/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 13:38:35,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 13:38:35,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 13:38:35,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 13:38:35,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 13:38:35,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 13:38:35,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 13:38:35,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 13:38:35,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 13:38:35,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 13:38:35,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 13:38:35,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 13:38:35,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 13:38:35,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 13:38:35,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 13:38:35,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 13:38:35,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 13:38:35,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 13:38:35,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 13:38:35,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 13:38:35,060 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 13:38:35,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 13:38:35,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 13:38:35,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 13:38:35,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 13:38:35,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-06 13:38:35,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-06 13:38:35,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-06 13:38:35,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-06 13:38:35,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-06 13:38:35,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-06 13:38:35,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-06 13:38:35,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-06 13:38:35,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-06 13:38:35,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-06 13:38:35,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-06 13:38:35,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-06 13:38:35,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-06 13:38:35,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-06 13:38:35,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 13:38:35,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 13:38:35,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 13:38:35,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-06 13:38:35,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 13:38:35,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 13:38:35,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-06 13:38:35,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-06 13:38:35,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-06 13:38:35,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-06 13:38:35,096 INFO L138 SettingsManager]: * Use SBE=true [2022-04-06 13:38:35,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 13:38:35,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 13:38:35,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 13:38:35,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 13:38:35,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 13:38:35,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 13:38:35,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 13:38:35,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 13:38:35,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 13:38:35,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 13:38:35,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 13:38:35,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 13:38:35,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:38:35,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 13:38:35,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-06 13:38:35,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-06 13:38:35,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 13:38:35,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-06 13:38:35,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-06 13:38:35,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-06 13:38:35,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-06 13:38:35,099 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 13:38:35,099 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 13:38:35,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 13:38:35,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 13:38:35,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 13:38:35,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 13:38:35,320 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 13:38:35,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-04-06 13:38:35,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee894bf62/f2fcd1659ff546ebb2404da136023304/FLAG762c65d5e [2022-04-06 13:38:35,788 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 13:38:35,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-04-06 13:38:35,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee894bf62/f2fcd1659ff546ebb2404da136023304/FLAG762c65d5e [2022-04-06 13:38:35,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee894bf62/f2fcd1659ff546ebb2404da136023304 [2022-04-06 13:38:35,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 13:38:35,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 13:38:35,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 13:38:35,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 13:38:35,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 13:38:35,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:38:35" (1/1) ... [2022-04-06 13:38:35,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b4ca50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:35, skipping insertion in model container [2022-04-06 13:38:35,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 01:38:35" (1/1) ... [2022-04-06 13:38:35,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 13:38:35,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 13:38:36,028 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_4.cil-1.c[35886,35899] [2022-04-06 13:38:36,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:38:36,038 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 13:38:36,068 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_4.cil-1.c[35886,35899] [2022-04-06 13:38:36,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 13:38:36,083 INFO L208 MainTranslator]: Completed translation [2022-04-06 13:38:36,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36 WrapperNode [2022-04-06 13:38:36,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 13:38:36,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 13:38:36,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 13:38:36,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 13:38:36,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 13:38:36,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 13:38:36,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 13:38:36,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 13:38:36,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 13:38:36,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:36,181 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) [2022-04-06 13:38:36,200 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 [2022-04-06 13:38:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 13:38:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 13:38:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 13:38:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-04-06 13:38:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 13:38:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 13:38:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 13:38:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 13:38:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 13:38:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-06 13:38:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-06 13:38:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-06 13:38:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-04-06 13:38:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 13:38:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 13:38:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 13:38:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 13:38:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 13:38:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 13:38:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 13:38:36,305 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 13:38:36,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 13:38:36,393 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-06 13:38:36,705 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-04-06 13:38:36,705 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-04-06 13:38:36,707 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 13:38:36,713 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 13:38:36,713 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 13:38:36,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:38:36 BoogieIcfgContainer [2022-04-06 13:38:36,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 13:38:36,715 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 13:38:36,716 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 13:38:36,719 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 13:38:36,727 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:38:36" (1/1) ... [2022-04-06 13:38:36,729 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-06 13:38:36,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:38:36 BasicIcfg [2022-04-06 13:38:36,776 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 13:38:36,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 13:38:36,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 13:38:36,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 13:38:36,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 01:38:35" (1/4) ... [2022-04-06 13:38:36,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e7f329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:38:36, skipping insertion in model container [2022-04-06 13:38:36,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 01:38:36" (2/4) ... [2022-04-06 13:38:36,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e7f329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 01:38:36, skipping insertion in model container [2022-04-06 13:38:36,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 01:38:36" (3/4) ... [2022-04-06 13:38:36,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e7f329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:38:36, skipping insertion in model container [2022-04-06 13:38:36,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 01:38:36" (4/4) ... [2022-04-06 13:38:36,784 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.cqvasr [2022-04-06 13:38:36,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-06 13:38:36,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 13:38:36,821 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 13:38:36,826 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2022-04-06 13:38:36,826 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 13:38:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-06 13:38:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-06 13:38:36,852 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:36,852 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] [2022-04-06 13:38:36,853 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:36,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1413612036, now seen corresponding path program 1 times [2022-04-06 13:38:36,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:36,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922994214] [2022-04-06 13:38:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:36,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:38:37,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:37,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922994214] [2022-04-06 13:38:37,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922994214] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:37,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:37,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:37,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043804823] [2022-04-06 13:38:37,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:37,113 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:37,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:37,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:37,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:37,146 INFO L87 Difference]: Start difference. First operand has 137 states, 129 states have (on average 1.697674418604651) internal successors, (219), 130 states have internal predecessors, (219), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:37,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:37,443 INFO L93 Difference]: Finished difference Result 376 states and 631 transitions. [2022-04-06 13:38:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:37,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-04-06 13:38:37,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:37,462 INFO L225 Difference]: With dead ends: 376 [2022-04-06 13:38:37,462 INFO L226 Difference]: Without dead ends: 219 [2022-04-06 13:38:37,467 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 [2022-04-06 13:38:37,471 INFO L913 BasicCegarLoop]: 215 mSDtfsCounter, 578 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:37,472 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 224 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:38:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-04-06 13:38:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-04-06 13:38:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 214 states have (on average 1.4906542056074767) internal successors, (319), 214 states have internal predecessors, (319), 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) [2022-04-06 13:38:37,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 323 transitions. [2022-04-06 13:38:37,521 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 323 transitions. Word has length 30 [2022-04-06 13:38:37,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:37,521 INFO L478 AbstractCegarLoop]: Abstraction has 219 states and 323 transitions. [2022-04-06 13:38:37,521 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-04-06 13:38:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-06 13:38:37,523 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:37,523 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:37,523 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 13:38:37,523 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:37,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:37,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1163877785, now seen corresponding path program 1 times [2022-04-06 13:38:37,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:37,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526398740] [2022-04-06 13:38:37,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:37,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:38:37,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:37,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526398740] [2022-04-06 13:38:37,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526398740] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:37,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:37,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:37,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108412672] [2022-04-06 13:38:37,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:37,612 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:37,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:37,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:37,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:37,613 INFO L87 Difference]: Start difference. First operand 219 states and 323 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:37,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:37,820 INFO L93 Difference]: Finished difference Result 349 states and 522 transitions. [2022-04-06 13:38:37,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:37,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-04-06 13:38:37,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:37,823 INFO L225 Difference]: With dead ends: 349 [2022-04-06 13:38:37,823 INFO L226 Difference]: Without dead ends: 244 [2022-04-06 13:38:37,827 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 [2022-04-06 13:38:37,828 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 189 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:37,828 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:38:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-04-06 13:38:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2022-04-06 13:38:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 231 states have internal predecessors, (341), 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) [2022-04-06 13:38:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 345 transitions. [2022-04-06 13:38:37,847 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 345 transitions. Word has length 44 [2022-04-06 13:38:37,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:37,848 INFO L478 AbstractCegarLoop]: Abstraction has 236 states and 345 transitions. [2022-04-06 13:38:37,848 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 345 transitions. [2022-04-06 13:38:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:38:37,849 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:37,850 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:37,850 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-06 13:38:37,850 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:37,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash 10851448, now seen corresponding path program 1 times [2022-04-06 13:38:37,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:37,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159090636] [2022-04-06 13:38:37,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-06 13:38:37,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:37,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159090636] [2022-04-06 13:38:37,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159090636] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:37,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:37,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:37,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909553349] [2022-04-06 13:38:37,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:37,939 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:37,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:37,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:37,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:37,940 INFO L87 Difference]: Start difference. First operand 236 states and 345 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:38,096 INFO L93 Difference]: Finished difference Result 379 states and 553 transitions. [2022-04-06 13:38:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:38,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-06 13:38:38,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:38,098 INFO L225 Difference]: With dead ends: 379 [2022-04-06 13:38:38,098 INFO L226 Difference]: Without dead ends: 257 [2022-04-06 13:38:38,099 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 [2022-04-06 13:38:38,100 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:38,100 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 204 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:38,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-04-06 13:38:38,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2022-04-06 13:38:38,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.4603174603174602) internal successors, (368), 252 states have internal predecessors, (368), 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) [2022-04-06 13:38:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 372 transitions. [2022-04-06 13:38:38,109 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 372 transitions. Word has length 61 [2022-04-06 13:38:38,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:38,109 INFO L478 AbstractCegarLoop]: Abstraction has 257 states and 372 transitions. [2022-04-06 13:38:38,110 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 372 transitions. [2022-04-06 13:38:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:38:38,111 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:38,111 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:38,111 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-06 13:38:38,112 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:38,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:38,112 INFO L85 PathProgramCache]: Analyzing trace with hash 2088060791, now seen corresponding path program 1 times [2022-04-06 13:38:38,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:38,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836699880] [2022-04-06 13:38:38,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-06 13:38:38,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:38,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836699880] [2022-04-06 13:38:38,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836699880] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:38,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:38,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:38,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792948338] [2022-04-06 13:38:38,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:38,169 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:38,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:38,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:38,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:38,170 INFO L87 Difference]: Start difference. First operand 257 states and 372 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:38,367 INFO L93 Difference]: Finished difference Result 603 states and 905 transitions. [2022-04-06 13:38:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:38,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-06 13:38:38,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:38,369 INFO L225 Difference]: With dead ends: 603 [2022-04-06 13:38:38,370 INFO L226 Difference]: Without dead ends: 357 [2022-04-06 13:38:38,370 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 [2022-04-06 13:38:38,377 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:38,377 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 204 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:38:38,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-04-06 13:38:38,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 339. [2022-04-06 13:38:38,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 334 states have (on average 1.401197604790419) internal successors, (468), 334 states have internal predecessors, (468), 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) [2022-04-06 13:38:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 472 transitions. [2022-04-06 13:38:38,388 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 472 transitions. Word has length 61 [2022-04-06 13:38:38,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:38,388 INFO L478 AbstractCegarLoop]: Abstraction has 339 states and 472 transitions. [2022-04-06 13:38:38,388 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 472 transitions. [2022-04-06 13:38:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-06 13:38:38,390 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:38,390 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:38,390 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-06 13:38:38,390 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:38,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:38,391 INFO L85 PathProgramCache]: Analyzing trace with hash -962142024, now seen corresponding path program 1 times [2022-04-06 13:38:38,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:38,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865336945] [2022-04-06 13:38:38,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:38,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-06 13:38:38,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:38,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865336945] [2022-04-06 13:38:38,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865336945] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:38,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:38,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:38,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83614166] [2022-04-06 13:38:38,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:38,430 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:38,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:38,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:38,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:38,430 INFO L87 Difference]: Start difference. First operand 339 states and 472 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:38,593 INFO L93 Difference]: Finished difference Result 715 states and 1011 transitions. [2022-04-06 13:38:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:38,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-06 13:38:38,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:38,596 INFO L225 Difference]: With dead ends: 715 [2022-04-06 13:38:38,596 INFO L226 Difference]: Without dead ends: 389 [2022-04-06 13:38:38,597 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-06 13:38:38,597 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 195 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:38,598 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 194 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:38,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-04-06 13:38:38,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 377. [2022-04-06 13:38:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 372 states have (on average 1.3870967741935485) internal successors, (516), 372 states have internal predecessors, (516), 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) [2022-04-06 13:38:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 520 transitions. [2022-04-06 13:38:38,611 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 520 transitions. Word has length 61 [2022-04-06 13:38:38,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:38,612 INFO L478 AbstractCegarLoop]: Abstraction has 377 states and 520 transitions. [2022-04-06 13:38:38,613 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 520 transitions. [2022-04-06 13:38:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-04-06 13:38:38,615 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:38,616 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:38,616 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-06 13:38:38,616 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:38,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2121066996, now seen corresponding path program 1 times [2022-04-06 13:38:38,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:38,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941283380] [2022-04-06 13:38:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-06 13:38:38,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:38,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941283380] [2022-04-06 13:38:38,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941283380] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:38,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:38,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:38,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457050164] [2022-04-06 13:38:38,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:38,698 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:38,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:38,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:38,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:38,699 INFO L87 Difference]: Start difference. First operand 377 states and 520 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:38,846 INFO L93 Difference]: Finished difference Result 847 states and 1207 transitions. [2022-04-06 13:38:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:38,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-06 13:38:38,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:38,848 INFO L225 Difference]: With dead ends: 847 [2022-04-06 13:38:38,848 INFO L226 Difference]: Without dead ends: 481 [2022-04-06 13:38:38,849 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 [2022-04-06 13:38:38,850 INFO L913 BasicCegarLoop]: 174 mSDtfsCounter, 295 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:38,850 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 181 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:38,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-04-06 13:38:38,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 455. [2022-04-06 13:38:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 450 states have (on average 1.4444444444444444) internal successors, (650), 450 states have internal predecessors, (650), 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) [2022-04-06 13:38:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 654 transitions. [2022-04-06 13:38:38,880 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 654 transitions. Word has length 74 [2022-04-06 13:38:38,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:38,881 INFO L478 AbstractCegarLoop]: Abstraction has 455 states and 654 transitions. [2022-04-06 13:38:38,881 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 654 transitions. [2022-04-06 13:38:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-06 13:38:38,883 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:38,883 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:38,883 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-06 13:38:38,883 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:38,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:38,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1564650695, now seen corresponding path program 1 times [2022-04-06 13:38:38,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:38,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739674439] [2022-04-06 13:38:38,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:38,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-06 13:38:38,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:38,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739674439] [2022-04-06 13:38:38,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739674439] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:38,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:38,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:38,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820985909] [2022-04-06 13:38:38,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:38,936 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:38,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:38,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:38,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:38,936 INFO L87 Difference]: Start difference. First operand 455 states and 654 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:39,084 INFO L93 Difference]: Finished difference Result 945 states and 1368 transitions. [2022-04-06 13:38:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:39,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-04-06 13:38:39,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:39,088 INFO L225 Difference]: With dead ends: 945 [2022-04-06 13:38:39,088 INFO L226 Difference]: Without dead ends: 503 [2022-04-06 13:38:39,089 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 [2022-04-06 13:38:39,090 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:39,090 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 193 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:39,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-04-06 13:38:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2022-04-06 13:38:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 492 states have (on average 1.4268292682926829) internal successors, (702), 492 states have internal predecessors, (702), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 706 transitions. [2022-04-06 13:38:39,103 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 706 transitions. Word has length 78 [2022-04-06 13:38:39,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:39,104 INFO L478 AbstractCegarLoop]: Abstraction has 497 states and 706 transitions. [2022-04-06 13:38:39,104 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 706 transitions. [2022-04-06 13:38:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-04-06 13:38:39,105 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:39,105 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:39,105 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-06 13:38:39,106 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:39,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:39,106 INFO L85 PathProgramCache]: Analyzing trace with hash -540847427, now seen corresponding path program 1 times [2022-04-06 13:38:39,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:39,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34078265] [2022-04-06 13:38:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:39,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-04-06 13:38:39,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:39,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34078265] [2022-04-06 13:38:39,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34078265] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:39,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:39,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:39,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964003197] [2022-04-06 13:38:39,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:39,180 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:39,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:39,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:39,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:39,180 INFO L87 Difference]: Start difference. First operand 497 states and 706 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:39,325 INFO L93 Difference]: Finished difference Result 998 states and 1423 transitions. [2022-04-06 13:38:39,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:39,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2022-04-06 13:38:39,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:39,328 INFO L225 Difference]: With dead ends: 998 [2022-04-06 13:38:39,329 INFO L226 Difference]: Without dead ends: 735 [2022-04-06 13:38:39,330 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 [2022-04-06 13:38:39,330 INFO L913 BasicCegarLoop]: 317 mSDtfsCounter, 294 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:39,332 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 324 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-04-06 13:38:39,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2022-04-06 13:38:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 730 states have (on average 1.4246575342465753) internal successors, (1040), 730 states have internal predecessors, (1040), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1044 transitions. [2022-04-06 13:38:39,348 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1044 transitions. Word has length 98 [2022-04-06 13:38:39,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:39,348 INFO L478 AbstractCegarLoop]: Abstraction has 735 states and 1044 transitions. [2022-04-06 13:38:39,348 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1044 transitions. [2022-04-06 13:38:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-06 13:38:39,353 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:39,354 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:39,354 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-06 13:38:39,354 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:39,355 INFO L85 PathProgramCache]: Analyzing trace with hash -700282458, now seen corresponding path program 1 times [2022-04-06 13:38:39,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:39,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963724797] [2022-04-06 13:38:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-06 13:38:39,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:39,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963724797] [2022-04-06 13:38:39,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963724797] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:39,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:39,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:39,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769268580] [2022-04-06 13:38:39,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:39,409 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:39,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:39,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:39,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:39,410 INFO L87 Difference]: Start difference. First operand 735 states and 1044 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:39,544 INFO L93 Difference]: Finished difference Result 977 states and 1391 transitions. [2022-04-06 13:38:39,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:39,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2022-04-06 13:38:39,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:39,548 INFO L225 Difference]: With dead ends: 977 [2022-04-06 13:38:39,548 INFO L226 Difference]: Without dead ends: 975 [2022-04-06 13:38:39,548 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 [2022-04-06 13:38:39,550 INFO L913 BasicCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:39,550 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 171 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:39,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-04-06 13:38:39,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 975. [2022-04-06 13:38:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 970 states have (on average 1.4278350515463918) internal successors, (1385), 970 states have internal predecessors, (1385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1389 transitions. [2022-04-06 13:38:39,570 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1389 transitions. Word has length 100 [2022-04-06 13:38:39,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:39,570 INFO L478 AbstractCegarLoop]: Abstraction has 975 states and 1389 transitions. [2022-04-06 13:38:39,570 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) [2022-04-06 13:38:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1389 transitions. [2022-04-06 13:38:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-04-06 13:38:39,572 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:39,573 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:39,573 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-06 13:38:39,573 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:39,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:39,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1475386212, now seen corresponding path program 1 times [2022-04-06 13:38:39,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:39,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530789794] [2022-04-06 13:38:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:39,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-04-06 13:38:39,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:39,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530789794] [2022-04-06 13:38:39,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530789794] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:39,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:39,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:39,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061110142] [2022-04-06 13:38:39,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:39,629 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:39,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:39,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:39,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:39,630 INFO L87 Difference]: Start difference. First operand 975 states and 1389 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:39,798 INFO L93 Difference]: Finished difference Result 2141 states and 3101 transitions. [2022-04-06 13:38:39,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:39,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 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 140 [2022-04-06 13:38:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:39,803 INFO L225 Difference]: With dead ends: 2141 [2022-04-06 13:38:39,803 INFO L226 Difference]: Without dead ends: 1171 [2022-04-06 13:38:39,805 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 [2022-04-06 13:38:39,805 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 234 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:39,806 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 204 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:39,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-04-06 13:38:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1131. [2022-04-06 13:38:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1126 states have (on average 1.4431616341030196) internal successors, (1625), 1126 states have internal predecessors, (1625), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1629 transitions. [2022-04-06 13:38:39,846 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1629 transitions. Word has length 140 [2022-04-06 13:38:39,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:39,846 INFO L478 AbstractCegarLoop]: Abstraction has 1131 states and 1629 transitions. [2022-04-06 13:38:39,846 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1629 transitions. [2022-04-06 13:38:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-04-06 13:38:39,848 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:39,849 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:39,849 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-06 13:38:39,849 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:39,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:39,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1543242522, now seen corresponding path program 1 times [2022-04-06 13:38:39,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:39,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084189081] [2022-04-06 13:38:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:39,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-04-06 13:38:39,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:39,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084189081] [2022-04-06 13:38:39,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084189081] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:39,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:39,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:39,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535084318] [2022-04-06 13:38:39,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:39,900 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:39,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:39,901 INFO L87 Difference]: Start difference. First operand 1131 states and 1629 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:40,055 INFO L93 Difference]: Finished difference Result 2355 states and 3371 transitions. [2022-04-06 13:38:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:40,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 176 [2022-04-06 13:38:40,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:40,059 INFO L225 Difference]: With dead ends: 2355 [2022-04-06 13:38:40,060 INFO L226 Difference]: Without dead ends: 1237 [2022-04-06 13:38:40,062 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 [2022-04-06 13:38:40,062 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:40,062 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 193 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:40,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2022-04-06 13:38:40,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1223. [2022-04-06 13:38:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1218 states have (on average 1.4261083743842364) internal successors, (1737), 1218 states have internal predecessors, (1737), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1741 transitions. [2022-04-06 13:38:40,085 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1741 transitions. Word has length 176 [2022-04-06 13:38:40,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:40,085 INFO L478 AbstractCegarLoop]: Abstraction has 1223 states and 1741 transitions. [2022-04-06 13:38:40,085 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1741 transitions. [2022-04-06 13:38:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-04-06 13:38:40,088 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:40,088 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:40,088 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-06 13:38:40,088 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:40,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:40,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1697427602, now seen corresponding path program 1 times [2022-04-06 13:38:40,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:40,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442481527] [2022-04-06 13:38:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:40,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-04-06 13:38:40,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:40,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442481527] [2022-04-06 13:38:40,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442481527] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:40,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:40,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:40,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846268122] [2022-04-06 13:38:40,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:40,144 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:40,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:40,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:40,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:40,145 INFO L87 Difference]: Start difference. First operand 1223 states and 1741 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:40,300 INFO L93 Difference]: Finished difference Result 2545 states and 3613 transitions. [2022-04-06 13:38:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:40,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 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 197 [2022-04-06 13:38:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:40,304 INFO L225 Difference]: With dead ends: 2545 [2022-04-06 13:38:40,304 INFO L226 Difference]: Without dead ends: 1335 [2022-04-06 13:38:40,306 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 [2022-04-06 13:38:40,307 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:40,307 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-04-06 13:38:40,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1323. [2022-04-06 13:38:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1318 states have (on average 1.4089529590288317) internal successors, (1857), 1318 states have internal predecessors, (1857), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1861 transitions. [2022-04-06 13:38:40,333 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1861 transitions. Word has length 197 [2022-04-06 13:38:40,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:40,334 INFO L478 AbstractCegarLoop]: Abstraction has 1323 states and 1861 transitions. [2022-04-06 13:38:40,334 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1861 transitions. [2022-04-06 13:38:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-04-06 13:38:40,337 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:40,337 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:40,337 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-06 13:38:40,337 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:40,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:40,338 INFO L85 PathProgramCache]: Analyzing trace with hash 413683819, now seen corresponding path program 1 times [2022-04-06 13:38:40,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:40,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99864469] [2022-04-06 13:38:40,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-04-06 13:38:40,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:40,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99864469] [2022-04-06 13:38:40,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99864469] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:40,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:40,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:40,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038131969] [2022-04-06 13:38:40,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:40,386 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:40,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:40,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:40,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:40,387 INFO L87 Difference]: Start difference. First operand 1323 states and 1861 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:40,558 INFO L93 Difference]: Finished difference Result 2753 states and 3865 transitions. [2022-04-06 13:38:40,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:40,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 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 221 [2022-04-06 13:38:40,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:40,562 INFO L225 Difference]: With dead ends: 2753 [2022-04-06 13:38:40,563 INFO L226 Difference]: Without dead ends: 1443 [2022-04-06 13:38:40,565 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 [2022-04-06 13:38:40,566 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:40,566 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-04-06 13:38:40,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1435. [2022-04-06 13:38:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1430 states have (on average 1.3909090909090909) internal successors, (1989), 1430 states have internal predecessors, (1989), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1993 transitions. [2022-04-06 13:38:40,600 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1993 transitions. Word has length 221 [2022-04-06 13:38:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:40,602 INFO L478 AbstractCegarLoop]: Abstraction has 1435 states and 1993 transitions. [2022-04-06 13:38:40,602 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1993 transitions. [2022-04-06 13:38:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-04-06 13:38:40,605 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:40,605 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:40,605 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-06 13:38:40,606 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:40,606 INFO L85 PathProgramCache]: Analyzing trace with hash 929204268, now seen corresponding path program 1 times [2022-04-06 13:38:40,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:40,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867444466] [2022-04-06 13:38:40,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:40,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-04-06 13:38:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:40,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867444466] [2022-04-06 13:38:40,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867444466] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:40,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:40,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:40,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894175625] [2022-04-06 13:38:40,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:40,660 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:40,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:40,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:40,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:40,660 INFO L87 Difference]: Start difference. First operand 1435 states and 1993 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:40,830 INFO L93 Difference]: Finished difference Result 2993 states and 4165 transitions. [2022-04-06 13:38:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:40,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 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 221 [2022-04-06 13:38:40,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:40,835 INFO L225 Difference]: With dead ends: 2993 [2022-04-06 13:38:40,836 INFO L226 Difference]: Without dead ends: 1571 [2022-04-06 13:38:40,838 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 [2022-04-06 13:38:40,838 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:40,838 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 194 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:40,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2022-04-06 13:38:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1559. [2022-04-06 13:38:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1554 states have (on average 1.3725868725868726) internal successors, (2133), 1554 states have internal predecessors, (2133), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2137 transitions. [2022-04-06 13:38:40,871 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2137 transitions. Word has length 221 [2022-04-06 13:38:40,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:40,872 INFO L478 AbstractCegarLoop]: Abstraction has 1559 states and 2137 transitions. [2022-04-06 13:38:40,872 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2137 transitions. [2022-04-06 13:38:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-04-06 13:38:40,875 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:40,875 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:40,875 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-06 13:38:40,875 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:40,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:40,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1406706202, now seen corresponding path program 1 times [2022-04-06 13:38:40,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:40,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705795091] [2022-04-06 13:38:40,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:40,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-04-06 13:38:40,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:40,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705795091] [2022-04-06 13:38:40,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705795091] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:40,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:40,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:40,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999126216] [2022-04-06 13:38:40,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:40,935 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:40,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:40,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:40,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:40,935 INFO L87 Difference]: Start difference. First operand 1559 states and 2137 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:41,101 INFO L93 Difference]: Finished difference Result 4647 states and 6373 transitions. [2022-04-06 13:38:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:41,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 251 [2022-04-06 13:38:41,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:41,111 INFO L225 Difference]: With dead ends: 4647 [2022-04-06 13:38:41,111 INFO L226 Difference]: Without dead ends: 3101 [2022-04-06 13:38:41,116 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 [2022-04-06 13:38:41,117 INFO L913 BasicCegarLoop]: 326 mSDtfsCounter, 299 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:41,117 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [299 Valid, 333 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:41,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-04-06 13:38:41,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3099. [2022-04-06 13:38:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3094 states have (on average 1.3716871363930188) internal successors, (4244), 3094 states have internal predecessors, (4244), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4248 transitions. [2022-04-06 13:38:41,181 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4248 transitions. Word has length 251 [2022-04-06 13:38:41,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:41,181 INFO L478 AbstractCegarLoop]: Abstraction has 3099 states and 4248 transitions. [2022-04-06 13:38:41,182 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4248 transitions. [2022-04-06 13:38:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-04-06 13:38:41,186 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:41,187 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:41,187 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-06 13:38:41,187 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:41,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1922226651, now seen corresponding path program 1 times [2022-04-06 13:38:41,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:41,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120104971] [2022-04-06 13:38:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:41,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-04-06 13:38:41,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:41,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120104971] [2022-04-06 13:38:41,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120104971] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:41,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:41,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:41,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793760566] [2022-04-06 13:38:41,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:41,258 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:41,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:41,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:41,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:41,259 INFO L87 Difference]: Start difference. First operand 3099 states and 4248 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:41,443 INFO L93 Difference]: Finished difference Result 6485 states and 8923 transitions. [2022-04-06 13:38:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:41,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 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 251 [2022-04-06 13:38:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:41,453 INFO L225 Difference]: With dead ends: 6485 [2022-04-06 13:38:41,453 INFO L226 Difference]: Without dead ends: 3399 [2022-04-06 13:38:41,458 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 [2022-04-06 13:38:41,459 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:41,459 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 194 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:41,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2022-04-06 13:38:41,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3383. [2022-04-06 13:38:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3383 states, 3378 states have (on average 1.3522794552989934) internal successors, (4568), 3378 states have internal predecessors, (4568), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4572 transitions. [2022-04-06 13:38:41,526 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4572 transitions. Word has length 251 [2022-04-06 13:38:41,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:41,527 INFO L478 AbstractCegarLoop]: Abstraction has 3383 states and 4572 transitions. [2022-04-06 13:38:41,527 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4572 transitions. [2022-04-06 13:38:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-04-06 13:38:41,532 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:41,532 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:41,532 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-06 13:38:41,533 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:41,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:41,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1671940338, now seen corresponding path program 1 times [2022-04-06 13:38:41,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:41,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12473487] [2022-04-06 13:38:41,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:41,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-04-06 13:38:41,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:41,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12473487] [2022-04-06 13:38:41,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12473487] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:41,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:41,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:41,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236375160] [2022-04-06 13:38:41,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:41,590 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:41,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:41,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:41,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:41,591 INFO L87 Difference]: Start difference. First operand 3383 states and 4572 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:41,775 INFO L93 Difference]: Finished difference Result 6901 states and 9339 transitions. [2022-04-06 13:38:41,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:41,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 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 275 [2022-04-06 13:38:41,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:41,786 INFO L225 Difference]: With dead ends: 6901 [2022-04-06 13:38:41,786 INFO L226 Difference]: Without dead ends: 3531 [2022-04-06 13:38:41,792 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 [2022-04-06 13:38:41,793 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:41,793 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-04-06 13:38:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3515. [2022-04-06 13:38:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3510 states have (on average 1.3447293447293447) internal successors, (4720), 3510 states have internal predecessors, (4720), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4724 transitions. [2022-04-06 13:38:41,895 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4724 transitions. Word has length 275 [2022-04-06 13:38:41,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:41,896 INFO L478 AbstractCegarLoop]: Abstraction has 3515 states and 4724 transitions. [2022-04-06 13:38:41,896 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:41,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4724 transitions. [2022-04-06 13:38:41,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-04-06 13:38:41,901 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:41,901 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:41,901 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-06 13:38:41,902 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:41,902 INFO L85 PathProgramCache]: Analyzing trace with hash -950820203, now seen corresponding path program 1 times [2022-04-06 13:38:41,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:41,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211051890] [2022-04-06 13:38:41,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:41,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-04-06 13:38:41,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:41,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211051890] [2022-04-06 13:38:41,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211051890] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:41,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:41,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:41,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018117582] [2022-04-06 13:38:41,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:41,955 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:41,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:41,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:41,955 INFO L87 Difference]: Start difference. First operand 3515 states and 4724 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:42,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:42,136 INFO L93 Difference]: Finished difference Result 7417 states and 10103 transitions. [2022-04-06 13:38:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:42,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 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 286 [2022-04-06 13:38:42,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:42,148 INFO L225 Difference]: With dead ends: 7417 [2022-04-06 13:38:42,148 INFO L226 Difference]: Without dead ends: 3915 [2022-04-06 13:38:42,154 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 [2022-04-06 13:38:42,154 INFO L913 BasicCegarLoop]: 187 mSDtfsCounter, 228 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:42,154 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 194 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:42,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2022-04-06 13:38:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3827. [2022-04-06 13:38:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 3822 states have (on average 1.3312401883830456) internal successors, (5088), 3822 states have internal predecessors, (5088), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5092 transitions. [2022-04-06 13:38:42,228 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5092 transitions. Word has length 286 [2022-04-06 13:38:42,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:42,228 INFO L478 AbstractCegarLoop]: Abstraction has 3827 states and 5092 transitions. [2022-04-06 13:38:42,228 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5092 transitions. [2022-04-06 13:38:42,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-04-06 13:38:42,234 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:42,234 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:42,234 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-06 13:38:42,234 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:42,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:42,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2059706519, now seen corresponding path program 1 times [2022-04-06 13:38:42,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:42,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502252437] [2022-04-06 13:38:42,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:42,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-04-06 13:38:42,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:42,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502252437] [2022-04-06 13:38:42,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502252437] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:42,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:42,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:42,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190809028] [2022-04-06 13:38:42,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:42,283 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:42,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:42,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:42,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:42,283 INFO L87 Difference]: Start difference. First operand 3827 states and 5092 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:42,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:42,488 INFO L93 Difference]: Finished difference Result 8049 states and 10647 transitions. [2022-04-06 13:38:42,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:42,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 300 [2022-04-06 13:38:42,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:42,500 INFO L225 Difference]: With dead ends: 8049 [2022-04-06 13:38:42,500 INFO L226 Difference]: Without dead ends: 4235 [2022-04-06 13:38:42,505 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 [2022-04-06 13:38:42,506 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 279 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:42,506 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 192 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2022-04-06 13:38:42,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 3947. [2022-04-06 13:38:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3942 states have (on average 1.3272450532724505) internal successors, (5232), 3942 states have internal predecessors, (5232), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5236 transitions. [2022-04-06 13:38:42,583 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5236 transitions. Word has length 300 [2022-04-06 13:38:42,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:42,583 INFO L478 AbstractCegarLoop]: Abstraction has 3947 states and 5236 transitions. [2022-04-06 13:38:42,584 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5236 transitions. [2022-04-06 13:38:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-04-06 13:38:42,590 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:42,590 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:42,590 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-06 13:38:42,590 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1555635516, now seen corresponding path program 1 times [2022-04-06 13:38:42,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:42,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972112751] [2022-04-06 13:38:42,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:42,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2022-04-06 13:38:42,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:42,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972112751] [2022-04-06 13:38:42,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972112751] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:42,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:42,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:42,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667193298] [2022-04-06 13:38:42,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:42,641 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:42,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:42,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:42,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:42,642 INFO L87 Difference]: Start difference. First operand 3947 states and 5236 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) [2022-04-06 13:38:42,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:42,843 INFO L93 Difference]: Finished difference Result 11311 states and 15082 transitions. [2022-04-06 13:38:42,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:42,844 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 [2022-04-06 13:38:42,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:42,856 INFO L225 Difference]: With dead ends: 11311 [2022-04-06 13:38:42,857 INFO L226 Difference]: Without dead ends: 7377 [2022-04-06 13:38:42,864 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 [2022-04-06 13:38:42,865 INFO L913 BasicCegarLoop]: 318 mSDtfsCounter, 260 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:42,865 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 325 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:42,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7377 states. [2022-04-06 13:38:43,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7377 to 7375. [2022-04-06 13:38:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 7370 states have (on average 1.3343283582089551) internal successors, (9834), 7370 states have internal predecessors, (9834), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9838 transitions. [2022-04-06 13:38:43,026 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9838 transitions. Word has length 301 [2022-04-06 13:38:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:43,026 INFO L478 AbstractCegarLoop]: Abstraction has 7375 states and 9838 transitions. [2022-04-06 13:38:43,027 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) [2022-04-06 13:38:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9838 transitions. [2022-04-06 13:38:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-04-06 13:38:43,036 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:43,036 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:43,037 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-06 13:38:43,037 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:43,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:43,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1382037614, now seen corresponding path program 1 times [2022-04-06 13:38:43,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:43,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071826802] [2022-04-06 13:38:43,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:43,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-04-06 13:38:43,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:43,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071826802] [2022-04-06 13:38:43,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071826802] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:43,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:43,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:43,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242545403] [2022-04-06 13:38:43,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:43,086 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:43,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:43,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:43,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:43,087 INFO L87 Difference]: Start difference. First operand 7375 states and 9838 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:43,330 INFO L93 Difference]: Finished difference Result 14745 states and 19651 transitions. [2022-04-06 13:38:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:43,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 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 302 [2022-04-06 13:38:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:43,344 INFO L225 Difference]: With dead ends: 14745 [2022-04-06 13:38:43,344 INFO L226 Difference]: Without dead ends: 7383 [2022-04-06 13:38:43,356 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 [2022-04-06 13:38:43,356 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:43,356 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:38:43,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2022-04-06 13:38:43,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7351. [2022-04-06 13:38:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7351 states, 7346 states have (on average 1.3005717397222978) internal successors, (9554), 7346 states have internal predecessors, (9554), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7351 states to 7351 states and 9558 transitions. [2022-04-06 13:38:43,519 INFO L78 Accepts]: Start accepts. Automaton has 7351 states and 9558 transitions. Word has length 302 [2022-04-06 13:38:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:43,519 INFO L478 AbstractCegarLoop]: Abstraction has 7351 states and 9558 transitions. [2022-04-06 13:38:43,520 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 7351 states and 9558 transitions. [2022-04-06 13:38:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-04-06 13:38:43,528 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:43,528 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:43,529 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-06 13:38:43,529 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:43,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:43,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1235253167, now seen corresponding path program 1 times [2022-04-06 13:38:43,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:43,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934260121] [2022-04-06 13:38:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:43,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 637 proven. 14 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-04-06 13:38:43,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:43,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934260121] [2022-04-06 13:38:43,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934260121] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:43,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346908307] [2022-04-06 13:38:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:43,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:43,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:43,589 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) [2022-04-06 13:38:43,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 13:38:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:43,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-06 13:38:43,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-04-06 13:38:44,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:38:44,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346908307] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:44,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:38:44,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-04-06 13:38:44,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741450043] [2022-04-06 13:38:44,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:44,179 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 13:38:44,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:44,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 13:38:44,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-04-06 13:38:44,180 INFO L87 Difference]: Start difference. First operand 7351 states and 9558 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:44,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:44,384 INFO L93 Difference]: Finished difference Result 14867 states and 19340 transitions. [2022-04-06 13:38:44,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 13:38:44,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 325 [2022-04-06 13:38:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:44,396 INFO L225 Difference]: With dead ends: 14867 [2022-04-06 13:38:44,396 INFO L226 Difference]: Without dead ends: 7501 [2022-04-06 13:38:44,408 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:38:44,409 INFO L913 BasicCegarLoop]: 150 mSDtfsCounter, 249 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:44,409 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 382 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:44,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7501 states. [2022-04-06 13:38:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7501 to 7357. [2022-04-06 13:38:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7357 states, 7352 states have (on average 1.3005984766050054) internal successors, (9562), 7352 states have internal predecessors, (9562), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7357 states to 7357 states and 9566 transitions. [2022-04-06 13:38:44,587 INFO L78 Accepts]: Start accepts. Automaton has 7357 states and 9566 transitions. Word has length 325 [2022-04-06 13:38:44,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:44,588 INFO L478 AbstractCegarLoop]: Abstraction has 7357 states and 9566 transitions. [2022-04-06 13:38:44,588 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 7357 states and 9566 transitions. [2022-04-06 13:38:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-04-06 13:38:44,597 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:44,597 INFO L499 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:44,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-06 13:38:44,816 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-04-06 13:38:44,816 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:44,817 INFO L85 PathProgramCache]: Analyzing trace with hash -26358714, now seen corresponding path program 1 times [2022-04-06 13:38:44,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:44,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812641361] [2022-04-06 13:38:44,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:44,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-04-06 13:38:44,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:44,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812641361] [2022-04-06 13:38:44,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812641361] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:44,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908083520] [2022-04-06 13:38:44,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:44,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:44,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:44,891 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) [2022-04-06 13:38:44,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-06 13:38:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:45,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:45,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-04-06 13:38:45,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:38:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-04-06 13:38:45,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908083520] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:38:45,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:38:45,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 13:38:45,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405635955] [2022-04-06 13:38:45,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:38:45,725 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:38:45,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:45,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:38:45,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:38:45,726 INFO L87 Difference]: Start difference. First operand 7357 states and 9566 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:46,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:46,426 INFO L93 Difference]: Finished difference Result 14757 states and 19192 transitions. [2022-04-06 13:38:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-06 13:38:46,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 338 [2022-04-06 13:38:46,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:46,444 INFO L225 Difference]: With dead ends: 14757 [2022-04-06 13:38:46,444 INFO L226 Difference]: Without dead ends: 11167 [2022-04-06 13:38:46,453 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:38:46,454 INFO L913 BasicCegarLoop]: 379 mSDtfsCounter, 394 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:46,454 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 401 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-06 13:38:46,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11167 states. [2022-04-06 13:38:46,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11167 to 8461. [2022-04-06 13:38:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8461 states, 8456 states have (on average 1.3077105014191106) internal successors, (11058), 8456 states have internal predecessors, (11058), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 11062 transitions. [2022-04-06 13:38:46,664 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 11062 transitions. Word has length 338 [2022-04-06 13:38:46,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:46,665 INFO L478 AbstractCegarLoop]: Abstraction has 8461 states and 11062 transitions. [2022-04-06 13:38:46,665 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 11062 transitions. [2022-04-06 13:38:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-04-06 13:38:46,676 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:46,676 INFO L499 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:46,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-06 13:38:46,891 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-04-06 13:38:46,892 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:46,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1669190455, now seen corresponding path program 2 times [2022-04-06 13:38:46,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:46,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430033888] [2022-04-06 13:38:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 714 proven. 5 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-04-06 13:38:46,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:46,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430033888] [2022-04-06 13:38:46,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430033888] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:46,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005496097] [2022-04-06 13:38:46,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-06 13:38:46,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:46,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:46,954 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) [2022-04-06 13:38:46,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-06 13:38:47,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-06 13:38:47,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-06 13:38:47,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 2 conjunts are in the unsatisfiable core [2022-04-06 13:38:47,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-04-06 13:38:47,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 13:38:47,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005496097] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:47,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-06 13:38:47,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-04-06 13:38:47,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382926563] [2022-04-06 13:38:47,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:47,480 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 13:38:47,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:47,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 13:38:47,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:38:47,481 INFO L87 Difference]: Start difference. First operand 8461 states and 11062 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2022-04-06 13:38:47,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:47,676 INFO L93 Difference]: Finished difference Result 17183 states and 22435 transitions. [2022-04-06 13:38:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 13:38:47,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 351 [2022-04-06 13:38:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:47,690 INFO L225 Difference]: With dead ends: 17183 [2022-04-06 13:38:47,690 INFO L226 Difference]: Without dead ends: 8741 [2022-04-06 13:38:47,702 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-06 13:38:47,702 INFO L913 BasicCegarLoop]: 145 mSDtfsCounter, 55 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:47,703 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 225 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:47,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2022-04-06 13:38:47,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 7885. [2022-04-06 13:38:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7885 states, 7880 states have (on average 1.2571065989847716) internal successors, (9906), 7880 states have internal predecessors, (9906), 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) [2022-04-06 13:38:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 9910 transitions. [2022-04-06 13:38:47,858 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 9910 transitions. Word has length 351 [2022-04-06 13:38:47,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:47,859 INFO L478 AbstractCegarLoop]: Abstraction has 7885 states and 9910 transitions. [2022-04-06 13:38:47,859 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2022-04-06 13:38:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 9910 transitions. [2022-04-06 13:38:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-04-06 13:38:47,867 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:47,867 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-04-06 13:38:47,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-06 13:38:48,086 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:48,088 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1929982713, now seen corresponding path program 1 times [2022-04-06 13:38:48,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:48,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123873695] [2022-04-06 13:38:48,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 13:38:48,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:48,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123873695] [2022-04-06 13:38:48,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123873695] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:48,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721362523] [2022-04-06 13:38:48,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:48,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:48,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:48,147 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) [2022-04-06 13:38:48,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-06 13:38:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:48,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:48,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 13:38:48,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:38:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-04-06 13:38:48,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721362523] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:38:48,857 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:38:48,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-04-06 13:38:48,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846978403] [2022-04-06 13:38:48,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:38:48,858 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-06 13:38:48,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:48,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-06 13:38:48,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-06 13:38:48,858 INFO L87 Difference]: Start difference. First operand 7885 states and 9910 transitions. Second operand has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 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) [2022-04-06 13:38:49,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:49,225 INFO L93 Difference]: Finished difference Result 17900 states and 22396 transitions. [2022-04-06 13:38:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:38:49,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 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 382 [2022-04-06 13:38:49,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:49,242 INFO L225 Difference]: With dead ends: 17900 [2022-04-06 13:38:49,242 INFO L226 Difference]: Without dead ends: 10026 [2022-04-06 13:38:49,253 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 766 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-06 13:38:49,254 INFO L913 BasicCegarLoop]: 225 mSDtfsCounter, 556 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:49,254 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 242 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-06 13:38:49,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2022-04-06 13:38:49,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 8275. [2022-04-06 13:38:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8275 states, 8270 states have (on average 1.2538089480048367) internal successors, (10369), 8270 states have internal predecessors, (10369), 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) [2022-04-06 13:38:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 10373 transitions. [2022-04-06 13:38:49,409 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 10373 transitions. Word has length 382 [2022-04-06 13:38:49,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:49,409 INFO L478 AbstractCegarLoop]: Abstraction has 8275 states and 10373 transitions. [2022-04-06 13:38:49,409 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 6 states have internal predecessors, (237), 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) [2022-04-06 13:38:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 10373 transitions. [2022-04-06 13:38:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-04-06 13:38:49,421 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:49,421 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:49,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-06 13:38:49,639 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:49,639 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:49,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:49,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1151656959, now seen corresponding path program 1 times [2022-04-06 13:38:49,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:49,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368619552] [2022-04-06 13:38:49,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:49,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-04-06 13:38:49,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:49,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368619552] [2022-04-06 13:38:49,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368619552] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 13:38:49,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 13:38:49,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-06 13:38:49,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867745021] [2022-04-06 13:38:49,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 13:38:49,703 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-06 13:38:49,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:49,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-06 13:38:49,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-06 13:38:49,704 INFO L87 Difference]: Start difference. First operand 8275 states and 10373 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:49,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:49,901 INFO L93 Difference]: Finished difference Result 15645 states and 19232 transitions. [2022-04-06 13:38:49,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-06 13:38:49,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 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 421 [2022-04-06 13:38:49,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:49,908 INFO L225 Difference]: With dead ends: 15645 [2022-04-06 13:38:49,908 INFO L226 Difference]: Without dead ends: 3859 [2022-04-06 13:38:49,919 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 [2022-04-06 13:38:49,919 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:49,919 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 195 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 13:38:49,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2022-04-06 13:38:49,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3644. [2022-04-06 13:38:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3644 states, 3639 states have (on average 1.2426490794174223) internal successors, (4522), 3639 states have internal predecessors, (4522), 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) [2022-04-06 13:38:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4526 transitions. [2022-04-06 13:38:49,969 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4526 transitions. Word has length 421 [2022-04-06 13:38:49,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:49,969 INFO L478 AbstractCegarLoop]: Abstraction has 3644 states and 4526 transitions. [2022-04-06 13:38:49,970 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-06 13:38:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4526 transitions. [2022-04-06 13:38:49,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-04-06 13:38:49,974 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 13:38:49,975 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 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, 1] [2022-04-06 13:38:49,975 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-06 13:38:49,975 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 13:38:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 13:38:49,975 INFO L85 PathProgramCache]: Analyzing trace with hash -11908213, now seen corresponding path program 1 times [2022-04-06 13:38:49,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 13:38:49,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817529599] [2022-04-06 13:38:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:49,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 13:38:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 13:38:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-04-06 13:38:50,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 13:38:50,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817529599] [2022-04-06 13:38:50,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817529599] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-06 13:38:50,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105096924] [2022-04-06 13:38:50,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 13:38:50,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 13:38:50,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 13:38:50,055 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 13:38:50,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-06 13:38:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 13:38:50,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-06 13:38:50,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 13:38:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-04-06 13:38:50,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-06 13:38:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-04-06 13:38:51,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105096924] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-06 13:38:51,157 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-06 13:38:51,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-04-06 13:38:51,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624008882] [2022-04-06 13:38:51,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-06 13:38:51,158 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-06 13:38:51,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 13:38:51,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-06 13:38:51,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-04-06 13:38:51,159 INFO L87 Difference]: Start difference. First operand 3644 states and 4526 transitions. Second operand has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 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) [2022-04-06 13:38:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 13:38:51,547 INFO L93 Difference]: Finished difference Result 4497 states and 5582 transitions. [2022-04-06 13:38:51,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-06 13:38:51,547 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 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 488 [2022-04-06 13:38:51,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 13:38:51,548 INFO L225 Difference]: With dead ends: 4497 [2022-04-06 13:38:51,548 INFO L226 Difference]: Without dead ends: 0 [2022-04-06 13:38:51,552 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-04-06 13:38:51,552 INFO L913 BasicCegarLoop]: 159 mSDtfsCounter, 335 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-06 13:38:51,553 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 176 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-06 13:38:51,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-06 13:38:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-06 13:38:51,553 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) [2022-04-06 13:38:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-06 13:38:51,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 488 [2022-04-06 13:38:51,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 13:38:51,553 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-06 13:38:51,553 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.0) internal successors, (324), 8 states have internal predecessors, (324), 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) [2022-04-06 13:38:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-06 13:38:51,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-06 13:38:51,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-06 13:38:51,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-06 13:38:51,771 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-04-06 13:38:51,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-06 13:38:55,707 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-06 13:38:55,708 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:38:55,708 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:38:55,708 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-06 13:38:55,708 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-06 13:38:55,723 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-06 13:38:55,723 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-06 13:38:55,723 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 563) the Hoare annotation is: true [2022-04-06 13:38:55,723 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2022-04-06 13:38:55,723 INFO L882 garLoopResultBuilder]: For program point L99-2(lines 96 102) no Hoare annotation was computed. [2022-04-06 13:38:55,723 INFO L882 garLoopResultBuilder]: For program point L99(lines 99 101) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L110-1(lines 87 562) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L885 garLoopResultBuilder]: At program point L551(lines 109 552) the Hoare annotation is: true [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L556(lines 556 558) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 531) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L556-2(lines 556 558) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 531) the Hoare annotation is: (or (and (<= 12292 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 530) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 563) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L878 garLoopResultBuilder]: At program point L218(lines 116 530) the Hoare annotation is: (or (= ssl3_connect_~blastFlag~0 0) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 529) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 563) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L223(lines 223 225) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 528) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L223-2(lines 223 225) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 527) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 526) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 245) no Hoare annotation was computed. [2022-04-06 13:38:55,724 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 526) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0) (not (<= 4400 ssl3_connect_~s__state~0))) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 525) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L234-2(lines 213 496) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L262(lines 262 264) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 524) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L250(lines 250 253) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L262-2(lines 213 496) no Hoare annotation was computed. [2022-04-06 13:38:55,725 INFO L878 garLoopResultBuilder]: At program point L138(lines 134 524) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (not (<= 4400 ssl3_connect_~s__state~0)))) (or (and .cse0 (= ssl3_connect_~blastFlag~0 1) .cse1) (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:55,725 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 523) no Hoare annotation was computed. [2022-04-06 13:38:55,726 INFO L878 garLoopResultBuilder]: At program point L497(lines 110 550) the Hoare annotation is: (let ((.cse8 (= ssl3_connect_~s__state~0 4464)) (.cse9 (<= 4560 ssl3_connect_~s__state~0)) (.cse10 (<= ssl3_connect_~s__state~0 4560)) (.cse7 (= 4496 ssl3_connect_~s__state~0)) (.cse13 (<= 4352 ssl3_connect_~s__state~0)) (.cse14 (<= ssl3_connect_~s__state~0 4352)) (.cse11 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse6 (= 4512 ssl3_connect_~s__state~0)) (.cse3 (= 3 ssl3_connect_~s__state~0)) (.cse5 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse1 (= ssl3_connect_~s__state~0 4448)) (.cse12 (= ssl3_connect_~s__state~0 4480)) (.cse0 (= ssl3_connect_~s__hit~0 0)) (.cse2 (<= ssl3_connect_~blastFlag~0 4)) (.cse15 (= ssl3_connect_~s__state~0 4528)) (.cse4 (= 2 ssl3_connect_~blastFlag~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0) (and .cse5 .cse0 .cse6) (and .cse5 .cse0 .cse7) (and .cse5 .cse0 .cse8) (and .cse4 .cse6) (and .cse9 .cse5 .cse10 .cse0 .cse11) (and .cse5 .cse0 .cse12) (and .cse0 .cse8 .cse2) (and (= 4432 ssl3_connect_~s__state~0) .cse0 .cse2) (and .cse9 .cse10 .cse4) (and .cse13 .cse14 .cse4 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (= ssl3_connect_~blastFlag~0 0) (and .cse0 .cse7 .cse2) (and .cse13 .cse14 .cse5 .cse0 .cse11) (and (= 4400 ssl3_connect_~s__state~0) .cse4 .cse0) (and .cse0 .cse6 .cse2) (and .cse5 .cse3) (and .cse15 .cse5 .cse0) (and (= ssl3_connect_~s__state~0 4416) .cse0 .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse5 .cse0 .cse1) (and .cse0 .cse12 .cse2) (and .cse15 .cse0 .cse2) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse15 .cse4))) [2022-04-06 13:38:55,726 INFO L882 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-04-06 13:38:55,726 INFO L882 garLoopResultBuilder]: For program point L277(lines 277 279) no Hoare annotation was computed. [2022-04-06 13:38:55,726 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 522) no Hoare annotation was computed. [2022-04-06 13:38:55,726 INFO L882 garLoopResultBuilder]: For program point L533(lines 533 547) no Hoare annotation was computed. [2022-04-06 13:38:55,726 INFO L882 garLoopResultBuilder]: For program point L532(lines 532 548) no Hoare annotation was computed. [2022-04-06 13:38:55,726 INFO L882 garLoopResultBuilder]: For program point L277-2(lines 213 496) no Hoare annotation was computed. [2022-04-06 13:38:55,726 INFO L878 garLoopResultBuilder]: At program point L144(lines 140 522) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (= ssl3_connect_~s__hit~0 0)))) [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 521) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L294(lines 294 308) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 520) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L536(lines 536 538) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L534-2(lines 533 547) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L283-2(lines 283 287) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L294-2(lines 294 308) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 520) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (< 4400 ssl3_connect_~s__state~0))) (or (and .cse0 (= ssl3_connect_~blastFlag~0 0) .cse1) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (= ssl3_connect_~s__hit~0 0) .cse1 (<= ssl3_connect_~blastFlag~0 4)))) [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 519) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L301-2(lines 296 308) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 518) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L316-2(lines 213 496) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 518) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 517) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L324(lines 324 327) no Hoare annotation was computed. [2022-04-06 13:38:55,727 INFO L882 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 516) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L878 garLoopResultBuilder]: At program point L333(lines 87 562) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 516) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 515) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 514) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L878 garLoopResultBuilder]: At program point L174(lines 164 514) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 513) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L359(lines 359 361) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 512) no Hoare annotation was computed. [2022-04-06 13:38:55,728 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 511) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 510) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L878 garLoopResultBuilder]: At program point L180(lines 176 510) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 509) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 508) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L372(lines 372 377) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L878 garLoopResultBuilder]: At program point L186(lines 182 508) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 507) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L372-2(lines 372 377) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L383(lines 383 385) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 506) no Hoare annotation was computed. [2022-04-06 13:38:55,729 INFO L878 garLoopResultBuilder]: At program point L192(lines 188 506) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-04-06 13:38:55,729 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 505) no Hoare annotation was computed. [2022-04-06 13:38:55,730 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 395) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 504) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 403) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L878 garLoopResultBuilder]: At program point L198(lines 194 504) the Hoare annotation is: (let ((.cse0 (<= 4432 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (and .cse0 .cse1 .cse2 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2))) [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 503) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L399-2(lines 213 496) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 502) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L408(lines 408 411) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L423(lines 423 437) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L878 garLoopResultBuilder]: At program point L204(lines 200 502) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 (= ssl3_connect_~s__hit~0 0) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (< ssl3_connect_~s__state~0 12292) .cse0 (= ssl3_connect_~blastFlag~0 0)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 501) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L427(lines 427 433) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L423-1(lines 423 437) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L443(lines 443 445) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 500) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L878 garLoopResultBuilder]: At program point L207(lines 206 500) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352))) (or (and .cse0 .cse1 (= ssl3_connect_~blastFlag~0 0)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse0 .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) (= ssl3_connect_~s__hit~0 0) (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 499) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L882 garLoopResultBuilder]: For program point L456(lines 456 467) no Hoare annotation was computed. [2022-04-06 13:38:55,731 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 499) the Hoare annotation is: true [2022-04-06 13:38:55,732 INFO L885 garLoopResultBuilder]: At program point L212(lines 211 499) the Hoare annotation is: true [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L456-2(lines 456 467) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L472-1(lines 472 474) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L484-2(lines 484 486) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L489(lines 489 491) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 564 574) the Hoare annotation is: true [2022-04-06 13:38:55,732 INFO L878 garLoopResultBuilder]: At program point L570(line 570) the Hoare annotation is: (<= 12292 main_~s~0) [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point L570-1(line 570) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 564 574) no Hoare annotation was computed. [2022-04-06 13:38:55,732 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 564 574) no Hoare annotation was computed. [2022-04-06 13:38:55,737 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 13:38:55,738 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-06 13:38:55,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 01:38:55 BasicIcfg [2022-04-06 13:38:55,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-06 13:38:55,772 INFO L158 Benchmark]: Toolchain (without parser) took 19965.78ms. Allocated memory was 201.3MB in the beginning and 835.7MB in the end (delta: 634.4MB). Free memory was 149.3MB in the beginning and 356.3MB in the end (delta: -207.0MB). Peak memory consumption was 542.4MB. Max. memory is 8.0GB. [2022-04-06 13:38:55,773 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 166.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-06 13:38:55,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.46ms. Allocated memory was 201.3MB in the beginning and 262.1MB in the end (delta: 60.8MB). Free memory was 149.1MB in the beginning and 235.4MB in the end (delta: -86.3MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. [2022-04-06 13:38:55,773 INFO L158 Benchmark]: Boogie Preprocessor took 49.76ms. Allocated memory is still 262.1MB. Free memory was 235.4MB in the beginning and 232.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 13:38:55,773 INFO L158 Benchmark]: RCFGBuilder took 579.70ms. Allocated memory is still 262.1MB. Free memory was 232.8MB in the beginning and 207.2MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-04-06 13:38:55,773 INFO L158 Benchmark]: IcfgTransformer took 60.75ms. Allocated memory is still 262.1MB. Free memory was 207.1MB in the beginning and 204.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-06 13:38:55,773 INFO L158 Benchmark]: TraceAbstraction took 18994.71ms. Allocated memory was 262.1MB in the beginning and 835.7MB in the end (delta: 573.6MB). Free memory was 203.4MB in the beginning and 356.3MB in the end (delta: -152.8MB). Peak memory consumption was 535.7MB. Max. memory is 8.0GB. [2022-04-06 13:38:55,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 166.0MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.46ms. Allocated memory was 201.3MB in the beginning and 262.1MB in the end (delta: 60.8MB). Free memory was 149.1MB in the beginning and 235.4MB in the end (delta: -86.3MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.76ms. Allocated memory is still 262.1MB. Free memory was 235.4MB in the beginning and 232.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 579.70ms. Allocated memory is still 262.1MB. Free memory was 232.8MB in the beginning and 207.2MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 60.75ms. Allocated memory is still 262.1MB. Free memory was 207.1MB in the beginning and 204.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 18994.71ms. Allocated memory was 262.1MB in the beginning and 835.7MB in the end (delta: 573.6MB). Free memory was 203.4MB in the beginning and 356.3MB in the end (delta: -152.8MB). Peak memory consumption was 535.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 560]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 137 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6970 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6968 mSDsluCounter, 6110 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 524 mSDsCounter, 623 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6658 IncrementalHoareTripleChecker+Invalid, 7281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 623 mSolverCounterUnsat, 5586 mSDtfsCounter, 6658 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3292 GetRequests, 3187 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8461occurred in iteration=23, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 27 MinimizatonAttempts, 6272 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 260 NumberOfFragments, 770 HoareAnnotationTreeSize, 26 FomulaSimplifications, 7590 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 21440 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 7717 NumberOfCodeBlocks, 7717 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 8890 ConstructedInterpolants, 0 QuantifiedInterpolants, 11943 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3745 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 32519/32637 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 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((s__hit == 0 && s__state == 4448) && blastFlag <= 4) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4512 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && 4496 == s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4464)) || (2 == blastFlag && 4512 == s__state)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4480)) || ((s__hit == 0 && s__state == 4464) && blastFlag <= 4)) || ((4432 == s__state && s__hit == 0) && blastFlag <= 4)) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || (((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0)) || blastFlag == 0) || ((s__hit == 0 && 4496 == s__state) && blastFlag <= 4)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && 4512 == s__state) && blastFlag <= 4)) || (s__s3__tmp__next_state___0 <= 4560 && 3 == s__state)) || ((s__state == 4528 && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0)) || ((s__state == 4416 && s__hit == 0) && blastFlag <= 4)) || !(12292 <= \old(initial_state))) || ((s__s3__tmp__next_state___0 <= 4560 && s__hit == 0) && s__state == 4448)) || ((s__hit == 0 && s__state == 4480) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && blastFlag <= 4)) || (blastFlag == 1 && s__state == 4384)) || (s__state == 4528 && 2 == blastFlag) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4400 < s__state) || !(12292 <= \old(initial_state))) || (((s__state <= 4560 && s__hit == 0) && 4400 < s__state) && blastFlag <= 4) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((4352 <= s__state && s__state <= 4352) && blastFlag == 0) || (((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0)) || ((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0) || ((s__state < 12292 && 4560 <= s__state) && blastFlag == 0)) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((4352 <= s__state && s__state <= 4560) && blastFlag == 0) || !(12292 <= \old(initial_state))) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((4432 <= s__state && s__state <= 4560) && 2 == blastFlag) || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4)) || ((4432 <= s__state && s__state <= 4560) && blastFlag == 0)) || !(12292 <= \old(initial_state))) || (((4432 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag == 1) && !(4400 <= s__state)) || ((4352 <= s__state && blastFlag == 0) && !(4400 <= s__state))) || !(12292 <= \old(initial_state)) RESULT: Ultimate proved your program to be correct! [2022-04-06 13:38:55,821 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...