/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_3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 04:12:41,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 04:12:41,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 04:12:41,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 04:12:41,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 04:12:41,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 04:12:41,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 04:12:41,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 04:12:41,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 04:12:41,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 04:12:41,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 04:12:41,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 04:12:41,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 04:12:41,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 04:12:41,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 04:12:41,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 04:12:41,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 04:12:41,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 04:12:41,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 04:12:41,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 04:12:41,801 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 04:12:41,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 04:12:41,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 04:12:41,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 04:12:41,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 04:12:41,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-05 04:12:41,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-05 04:12:41,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-05 04:12:41,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-05 04:12:41,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-05 04:12:41,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-05 04:12:41,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-05 04:12:41,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-05 04:12:41,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-05 04:12:41,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-05 04:12:41,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-05 04:12:41,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-05 04:12:41,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-05 04:12:41,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-05 04:12:41,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 04:12:41,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 04:12:41,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 04:12:41,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 04:12:41,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 04:12:41,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 04:12:41,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 04:12:41,828 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 04:12:41,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 04:12:41,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 04:12:41,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 04:12:41,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 04:12:41,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 04:12:41,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 04:12:41,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 04:12:41,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:12:41,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 04:12:41,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 04:12:41,831 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 04:12:41,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 04:12:41,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 04:12:42,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 04:12:42,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 04:12:42,016 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 04:12:42,017 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 04:12:42,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-04-05 04:12:42,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e149ca49/80d8c093c2414cdf83479f6b2b141c9d/FLAG2e3a83df2 [2022-04-05 04:12:42,453 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 04:12:42,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_3.cil-1.c [2022-04-05 04:12:42,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e149ca49/80d8c093c2414cdf83479f6b2b141c9d/FLAG2e3a83df2 [2022-04-05 04:12:42,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e149ca49/80d8c093c2414cdf83479f6b2b141c9d [2022-04-05 04:12:42,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 04:12:42,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 04:12:42,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 04:12:42,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 04:12:42,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 04:12:42,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b9bb 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 04:12:42,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:12:42" (1/1) ... [2022-04-05 04:12:42,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 04:12:42,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 04:12:42,715 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_3.cil-1.c[37413,37426] [2022-04-05 04:12:42,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:12:42,730 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 04:12:42,757 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_3.cil-1.c[37413,37426] [2022-04-05 04:12:42,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 04:12:42,779 INFO L208 MainTranslator]: Completed translation [2022-04-05 04:12:42,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:12:42 WrapperNode [2022-04-05 04:12:42,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 04:12:42,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 04:12:42,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 04:12:42,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 04:12:42,794 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 04:12:42,794 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 04:12:42,800 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 04:12:42,800 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 04:12:42,811 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 04:12:42,817 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 04:12:42,818 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 04:12:42,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 04:12:42,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 04:12:42,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 04:12:42,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 04:12:42,822 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 04:12:42,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 04:12:42,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:42,850 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 04:12:42,851 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 04:12:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 04:12:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 04:12:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 04:12:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-05 04:12:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 04:12:42,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 04:12:42,948 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 04:12:42,949 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 04:12:43,011 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 04:12:43,319 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-05 04:12:43,320 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-05 04:12:43,322 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 04:12:43,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 04:12:43,338 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 04:12:43,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:12:43 BoogieIcfgContainer [2022-04-05 04:12:43,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 04:12:43,343 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 04:12:43,343 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 04:12:43,344 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 04:12:43,346 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 04:12:43,348 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 04:12:43,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 04:12:43 BasicIcfg [2022-04-05 04:12:43,386 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 04:12:43,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 04:12:43,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 04:12:43,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 04:12:43,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:12:42" (1/4) ... [2022-04-05 04:12:43,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b405636 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 04:12:43,393 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 04:12:43,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b405636 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 04:12:43,395 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 04:12:43,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b405636 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 04:12:43,395 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 04:12:43,396 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.cJordan [2022-04-05 04:12:43,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 04:12:43,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 04:12:43,430 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 04:12:43,434 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 04:12:43,435 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 04:12:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 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 04:12:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-05 04:12:43,453 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:43,454 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 04:12:43,454 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:43,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1711602328, now seen corresponding path program 1 times [2022-04-05 04:12:43,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:43,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727555759] [2022-04-05 04:12:43,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:43,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:43,745 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 04:12:43,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:43,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727555759] [2022-04-05 04:12:43,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727555759] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:43,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:43,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:43,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525874509] [2022-04-05 04:12:43,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:43,789 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:43,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:43,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:43,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:43,819 INFO L87 Difference]: Start difference. First operand has 133 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 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 6 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:44,218 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2022-04-05 04:12:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:44,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-04-05 04:12:44,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:44,231 INFO L225 Difference]: With dead ends: 166 [2022-04-05 04:12:44,231 INFO L226 Difference]: Without dead ends: 143 [2022-04-05 04:12:44,233 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:44,236 INFO L913 BasicCegarLoop]: 148 mSDtfsCounter, 684 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:44,237 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 169 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:12:44,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-04-05 04:12:44,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138. [2022-04-05 04:12:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 133 states have (on average 1.5714285714285714) internal successors, (209), 133 states have internal predecessors, (209), 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 04:12:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 213 transitions. [2022-04-05 04:12:44,275 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 213 transitions. Word has length 30 [2022-04-05 04:12:44,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:44,275 INFO L478 AbstractCegarLoop]: Abstraction has 138 states and 213 transitions. [2022-04-05 04:12:44,275 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2022-04-05 04:12:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-05 04:12:44,276 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:44,276 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, 1] [2022-04-05 04:12:44,277 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 04:12:44,277 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:44,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:44,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1521013668, now seen corresponding path program 1 times [2022-04-05 04:12:44,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:44,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808662695] [2022-04-05 04:12:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,371 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 04:12:44,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:44,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808662695] [2022-04-05 04:12:44,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808662695] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:44,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:44,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:44,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922754067] [2022-04-05 04:12:44,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:44,374 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:44,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:44,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:44,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:44,374 INFO L87 Difference]: Start difference. First operand 138 states and 213 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:44,605 INFO L93 Difference]: Finished difference Result 167 states and 261 transitions. [2022-04-05 04:12:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:44,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-04-05 04:12:44,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:44,607 INFO L225 Difference]: With dead ends: 167 [2022-04-05 04:12:44,607 INFO L226 Difference]: Without dead ends: 167 [2022-04-05 04:12:44,607 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:44,608 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 548 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:44,609 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 123 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:44,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-04-05 04:12:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2022-04-05 04:12:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 157 states have (on average 1.605095541401274) internal successors, (252), 157 states have internal predecessors, (252), 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 04:12:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 256 transitions. [2022-04-05 04:12:44,620 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 256 transitions. Word has length 31 [2022-04-05 04:12:44,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:44,620 INFO L478 AbstractCegarLoop]: Abstraction has 162 states and 256 transitions. [2022-04-05 04:12:44,620 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2022-04-05 04:12:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-05 04:12:44,621 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:44,621 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-05 04:12:44,622 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 04:12:44,622 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:44,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:44,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1810389985, now seen corresponding path program 1 times [2022-04-05 04:12:44,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:44,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787228966] [2022-04-05 04:12:44,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:44,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:12:44,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:44,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787228966] [2022-04-05 04:12:44,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787228966] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:44,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:44,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:44,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388590559] [2022-04-05 04:12:44,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:44,689 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:44,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:44,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:44,690 INFO L87 Difference]: Start difference. First operand 162 states and 256 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:44,890 INFO L93 Difference]: Finished difference Result 186 states and 296 transitions. [2022-04-05 04:12:44,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:44,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-05 04:12:44,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:44,892 INFO L225 Difference]: With dead ends: 186 [2022-04-05 04:12:44,892 INFO L226 Difference]: Without dead ends: 186 [2022-04-05 04:12:44,892 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:44,893 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 537 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:44,893 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [537 Valid, 123 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:44,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-04-05 04:12:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-04-05 04:12:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.6179775280898876) internal successors, (288), 178 states have internal predecessors, (288), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 292 transitions. [2022-04-05 04:12:44,903 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 292 transitions. Word has length 50 [2022-04-05 04:12:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:44,904 INFO L478 AbstractCegarLoop]: Abstraction has 183 states and 292 transitions. [2022-04-05 04:12:44,904 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 292 transitions. [2022-04-05 04:12:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-05 04:12:44,905 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:44,905 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-05 04:12:44,905 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 04:12:44,905 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:44,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:44,906 INFO L85 PathProgramCache]: Analyzing trace with hash 465010892, now seen corresponding path program 1 times [2022-04-05 04:12:44,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:44,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993062464] [2022-04-05 04:12:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:44,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:12:44,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:44,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993062464] [2022-04-05 04:12:44,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993062464] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:44,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:44,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:44,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769964763] [2022-04-05 04:12:44,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:44,985 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:44,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:44,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:44,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:44,986 INFO L87 Difference]: Start difference. First operand 183 states and 292 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,196 INFO L93 Difference]: Finished difference Result 186 states and 294 transitions. [2022-04-05 04:12:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:45,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-04-05 04:12:45,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,198 INFO L225 Difference]: With dead ends: 186 [2022-04-05 04:12:45,198 INFO L226 Difference]: Without dead ends: 186 [2022-04-05 04:12:45,198 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:45,199 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 540 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,200 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [540 Valid, 123 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:45,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-04-05 04:12:45,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-04-05 04:12:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.6067415730337078) internal successors, (286), 178 states have internal predecessors, (286), 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 04:12:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 290 transitions. [2022-04-05 04:12:45,205 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 290 transitions. Word has length 51 [2022-04-05 04:12:45,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:45,205 INFO L478 AbstractCegarLoop]: Abstraction has 183 states and 290 transitions. [2022-04-05 04:12:45,206 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 290 transitions. [2022-04-05 04:12:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-05 04:12:45,207 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:45,207 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-04-05 04:12:45,207 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-05 04:12:45,207 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:45,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:45,208 INFO L85 PathProgramCache]: Analyzing trace with hash -409944273, now seen corresponding path program 1 times [2022-04-05 04:12:45,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:45,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783111525] [2022-04-05 04:12:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-05 04:12:45,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:45,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783111525] [2022-04-05 04:12:45,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783111525] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:45,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:45,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:45,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632221618] [2022-04-05 04:12:45,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:45,264 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:45,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:45,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:45,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:45,265 INFO L87 Difference]: Start difference. First operand 183 states and 290 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,484 INFO L93 Difference]: Finished difference Result 207 states and 328 transitions. [2022-04-05 04:12:45,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:45,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-05 04:12:45,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,486 INFO L225 Difference]: With dead ends: 207 [2022-04-05 04:12:45,486 INFO L226 Difference]: Without dead ends: 207 [2022-04-05 04:12:45,486 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:45,487 INFO L913 BasicCegarLoop]: 107 mSDtfsCounter, 535 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,487 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 124 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-04-05 04:12:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-04-05 04:12:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 198 states have (on average 1.606060606060606) internal successors, (318), 198 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 04:12:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 322 transitions. [2022-04-05 04:12:45,492 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 322 transitions. Word has length 66 [2022-04-05 04:12:45,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:45,493 INFO L478 AbstractCegarLoop]: Abstraction has 203 states and 322 transitions. [2022-04-05 04:12:45,493 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 322 transitions. [2022-04-05 04:12:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-05 04:12:45,494 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:45,494 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:45,494 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-05 04:12:45,495 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:45,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:45,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1177930087, now seen corresponding path program 1 times [2022-04-05 04:12:45,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:45,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427244172] [2022-04-05 04:12:45,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-05 04:12:45,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:45,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427244172] [2022-04-05 04:12:45,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427244172] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:45,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:45,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:45,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028214146] [2022-04-05 04:12:45,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:45,535 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:45,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:45,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:45,542 INFO L87 Difference]: Start difference. First operand 203 states and 322 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:45,726 INFO L93 Difference]: Finished difference Result 207 states and 325 transitions. [2022-04-05 04:12:45,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:45,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-05 04:12:45,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:45,728 INFO L225 Difference]: With dead ends: 207 [2022-04-05 04:12:45,728 INFO L226 Difference]: Without dead ends: 207 [2022-04-05 04:12:45,728 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:45,729 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 538 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:45,729 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 123 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:45,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-04-05 04:12:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2022-04-05 04:12:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 198 states have (on average 1.5909090909090908) internal successors, (315), 198 states have internal predecessors, (315), 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 04:12:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 319 transitions. [2022-04-05 04:12:45,734 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 319 transitions. Word has length 67 [2022-04-05 04:12:45,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:45,734 INFO L478 AbstractCegarLoop]: Abstraction has 203 states and 319 transitions. [2022-04-05 04:12:45,735 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 319 transitions. [2022-04-05 04:12:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-05 04:12:45,737 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:45,737 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:45,737 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-05 04:12:45,737 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:45,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2089443154, now seen corresponding path program 1 times [2022-04-05 04:12:45,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:45,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82439368] [2022-04-05 04:12:45,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 04:12:45,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:45,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82439368] [2022-04-05 04:12:45,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82439368] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:45,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:45,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:45,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764166425] [2022-04-05 04:12:45,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:45,788 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:45,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:45,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:45,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:45,788 INFO L87 Difference]: Start difference. First operand 203 states and 319 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,035 INFO L93 Difference]: Finished difference Result 245 states and 390 transitions. [2022-04-05 04:12:46,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:46,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-04-05 04:12:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,037 INFO L225 Difference]: With dead ends: 245 [2022-04-05 04:12:46,037 INFO L226 Difference]: Without dead ends: 244 [2022-04-05 04:12:46,037 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:46,038 INFO L913 BasicCegarLoop]: 110 mSDtfsCounter, 572 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,038 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [572 Valid, 127 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-04-05 04:12:46,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-04-05 04:12:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 239 states have (on average 1.610878661087866) internal successors, (385), 239 states have internal predecessors, (385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 389 transitions. [2022-04-05 04:12:46,043 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 389 transitions. Word has length 68 [2022-04-05 04:12:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,043 INFO L478 AbstractCegarLoop]: Abstraction has 244 states and 389 transitions. [2022-04-05 04:12:46,044 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 389 transitions. [2022-04-05 04:12:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-04-05 04:12:46,045 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,045 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-04-05 04:12:46,045 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-05 04:12:46,045 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1036864402, now seen corresponding path program 1 times [2022-04-05 04:12:46,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918317954] [2022-04-05 04:12:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 04:12:46,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918317954] [2022-04-05 04:12:46,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918317954] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:46,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201405921] [2022-04-05 04:12:46,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,099 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:46,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:46,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:46,104 INFO L87 Difference]: Start difference. First operand 244 states and 389 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,301 INFO L93 Difference]: Finished difference Result 266 states and 422 transitions. [2022-04-05 04:12:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:46,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2022-04-05 04:12:46,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,302 INFO L225 Difference]: With dead ends: 266 [2022-04-05 04:12:46,302 INFO L226 Difference]: Without dead ends: 266 [2022-04-05 04:12:46,303 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:46,303 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 531 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,303 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 123 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-05 04:12:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-04-05 04:12:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.6015625) internal successors, (410), 256 states have internal predecessors, (410), 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 04:12:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 414 transitions. [2022-04-05 04:12:46,308 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 414 transitions. Word has length 83 [2022-04-05 04:12:46,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,308 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 414 transitions. [2022-04-05 04:12:46,308 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 414 transitions. [2022-04-05 04:12:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-04-05 04:12:46,309 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,309 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-04-05 04:12:46,309 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-05 04:12:46,309 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1054051491, now seen corresponding path program 1 times [2022-04-05 04:12:46,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503940045] [2022-04-05 04:12:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-04-05 04:12:46,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503940045] [2022-04-05 04:12:46,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503940045] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:46,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272155307] [2022-04-05 04:12:46,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,359 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:46,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:46,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:46,359 INFO L87 Difference]: Start difference. First operand 261 states and 414 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,558 INFO L93 Difference]: Finished difference Result 266 states and 417 transitions. [2022-04-05 04:12:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:46,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2022-04-05 04:12:46,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,559 INFO L225 Difference]: With dead ends: 266 [2022-04-05 04:12:46,559 INFO L226 Difference]: Without dead ends: 266 [2022-04-05 04:12:46,559 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:46,560 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 536 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,560 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 123 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:46,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-05 04:12:46,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 261. [2022-04-05 04:12:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.58203125) internal successors, (405), 256 states have internal predecessors, (405), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 409 transitions. [2022-04-05 04:12:46,564 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 409 transitions. Word has length 84 [2022-04-05 04:12:46,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,565 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 409 transitions. [2022-04-05 04:12:46,565 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 409 transitions. [2022-04-05 04:12:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-04-05 04:12:46,565 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,566 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] [2022-04-05 04:12:46,566 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-05 04:12:46,566 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash -61911791, now seen corresponding path program 1 times [2022-04-05 04:12:46,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177787265] [2022-04-05 04:12:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-04-05 04:12:46,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177787265] [2022-04-05 04:12:46,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177787265] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:46,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907470949] [2022-04-05 04:12:46,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,623 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:46,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:46,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:46,624 INFO L87 Difference]: Start difference. First operand 261 states and 409 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:46,819 INFO L93 Difference]: Finished difference Result 279 states and 433 transitions. [2022-04-05 04:12:46,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:46,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-04-05 04:12:46,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:46,821 INFO L225 Difference]: With dead ends: 279 [2022-04-05 04:12:46,821 INFO L226 Difference]: Without dead ends: 279 [2022-04-05 04:12:46,822 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:46,822 INFO L913 BasicCegarLoop]: 118 mSDtfsCounter, 497 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:46,823 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 135 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-05 04:12:46,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-04-05 04:12:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 271 states have (on average 1.5682656826568266) internal successors, (425), 271 states have internal predecessors, (425), 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 04:12:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 429 transitions. [2022-04-05 04:12:46,828 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 429 transitions. Word has length 97 [2022-04-05 04:12:46,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:46,829 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 429 transitions. [2022-04-05 04:12:46,829 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 429 transitions. [2022-04-05 04:12:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-05 04:12:46,830 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:46,830 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-04-05 04:12:46,830 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-05 04:12:46,830 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:46,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:46,831 INFO L85 PathProgramCache]: Analyzing trace with hash -816635385, now seen corresponding path program 1 times [2022-04-05 04:12:46,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:46,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834177715] [2022-04-05 04:12:46,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:46,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-04-05 04:12:46,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:46,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834177715] [2022-04-05 04:12:46,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834177715] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:46,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:46,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:46,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768839530] [2022-04-05 04:12:46,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:46,872 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:46,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:46,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:46,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:46,872 INFO L87 Difference]: Start difference. First operand 276 states and 429 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,073 INFO L93 Difference]: Finished difference Result 279 states and 427 transitions. [2022-04-05 04:12:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:47,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-04-05 04:12:47,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,074 INFO L225 Difference]: With dead ends: 279 [2022-04-05 04:12:47,075 INFO L226 Difference]: Without dead ends: 279 [2022-04-05 04:12:47,075 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:47,075 INFO L913 BasicCegarLoop]: 106 mSDtfsCounter, 522 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,076 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 123 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:47,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-05 04:12:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-04-05 04:12:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 271 states have (on average 1.5461254612546125) internal successors, (419), 271 states have internal predecessors, (419), 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 04:12:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 423 transitions. [2022-04-05 04:12:47,081 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 423 transitions. Word has length 98 [2022-04-05 04:12:47,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,081 INFO L478 AbstractCegarLoop]: Abstraction has 276 states and 423 transitions. [2022-04-05 04:12:47,081 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 423 transitions. [2022-04-05 04:12:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-04-05 04:12:47,082 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,083 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-05 04:12:47,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-05 04:12:47,083 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1044267923, now seen corresponding path program 1 times [2022-04-05 04:12:47,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780032888] [2022-04-05 04:12:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-04-05 04:12:47,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780032888] [2022-04-05 04:12:47,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780032888] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:47,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503135579] [2022-04-05 04:12:47,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,126 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:47,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:47,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:47,127 INFO L87 Difference]: Start difference. First operand 276 states and 423 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,338 INFO L93 Difference]: Finished difference Result 328 states and 509 transitions. [2022-04-05 04:12:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:47,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2022-04-05 04:12:47,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,339 INFO L225 Difference]: With dead ends: 328 [2022-04-05 04:12:47,340 INFO L226 Difference]: Without dead ends: 328 [2022-04-05 04:12:47,340 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:47,340 INFO L913 BasicCegarLoop]: 112 mSDtfsCounter, 559 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,340 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [559 Valid, 129 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:47,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-04-05 04:12:47,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2022-04-05 04:12:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 321 states have (on average 1.5669781931464175) internal successors, (503), 321 states have internal predecessors, (503), 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 04:12:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 507 transitions. [2022-04-05 04:12:47,345 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 507 transitions. Word has length 104 [2022-04-05 04:12:47,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,345 INFO L478 AbstractCegarLoop]: Abstraction has 326 states and 507 transitions. [2022-04-05 04:12:47,345 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 507 transitions. [2022-04-05 04:12:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-04-05 04:12:47,346 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,346 INFO L499 BasicCegarLoop]: trace histogram [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, 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] [2022-04-05 04:12:47,346 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-05 04:12:47,346 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,347 INFO L85 PathProgramCache]: Analyzing trace with hash 73282143, now seen corresponding path program 1 times [2022-04-05 04:12:47,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291915031] [2022-04-05 04:12:47,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-04-05 04:12:47,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291915031] [2022-04-05 04:12:47,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291915031] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 04:12:47,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860389555] [2022-04-05 04:12:47,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,380 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 04:12:47,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 04:12:47,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:47,381 INFO L87 Difference]: Start difference. First operand 326 states and 507 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,586 INFO L93 Difference]: Finished difference Result 329 states and 509 transitions. [2022-04-05 04:12:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:47,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 105 [2022-04-05 04:12:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,587 INFO L225 Difference]: With dead ends: 329 [2022-04-05 04:12:47,587 INFO L226 Difference]: Without dead ends: 329 [2022-04-05 04:12:47,588 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:47,588 INFO L913 BasicCegarLoop]: 111 mSDtfsCounter, 569 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,588 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 128 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-04-05 04:12:47,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2022-04-05 04:12:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 322 states have (on average 1.562111801242236) internal successors, (503), 322 states have internal predecessors, (503), 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 04:12:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 507 transitions. [2022-04-05 04:12:47,593 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 507 transitions. Word has length 105 [2022-04-05 04:12:47,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,593 INFO L478 AbstractCegarLoop]: Abstraction has 327 states and 507 transitions. [2022-04-05 04:12:47,593 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 507 transitions. [2022-04-05 04:12:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-04-05 04:12:47,594 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,594 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:47,594 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-05 04:12:47,594 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1546418708, now seen corresponding path program 1 times [2022-04-05 04:12:47,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710575438] [2022-04-05 04:12:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,627 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-04-05 04:12:47,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710575438] [2022-04-05 04:12:47,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710575438] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:47,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827287051] [2022-04-05 04:12:47,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,628 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:47,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:47,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:47,629 INFO L87 Difference]: Start difference. First operand 327 states and 507 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,773 INFO L93 Difference]: Finished difference Result 638 states and 989 transitions. [2022-04-05 04:12:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:47,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 109 [2022-04-05 04:12:47,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,776 INFO L225 Difference]: With dead ends: 638 [2022-04-05 04:12:47,776 INFO L226 Difference]: Without dead ends: 638 [2022-04-05 04:12:47,776 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 04:12:47,776 INFO L913 BasicCegarLoop]: 295 mSDtfsCounter, 306 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,776 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 302 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:47,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2022-04-05 04:12:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2022-04-05 04:12:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 633 states have (on average 1.55608214849921) internal successors, (985), 633 states have internal predecessors, (985), 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 04:12:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 989 transitions. [2022-04-05 04:12:47,785 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 989 transitions. Word has length 109 [2022-04-05 04:12:47,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,785 INFO L478 AbstractCegarLoop]: Abstraction has 638 states and 989 transitions. [2022-04-05 04:12:47,785 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 989 transitions. [2022-04-05 04:12:47,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-04-05 04:12:47,786 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,786 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:47,786 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-05 04:12:47,787 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,787 INFO L85 PathProgramCache]: Analyzing trace with hash 691753828, now seen corresponding path program 1 times [2022-04-05 04:12:47,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734743921] [2022-04-05 04:12:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-04-05 04:12:47,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734743921] [2022-04-05 04:12:47,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734743921] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:47,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257924693] [2022-04-05 04:12:47,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,812 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:47,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:47,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:47,812 INFO L87 Difference]: Start difference. First operand 638 states and 989 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 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 04:12:47,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:47,938 INFO L93 Difference]: Finished difference Result 926 states and 1436 transitions. [2022-04-05 04:12:47,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:47,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-04-05 04:12:47,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:47,940 INFO L225 Difference]: With dead ends: 926 [2022-04-05 04:12:47,940 INFO L226 Difference]: Without dead ends: 926 [2022-04-05 04:12:47,941 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 04:12:47,941 INFO L913 BasicCegarLoop]: 304 mSDtfsCounter, 298 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:47,941 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 311 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:47,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-04-05 04:12:47,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2022-04-05 04:12:47,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 921 states have (on average 1.5548317046688382) internal successors, (1432), 921 states have internal predecessors, (1432), 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 04:12:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1436 transitions. [2022-04-05 04:12:47,953 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1436 transitions. Word has length 110 [2022-04-05 04:12:47,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:47,953 INFO L478 AbstractCegarLoop]: Abstraction has 926 states and 1436 transitions. [2022-04-05 04:12:47,953 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 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 04:12:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1436 transitions. [2022-04-05 04:12:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-04-05 04:12:47,954 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:47,955 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:47,955 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-05 04:12:47,955 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1111270659, now seen corresponding path program 1 times [2022-04-05 04:12:47,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:47,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415622498] [2022-04-05 04:12:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:47,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-04-05 04:12:47,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:47,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415622498] [2022-04-05 04:12:47,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415622498] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:47,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:47,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:47,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894129883] [2022-04-05 04:12:47,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:47,979 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:47,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:47,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:47,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:47,980 INFO L87 Difference]: Start difference. First operand 926 states and 1436 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 04:12:48,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,102 INFO L93 Difference]: Finished difference Result 1219 states and 1888 transitions. [2022-04-05 04:12:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,103 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 110 [2022-04-05 04:12:48,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,106 INFO L225 Difference]: With dead ends: 1219 [2022-04-05 04:12:48,106 INFO L226 Difference]: Without dead ends: 1219 [2022-04-05 04:12:48,106 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 04:12:48,107 INFO L913 BasicCegarLoop]: 189 mSDtfsCounter, 418 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,107 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 196 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:48,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2022-04-05 04:12:48,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2022-04-05 04:12:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1214 states have (on average 1.5518945634266885) internal successors, (1884), 1214 states have internal predecessors, (1884), 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 04:12:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1888 transitions. [2022-04-05 04:12:48,124 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1888 transitions. Word has length 110 [2022-04-05 04:12:48,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,124 INFO L478 AbstractCegarLoop]: Abstraction has 1219 states and 1888 transitions. [2022-04-05 04:12:48,124 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 04:12:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1888 transitions. [2022-04-05 04:12:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-04-05 04:12:48,126 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,126 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:48,126 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-05 04:12:48,126 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,126 INFO L85 PathProgramCache]: Analyzing trace with hash -723676683, now seen corresponding path program 1 times [2022-04-05 04:12:48,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630405355] [2022-04-05 04:12:48,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-04-05 04:12:48,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630405355] [2022-04-05 04:12:48,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630405355] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224345256] [2022-04-05 04:12:48,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,154 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,155 INFO L87 Difference]: Start difference. First operand 1219 states and 1888 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,277 INFO L93 Difference]: Finished difference Result 1531 states and 2376 transitions. [2022-04-05 04:12:48,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 111 [2022-04-05 04:12:48,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,282 INFO L225 Difference]: With dead ends: 1531 [2022-04-05 04:12:48,282 INFO L226 Difference]: Without dead ends: 1531 [2022-04-05 04:12:48,283 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 04:12:48,283 INFO L913 BasicCegarLoop]: 162 mSDtfsCounter, 449 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,283 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 169 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2022-04-05 04:12:48,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2022-04-05 04:12:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1526 states have (on average 1.5543905635648756) internal successors, (2372), 1526 states have internal predecessors, (2372), 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 04:12:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2376 transitions. [2022-04-05 04:12:48,305 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2376 transitions. Word has length 111 [2022-04-05 04:12:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,305 INFO L478 AbstractCegarLoop]: Abstraction has 1531 states and 2376 transitions. [2022-04-05 04:12:48,306 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2376 transitions. [2022-04-05 04:12:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-04-05 04:12:48,308 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,308 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:48,308 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-05 04:12:48,308 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,309 INFO L85 PathProgramCache]: Analyzing trace with hash -982594376, now seen corresponding path program 1 times [2022-04-05 04:12:48,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618841141] [2022-04-05 04:12:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-04-05 04:12:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618841141] [2022-04-05 04:12:48,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618841141] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347523242] [2022-04-05 04:12:48,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,344 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,344 INFO L87 Difference]: Start difference. First operand 1531 states and 2376 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,506 INFO L93 Difference]: Finished difference Result 1534 states and 2167 transitions. [2022-04-05 04:12:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 171 [2022-04-05 04:12:48,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,511 INFO L225 Difference]: With dead ends: 1534 [2022-04-05 04:12:48,511 INFO L226 Difference]: Without dead ends: 1405 [2022-04-05 04:12:48,511 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 04:12:48,511 INFO L913 BasicCegarLoop]: 166 mSDtfsCounter, 280 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,511 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 173 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:48,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-04-05 04:12:48,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1357. [2022-04-05 04:12:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1352 states have (on average 1.4497041420118344) internal successors, (1960), 1352 states have internal predecessors, (1960), 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 04:12:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1964 transitions. [2022-04-05 04:12:48,529 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1964 transitions. Word has length 171 [2022-04-05 04:12:48,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,529 INFO L478 AbstractCegarLoop]: Abstraction has 1357 states and 1964 transitions. [2022-04-05 04:12:48,529 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1964 transitions. [2022-04-05 04:12:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-04-05 04:12:48,531 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,531 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:12:48,531 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-05 04:12:48,532 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1551429465, now seen corresponding path program 1 times [2022-04-05 04:12:48,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036912735] [2022-04-05 04:12:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-04-05 04:12:48,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036912735] [2022-04-05 04:12:48,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036912735] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225641717] [2022-04-05 04:12:48,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,563 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,563 INFO L87 Difference]: Start difference. First operand 1357 states and 1964 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,704 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2022-04-05 04:12:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 172 [2022-04-05 04:12:48,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,708 INFO L225 Difference]: With dead ends: 1422 [2022-04-05 04:12:48,708 INFO L226 Difference]: Without dead ends: 1422 [2022-04-05 04:12:48,709 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 04:12:48,709 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 245 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,709 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 198 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:48,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2022-04-05 04:12:48,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1364. [2022-04-05 04:12:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1359 states have (on average 1.4275202354672554) internal successors, (1940), 1359 states have internal predecessors, (1940), 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 04:12:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1944 transitions. [2022-04-05 04:12:48,726 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1944 transitions. Word has length 172 [2022-04-05 04:12:48,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,726 INFO L478 AbstractCegarLoop]: Abstraction has 1364 states and 1944 transitions. [2022-04-05 04:12:48,726 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1944 transitions. [2022-04-05 04:12:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-04-05 04:12:48,728 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,728 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 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 04:12:48,728 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-05 04:12:48,728 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1524959551, now seen corresponding path program 1 times [2022-04-05 04:12:48,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222952460] [2022-04-05 04:12:48,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-04-05 04:12:48,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222952460] [2022-04-05 04:12:48,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222952460] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129305664] [2022-04-05 04:12:48,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,764 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,765 INFO L87 Difference]: Start difference. First operand 1364 states and 1944 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:48,919 INFO L93 Difference]: Finished difference Result 1482 states and 2054 transitions. [2022-04-05 04:12:48,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:48,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 191 [2022-04-05 04:12:48,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:48,923 INFO L225 Difference]: With dead ends: 1482 [2022-04-05 04:12:48,923 INFO L226 Difference]: Without dead ends: 1414 [2022-04-05 04:12:48,924 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 04:12:48,924 INFO L913 BasicCegarLoop]: 165 mSDtfsCounter, 287 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:48,924 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 172 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-04-05 04:12:48,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1364. [2022-04-05 04:12:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1359 states have (on average 1.4157468727005151) internal successors, (1924), 1359 states have internal predecessors, (1924), 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 04:12:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1928 transitions. [2022-04-05 04:12:48,941 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1928 transitions. Word has length 191 [2022-04-05 04:12:48,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:48,941 INFO L478 AbstractCegarLoop]: Abstraction has 1364 states and 1928 transitions. [2022-04-05 04:12:48,941 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1928 transitions. [2022-04-05 04:12:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-04-05 04:12:48,944 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:48,944 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 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, 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] [2022-04-05 04:12:48,944 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-05 04:12:48,944 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:48,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash -137545226, now seen corresponding path program 1 times [2022-04-05 04:12:48,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:48,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475302048] [2022-04-05 04:12:48,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:48,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-04-05 04:12:48,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:48,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475302048] [2022-04-05 04:12:48,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475302048] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:48,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:48,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928410394] [2022-04-05 04:12:48,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:48,976 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:48,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:48,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:48,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:48,976 INFO L87 Difference]: Start difference. First operand 1364 states and 1928 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:49,117 INFO L93 Difference]: Finished difference Result 1572 states and 2168 transitions. [2022-04-05 04:12:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:49,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 212 [2022-04-05 04:12:49,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:49,121 INFO L225 Difference]: With dead ends: 1572 [2022-04-05 04:12:49,121 INFO L226 Difference]: Without dead ends: 1512 [2022-04-05 04:12:49,121 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 04:12:49,122 INFO L913 BasicCegarLoop]: 165 mSDtfsCounter, 289 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:49,122 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 172 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:49,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-04-05 04:12:49,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1464. [2022-04-05 04:12:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1459 states have (on average 1.4009595613433858) internal successors, (2044), 1459 states have internal predecessors, (2044), 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 04:12:49,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2048 transitions. [2022-04-05 04:12:49,174 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2048 transitions. Word has length 212 [2022-04-05 04:12:49,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:49,174 INFO L478 AbstractCegarLoop]: Abstraction has 1464 states and 2048 transitions. [2022-04-05 04:12:49,174 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2048 transitions. [2022-04-05 04:12:49,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-04-05 04:12:49,179 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:49,179 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:49,179 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-05 04:12:49,179 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:49,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2009924782, now seen corresponding path program 1 times [2022-04-05 04:12:49,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:49,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031735855] [2022-04-05 04:12:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:49,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-04-05 04:12:49,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:49,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031735855] [2022-04-05 04:12:49,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031735855] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:49,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:49,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018021847] [2022-04-05 04:12:49,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:49,236 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:49,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:49,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:49,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:49,237 INFO L87 Difference]: Start difference. First operand 1464 states and 2048 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:49,412 INFO L93 Difference]: Finished difference Result 1672 states and 2292 transitions. [2022-04-05 04:12:49,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:49,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 236 [2022-04-05 04:12:49,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:49,420 INFO L225 Difference]: With dead ends: 1672 [2022-04-05 04:12:49,420 INFO L226 Difference]: Without dead ends: 1620 [2022-04-05 04:12:49,421 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 04:12:49,421 INFO L913 BasicCegarLoop]: 165 mSDtfsCounter, 289 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:49,421 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 172 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 04:12:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-04-05 04:12:49,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1576. [2022-04-05 04:12:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1571 states have (on average 1.3901973265436027) internal successors, (2184), 1571 states have internal predecessors, (2184), 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 04:12:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2188 transitions. [2022-04-05 04:12:49,455 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2188 transitions. Word has length 236 [2022-04-05 04:12:49,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:49,455 INFO L478 AbstractCegarLoop]: Abstraction has 1576 states and 2188 transitions. [2022-04-05 04:12:49,456 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2188 transitions. [2022-04-05 04:12:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-04-05 04:12:49,459 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:49,460 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:49,460 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-05 04:12:49,460 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:49,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:49,461 INFO L85 PathProgramCache]: Analyzing trace with hash -879138157, now seen corresponding path program 1 times [2022-04-05 04:12:49,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:49,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156412973] [2022-04-05 04:12:49,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-04-05 04:12:49,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:49,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156412973] [2022-04-05 04:12:49,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156412973] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:49,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:49,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:49,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301600873] [2022-04-05 04:12:49,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:49,506 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:49,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:49,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:49,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:49,507 INFO L87 Difference]: Start difference. First operand 1576 states and 2188 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:49,646 INFO L93 Difference]: Finished difference Result 1784 states and 2452 transitions. [2022-04-05 04:12:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:49,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 236 [2022-04-05 04:12:49,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:49,651 INFO L225 Difference]: With dead ends: 1784 [2022-04-05 04:12:49,651 INFO L226 Difference]: Without dead ends: 1748 [2022-04-05 04:12:49,651 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 04:12:49,651 INFO L913 BasicCegarLoop]: 165 mSDtfsCounter, 292 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:49,652 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 172 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:49,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2022-04-05 04:12:49,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1700. [2022-04-05 04:12:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1695 states have (on average 1.3876106194690265) internal successors, (2352), 1695 states have internal predecessors, (2352), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2356 transitions. [2022-04-05 04:12:49,673 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2356 transitions. Word has length 236 [2022-04-05 04:12:49,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:49,673 INFO L478 AbstractCegarLoop]: Abstraction has 1700 states and 2356 transitions. [2022-04-05 04:12:49,673 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2356 transitions. [2022-04-05 04:12:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-04-05 04:12:49,677 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:49,677 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:49,677 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-05 04:12:49,677 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:49,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:49,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1124280444, now seen corresponding path program 1 times [2022-04-05 04:12:49,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:49,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122590944] [2022-04-05 04:12:49,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:49,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-04-05 04:12:49,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:49,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122590944] [2022-04-05 04:12:49,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122590944] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:49,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:49,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:49,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252418879] [2022-04-05 04:12:49,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:49,717 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:49,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:49,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:49,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:49,718 INFO L87 Difference]: Start difference. First operand 1700 states and 2356 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:49,850 INFO L93 Difference]: Finished difference Result 3376 states and 4675 transitions. [2022-04-05 04:12:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:49,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 266 [2022-04-05 04:12:49,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:49,859 INFO L225 Difference]: With dead ends: 3376 [2022-04-05 04:12:49,859 INFO L226 Difference]: Without dead ends: 3376 [2022-04-05 04:12:49,859 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 04:12:49,859 INFO L913 BasicCegarLoop]: 320 mSDtfsCounter, 293 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:49,860 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 327 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:49,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2022-04-05 04:12:49,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3374. [2022-04-05 04:12:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3374 states, 3369 states have (on average 1.386168002374592) internal successors, (4670), 3369 states have internal predecessors, (4670), 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 04:12:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 3374 states and 4674 transitions. [2022-04-05 04:12:49,908 INFO L78 Accepts]: Start accepts. Automaton has 3374 states and 4674 transitions. Word has length 266 [2022-04-05 04:12:49,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:49,908 INFO L478 AbstractCegarLoop]: Abstraction has 3374 states and 4674 transitions. [2022-04-05 04:12:49,909 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 04:12:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 4674 transitions. [2022-04-05 04:12:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-04-05 04:12:49,913 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:49,914 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:49,914 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-05 04:12:49,914 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash 6506181, now seen corresponding path program 1 times [2022-04-05 04:12:49,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:49,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351581127] [2022-04-05 04:12:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-04-05 04:12:49,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:49,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351581127] [2022-04-05 04:12:49,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351581127] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:49,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:49,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:49,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409949497] [2022-04-05 04:12:49,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:49,982 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:49,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:49,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:49,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:49,983 INFO L87 Difference]: Start difference. First operand 3374 states and 4674 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 04:12:50,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:50,134 INFO L93 Difference]: Finished difference Result 3782 states and 5218 transitions. [2022-04-05 04:12:50,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:50,135 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 266 [2022-04-05 04:12:50,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:50,148 INFO L225 Difference]: With dead ends: 3782 [2022-04-05 04:12:50,148 INFO L226 Difference]: Without dead ends: 3742 [2022-04-05 04:12:50,148 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 04:12:50,149 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 293 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:50,149 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 171 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-04-05 04:12:50,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-04-05 04:12:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3654 states, 3649 states have (on average 1.389421759386133) internal successors, (5070), 3649 states have internal predecessors, (5070), 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 04:12:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5074 transitions. [2022-04-05 04:12:50,205 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5074 transitions. Word has length 266 [2022-04-05 04:12:50,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:50,205 INFO L478 AbstractCegarLoop]: Abstraction has 3654 states and 5074 transitions. [2022-04-05 04:12:50,206 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 04:12:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5074 transitions. [2022-04-05 04:12:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-04-05 04:12:50,212 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:50,213 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:50,213 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-05 04:12:50,213 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:50,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:50,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1703890796, now seen corresponding path program 1 times [2022-04-05 04:12:50,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:50,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702408000] [2022-04-05 04:12:50,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:50,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:50,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-04-05 04:12:50,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:50,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702408000] [2022-04-05 04:12:50,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702408000] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:50,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:50,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:50,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287800877] [2022-04-05 04:12:50,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:50,269 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:50,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:50,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:50,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:50,269 INFO L87 Difference]: Start difference. First operand 3654 states and 5074 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 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 04:12:50,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:50,434 INFO L93 Difference]: Finished difference Result 3766 states and 5170 transitions. [2022-04-05 04:12:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:50,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 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 301 [2022-04-05 04:12:50,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:50,460 INFO L225 Difference]: With dead ends: 3766 [2022-04-05 04:12:50,460 INFO L226 Difference]: Without dead ends: 3742 [2022-04-05 04:12:50,460 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 04:12:50,461 INFO L913 BasicCegarLoop]: 163 mSDtfsCounter, 298 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:50,463 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 170 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-04-05 04:12:50,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3654. [2022-04-05 04:12:50,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3654 states, 3649 states have (on average 1.380652233488627) internal successors, (5038), 3649 states have internal predecessors, (5038), 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 04:12:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5042 transitions. [2022-04-05 04:12:50,537 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5042 transitions. Word has length 301 [2022-04-05 04:12:50,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:50,538 INFO L478 AbstractCegarLoop]: Abstraction has 3654 states and 5042 transitions. [2022-04-05 04:12:50,538 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 1 states have call successors, (3), 2 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 04:12:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5042 transitions. [2022-04-05 04:12:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-04-05 04:12:50,547 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:50,547 INFO L499 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 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, 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 04:12:50,547 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-05 04:12:50,547 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:50,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:50,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1069632228, now seen corresponding path program 1 times [2022-04-05 04:12:50,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:50,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841795447] [2022-04-05 04:12:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:50,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:12:50,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:50,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841795447] [2022-04-05 04:12:50,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841795447] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:50,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:50,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:50,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846799455] [2022-04-05 04:12:50,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:50,614 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:50,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:50,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:50,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:50,615 INFO L87 Difference]: Start difference. First operand 3654 states and 5042 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 04:12:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:50,757 INFO L93 Difference]: Finished difference Result 3702 states and 5037 transitions. [2022-04-05 04:12:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:50,758 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 338 [2022-04-05 04:12:50,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:50,764 INFO L225 Difference]: With dead ends: 3702 [2022-04-05 04:12:50,765 INFO L226 Difference]: Without dead ends: 3702 [2022-04-05 04:12:50,765 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 04:12:50,766 INFO L913 BasicCegarLoop]: 173 mSDtfsCounter, 288 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:50,766 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 180 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:50,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2022-04-05 04:12:50,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3604. [2022-04-05 04:12:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3604 states, 3599 states have (on average 1.3631564323423173) internal successors, (4906), 3599 states have internal predecessors, (4906), 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 04:12:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4910 transitions. [2022-04-05 04:12:50,845 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4910 transitions. Word has length 338 [2022-04-05 04:12:50,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:50,845 INFO L478 AbstractCegarLoop]: Abstraction has 3604 states and 4910 transitions. [2022-04-05 04:12:50,846 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 04:12:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4910 transitions. [2022-04-05 04:12:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-04-05 04:12:50,853 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:50,853 INFO L499 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 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, 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] [2022-04-05 04:12:50,853 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-05 04:12:50,853 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:50,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:50,854 INFO L85 PathProgramCache]: Analyzing trace with hash -732748657, now seen corresponding path program 1 times [2022-04-05 04:12:50,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:50,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465803362] [2022-04-05 04:12:50,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:50,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 869 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-04-05 04:12:50,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:50,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465803362] [2022-04-05 04:12:50,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465803362] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:50,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:50,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:50,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812579181] [2022-04-05 04:12:50,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:50,911 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:50,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:50,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:50,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:50,912 INFO L87 Difference]: Start difference. First operand 3604 states and 4910 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 2 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 04:12:51,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:51,072 INFO L93 Difference]: Finished difference Result 6668 states and 9031 transitions. [2022-04-05 04:12:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:51,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 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 339 [2022-04-05 04:12:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:51,084 INFO L225 Difference]: With dead ends: 6668 [2022-04-05 04:12:51,084 INFO L226 Difference]: Without dead ends: 6668 [2022-04-05 04:12:51,084 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 04:12:51,084 INFO L913 BasicCegarLoop]: 285 mSDtfsCounter, 282 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:51,085 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 292 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:51,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-04-05 04:12:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6666. [2022-04-05 04:12:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6666 states, 6661 states have (on average 1.3550517940249212) internal successors, (9026), 6661 states have internal predecessors, (9026), 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 04:12:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 9030 transitions. [2022-04-05 04:12:51,173 INFO L78 Accepts]: Start accepts. Automaton has 6666 states and 9030 transitions. Word has length 339 [2022-04-05 04:12:51,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:51,174 INFO L478 AbstractCegarLoop]: Abstraction has 6666 states and 9030 transitions. [2022-04-05 04:12:51,174 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 1 states have call successors, (3), 2 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 04:12:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 6666 states and 9030 transitions. [2022-04-05 04:12:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-04-05 04:12:51,182 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:51,182 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:12:51,183 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-05 04:12:51,183 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:51,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:51,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1470237842, now seen corresponding path program 1 times [2022-04-05 04:12:51,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:51,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587891084] [2022-04-05 04:12:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:51,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-05 04:12:51,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:51,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587891084] [2022-04-05 04:12:51,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587891084] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:51,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610955174] [2022-04-05 04:12:51,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:51,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:51,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:51,243 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 04:12:51,263 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 04:12:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:51,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:51,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-05 04:12:51,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:12:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 790 proven. 12 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-05 04:12:52,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610955174] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:12:52,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:12:52,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-05 04:12:52,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762801304] [2022-04-05 04:12:52,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:12:52,172 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 04:12:52,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:52,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 04:12:52,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-05 04:12:52,173 INFO L87 Difference]: Start difference. First operand 6666 states and 9030 transitions. Second operand has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 6 states have internal predecessors, (230), 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 04:12:52,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:52,751 INFO L93 Difference]: Finished difference Result 8867 states and 11594 transitions. [2022-04-05 04:12:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-05 04:12:52,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 6 states have internal predecessors, (230), 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 349 [2022-04-05 04:12:52,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:52,765 INFO L225 Difference]: With dead ends: 8867 [2022-04-05 04:12:52,765 INFO L226 Difference]: Without dead ends: 8859 [2022-04-05 04:12:52,766 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 703 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 04:12:52,766 INFO L913 BasicCegarLoop]: 342 mSDtfsCounter, 506 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:52,766 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [506 Valid, 359 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-05 04:12:52,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8859 states. [2022-04-05 04:12:52,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8859 to 6678. [2022-04-05 04:12:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6678 states, 6673 states have (on average 1.3094560167840552) internal successors, (8738), 6673 states have internal predecessors, (8738), 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 04:12:52,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 8742 transitions. [2022-04-05 04:12:52,848 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 8742 transitions. Word has length 349 [2022-04-05 04:12:52,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:52,849 INFO L478 AbstractCegarLoop]: Abstraction has 6678 states and 8742 transitions. [2022-04-05 04:12:52,849 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 6 states have internal predecessors, (230), 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 04:12:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 8742 transitions. [2022-04-05 04:12:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-04-05 04:12:52,870 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:52,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:12:52,905 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 04:12:53,075 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,SelfDestructingSolverStorable28 [2022-04-05 04:12:53,075 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1965032719, now seen corresponding path program 1 times [2022-04-05 04:12:53,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:53,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432263903] [2022-04-05 04:12:53,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:12:53,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:53,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432263903] [2022-04-05 04:12:53,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432263903] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:53,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895700356] [2022-04-05 04:12:53,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:53,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:53,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:53,148 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 04:12:53,149 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 04:12:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:53,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:53,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:12:53,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:12:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 953 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-05 04:12:54,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895700356] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:12:54,085 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:12:54,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-05 04:12:54,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146389014] [2022-04-05 04:12:54,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:12:54,086 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 04:12:54,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:54,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 04:12:54,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-05 04:12:54,087 INFO L87 Difference]: Start difference. First operand 6678 states and 8742 transitions. Second operand has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 6 states have internal predecessors, (229), 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 04:12:54,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:54,442 INFO L93 Difference]: Finished difference Result 8281 states and 10773 transitions. [2022-04-05 04:12:54,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:54,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 6 states have internal predecessors, (229), 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 375 [2022-04-05 04:12:54,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:54,454 INFO L225 Difference]: With dead ends: 8281 [2022-04-05 04:12:54,455 INFO L226 Difference]: Without dead ends: 8264 [2022-04-05 04:12:54,455 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-05 04:12:54,455 INFO L913 BasicCegarLoop]: 233 mSDtfsCounter, 399 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:54,456 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 255 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:12:54,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8264 states. [2022-04-05 04:12:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8264 to 6643. [2022-04-05 04:12:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6643 states, 6638 states have (on average 1.2967761373907805) internal successors, (8608), 6638 states have internal predecessors, (8608), 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 04:12:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6643 states to 6643 states and 8612 transitions. [2022-04-05 04:12:54,522 INFO L78 Accepts]: Start accepts. Automaton has 6643 states and 8612 transitions. Word has length 375 [2022-04-05 04:12:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:54,523 INFO L478 AbstractCegarLoop]: Abstraction has 6643 states and 8612 transitions. [2022-04-05 04:12:54,523 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.714285714285715) internal successors, (229), 6 states have internal predecessors, (229), 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 04:12:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 6643 states and 8612 transitions. [2022-04-05 04:12:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-04-05 04:12:54,531 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:54,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:12:54,552 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 04:12:54,752 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:54,752 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:54,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:54,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1214695079, now seen corresponding path program 1 times [2022-04-05 04:12:54,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:54,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623346134] [2022-04-05 04:12:54,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:54,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 883 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-04-05 04:12:54,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:54,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623346134] [2022-04-05 04:12:54,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623346134] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:54,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 04:12:54,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 04:12:54,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142798285] [2022-04-05 04:12:54,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:54,826 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 04:12:54,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:54,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 04:12:54,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 04:12:54,827 INFO L87 Difference]: Start difference. First operand 6643 states and 8612 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (3), 2 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 04:12:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:54,964 INFO L93 Difference]: Finished difference Result 6257 states and 8078 transitions. [2022-04-05 04:12:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 04:12:54,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (3), 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 414 [2022-04-05 04:12:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:54,968 INFO L225 Difference]: With dead ends: 6257 [2022-04-05 04:12:54,968 INFO L226 Difference]: Without dead ends: 3467 [2022-04-05 04:12:54,968 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 04:12:54,969 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 178 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:54,969 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 192 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 04:12:54,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-04-05 04:12:54,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3393. [2022-04-05 04:12:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 3388 states have (on average 1.3122786304604486) internal successors, (4446), 3388 states have internal predecessors, (4446), 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 04:12:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4450 transitions. [2022-04-05 04:12:54,998 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4450 transitions. Word has length 414 [2022-04-05 04:12:54,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:54,998 INFO L478 AbstractCegarLoop]: Abstraction has 3393 states and 4450 transitions. [2022-04-05 04:12:54,998 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 3 states have internal predecessors, (158), 1 states have call successors, (3), 2 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 04:12:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4450 transitions. [2022-04-05 04:12:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-04-05 04:12:55,006 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:55,007 INFO L499 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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: SelfDestructingSolverStorable30 [2022-04-05 04:12:55,007 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:55,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:55,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1738124885, now seen corresponding path program 1 times [2022-04-05 04:12:55,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:55,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238204537] [2022-04-05 04:12:55,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:55,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:55,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1570 proven. 14 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-04-05 04:12:55,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:55,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238204537] [2022-04-05 04:12:55,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238204537] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:55,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508170864] [2022-04-05 04:12:55,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:55,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:55,081 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 04:12:55,082 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 04:12:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:55,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:55,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1017 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-04-05 04:12:55,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-05 04:12:55,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508170864] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 04:12:55,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-05 04:12:55,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-05 04:12:55,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496529812] [2022-04-05 04:12:55,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 04:12:55,744 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 04:12:55,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:55,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 04:12:55,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 04:12:55,744 INFO L87 Difference]: Start difference. First operand 3393 states and 4450 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 04:12:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:55,757 INFO L93 Difference]: Finished difference Result 3671 states and 4828 transitions. [2022-04-05 04:12:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 04:12:55,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 498 [2022-04-05 04:12:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:55,762 INFO L225 Difference]: With dead ends: 3671 [2022-04-05 04:12:55,762 INFO L226 Difference]: Without dead ends: 3671 [2022-04-05 04:12:55,763 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 499 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 04:12:55,764 INFO L913 BasicCegarLoop]: 272 mSDtfsCounter, 60 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 397 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 04:12:55,764 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 397 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 04:12:55,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2022-04-05 04:12:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3319. [2022-04-05 04:12:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3319 states, 3314 states have (on average 1.3138201569100785) internal successors, (4354), 3314 states have internal predecessors, (4354), 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 04:12:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 3319 states and 4358 transitions. [2022-04-05 04:12:55,795 INFO L78 Accepts]: Start accepts. Automaton has 3319 states and 4358 transitions. Word has length 498 [2022-04-05 04:12:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:55,796 INFO L478 AbstractCegarLoop]: Abstraction has 3319 states and 4358 transitions. [2022-04-05 04:12:55,796 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 04:12:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 4358 transitions. [2022-04-05 04:12:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-04-05 04:12:55,821 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 04:12:55,822 INFO L499 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 20, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:55,862 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 04:12:56,031 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:56,032 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 04:12:56,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 04:12:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash -113784954, now seen corresponding path program 1 times [2022-04-05 04:12:56,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 04:12:56,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226686701] [2022-04-05 04:12:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:56,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 04:12:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 04:12:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-04-05 04:12:56,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 04:12:56,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226686701] [2022-04-05 04:12:56,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226686701] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 04:12:56,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523952909] [2022-04-05 04:12:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 04:12:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 04:12:56,123 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 04:12:56,124 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 04:12:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 04:12:56,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-05 04:12:56,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 04:12:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-04-05 04:12:56,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 04:12:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3925 backedges. 2052 proven. 14 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-04-05 04:12:57,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523952909] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 04:12:57,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 04:12:57,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-05 04:12:57,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696099910] [2022-04-05 04:12:57,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 04:12:57,538 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-05 04:12:57,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 04:12:57,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-05 04:12:57,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-05 04:12:57,538 INFO L87 Difference]: Start difference. First operand 3319 states and 4358 transitions. Second operand has 9 states, 9 states have (on average 36.22222222222222) internal successors, (326), 8 states have internal predecessors, (326), 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 04:12:57,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 04:12:57,914 INFO L93 Difference]: Finished difference Result 1101 states and 1393 transitions. [2022-04-05 04:12:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-05 04:12:57,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.22222222222222) internal successors, (326), 8 states have internal predecessors, (326), 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 610 [2022-04-05 04:12:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 04:12:57,914 INFO L225 Difference]: With dead ends: 1101 [2022-04-05 04:12:57,915 INFO L226 Difference]: Without dead ends: 0 [2022-04-05 04:12:57,915 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 1221 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 04:12:57,915 INFO L913 BasicCegarLoop]: 155 mSDtfsCounter, 282 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 04:12:57,915 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 182 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 04:12:57,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-05 04:12:57,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-05 04:12:57,916 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 04:12:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-05 04:12:57,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 610 [2022-04-05 04:12:57,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 04:12:57,916 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-05 04:12:57,916 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.22222222222222) internal successors, (326), 8 states have internal predecessors, (326), 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 04:12:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-05 04:12:57,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-05 04:12:57,918 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-05 04:12:57,944 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 04:12:58,119 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 04:12:58,121 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 04:12:58,122 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-05 04:12:58,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:12:58 BasicIcfg [2022-04-05 04:12:58,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-05 04:12:58,124 INFO L158 Benchmark]: Toolchain (without parser) took 15652.41ms. Allocated memory was 188.7MB in the beginning and 398.5MB in the end (delta: 209.7MB). Free memory was 137.5MB in the beginning and 142.3MB in the end (delta: -4.8MB). Peak memory consumption was 206.0MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,124 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 04:12:58,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.94ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 160.7MB in the end (delta: -23.4MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,124 INFO L158 Benchmark]: Boogie Preprocessor took 40.90ms. Allocated memory is still 188.7MB. Free memory was 160.7MB in the beginning and 158.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,124 INFO L158 Benchmark]: RCFGBuilder took 520.79ms. Allocated memory is still 188.7MB. Free memory was 158.3MB in the beginning and 133.7MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,124 INFO L158 Benchmark]: IcfgTransformer took 42.72ms. Allocated memory is still 188.7MB. Free memory was 133.7MB in the beginning and 130.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,125 INFO L158 Benchmark]: TraceAbstraction took 14736.98ms. Allocated memory was 188.7MB in the beginning and 398.5MB in the end (delta: 209.7MB). Free memory was 130.0MB in the beginning and 142.3MB in the end (delta: -12.3MB). Peak memory consumption was 198.5MB. Max. memory is 8.0GB. [2022-04-05 04:12:58,125 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 188.7MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 306.94ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 160.7MB in the end (delta: -23.4MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.90ms. Allocated memory is still 188.7MB. Free memory was 160.7MB in the beginning and 158.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 520.79ms. Allocated memory is still 188.7MB. Free memory was 158.3MB in the beginning and 133.7MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * IcfgTransformer took 42.72ms. Allocated memory is still 188.7MB. Free memory was 133.7MB in the beginning and 130.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14736.98ms. Allocated memory was 188.7MB in the beginning and 398.5MB in the end (delta: 209.7MB). Free memory was 130.0MB in the beginning and 142.3MB in the end (delta: -12.3MB). Peak memory consumption was 198.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 618]: 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, 133 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 33, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13200 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13200 mSDsluCounter, 6235 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 528 mSDsCounter, 1130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8526 IncrementalHoareTripleChecker+Invalid, 9656 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1130 mSolverCounterUnsat, 5707 mSDtfsCounter, 8526 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3448 GetRequests, 3277 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6678occurred in iteration=29, InterpolantAutomatonStates: 165, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 33 MinimizatonAttempts, 4846 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 8180 NumberOfCodeBlocks, 8180 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 9474 ConstructedInterpolants, 0 QuantifiedInterpolants, 13474 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3347 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 40 InterpolantComputations, 30 PerfectInterpolantSequences, 38989/39096 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 04:12:58,150 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...