50,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-04-05 04:12:50,429 INFO L87 Difference]: Start difference. First operand 7351 states and 9558 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:50,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:50,574 INFO L93 Difference]: Finished difference Result 7529 states and 9770 transitions. [2022-04-05 04:12:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 04:12:50,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 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 354 [2022-04-05 04:12:50,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:50,587 INFO L225 Difference]: With dead ends: 7529 [2022-04-05 04:12:50,587 INFO L226 Difference]: Without dead ends: 7501 [2022-04-05 04:12:50,588 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:50,589 INFO L913 BasicCegarLoop]: 150 mSDtfsCounter, 249 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:50,589 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 382 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:50,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-04-05 04:12:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-04-05 04:12:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7357 states, 7352 states have (on average 1.3005984766050054) internal successors, (9562), 7352 states have internal predecessors, (9562), 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) [2022-04-05 04:12:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-04-05 04:12:50,759 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 354 [2022-04-05 04:12:50,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:50,759 INFO L478 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-04-05 04:12:50,759 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-04-05 04:12:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-04-05 04:12:50,770 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:50,771 INFO L499 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:50,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-05 04:12:50,987 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-04-05 04:12:50,987 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:50,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:50,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1908767314, now seen corresponding path program 1 times [2022-04-05 04:12:50,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:50,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632763075] [2022-04-05 04:12:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:50,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:51,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-04-05 04:12:51,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:51,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632763075] [2022-04-05 04:12:51,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632763075] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:51,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397503319] [2022-04-05 04:12:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:51,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:51,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:51,059 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:12:51,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-05 04:12:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:51,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:51,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-04-05 04:12:51,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:12:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-04-05 04:12:51,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397503319] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:12:51,849 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:12:51,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-05 04:12:51,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250900521] [2022-04-05 04:12:51,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:12:51,850 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 04:12:51,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:51,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 04:12:51,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-05 04:12:51,851 INFO L87 Difference]: Start difference. First operand 7357 states and 9566 transitions. Second operand has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:52,580 INFO L93 Difference]: Finished difference Result 11133 states and 14243 transitions. [2022-04-05 04:12:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-05 04:12:52,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 367 [2022-04-05 04:12:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:52,596 INFO L225 Difference]: With dead ends: 11133 [2022-04-05 04:12:52,596 INFO L226 Difference]: Without dead ends: 11125 [2022-04-05 04:12:52,597 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-04-05 04:12:52,598 INFO L913 BasicCegarLoop]: 385 mSDtfsCounter, 411 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:52,598 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 407 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-05 04:12:52,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11125 states. [2022-04-05 04:12:52,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11125 to 8461. [2022-04-05 04:12:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8461 states, 8456 states have (on average 1.3077105014191106) internal successors, (11058), 8456 states have internal predecessors, (11058), 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) [2022-04-05 04:12:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-04-05 04:12:52,715 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 367 [2022-04-05 04:12:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:52,715 INFO L478 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-04-05 04:12:52,716 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 6 states have internal predecessors, (236), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-04-05 04:12:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-04-05 04:12:52,726 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:52,726 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:52,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-05 04:12:52,935 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-04-05 04:12:52,936 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:52,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 677510765, now seen corresponding path program 2 times [2022-04-05 04:12:52,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:52,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404926513] [2022-04-05 04:12:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:52,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:12:53,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:53,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404926513] [2022-04-05 04:12:53,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404926513] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:53,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837255585] [2022-04-05 04:12:53,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-05 04:12:53,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:53,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:53,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:12:53,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-05 04:12:53,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-05 04:12:53,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 04:12:53,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:53,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:12:53,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:12:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:12:53,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837255585] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:12:53,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:12:53,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-05 04:12:53,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775857219] [2022-04-05 04:12:53,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:12:53,864 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 04:12:53,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:53,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 04:12:53,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-05 04:12:53,865 INFO L87 Difference]: Start difference. First operand 8461 states and 11062 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:54,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:54,298 INFO L93 Difference]: Finished difference Result 10657 states and 13686 transitions. [2022-04-05 04:12:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:54,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 380 [2022-04-05 04:12:54,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:54,313 INFO L225 Difference]: With dead ends: 10657 [2022-04-05 04:12:54,313 INFO L226 Difference]: Without dead ends: 10649 [2022-04-05 04:12:54,314 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-05 04:12:54,314 INFO L913 BasicCegarLoop]: 202 mSDtfsCounter, 627 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:54,315 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 219 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-05 04:12:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10649 states. [2022-04-05 04:12:54,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10649 to 8499. [2022-04-05 04:12:54,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8499 states, 8494 states have (on average 1.276312691311514) internal successors, (10841), 8494 states have internal predecessors, (10841), 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) [2022-04-05 04:12:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8499 states to 8499 states and 10845 transitions. [2022-04-05 04:12:54,417 INFO L78 Accepts]: Start accepts. Automaton has 8499 states and 10845 transitions. Word has length 380 [2022-04-05 04:12:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:54,417 INFO L478 AbstractCegarLoop]: Abstraction has 8499 states and 10845 transitions. [2022-04-05 04:12:54,417 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 8499 states and 10845 transitions. [2022-04-05 04:12:54,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-04-05 04:12:54,430 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:54,430 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:54,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-05 04:12:54,645 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:54,646 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:54,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:54,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1014567377, now seen corresponding path program 1 times [2022-04-05 04:12:54,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:54,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249997707] [2022-04-05 04:12:54,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:54,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-04-05 04:12:54,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:54,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249997707] [2022-04-05 04:12:54,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249997707] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:54,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:54,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:54,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408244486] [2022-04-05 04:12:54,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:54,707 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:54,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:54,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:54,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:54,707 INFO L87 Difference]: Start difference. First operand 8499 states and 10845 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:54,929 INFO L93 Difference]: Finished difference Result 7585 states and 9079 transitions. [2022-04-05 04:12:54,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:54,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 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 419 [2022-04-05 04:12:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:54,934 INFO L225 Difference]: With dead ends: 7585 [2022-04-05 04:12:54,934 INFO L226 Difference]: Without dead ends: 3801 [2022-04-05 04:12:54,934 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 04:12:54,935 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:54,938 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 195 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-04-05 04:12:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3611. [2022-04-05 04:12:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3611 states, 3606 states have (on average 1.2470881863560732) internal successors, (4497), 3606 states have internal predecessors, (4497), 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) [2022-04-05 04:12:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 3611 states and 4501 transitions. [2022-04-05 04:12:55,000 INFO L78 Accepts]: Start accepts. Automaton has 3611 states and 4501 transitions. Word has length 419 [2022-04-05 04:12:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:55,000 INFO L478 AbstractCegarLoop]: Abstraction has 3611 states and 4501 transitions. [2022-04-05 04:12:55,001 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4501 transitions. [2022-04-05 04:12:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-04-05 04:12:55,006 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:55,006 INFO L499 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:55,007 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-05 04:12:55,007 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:55,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:55,024 INFO L85 PathProgramCache]: Analyzing trace with hash 754491721, now seen corresponding path program 1 times [2022-04-05 04:12:55,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:55,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383064560] [2022-04-05 04:12:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:55,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1648 proven. 14 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2022-04-05 04:12:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:55,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383064560] [2022-04-05 04:12:55,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383064560] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:55,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428722635] [2022-04-05 04:12:55,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:55,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:55,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:12:55,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-05 04:12:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:55,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:55,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1075 proven. 0 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked. [2022-04-05 04:12:55,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:12:55,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428722635] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:55,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:12:55,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-05 04:12:55,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102219289] [2022-04-05 04:12:55,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:55,887 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:12:55,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:55,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:12:55,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:55,888 INFO L87 Difference]: Start difference. First operand 3611 states and 4501 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:55,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:55,901 INFO L93 Difference]: Finished difference Result 3949 states and 4887 transitions. [2022-04-05 04:12:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:12:55,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 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 517 [2022-04-05 04:12:55,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:55,906 INFO L225 Difference]: With dead ends: 3949 [2022-04-05 04:12:55,906 INFO L226 Difference]: Without dead ends: 3949 [2022-04-05 04:12:55,907 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:55,907 INFO L913 BasicCegarLoop]: 306 mSDtfsCounter, 56 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:55,908 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 462 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:12:55,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3949 states. [2022-04-05 04:12:55,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3949 to 3536. [2022-04-05 04:12:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 3531 states have (on average 1.2472387425658453) internal successors, (4404), 3531 states have internal predecessors, (4404), 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) [2022-04-05 04:12:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4408 transitions. [2022-04-05 04:12:55,937 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4408 transitions. Word has length 517 [2022-04-05 04:12:55,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:55,937 INFO L478 AbstractCegarLoop]: Abstraction has 3536 states and 4408 transitions. [2022-04-05 04:12:55,937 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4408 transitions. [2022-04-05 04:12:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-04-05 04:12:55,967 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:55,967 INFO L499 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:56,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-05 04:12:56,186 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-04-05 04:12:56,186 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:56,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:56,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2396054, now seen corresponding path program 1 times [2022-04-05 04:12:56,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:56,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496575760] [2022-04-05 04:12:56,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:56,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-04-05 04:12:56,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:56,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496575760] [2022-04-05 04:12:56,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496575760] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:56,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207152881] [2022-04-05 04:12:56,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:56,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:56,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:56,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 04:12:56,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-05 04:12:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:56,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:56,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-04-05 04:12:57,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:12:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2022-04-05 04:12:57,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207152881] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:12:57,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:12:57,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-05 04:12:57,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316486180] [2022-04-05 04:12:57,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:12:57,716 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-05 04:12:57,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:57,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-05 04:12:57,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:57,717 INFO L87 Difference]: Start difference. First operand 3536 states and 4408 transitions. Second operand has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:57,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:57,964 INFO L93 Difference]: Finished difference Result 966 states and 1139 transitions. [2022-04-05 04:12:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:57,964 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 629 [2022-04-05 04:12:57,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:57,965 INFO L225 Difference]: With dead ends: 966 [2022-04-05 04:12:57,965 INFO L226 Difference]: Without dead ends: 0 [2022-04-05 04:12:57,965 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1269 GetRequests, 1259 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-04-05 04:12:57,965 INFO L913 BasicCegarLoop]: 156 mSDtfsCounter, 358 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:57,965 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 178 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:57,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-05 04:12:57,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-05 04:12:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-05 04:12:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-05 04:12:57,966 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2022-04-05 04:12:57,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:57,966 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-05 04:12:57,966 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 37.44444444444444) internal successors, (337), 8 states have internal predecessors, (337), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-05 04:12:57,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-05 04:12:57,968 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-05 04:12:57,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-05 04:12:58,169 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-04-05 04:12:58,171 INFO L719 BasicCegarLoop]: Path program histogram: [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] [2022-04-05 04:12:58,172 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-05 04:12:58,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:12:58 BasicIcfg [2022-04-05 04:12:58,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-05 04:12:58,174 INFO L158 Benchmark]: Toolchain (without parser) took 15759.57ms. Allocated memory was 200.3MB in the beginning and 523.2MB in the end (delta: 323.0MB). Free memory was 149.9MB in the beginning and 243.9MB in the end (delta: -94.0MB). Peak memory consumption was 228.4MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,174 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 166.7MB in the beginning and 166.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 04:12:58,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.82ms. Allocated memory is still 200.3MB. Free memory was 149.8MB in the beginning and 172.9MB in the end (delta: -23.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,175 INFO L158 Benchmark]: Boogie Preprocessor took 36.55ms. Allocated memory is still 200.3MB. Free memory was 172.9MB in the beginning and 170.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,175 INFO L158 Benchmark]: RCFGBuilder took 509.28ms. Allocated memory is still 200.3MB. Free memory was 170.4MB in the beginning and 145.7MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,175 INFO L158 Benchmark]: IcfgTransformer took 26.09ms. Allocated memory is still 200.3MB. Free memory was 145.7MB in the beginning and 142.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,175 INFO L158 Benchmark]: TraceAbstraction took 14639.97ms. Allocated memory was 200.3MB in the beginning and 523.2MB in the end (delta: 323.0MB). Free memory was 142.1MB in the beginning and 243.9MB in the end (delta: -101.8MB). Peak memory consumption was 222.0MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 166.7MB in the beginning and 166.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 521.82ms. Allocated memory is still 200.3MB. Free memory was 149.8MB in the beginning and 172.9MB in the end (delta: -23.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.55ms. Allocated memory is still 200.3MB. Free memory was 172.9MB in the beginning and 170.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 509.28ms. Allocated memory is still 200.3MB. Free memory was 170.4MB in the beginning and 145.7MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 26.09ms. Allocated memory is still 200.3MB. Free memory was 145.7MB in the beginning and 142.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14639.97ms. Allocated memory was 200.3MB in the beginning and 523.2MB in the end (delta: 323.0MB). Free memory was 142.1MB in the beginning and 243.9MB in the end (delta: -101.8MB). Peak memory consumption was 222.0MB. 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 - PositiveResult [Line: 560]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 27, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7087 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7085 mSDsluCounter, 6331 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 605 mSDsCounter, 646 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6694 IncrementalHoareTripleChecker+Invalid, 7340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 646 mSolverCounterUnsat, 5726 mSDtfsCounter, 6694 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3823 GetRequests, 3718 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8499occurred in iteration=24, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 6159 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 8826 NumberOfCodeBlocks, 8826 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10167 ConstructedInterpolants, 0 QuantifiedInterpolants, 14378 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4211 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 45091/45202 InterpolantCoveringCapability, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-05 04:12:58,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...