/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/s3_clnt.blast.03.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 12:12:09,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 12:12:09,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 12:12:09,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 12:12:09,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 12:12:09,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 12:12:09,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 12:12:09,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 12:12:09,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 12:12:09,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 12:12:09,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 12:12:09,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 12:12:09,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 12:12:09,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 12:12:09,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 12:12:09,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 12:12:09,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 12:12:09,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 12:12:09,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 12:12:09,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 12:12:09,426 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 12:12:09,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 12:12:09,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 12:12:09,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 12:12:09,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 12:12:09,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 12:12:09,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 12:12:09,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 12:12:09,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 12:12:09,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 12:12:09,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-20 12:12:09,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 12:12:09,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 12:12:09,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 12:12:09,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-20 12:12:09,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 12:12:09,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 12:12:09,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 12:12:09,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 12:12:09,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 12:12:09,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 12:12:09,465 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 12:12:09,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 12:12:09,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 12:12:09,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 12:12:09,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 12:12:09,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 12:12:09,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 12:12:09,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 12:12:09,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 12:12:09,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 12:12:09,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 12:12:09,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 12:12:09,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 12:12:09,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:12:09,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 12:12:09,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 12:12:09,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 12:12:09,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 12:12:09,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 12:12:09,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 12:12:09,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 12:12:09,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 12:12:09,469 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 12:12:09,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 12:12:09,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 12:12:09,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 12:12:09,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 12:12:09,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 12:12:09,690 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 12:12:09,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c [2022-03-20 12:12:09,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99c812207/6c5b28b053f84a038e8b486158543ae9/FLAG3e1be64e3 [2022-03-20 12:12:10,196 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 12:12:10,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c [2022-03-20 12:12:10,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99c812207/6c5b28b053f84a038e8b486158543ae9/FLAG3e1be64e3 [2022-03-20 12:12:10,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99c812207/6c5b28b053f84a038e8b486158543ae9 [2022-03-20 12:12:10,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 12:12:10,503 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 12:12:10,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 12:12:10,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 12:12:10,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 12:12:10,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:12:10" (1/1) ... [2022-03-20 12:12:10,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482a89ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:10, skipping insertion in model container [2022-03-20 12:12:10,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:12:10" (1/1) ... [2022-03-20 12:12:10,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 12:12:10,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 12:12:11,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2022-03-20 12:12:11,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:12:11,160 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 12:12:11,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_clnt.blast.03.i.cil-2.c[65397,65410] [2022-03-20 12:12:11,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:12:11,246 INFO L208 MainTranslator]: Completed translation [2022-03-20 12:12:11,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11 WrapperNode [2022-03-20 12:12:11,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 12:12:11,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 12:12:11,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 12:12:11,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 12:12:11,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 12:12:11,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 12:12:11,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 12:12:11,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 12:12:11,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (1/1) ... [2022-03-20 12:12:11,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:12:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:12:11,358 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) [2022-03-20 12:12:11,377 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 [2022-03-20 12:12:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 12:12:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 12:12:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 12:12:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2022-03-20 12:12:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2022-03-20 12:12:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 12:12:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 12:12:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 12:12:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 12:12:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 12:12:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 12:12:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 12:12:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 12:12:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 12:12:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 12:12:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 12:12:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 12:12:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 12:12:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 12:12:11,606 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 12:12:11,607 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 12:12:13,507 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 12:12:13,981 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 12:12:13,982 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 12:12:14,000 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 12:12:14,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 12:12:14,023 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 12:12:14,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:12:14 BoogieIcfgContainer [2022-03-20 12:12:14,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 12:12:14,026 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 12:12:14,026 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 12:12:14,026 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 12:12:14,029 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:12:14" (1/1) ... [2022-03-20 12:12:14,031 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 12:12:14,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:12:14 BasicIcfg [2022-03-20 12:12:14,105 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 12:12:14,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 12:12:14,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 12:12:14,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 12:12:14,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 12:12:10" (1/4) ... [2022-03-20 12:12:14,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786117f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:12:14, skipping insertion in model container [2022-03-20 12:12:14,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:12:11" (2/4) ... [2022-03-20 12:12:14,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786117f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:12:14, skipping insertion in model container [2022-03-20 12:12:14,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:12:14" (3/4) ... [2022-03-20 12:12:14,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786117f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 12:12:14, skipping insertion in model container [2022-03-20 12:12:14,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:12:14" (4/4) ... [2022-03-20 12:12:14,113 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-2.cqvasr [2022-03-20 12:12:14,118 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 12:12:14,118 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 12:12:14,164 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 12:12:14,170 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 [2022-03-20 12:12:14,171 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 12:12:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 12:12:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 12:12:14,202 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:14,202 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] [2022-03-20 12:12:14,203 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:14,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:14,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1582464962, now seen corresponding path program 1 times [2022-03-20 12:12:14,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:14,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003708847] [2022-03-20 12:12:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:14,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 12:12:14,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:14,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003708847] [2022-03-20 12:12:14,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003708847] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:14,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:14,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:14,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299580294] [2022-03-20 12:12:14,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:14,779 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:14,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:14,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:14,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:14,810 INFO L87 Difference]: Start difference. First operand has 138 states, 130 states have (on average 1.6923076923076923) internal successors, (220), 131 states have internal predecessors, (220), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:16,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:17,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:17,337 INFO L93 Difference]: Finished difference Result 267 states and 442 transitions. [2022-03-20 12:12:17,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:17,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-20 12:12:17,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:17,349 INFO L225 Difference]: With dead ends: 267 [2022-03-20 12:12:17,350 INFO L226 Difference]: Without dead ends: 122 [2022-03-20 12:12:17,355 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:17,363 INFO L913 BasicCegarLoop]: 213 mSDtfsCounter, 7 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:17,364 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 12:12:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-03-20 12:12:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2022-03-20 12:12:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 178 transitions. [2022-03-20 12:12:17,423 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 178 transitions. Word has length 30 [2022-03-20 12:12:17,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:17,424 INFO L478 AbstractCegarLoop]: Abstraction has 121 states and 178 transitions. [2022-03-20 12:12:17,424 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-03-20 12:12:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-20 12:12:17,426 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:17,426 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:17,426 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 12:12:17,427 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash 826783867, now seen corresponding path program 1 times [2022-03-20 12:12:17,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:17,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682792903] [2022-03-20 12:12:17,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:17,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:17,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:17,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682792903] [2022-03-20 12:12:17,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682792903] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:17,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:17,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:12:17,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368340721] [2022-03-20 12:12:17,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:17,741 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:12:17,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:17,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:12:17,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:17,742 INFO L87 Difference]: Start difference. First operand 121 states and 178 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:19,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:19,982 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2022-03-20 12:12:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:12:19,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-03-20 12:12:19,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:19,985 INFO L225 Difference]: With dead ends: 327 [2022-03-20 12:12:19,985 INFO L226 Difference]: Without dead ends: 222 [2022-03-20 12:12:19,985 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:19,986 INFO L913 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:19,987 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 319 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-03-20 12:12:19,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-03-20 12:12:20,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-03-20 12:12:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 217 states have (on average 1.4838709677419355) internal successors, (322), 217 states have internal predecessors, (322), 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) [2022-03-20 12:12:20,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 326 transitions. [2022-03-20 12:12:20,010 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 326 transitions. Word has length 44 [2022-03-20 12:12:20,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:20,011 INFO L478 AbstractCegarLoop]: Abstraction has 222 states and 326 transitions. [2022-03-20 12:12:20,011 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 326 transitions. [2022-03-20 12:12:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-20 12:12:20,013 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:20,013 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:20,013 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 12:12:20,013 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:20,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:20,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2124287227, now seen corresponding path program 1 times [2022-03-20 12:12:20,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:20,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473704844] [2022-03-20 12:12:20,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:20,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:20,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:20,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473704844] [2022-03-20 12:12:20,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473704844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:20,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:20,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:20,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886893555] [2022-03-20 12:12:20,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:20,203 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:20,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:20,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:20,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:20,205 INFO L87 Difference]: Start difference. First operand 222 states and 326 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:22,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:22,603 INFO L93 Difference]: Finished difference Result 363 states and 539 transitions. [2022-03-20 12:12:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:22,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-03-20 12:12:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:22,604 INFO L225 Difference]: With dead ends: 363 [2022-03-20 12:12:22,605 INFO L226 Difference]: Without dead ends: 258 [2022-03-20 12:12:22,605 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:22,606 INFO L913 BasicCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:22,606 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 486 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 360 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:12:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-03-20 12:12:22,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 240. [2022-03-20 12:12:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 235 states have (on average 1.4978723404255319) internal successors, (352), 235 states have internal predecessors, (352), 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) [2022-03-20 12:12:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 356 transitions. [2022-03-20 12:12:22,615 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 356 transitions. Word has length 59 [2022-03-20 12:12:22,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:22,616 INFO L478 AbstractCegarLoop]: Abstraction has 240 states and 356 transitions. [2022-03-20 12:12:22,616 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 356 transitions. [2022-03-20 12:12:22,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-20 12:12:22,618 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:22,618 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:22,618 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 12:12:22,618 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:22,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:22,618 INFO L85 PathProgramCache]: Analyzing trace with hash -11487624, now seen corresponding path program 2 times [2022-03-20 12:12:22,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:22,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371307244] [2022-03-20 12:12:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:22,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:22,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:22,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371307244] [2022-03-20 12:12:22,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371307244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:22,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:22,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:22,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145740910] [2022-03-20 12:12:22,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:22,809 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:22,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:22,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:22,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:22,810 INFO L87 Difference]: Start difference. First operand 240 states and 356 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:24,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:25,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:25,177 INFO L93 Difference]: Finished difference Result 645 states and 966 transitions. [2022-03-20 12:12:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:25,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 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 73 [2022-03-20 12:12:25,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:25,180 INFO L225 Difference]: With dead ends: 645 [2022-03-20 12:12:25,180 INFO L226 Difference]: Without dead ends: 421 [2022-03-20 12:12:25,181 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:25,182 INFO L913 BasicCegarLoop]: 104 mSDtfsCounter, 112 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:25,182 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 296 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 379 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:12:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-03-20 12:12:25,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 262. [2022-03-20 12:12:25,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 257 states have (on average 1.490272373540856) internal successors, (383), 257 states have internal predecessors, (383), 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) [2022-03-20 12:12:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 387 transitions. [2022-03-20 12:12:25,195 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 387 transitions. Word has length 73 [2022-03-20 12:12:25,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:25,195 INFO L478 AbstractCegarLoop]: Abstraction has 262 states and 387 transitions. [2022-03-20 12:12:25,195 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 387 transitions. [2022-03-20 12:12:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-20 12:12:25,197 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:25,197 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:25,197 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 12:12:25,197 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:25,198 INFO L85 PathProgramCache]: Analyzing trace with hash 350628440, now seen corresponding path program 1 times [2022-03-20 12:12:25,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:25,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756076353] [2022-03-20 12:12:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:25,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:25,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756076353] [2022-03-20 12:12:25,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756076353] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:25,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:25,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:25,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153129262] [2022-03-20 12:12:25,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:25,359 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:25,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:25,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:25,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:25,359 INFO L87 Difference]: Start difference. First operand 262 states and 387 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:27,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:27,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:27,734 INFO L93 Difference]: Finished difference Result 668 states and 995 transitions. [2022-03-20 12:12:27,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:27,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 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 73 [2022-03-20 12:12:27,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:27,736 INFO L225 Difference]: With dead ends: 668 [2022-03-20 12:12:27,736 INFO L226 Difference]: Without dead ends: 422 [2022-03-20 12:12:27,737 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:27,738 INFO L913 BasicCegarLoop]: 97 mSDtfsCounter, 119 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:27,738 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:12:27,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-03-20 12:12:27,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 264. [2022-03-20 12:12:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 259 states have (on average 1.4826254826254825) internal successors, (384), 259 states have internal predecessors, (384), 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) [2022-03-20 12:12:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 388 transitions. [2022-03-20 12:12:27,748 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 388 transitions. Word has length 73 [2022-03-20 12:12:27,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:27,748 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 388 transitions. [2022-03-20 12:12:27,749 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 388 transitions. [2022-03-20 12:12:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 12:12:27,751 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:27,751 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:27,751 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 12:12:27,751 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:27,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:27,752 INFO L85 PathProgramCache]: Analyzing trace with hash -99560265, now seen corresponding path program 1 times [2022-03-20 12:12:27,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:27,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992088859] [2022-03-20 12:12:27,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:27,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:27,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:27,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992088859] [2022-03-20 12:12:27,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992088859] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:27,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:27,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:27,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436966218] [2022-03-20 12:12:27,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:27,941 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:27,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:27,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:27,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:27,941 INFO L87 Difference]: Start difference. First operand 264 states and 388 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:29,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:30,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:30,395 INFO L93 Difference]: Finished difference Result 670 states and 993 transitions. [2022-03-20 12:12:30,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:30,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-03-20 12:12:30,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:30,397 INFO L225 Difference]: With dead ends: 670 [2022-03-20 12:12:30,397 INFO L226 Difference]: Without dead ends: 422 [2022-03-20 12:12:30,398 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:30,399 INFO L913 BasicCegarLoop]: 108 mSDtfsCounter, 117 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:30,399 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 300 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:12:30,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-03-20 12:12:30,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 266. [2022-03-20 12:12:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 261 states have (on average 1.475095785440613) internal successors, (385), 261 states have internal predecessors, (385), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:30,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 389 transitions. [2022-03-20 12:12:30,409 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 389 transitions. Word has length 74 [2022-03-20 12:12:30,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:30,410 INFO L478 AbstractCegarLoop]: Abstraction has 266 states and 389 transitions. [2022-03-20 12:12:30,410 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:30,410 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 389 transitions. [2022-03-20 12:12:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-03-20 12:12:30,411 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:30,411 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:30,411 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 12:12:30,411 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:30,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:30,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1125243724, now seen corresponding path program 1 times [2022-03-20 12:12:30,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:30,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854894177] [2022-03-20 12:12:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:30,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:30,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854894177] [2022-03-20 12:12:30,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854894177] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:30,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:30,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:30,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231503966] [2022-03-20 12:12:30,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:30,603 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:30,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:30,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:30,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:30,603 INFO L87 Difference]: Start difference. First operand 266 states and 389 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:32,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:33,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:33,035 INFO L93 Difference]: Finished difference Result 672 states and 991 transitions. [2022-03-20 12:12:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:33,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-03-20 12:12:33,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:33,037 INFO L225 Difference]: With dead ends: 672 [2022-03-20 12:12:33,037 INFO L226 Difference]: Without dead ends: 422 [2022-03-20 12:12:33,038 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:33,042 INFO L913 BasicCegarLoop]: 97 mSDtfsCounter, 115 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:33,042 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:12:33,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-03-20 12:12:33,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 268. [2022-03-20 12:12:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 263 states have (on average 1.467680608365019) internal successors, (386), 263 states have internal predecessors, (386), 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) [2022-03-20 12:12:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 390 transitions. [2022-03-20 12:12:33,051 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 390 transitions. Word has length 75 [2022-03-20 12:12:33,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:33,052 INFO L478 AbstractCegarLoop]: Abstraction has 268 states and 390 transitions. [2022-03-20 12:12:33,052 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 390 transitions. [2022-03-20 12:12:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-03-20 12:12:33,053 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:33,053 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:33,053 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 12:12:33,053 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:33,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:33,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1472255796, now seen corresponding path program 1 times [2022-03-20 12:12:33,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:33,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504074506] [2022-03-20 12:12:33,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:33,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:33,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:33,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504074506] [2022-03-20 12:12:33,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504074506] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:33,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:33,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:33,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215536275] [2022-03-20 12:12:33,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:33,212 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:33,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:33,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:33,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:33,212 INFO L87 Difference]: Start difference. First operand 268 states and 390 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:35,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:35,695 INFO L93 Difference]: Finished difference Result 674 states and 989 transitions. [2022-03-20 12:12:35,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:35,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-03-20 12:12:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:35,698 INFO L225 Difference]: With dead ends: 674 [2022-03-20 12:12:35,698 INFO L226 Difference]: Without dead ends: 422 [2022-03-20 12:12:35,698 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:35,700 INFO L913 BasicCegarLoop]: 97 mSDtfsCounter, 113 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:35,700 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 278 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 382 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 12:12:35,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-03-20 12:12:35,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 270. [2022-03-20 12:12:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.460377358490566) internal successors, (387), 265 states have internal predecessors, (387), 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) [2022-03-20 12:12:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 391 transitions. [2022-03-20 12:12:35,710 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 391 transitions. Word has length 76 [2022-03-20 12:12:35,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:35,710 INFO L478 AbstractCegarLoop]: Abstraction has 270 states and 391 transitions. [2022-03-20 12:12:35,710 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 391 transitions. [2022-03-20 12:12:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-20 12:12:35,731 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:35,731 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:35,731 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 12:12:35,731 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:35,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:35,732 INFO L85 PathProgramCache]: Analyzing trace with hash -928330680, now seen corresponding path program 1 times [2022-03-20 12:12:35,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:35,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256415402] [2022-03-20 12:12:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:35,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-20 12:12:36,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:36,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256415402] [2022-03-20 12:12:36,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256415402] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:36,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:36,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:12:36,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163829082] [2022-03-20 12:12:36,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:36,033 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:12:36,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:36,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:12:36,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:36,033 INFO L87 Difference]: Start difference. First operand 270 states and 391 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:38,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:38,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:38,388 INFO L93 Difference]: Finished difference Result 543 states and 795 transitions. [2022-03-20 12:12:38,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:12:38,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-03-20 12:12:38,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:38,391 INFO L225 Difference]: With dead ends: 543 [2022-03-20 12:12:38,391 INFO L226 Difference]: Without dead ends: 405 [2022-03-20 12:12:38,392 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:38,392 INFO L913 BasicCegarLoop]: 315 mSDtfsCounter, 126 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:38,393 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 477 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:12:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-03-20 12:12:38,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2022-03-20 12:12:38,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 400 states have (on average 1.455) internal successors, (582), 400 states have internal predecessors, (582), 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) [2022-03-20 12:12:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 586 transitions. [2022-03-20 12:12:38,422 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 586 transitions. Word has length 77 [2022-03-20 12:12:38,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:38,422 INFO L478 AbstractCegarLoop]: Abstraction has 405 states and 586 transitions. [2022-03-20 12:12:38,422 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 586 transitions. [2022-03-20 12:12:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-20 12:12:38,423 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:38,424 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:38,424 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 12:12:38,424 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:38,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1739136347, now seen corresponding path program 1 times [2022-03-20 12:12:38,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:38,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918029930] [2022-03-20 12:12:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:38,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 12:12:38,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:38,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918029930] [2022-03-20 12:12:38,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918029930] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:38,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:38,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:12:38,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947755445] [2022-03-20 12:12:38,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:38,720 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:12:38,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:38,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:12:38,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:38,721 INFO L87 Difference]: Start difference. First operand 405 states and 586 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:40,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:40,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:40,925 INFO L93 Difference]: Finished difference Result 702 states and 1018 transitions. [2022-03-20 12:12:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:12:40,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-03-20 12:12:40,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:40,928 INFO L225 Difference]: With dead ends: 702 [2022-03-20 12:12:40,928 INFO L226 Difference]: Without dead ends: 429 [2022-03-20 12:12:40,928 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:40,929 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 15 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:40,929 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 359 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-03-20 12:12:40,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-03-20 12:12:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2022-03-20 12:12:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 424 states have (on average 1.4481132075471699) internal successors, (614), 424 states have internal predecessors, (614), 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) [2022-03-20 12:12:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 618 transitions. [2022-03-20 12:12:40,955 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 618 transitions. Word has length 78 [2022-03-20 12:12:40,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:40,955 INFO L478 AbstractCegarLoop]: Abstraction has 429 states and 618 transitions. [2022-03-20 12:12:40,956 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 618 transitions. [2022-03-20 12:12:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-20 12:12:40,957 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:40,957 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:40,959 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 12:12:40,960 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:40,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash -820885621, now seen corresponding path program 1 times [2022-03-20 12:12:40,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:40,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101244878] [2022-03-20 12:12:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-03-20 12:12:41,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:41,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101244878] [2022-03-20 12:12:41,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101244878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:41,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:41,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:12:41,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096987583] [2022-03-20 12:12:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:41,154 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:12:41,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:41,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:12:41,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:41,155 INFO L87 Difference]: Start difference. First operand 429 states and 618 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:43,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:43,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:43,560 INFO L93 Difference]: Finished difference Result 860 states and 1248 transitions. [2022-03-20 12:12:43,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:12:43,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2022-03-20 12:12:43,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:43,563 INFO L225 Difference]: With dead ends: 860 [2022-03-20 12:12:43,563 INFO L226 Difference]: Without dead ends: 563 [2022-03-20 12:12:43,563 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:43,564 INFO L913 BasicCegarLoop]: 314 mSDtfsCounter, 126 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:43,564 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 476 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:12:43,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-03-20 12:12:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2022-03-20 12:12:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 558 states have (on average 1.4480286738351253) internal successors, (808), 558 states have internal predecessors, (808), 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) [2022-03-20 12:12:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 812 transitions. [2022-03-20 12:12:43,576 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 812 transitions. Word has length 97 [2022-03-20 12:12:43,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:43,576 INFO L478 AbstractCegarLoop]: Abstraction has 563 states and 812 transitions. [2022-03-20 12:12:43,576 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 812 transitions. [2022-03-20 12:12:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-03-20 12:12:43,577 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:43,577 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:43,577 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 12:12:43,577 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:43,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:43,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1372430939, now seen corresponding path program 1 times [2022-03-20 12:12:43,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:43,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694056042] [2022-03-20 12:12:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:43,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 12:12:43,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:43,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694056042] [2022-03-20 12:12:43,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694056042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:43,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:43,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:12:43,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839348394] [2022-03-20 12:12:43,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:43,707 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:12:43,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:43,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:12:43,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:43,707 INFO L87 Difference]: Start difference. First operand 563 states and 812 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:45,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:46,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:46,051 INFO L93 Difference]: Finished difference Result 1127 states and 1634 transitions. [2022-03-20 12:12:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:12:46,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 118 [2022-03-20 12:12:46,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:46,053 INFO L225 Difference]: With dead ends: 1127 [2022-03-20 12:12:46,053 INFO L226 Difference]: Without dead ends: 696 [2022-03-20 12:12:46,054 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:12:46,055 INFO L913 BasicCegarLoop]: 312 mSDtfsCounter, 124 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:46,055 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 474 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:12:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-03-20 12:12:46,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2022-03-20 12:12:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 691 states have (on average 1.447178002894356) internal successors, (1000), 691 states have internal predecessors, (1000), 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) [2022-03-20 12:12:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1004 transitions. [2022-03-20 12:12:46,066 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1004 transitions. Word has length 118 [2022-03-20 12:12:46,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:46,066 INFO L478 AbstractCegarLoop]: Abstraction has 696 states and 1004 transitions. [2022-03-20 12:12:46,067 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1004 transitions. [2022-03-20 12:12:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-03-20 12:12:46,068 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:46,068 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:46,068 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 12:12:46,068 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1555623355, now seen corresponding path program 1 times [2022-03-20 12:12:46,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:46,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450334925] [2022-03-20 12:12:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-03-20 12:12:46,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:46,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450334925] [2022-03-20 12:12:46,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450334925] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:46,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:46,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:46,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037561095] [2022-03-20 12:12:46,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:46,226 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:46,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:46,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:46,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:46,226 INFO L87 Difference]: Start difference. First operand 696 states and 1004 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:48,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:48,722 INFO L93 Difference]: Finished difference Result 1814 states and 2620 transitions. [2022-03-20 12:12:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:48,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 137 [2022-03-20 12:12:48,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:48,727 INFO L225 Difference]: With dead ends: 1814 [2022-03-20 12:12:48,727 INFO L226 Difference]: Without dead ends: 1134 [2022-03-20 12:12:48,729 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:48,729 INFO L913 BasicCegarLoop]: 98 mSDtfsCounter, 108 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:48,729 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 280 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 12:12:48,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-03-20 12:12:48,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 785. [2022-03-20 12:12:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 780 states have (on average 1.4474358974358974) internal successors, (1129), 780 states have internal predecessors, (1129), 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) [2022-03-20 12:12:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1133 transitions. [2022-03-20 12:12:48,753 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1133 transitions. Word has length 137 [2022-03-20 12:12:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:48,754 INFO L478 AbstractCegarLoop]: Abstraction has 785 states and 1133 transitions. [2022-03-20 12:12:48,754 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1133 transitions. [2022-03-20 12:12:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-03-20 12:12:48,756 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:48,756 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:48,756 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 12:12:48,756 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1531425766, now seen corresponding path program 1 times [2022-03-20 12:12:48,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:48,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875671890] [2022-03-20 12:12:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:48,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 157 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-03-20 12:12:48,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:48,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875671890] [2022-03-20 12:12:48,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875671890] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:12:48,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246183159] [2022-03-20 12:12:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:12:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:12:48,958 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) [2022-03-20 12:12:48,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 12:12:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:49,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-20 12:12:49,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:12:49,869 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-03-20 12:12:49,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 143 [2022-03-20 12:12:49,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2022-03-20 12:12:49,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 12:12:49,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 12:12:50,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-03-20 12:12:50,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-03-20 12:12:50,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-03-20 12:12:50,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-03-20 12:12:50,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-03-20 12:12:50,212 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-20 12:12:50,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 12:12:50,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-20 12:12:50,336 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-20 12:12:50,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-03-20 12:12:50,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 12:12:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 66 proven. 50 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-03-20 12:12:50,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:12:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-03-20 12:12:50,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246183159] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-20 12:12:50,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-20 12:12:50,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2022-03-20 12:12:50,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447347023] [2022-03-20 12:12:50,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:50,599 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:12:50,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:12:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-03-20 12:12:50,599 INFO L87 Difference]: Start difference. First operand 785 states and 1133 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-03-20 12:12:52,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:52,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:52,901 INFO L93 Difference]: Finished difference Result 1968 states and 2844 transitions. [2022-03-20 12:12:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:12:52,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 137 [2022-03-20 12:12:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:52,906 INFO L225 Difference]: With dead ends: 1968 [2022-03-20 12:12:52,906 INFO L226 Difference]: Without dead ends: 1199 [2022-03-20 12:12:52,908 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-03-20 12:12:52,908 INFO L913 BasicCegarLoop]: 226 mSDtfsCounter, 93 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:52,908 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 535 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 222 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:12:52,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-03-20 12:12:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 915. [2022-03-20 12:12:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 910 states have (on average 1.4494505494505494) internal successors, (1319), 910 states have internal predecessors, (1319), 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) [2022-03-20 12:12:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1323 transitions. [2022-03-20 12:12:52,933 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1323 transitions. Word has length 137 [2022-03-20 12:12:52,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:52,933 INFO L478 AbstractCegarLoop]: Abstraction has 915 states and 1323 transitions. [2022-03-20 12:12:52,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-03-20 12:12:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1323 transitions. [2022-03-20 12:12:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-03-20 12:12:52,936 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:52,936 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:52,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-20 12:12:53,149 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,SelfDestructingSolverStorable13 [2022-03-20 12:12:53,150 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:53,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:53,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1598432519, now seen corresponding path program 1 times [2022-03-20 12:12:53,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:53,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876692914] [2022-03-20 12:12:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 12:12:53,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:53,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876692914] [2022-03-20 12:12:53,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876692914] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:53,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:53,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:53,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352803284] [2022-03-20 12:12:53,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:53,306 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:53,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:53,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:53,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:53,307 INFO L87 Difference]: Start difference. First operand 915 states and 1323 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:55,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:55,710 INFO L93 Difference]: Finished difference Result 2183 states and 3164 transitions. [2022-03-20 12:12:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:55,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 137 [2022-03-20 12:12:55,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:55,714 INFO L225 Difference]: With dead ends: 2183 [2022-03-20 12:12:55,714 INFO L226 Difference]: Without dead ends: 1284 [2022-03-20 12:12:55,716 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:55,717 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:55,718 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 284 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 385 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:12:55,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2022-03-20 12:12:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 927. [2022-03-20 12:12:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 922 states have (on average 1.4414316702819956) internal successors, (1329), 922 states have internal predecessors, (1329), 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) [2022-03-20 12:12:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1333 transitions. [2022-03-20 12:12:55,738 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1333 transitions. Word has length 137 [2022-03-20 12:12:55,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:55,738 INFO L478 AbstractCegarLoop]: Abstraction has 927 states and 1333 transitions. [2022-03-20 12:12:55,738 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1333 transitions. [2022-03-20 12:12:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-03-20 12:12:55,740 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:55,740 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:12:55,740 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 12:12:55,740 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:55,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash 62374513, now seen corresponding path program 1 times [2022-03-20 12:12:55,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:55,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952990031] [2022-03-20 12:12:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:55,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-03-20 12:12:55,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:55,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952990031] [2022-03-20 12:12:55,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952990031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:55,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:55,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:55,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047863258] [2022-03-20 12:12:55,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:55,930 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:55,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:55,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:55,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:55,930 INFO L87 Difference]: Start difference. First operand 927 states and 1333 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:57,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:12:58,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:12:58,319 INFO L93 Difference]: Finished difference Result 2190 states and 3154 transitions. [2022-03-20 12:12:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:12:58,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 138 [2022-03-20 12:12:58,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:12:58,323 INFO L225 Difference]: With dead ends: 2190 [2022-03-20 12:12:58,323 INFO L226 Difference]: Without dead ends: 1279 [2022-03-20 12:12:58,324 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:12:58,325 INFO L913 BasicCegarLoop]: 99 mSDtfsCounter, 108 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:12:58,325 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 282 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 384 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:12:58,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2022-03-20 12:12:58,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 931. [2022-03-20 12:12:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 926 states have (on average 1.4287257019438444) internal successors, (1323), 926 states have internal predecessors, (1323), 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) [2022-03-20 12:12:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1327 transitions. [2022-03-20 12:12:58,345 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1327 transitions. Word has length 138 [2022-03-20 12:12:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:12:58,345 INFO L478 AbstractCegarLoop]: Abstraction has 931 states and 1327 transitions. [2022-03-20 12:12:58,345 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:12:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1327 transitions. [2022-03-20 12:12:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-03-20 12:12:58,347 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:12:58,347 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-03-20 12:12:58,347 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 12:12:58,347 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:12:58,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:12:58,347 INFO L85 PathProgramCache]: Analyzing trace with hash -879760050, now seen corresponding path program 1 times [2022-03-20 12:12:58,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:12:58,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411591704] [2022-03-20 12:12:58,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:12:58,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:12:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:12:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:12:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-20 12:12:58,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:12:58,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411591704] [2022-03-20 12:12:58,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411591704] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:12:58,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:12:58,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:12:58,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57861499] [2022-03-20 12:12:58,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:12:58,495 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:12:58,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:12:58,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:12:58,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:12:58,496 INFO L87 Difference]: Start difference. First operand 931 states and 1327 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:00,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:01,070 INFO L93 Difference]: Finished difference Result 2129 states and 3033 transitions. [2022-03-20 12:13:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:01,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 152 [2022-03-20 12:13:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:01,076 INFO L225 Difference]: With dead ends: 2129 [2022-03-20 12:13:01,076 INFO L226 Difference]: Without dead ends: 1379 [2022-03-20 12:13:01,078 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:01,078 INFO L913 BasicCegarLoop]: 205 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:01,079 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 492 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 495 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 12:13:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2022-03-20 12:13:01,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1011. [2022-03-20 12:13:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1006 states have (on average 1.4055666003976144) internal successors, (1414), 1006 states have internal predecessors, (1414), 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) [2022-03-20 12:13:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1418 transitions. [2022-03-20 12:13:01,111 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1418 transitions. Word has length 152 [2022-03-20 12:13:01,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:01,111 INFO L478 AbstractCegarLoop]: Abstraction has 1011 states and 1418 transitions. [2022-03-20 12:13:01,111 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1418 transitions. [2022-03-20 12:13:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-20 12:13:01,114 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:01,114 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:01,114 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 12:13:01,114 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:01,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:01,115 INFO L85 PathProgramCache]: Analyzing trace with hash 456220279, now seen corresponding path program 1 times [2022-03-20 12:13:01,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:01,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468046881] [2022-03-20 12:13:01,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:01,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-20 12:13:01,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:01,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468046881] [2022-03-20 12:13:01,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468046881] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:01,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:01,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:01,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65890855] [2022-03-20 12:13:01,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:01,405 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:01,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:01,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:01,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:01,405 INFO L87 Difference]: Start difference. First operand 1011 states and 1418 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:03,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:03,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:03,925 INFO L93 Difference]: Finished difference Result 2176 states and 3068 transitions. [2022-03-20 12:13:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:03,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 153 [2022-03-20 12:13:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:03,930 INFO L225 Difference]: With dead ends: 2176 [2022-03-20 12:13:03,931 INFO L226 Difference]: Without dead ends: 1362 [2022-03-20 12:13:03,933 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:03,933 INFO L913 BasicCegarLoop]: 204 mSDtfsCounter, 106 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:03,934 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 490 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 12:13:03,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2022-03-20 12:13:03,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1014. [2022-03-20 12:13:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1009 states have (on average 1.3904856293359762) internal successors, (1403), 1009 states have internal predecessors, (1403), 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) [2022-03-20 12:13:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1407 transitions. [2022-03-20 12:13:03,966 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1407 transitions. Word has length 153 [2022-03-20 12:13:03,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:03,966 INFO L478 AbstractCegarLoop]: Abstraction has 1014 states and 1407 transitions. [2022-03-20 12:13:03,966 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1407 transitions. [2022-03-20 12:13:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-20 12:13:03,969 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:03,969 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:03,969 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 12:13:03,969 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:03,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:03,970 INFO L85 PathProgramCache]: Analyzing trace with hash -337729248, now seen corresponding path program 1 times [2022-03-20 12:13:03,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:03,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020006150] [2022-03-20 12:13:03,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:03,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-03-20 12:13:04,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:04,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020006150] [2022-03-20 12:13:04,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020006150] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:04,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:04,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:04,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182043413] [2022-03-20 12:13:04,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:04,177 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:04,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:04,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:04,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:04,178 INFO L87 Difference]: Start difference. First operand 1014 states and 1407 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 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) [2022-03-20 12:13:06,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:06,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:06,623 INFO L93 Difference]: Finished difference Result 2155 states and 2979 transitions. [2022-03-20 12:13:06,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:06,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 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 173 [2022-03-20 12:13:06,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:06,628 INFO L225 Difference]: With dead ends: 2155 [2022-03-20 12:13:06,628 INFO L226 Difference]: Without dead ends: 1157 [2022-03-20 12:13:06,630 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:06,630 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 26 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:06,630 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 483 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 353 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-03-20 12:13:06,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1110. [2022-03-20 12:13:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1105 states have (on average 1.3855203619909502) internal successors, (1531), 1105 states have internal predecessors, (1531), 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) [2022-03-20 12:13:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1535 transitions. [2022-03-20 12:13:06,660 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1535 transitions. Word has length 173 [2022-03-20 12:13:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:06,660 INFO L478 AbstractCegarLoop]: Abstraction has 1110 states and 1535 transitions. [2022-03-20 12:13:06,661 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 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) [2022-03-20 12:13:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1535 transitions. [2022-03-20 12:13:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-03-20 12:13:06,663 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:06,663 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:06,663 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 12:13:06,664 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:06,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:06,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1243361292, now seen corresponding path program 1 times [2022-03-20 12:13:06,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:06,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258618435] [2022-03-20 12:13:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:06,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-03-20 12:13:06,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:06,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258618435] [2022-03-20 12:13:06,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258618435] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:06,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:06,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:06,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567603810] [2022-03-20 12:13:06,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:06,848 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:06,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:06,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:06,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:06,848 INFO L87 Difference]: Start difference. First operand 1110 states and 1535 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:08,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:09,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:09,261 INFO L93 Difference]: Finished difference Result 2547 states and 3544 transitions. [2022-03-20 12:13:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:09,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 192 [2022-03-20 12:13:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:09,265 INFO L225 Difference]: With dead ends: 2547 [2022-03-20 12:13:09,265 INFO L226 Difference]: Without dead ends: 1453 [2022-03-20 12:13:09,268 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:09,269 INFO L913 BasicCegarLoop]: 102 mSDtfsCounter, 105 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:09,269 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 288 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:09,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2022-03-20 12:13:09,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1119. [2022-03-20 12:13:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1114 states have (on average 1.3779174147217235) internal successors, (1535), 1114 states have internal predecessors, (1535), 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) [2022-03-20 12:13:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1539 transitions. [2022-03-20 12:13:09,298 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1539 transitions. Word has length 192 [2022-03-20 12:13:09,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:09,298 INFO L478 AbstractCegarLoop]: Abstraction has 1119 states and 1539 transitions. [2022-03-20 12:13:09,298 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1539 transitions. [2022-03-20 12:13:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-03-20 12:13:09,300 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:09,300 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:09,300 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 12:13:09,301 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:09,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:09,301 INFO L85 PathProgramCache]: Analyzing trace with hash 370687491, now seen corresponding path program 1 times [2022-03-20 12:13:09,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:09,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926008660] [2022-03-20 12:13:09,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2022-03-20 12:13:09,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:09,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926008660] [2022-03-20 12:13:09,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926008660] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:09,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:09,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:09,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702934875] [2022-03-20 12:13:09,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:09,469 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:09,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:09,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:09,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:09,469 INFO L87 Difference]: Start difference. First operand 1119 states and 1539 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:10,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:12,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:14,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:16,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:17,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:17,072 INFO L93 Difference]: Finished difference Result 2398 states and 3285 transitions. [2022-03-20 12:13:17,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:17,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (3), 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 195 [2022-03-20 12:13:17,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:17,076 INFO L225 Difference]: With dead ends: 2398 [2022-03-20 12:13:17,076 INFO L226 Difference]: Without dead ends: 1295 [2022-03-20 12:13:17,078 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:17,078 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 22 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:17,079 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 476 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2022-03-20 12:13:17,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-03-20 12:13:17,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1249. [2022-03-20 12:13:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1244 states have (on average 1.3705787781350482) internal successors, (1705), 1244 states have internal predecessors, (1705), 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) [2022-03-20 12:13:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1709 transitions. [2022-03-20 12:13:17,102 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1709 transitions. Word has length 195 [2022-03-20 12:13:17,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:17,102 INFO L478 AbstractCegarLoop]: Abstraction has 1249 states and 1709 transitions. [2022-03-20 12:13:17,102 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1709 transitions. [2022-03-20 12:13:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-03-20 12:13:17,104 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:17,104 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 6, 6, 5, 5, 4, 4, 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] [2022-03-20 12:13:17,104 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-20 12:13:17,104 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:17,105 INFO L85 PathProgramCache]: Analyzing trace with hash -101536658, now seen corresponding path program 1 times [2022-03-20 12:13:17,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:17,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160660068] [2022-03-20 12:13:17,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:17,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 131 proven. 15 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-03-20 12:13:17,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:17,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160660068] [2022-03-20 12:13:17,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160660068] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:13:17,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355126596] [2022-03-20 12:13:17,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:17,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:13:17,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:13:17,282 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) [2022-03-20 12:13:17,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-20 12:13:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:18,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-20 12:13:18,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:13:18,170 INFO L356 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2022-03-20 12:13:18,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 143 [2022-03-20 12:13:18,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 63 [2022-03-20 12:13:18,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 12:13:18,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-03-20 12:13:18,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-03-20 12:13:18,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-03-20 12:13:18,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-03-20 12:13:18,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2022-03-20 12:13:18,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-03-20 12:13:18,460 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-20 12:13:18,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 12:13:18,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2022-03-20 12:13:18,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-20 12:13:18,644 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-20 12:13:18,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-03-20 12:13:18,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-03-20 12:13:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 124 proven. 95 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-03-20 12:13:18,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:13:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-03-20 12:13:18,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355126596] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-20 12:13:18,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-20 12:13:18,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 8] total 11 [2022-03-20 12:13:18,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678388979] [2022-03-20 12:13:18,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:18,909 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:13:18,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:18,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:13:18,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-03-20 12:13:18,910 INFO L87 Difference]: Start difference. First operand 1249 states and 1709 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2022-03-20 12:13:20,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:21,255 INFO L93 Difference]: Finished difference Result 2816 states and 3874 transitions. [2022-03-20 12:13:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:13:21,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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 220 [2022-03-20 12:13:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:21,261 INFO L225 Difference]: With dead ends: 2816 [2022-03-20 12:13:21,261 INFO L226 Difference]: Without dead ends: 1583 [2022-03-20 12:13:21,264 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-03-20 12:13:21,264 INFO L913 BasicCegarLoop]: 105 mSDtfsCounter, 101 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:21,265 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 293 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:13:21,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-03-20 12:13:21,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1134. [2022-03-20 12:13:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1129 states have (on average 1.3861824623560672) internal successors, (1565), 1129 states have internal predecessors, (1565), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1569 transitions. [2022-03-20 12:13:21,299 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1569 transitions. Word has length 220 [2022-03-20 12:13:21,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:21,299 INFO L478 AbstractCegarLoop]: Abstraction has 1134 states and 1569 transitions. [2022-03-20 12:13:21,300 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2022-03-20 12:13:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1569 transitions. [2022-03-20 12:13:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-20 12:13:21,316 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:21,317 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:21,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-20 12:13:21,531 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,SelfDestructingSolverStorable21 [2022-03-20 12:13:21,532 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:21,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:21,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1069477946, now seen corresponding path program 1 times [2022-03-20 12:13:21,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:21,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967735682] [2022-03-20 12:13:21,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:21,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-03-20 12:13:21,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:21,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967735682] [2022-03-20 12:13:21,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967735682] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:21,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:21,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669944176] [2022-03-20 12:13:21,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:21,813 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:21,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:21,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:21,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:21,814 INFO L87 Difference]: Start difference. First operand 1134 states and 1569 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:23,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:24,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:24,223 INFO L93 Difference]: Finished difference Result 2453 states and 3380 transitions. [2022-03-20 12:13:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:24,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 221 [2022-03-20 12:13:24,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:24,228 INFO L225 Difference]: With dead ends: 2453 [2022-03-20 12:13:24,228 INFO L226 Difference]: Without dead ends: 1335 [2022-03-20 12:13:24,230 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:24,230 INFO L913 BasicCegarLoop]: 195 mSDtfsCounter, 25 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:24,231 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 480 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 374 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:24,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-03-20 12:13:24,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1279. [2022-03-20 12:13:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1274 states have (on average 1.3814756671899528) internal successors, (1760), 1274 states have internal predecessors, (1760), 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) [2022-03-20 12:13:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1764 transitions. [2022-03-20 12:13:24,266 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1764 transitions. Word has length 221 [2022-03-20 12:13:24,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:24,267 INFO L478 AbstractCegarLoop]: Abstraction has 1279 states and 1764 transitions. [2022-03-20 12:13:24,267 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1764 transitions. [2022-03-20 12:13:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-03-20 12:13:24,271 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:24,272 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:24,272 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-20 12:13:24,272 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:24,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:24,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1640729179, now seen corresponding path program 1 times [2022-03-20 12:13:24,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:24,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981955042] [2022-03-20 12:13:24,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:24,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-03-20 12:13:24,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:24,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981955042] [2022-03-20 12:13:24,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981955042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:24,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:24,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:24,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394924501] [2022-03-20 12:13:24,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:24,486 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:24,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:24,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:24,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:24,487 INFO L87 Difference]: Start difference. First operand 1279 states and 1764 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:26,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:26,886 INFO L93 Difference]: Finished difference Result 2991 states and 4119 transitions. [2022-03-20 12:13:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:26,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 221 [2022-03-20 12:13:26,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:26,890 INFO L225 Difference]: With dead ends: 2991 [2022-03-20 12:13:26,891 INFO L226 Difference]: Without dead ends: 1728 [2022-03-20 12:13:26,893 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:26,894 INFO L913 BasicCegarLoop]: 103 mSDtfsCounter, 90 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 39 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:26,895 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 290 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 393 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:26,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-03-20 12:13:26,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1469. [2022-03-20 12:13:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1464 states have (on average 1.3934426229508197) internal successors, (2040), 1464 states have internal predecessors, (2040), 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) [2022-03-20 12:13:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2044 transitions. [2022-03-20 12:13:26,926 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2044 transitions. Word has length 221 [2022-03-20 12:13:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:26,926 INFO L478 AbstractCegarLoop]: Abstraction has 1469 states and 2044 transitions. [2022-03-20 12:13:26,927 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2044 transitions. [2022-03-20 12:13:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-03-20 12:13:26,928 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:26,929 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 6, 6, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:26,929 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-20 12:13:26,929 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:26,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1421526189, now seen corresponding path program 1 times [2022-03-20 12:13:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:26,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976620380] [2022-03-20 12:13:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-03-20 12:13:27,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:27,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976620380] [2022-03-20 12:13:27,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976620380] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:27,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:27,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:27,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297131623] [2022-03-20 12:13:27,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:27,174 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:27,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:27,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:27,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:27,174 INFO L87 Difference]: Start difference. First operand 1469 states and 2044 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:29,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:29,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:29,527 INFO L93 Difference]: Finished difference Result 3153 states and 4385 transitions. [2022-03-20 12:13:29,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:29,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 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 222 [2022-03-20 12:13:29,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:29,532 INFO L225 Difference]: With dead ends: 3153 [2022-03-20 12:13:29,533 INFO L226 Difference]: Without dead ends: 1700 [2022-03-20 12:13:29,535 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:29,535 INFO L913 BasicCegarLoop]: 201 mSDtfsCounter, 31 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:29,535 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 492 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 401 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:13:29,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-03-20 12:13:29,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1629. [2022-03-20 12:13:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1624 states have (on average 1.3977832512315271) internal successors, (2270), 1624 states have internal predecessors, (2270), 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) [2022-03-20 12:13:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2274 transitions. [2022-03-20 12:13:29,564 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2274 transitions. Word has length 222 [2022-03-20 12:13:29,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:29,565 INFO L478 AbstractCegarLoop]: Abstraction has 1629 states and 2274 transitions. [2022-03-20 12:13:29,565 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2274 transitions. [2022-03-20 12:13:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-03-20 12:13:29,567 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:29,567 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:29,567 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-20 12:13:29,567 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:29,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:29,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1241706876, now seen corresponding path program 1 times [2022-03-20 12:13:29,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:29,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765943036] [2022-03-20 12:13:29,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:29,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:29,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765943036] [2022-03-20 12:13:29,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765943036] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:29,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:29,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:29,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035247187] [2022-03-20 12:13:29,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:29,749 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:29,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:29,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:29,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:29,749 INFO L87 Difference]: Start difference. First operand 1629 states and 2274 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:31,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:32,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:32,162 INFO L93 Difference]: Finished difference Result 3502 states and 4897 transitions. [2022-03-20 12:13:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:32,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 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 252 [2022-03-20 12:13:32,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:32,167 INFO L225 Difference]: With dead ends: 3502 [2022-03-20 12:13:32,167 INFO L226 Difference]: Without dead ends: 1889 [2022-03-20 12:13:32,169 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:32,169 INFO L913 BasicCegarLoop]: 210 mSDtfsCounter, 58 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:32,169 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 510 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:32,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2022-03-20 12:13:32,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1729. [2022-03-20 12:13:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1724 states have (on average 1.3909512761020881) internal successors, (2398), 1724 states have internal predecessors, (2398), 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) [2022-03-20 12:13:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2402 transitions. [2022-03-20 12:13:32,197 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2402 transitions. Word has length 252 [2022-03-20 12:13:32,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:32,197 INFO L478 AbstractCegarLoop]: Abstraction has 1729 states and 2402 transitions. [2022-03-20 12:13:32,197 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2402 transitions. [2022-03-20 12:13:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-03-20 12:13:32,199 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:32,199 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 6, 6, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:32,199 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 12:13:32,199 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:32,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:32,200 INFO L85 PathProgramCache]: Analyzing trace with hash -835502467, now seen corresponding path program 1 times [2022-03-20 12:13:32,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:32,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394801978] [2022-03-20 12:13:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:32,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:32,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:32,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394801978] [2022-03-20 12:13:32,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394801978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:32,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:32,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:32,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909449083] [2022-03-20 12:13:32,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:32,426 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:32,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:32,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:32,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:32,427 INFO L87 Difference]: Start difference. First operand 1729 states and 2402 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:34,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:34,717 INFO L93 Difference]: Finished difference Result 3461 states and 4808 transitions. [2022-03-20 12:13:34,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:34,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 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 252 [2022-03-20 12:13:34,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:34,725 INFO L225 Difference]: With dead ends: 3461 [2022-03-20 12:13:34,725 INFO L226 Difference]: Without dead ends: 1748 [2022-03-20 12:13:34,727 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:34,727 INFO L913 BasicCegarLoop]: 180 mSDtfsCounter, 16 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:34,728 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 451 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 318 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:13:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2022-03-20 12:13:34,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1729. [2022-03-20 12:13:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1724 states have (on average 1.388631090487239) internal successors, (2394), 1724 states have internal predecessors, (2394), 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) [2022-03-20 12:13:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2398 transitions. [2022-03-20 12:13:34,754 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2398 transitions. Word has length 252 [2022-03-20 12:13:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:34,755 INFO L478 AbstractCegarLoop]: Abstraction has 1729 states and 2398 transitions. [2022-03-20 12:13:34,755 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2398 transitions. [2022-03-20 12:13:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-03-20 12:13:34,762 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:34,763 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 5, 5, 4, 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] [2022-03-20 12:13:34,763 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-20 12:13:34,763 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:34,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1422974223, now seen corresponding path program 1 times [2022-03-20 12:13:34,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:34,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57060528] [2022-03-20 12:13:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:34,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2022-03-20 12:13:34,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:34,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57060528] [2022-03-20 12:13:34,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57060528] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:34,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:34,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:34,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324796145] [2022-03-20 12:13:34,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:34,974 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:34,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:34,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:34,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:34,974 INFO L87 Difference]: Start difference. First operand 1729 states and 2398 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:36,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:37,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:37,333 INFO L93 Difference]: Finished difference Result 3237 states and 4473 transitions. [2022-03-20 12:13:37,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:37,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 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 270 [2022-03-20 12:13:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:37,360 INFO L225 Difference]: With dead ends: 3237 [2022-03-20 12:13:37,360 INFO L226 Difference]: Without dead ends: 1524 [2022-03-20 12:13:37,363 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:37,364 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 13 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:37,364 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 458 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 324 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 12:13:37,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2022-03-20 12:13:37,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1512. [2022-03-20 12:13:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1507 states have (on average 1.3755806237558061) internal successors, (2073), 1507 states have internal predecessors, (2073), 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) [2022-03-20 12:13:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2077 transitions. [2022-03-20 12:13:37,433 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2077 transitions. Word has length 270 [2022-03-20 12:13:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:37,434 INFO L478 AbstractCegarLoop]: Abstraction has 1512 states and 2077 transitions. [2022-03-20 12:13:37,434 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2077 transitions. [2022-03-20 12:13:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-03-20 12:13:37,442 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:37,442 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:37,442 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-20 12:13:37,443 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:37,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:37,443 INFO L85 PathProgramCache]: Analyzing trace with hash 35809752, now seen corresponding path program 1 times [2022-03-20 12:13:37,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:37,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000345296] [2022-03-20 12:13:37,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:37,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:37,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:37,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000345296] [2022-03-20 12:13:37,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000345296] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:37,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:37,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:37,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014554092] [2022-03-20 12:13:37,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:37,686 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:37,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:37,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:37,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:37,686 INFO L87 Difference]: Start difference. First operand 1512 states and 2077 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:39,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:40,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:40,132 INFO L93 Difference]: Finished difference Result 3129 states and 4313 transitions. [2022-03-20 12:13:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:40,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 272 [2022-03-20 12:13:40,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:40,136 INFO L225 Difference]: With dead ends: 3129 [2022-03-20 12:13:40,136 INFO L226 Difference]: Without dead ends: 1633 [2022-03-20 12:13:40,138 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:40,138 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 60 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:40,138 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 508 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:40,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2022-03-20 12:13:40,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1512. [2022-03-20 12:13:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1507 states have (on average 1.3735899137358991) internal successors, (2070), 1507 states have internal predecessors, (2070), 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) [2022-03-20 12:13:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2074 transitions. [2022-03-20 12:13:40,165 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2074 transitions. Word has length 272 [2022-03-20 12:13:40,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:40,165 INFO L478 AbstractCegarLoop]: Abstraction has 1512 states and 2074 transitions. [2022-03-20 12:13:40,165 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2074 transitions. [2022-03-20 12:13:40,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-03-20 12:13:40,168 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:40,168 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 5, 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] [2022-03-20 12:13:40,168 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-20 12:13:40,168 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:40,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:40,168 INFO L85 PathProgramCache]: Analyzing trace with hash 700118808, now seen corresponding path program 1 times [2022-03-20 12:13:40,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:40,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519381979] [2022-03-20 12:13:40,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:40,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:40,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:40,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519381979] [2022-03-20 12:13:40,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519381979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:40,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:40,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:40,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050423223] [2022-03-20 12:13:40,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:40,452 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:40,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:40,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:40,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:40,453 INFO L87 Difference]: Start difference. First operand 1512 states and 2074 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:42,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:42,867 INFO L93 Difference]: Finished difference Result 3264 states and 4486 transitions. [2022-03-20 12:13:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:42,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 273 [2022-03-20 12:13:42,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:42,870 INFO L225 Difference]: With dead ends: 3264 [2022-03-20 12:13:42,870 INFO L226 Difference]: Without dead ends: 1768 [2022-03-20 12:13:42,872 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:42,873 INFO L913 BasicCegarLoop]: 102 mSDtfsCounter, 103 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:42,873 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:42,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-03-20 12:13:42,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1512. [2022-03-20 12:13:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1507 states have (on average 1.3556735235567352) internal successors, (2043), 1507 states have internal predecessors, (2043), 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) [2022-03-20 12:13:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2047 transitions. [2022-03-20 12:13:42,900 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2047 transitions. Word has length 273 [2022-03-20 12:13:42,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:42,900 INFO L478 AbstractCegarLoop]: Abstraction has 1512 states and 2047 transitions. [2022-03-20 12:13:42,901 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2047 transitions. [2022-03-20 12:13:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-20 12:13:42,903 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:42,903 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 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] [2022-03-20 12:13:42,903 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-20 12:13:42,904 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:42,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:42,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1261088301, now seen corresponding path program 1 times [2022-03-20 12:13:42,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:42,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731410691] [2022-03-20 12:13:42,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:42,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:43,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:43,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731410691] [2022-03-20 12:13:43,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731410691] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:43,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:43,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:43,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207913963] [2022-03-20 12:13:43,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:43,161 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:43,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:43,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:43,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:43,163 INFO L87 Difference]: Start difference. First operand 1512 states and 2047 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 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) [2022-03-20 12:13:45,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:45,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:45,663 INFO L93 Difference]: Finished difference Result 3119 states and 4242 transitions. [2022-03-20 12:13:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:45,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 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 277 [2022-03-20 12:13:45,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:45,666 INFO L225 Difference]: With dead ends: 3119 [2022-03-20 12:13:45,666 INFO L226 Difference]: Without dead ends: 1623 [2022-03-20 12:13:45,668 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:45,668 INFO L913 BasicCegarLoop]: 204 mSDtfsCounter, 51 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:45,669 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 498 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 459 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 12:13:45,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2022-03-20 12:13:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1515. [2022-03-20 12:13:45,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1510 states have (on average 1.3549668874172185) internal successors, (2046), 1510 states have internal predecessors, (2046), 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) [2022-03-20 12:13:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2050 transitions. [2022-03-20 12:13:45,700 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2050 transitions. Word has length 277 [2022-03-20 12:13:45,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:45,700 INFO L478 AbstractCegarLoop]: Abstraction has 1515 states and 2050 transitions. [2022-03-20 12:13:45,701 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 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) [2022-03-20 12:13:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2050 transitions. [2022-03-20 12:13:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-20 12:13:45,704 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:45,704 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:45,704 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-20 12:13:45,704 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash 444958099, now seen corresponding path program 1 times [2022-03-20 12:13:45,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:45,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170279387] [2022-03-20 12:13:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:45,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:45,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170279387] [2022-03-20 12:13:45,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170279387] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:45,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:45,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268512850] [2022-03-20 12:13:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:45,975 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:45,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:45,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:45,976 INFO L87 Difference]: Start difference. First operand 1515 states and 2050 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 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) [2022-03-20 12:13:47,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:48,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:48,459 INFO L93 Difference]: Finished difference Result 3122 states and 4242 transitions. [2022-03-20 12:13:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:48,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 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 277 [2022-03-20 12:13:48,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:48,463 INFO L225 Difference]: With dead ends: 3122 [2022-03-20 12:13:48,463 INFO L226 Difference]: Without dead ends: 1623 [2022-03-20 12:13:48,465 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:48,466 INFO L913 BasicCegarLoop]: 203 mSDtfsCounter, 48 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:48,466 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 496 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 458 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:48,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2022-03-20 12:13:48,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1521. [2022-03-20 12:13:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1516 states have (on average 1.3555408970976253) internal successors, (2055), 1516 states have internal predecessors, (2055), 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) [2022-03-20 12:13:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2059 transitions. [2022-03-20 12:13:48,500 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2059 transitions. Word has length 277 [2022-03-20 12:13:48,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:48,500 INFO L478 AbstractCegarLoop]: Abstraction has 1521 states and 2059 transitions. [2022-03-20 12:13:48,500 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 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) [2022-03-20 12:13:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2059 transitions. [2022-03-20 12:13:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-03-20 12:13:48,503 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:48,503 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 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] [2022-03-20 12:13:48,503 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-20 12:13:48,504 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:48,504 INFO L85 PathProgramCache]: Analyzing trace with hash -131457259, now seen corresponding path program 1 times [2022-03-20 12:13:48,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:48,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183297658] [2022-03-20 12:13:48,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:48,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:48,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183297658] [2022-03-20 12:13:48,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183297658] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:48,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:48,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:48,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261626572] [2022-03-20 12:13:48,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:48,749 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:48,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:48,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:48,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:48,750 INFO L87 Difference]: Start difference. First operand 1521 states and 2059 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:50,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:51,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:51,243 INFO L93 Difference]: Finished difference Result 3282 states and 4456 transitions. [2022-03-20 12:13:51,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:51,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 278 [2022-03-20 12:13:51,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:51,247 INFO L225 Difference]: With dead ends: 3282 [2022-03-20 12:13:51,247 INFO L226 Difference]: Without dead ends: 1777 [2022-03-20 12:13:51,249 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:51,249 INFO L913 BasicCegarLoop]: 102 mSDtfsCounter, 98 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:51,250 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:51,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2022-03-20 12:13:51,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1533. [2022-03-20 12:13:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1528 states have (on average 1.3481675392670156) internal successors, (2060), 1528 states have internal predecessors, (2060), 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) [2022-03-20 12:13:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2064 transitions. [2022-03-20 12:13:51,285 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2064 transitions. Word has length 278 [2022-03-20 12:13:51,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:51,286 INFO L478 AbstractCegarLoop]: Abstraction has 1533 states and 2064 transitions. [2022-03-20 12:13:51,286 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2064 transitions. [2022-03-20 12:13:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-03-20 12:13:51,288 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:51,289 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:51,289 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-20 12:13:51,289 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:51,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:51,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1281176948, now seen corresponding path program 1 times [2022-03-20 12:13:51,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:51,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517402083] [2022-03-20 12:13:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:51,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:51,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517402083] [2022-03-20 12:13:51,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517402083] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:51,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:51,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081732383] [2022-03-20 12:13:51,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:51,533 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:51,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:51,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:51,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:51,534 INFO L87 Difference]: Start difference. First operand 1533 states and 2064 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:53,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:54,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:54,016 INFO L93 Difference]: Finished difference Result 3294 states and 4442 transitions. [2022-03-20 12:13:54,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:54,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 278 [2022-03-20 12:13:54,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:54,020 INFO L225 Difference]: With dead ends: 3294 [2022-03-20 12:13:54,021 INFO L226 Difference]: Without dead ends: 1777 [2022-03-20 12:13:54,023 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:54,025 INFO L913 BasicCegarLoop]: 102 mSDtfsCounter, 95 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:54,025 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:54,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2022-03-20 12:13:54,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1541. [2022-03-20 12:13:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1536 states have (on average 1.34375) internal successors, (2064), 1536 states have internal predecessors, (2064), 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) [2022-03-20 12:13:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2068 transitions. [2022-03-20 12:13:54,061 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2068 transitions. Word has length 278 [2022-03-20 12:13:54,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:54,062 INFO L478 AbstractCegarLoop]: Abstraction has 1541 states and 2068 transitions. [2022-03-20 12:13:54,062 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2068 transitions. [2022-03-20 12:13:54,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-03-20 12:13:54,065 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:54,065 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:54,066 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-20 12:13:54,066 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:54,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:54,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1589256526, now seen corresponding path program 1 times [2022-03-20 12:13:54,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:54,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39509303] [2022-03-20 12:13:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:54,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:54,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:54,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39509303] [2022-03-20 12:13:54,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39509303] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:54,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:54,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:54,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988448834] [2022-03-20 12:13:54,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:54,350 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:54,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:54,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:54,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:54,350 INFO L87 Difference]: Start difference. First operand 1541 states and 2068 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:56,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:56,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:56,835 INFO L93 Difference]: Finished difference Result 3302 states and 4434 transitions. [2022-03-20 12:13:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:56,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (3), 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 279 [2022-03-20 12:13:56,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:56,839 INFO L225 Difference]: With dead ends: 3302 [2022-03-20 12:13:56,839 INFO L226 Difference]: Without dead ends: 1777 [2022-03-20 12:13:56,841 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:56,842 INFO L913 BasicCegarLoop]: 102 mSDtfsCounter, 93 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:56,842 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 288 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:13:56,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2022-03-20 12:13:56,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1545. [2022-03-20 12:13:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1540 states have (on average 1.3376623376623376) internal successors, (2060), 1540 states have internal predecessors, (2060), 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) [2022-03-20 12:13:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2064 transitions. [2022-03-20 12:13:56,881 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2064 transitions. Word has length 279 [2022-03-20 12:13:56,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:56,881 INFO L478 AbstractCegarLoop]: Abstraction has 1545 states and 2064 transitions. [2022-03-20 12:13:56,882 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2064 transitions. [2022-03-20 12:13:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-03-20 12:13:56,884 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:56,884 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:56,884 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-20 12:13:56,885 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:56,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1683138830, now seen corresponding path program 1 times [2022-03-20 12:13:56,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:56,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495608485] [2022-03-20 12:13:56,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:56,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:57,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:57,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495608485] [2022-03-20 12:13:57,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495608485] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:57,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:57,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:57,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903895888] [2022-03-20 12:13:57,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:57,132 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:57,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:57,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:57,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:57,133 INFO L87 Difference]: Start difference. First operand 1545 states and 2064 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:59,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:13:59,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:13:59,638 INFO L93 Difference]: Finished difference Result 3161 states and 4234 transitions. [2022-03-20 12:13:59,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:13:59,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 280 [2022-03-20 12:13:59,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:13:59,640 INFO L225 Difference]: With dead ends: 3161 [2022-03-20 12:13:59,640 INFO L226 Difference]: Without dead ends: 1632 [2022-03-20 12:13:59,646 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:13:59,647 INFO L913 BasicCegarLoop]: 197 mSDtfsCounter, 38 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 12:13:59,657 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 484 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 437 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 12:13:59,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2022-03-20 12:13:59,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1554. [2022-03-20 12:13:59,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1549 states have (on average 1.3357004519044544) internal successors, (2069), 1549 states have internal predecessors, (2069), 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) [2022-03-20 12:13:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2073 transitions. [2022-03-20 12:13:59,687 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2073 transitions. Word has length 280 [2022-03-20 12:13:59,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:13:59,688 INFO L478 AbstractCegarLoop]: Abstraction has 1554 states and 2073 transitions. [2022-03-20 12:13:59,688 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:13:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2073 transitions. [2022-03-20 12:13:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-20 12:13:59,690 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:13:59,690 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:13:59,690 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-20 12:13:59,691 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:13:59,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:13:59,691 INFO L85 PathProgramCache]: Analyzing trace with hash -873558392, now seen corresponding path program 1 times [2022-03-20 12:13:59,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:13:59,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378844155] [2022-03-20 12:13:59,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:13:59,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:13:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:13:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:13:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:13:59,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:13:59,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378844155] [2022-03-20 12:13:59,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378844155] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:13:59,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:13:59,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:13:59,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911760757] [2022-03-20 12:13:59,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:13:59,960 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:13:59,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:13:59,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:13:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:13:59,961 INFO L87 Difference]: Start difference. First operand 1554 states and 2073 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:01,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:02,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:02,435 INFO L93 Difference]: Finished difference Result 3170 states and 4240 transitions. [2022-03-20 12:14:02,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:02,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 283 [2022-03-20 12:14:02,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:02,438 INFO L225 Difference]: With dead ends: 3170 [2022-03-20 12:14:02,438 INFO L226 Difference]: Without dead ends: 1632 [2022-03-20 12:14:02,440 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:02,441 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 36 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:02,441 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 482 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 436 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2022-03-20 12:14:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1557. [2022-03-20 12:14:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1552 states have (on average 1.3350515463917525) internal successors, (2072), 1552 states have internal predecessors, (2072), 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) [2022-03-20 12:14:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2076 transitions. [2022-03-20 12:14:02,478 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2076 transitions. Word has length 283 [2022-03-20 12:14:02,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:02,478 INFO L478 AbstractCegarLoop]: Abstraction has 1557 states and 2076 transitions. [2022-03-20 12:14:02,479 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:02,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2076 transitions. [2022-03-20 12:14:02,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-20 12:14:02,481 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:02,482 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:14:02,482 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-20 12:14:02,482 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:02,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:02,482 INFO L85 PathProgramCache]: Analyzing trace with hash 832488008, now seen corresponding path program 1 times [2022-03-20 12:14:02,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:02,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702768693] [2022-03-20 12:14:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:02,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:14:02,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:02,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702768693] [2022-03-20 12:14:02,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702768693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:14:02,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:14:02,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:14:02,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444561956] [2022-03-20 12:14:02,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:14:02,792 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:14:02,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:14:02,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:14:02,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:14:02,792 INFO L87 Difference]: Start difference. First operand 1557 states and 2076 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:04,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:05,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:05,292 INFO L93 Difference]: Finished difference Result 3474 states and 4642 transitions. [2022-03-20 12:14:05,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:05,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 283 [2022-03-20 12:14:05,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:05,297 INFO L225 Difference]: With dead ends: 3474 [2022-03-20 12:14:05,297 INFO L226 Difference]: Without dead ends: 1933 [2022-03-20 12:14:05,299 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:05,300 INFO L913 BasicCegarLoop]: 105 mSDtfsCounter, 88 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:05,300 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 294 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 392 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:05,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-03-20 12:14:05,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1709. [2022-03-20 12:14:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1709 states, 1704 states have (on average 1.34037558685446) internal successors, (2284), 1704 states have internal predecessors, (2284), 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) [2022-03-20 12:14:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2288 transitions. [2022-03-20 12:14:05,348 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2288 transitions. Word has length 283 [2022-03-20 12:14:05,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:05,348 INFO L478 AbstractCegarLoop]: Abstraction has 1709 states and 2288 transitions. [2022-03-20 12:14:05,348 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2288 transitions. [2022-03-20 12:14:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-03-20 12:14:05,351 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:05,351 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:14:05,351 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-20 12:14:05,357 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:05,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1884893515, now seen corresponding path program 1 times [2022-03-20 12:14:05,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:05,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824149340] [2022-03-20 12:14:05,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:05,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:14:05,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:05,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824149340] [2022-03-20 12:14:05,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824149340] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:14:05,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:14:05,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:14:05,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64582825] [2022-03-20 12:14:05,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:14:05,605 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:14:05,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:14:05,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:14:05,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:14:05,605 INFO L87 Difference]: Start difference. First operand 1709 states and 2288 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:07,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:08,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:08,124 INFO L93 Difference]: Finished difference Result 3468 states and 4649 transitions. [2022-03-20 12:14:08,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:08,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 284 [2022-03-20 12:14:08,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:08,128 INFO L225 Difference]: With dead ends: 3468 [2022-03-20 12:14:08,129 INFO L226 Difference]: Without dead ends: 1775 [2022-03-20 12:14:08,132 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:08,133 INFO L913 BasicCegarLoop]: 193 mSDtfsCounter, 31 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:08,133 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 476 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 422 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:08,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-03-20 12:14:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1712. [2022-03-20 12:14:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1707 states have (on average 1.3397773872290568) internal successors, (2287), 1707 states have internal predecessors, (2287), 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) [2022-03-20 12:14:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2291 transitions. [2022-03-20 12:14:08,176 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2291 transitions. Word has length 284 [2022-03-20 12:14:08,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:08,177 INFO L478 AbstractCegarLoop]: Abstraction has 1712 states and 2291 transitions. [2022-03-20 12:14:08,177 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2291 transitions. [2022-03-20 12:14:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-03-20 12:14:08,180 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:08,180 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:14:08,180 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-20 12:14:08,180 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:08,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:08,180 INFO L85 PathProgramCache]: Analyzing trace with hash -997439574, now seen corresponding path program 1 times [2022-03-20 12:14:08,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:08,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096737759] [2022-03-20 12:14:08,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:08,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:08,442 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:14:08,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:08,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096737759] [2022-03-20 12:14:08,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096737759] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:14:08,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:14:08,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:14:08,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333922163] [2022-03-20 12:14:08,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:14:08,444 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:14:08,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:14:08,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:14:08,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:14:08,444 INFO L87 Difference]: Start difference. First operand 1712 states and 2291 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:10,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:10,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:10,901 INFO L93 Difference]: Finished difference Result 3465 states and 4643 transitions. [2022-03-20 12:14:10,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:10,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 284 [2022-03-20 12:14:10,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:10,905 INFO L225 Difference]: With dead ends: 3465 [2022-03-20 12:14:10,905 INFO L226 Difference]: Without dead ends: 1769 [2022-03-20 12:14:10,907 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:10,908 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 27 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:10,909 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 472 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:10,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2022-03-20 12:14:10,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1718. [2022-03-20 12:14:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1713 states have (on average 1.3385872737886748) internal successors, (2293), 1713 states have internal predecessors, (2293), 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) [2022-03-20 12:14:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2297 transitions. [2022-03-20 12:14:10,952 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2297 transitions. Word has length 284 [2022-03-20 12:14:10,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:10,953 INFO L478 AbstractCegarLoop]: Abstraction has 1718 states and 2297 transitions. [2022-03-20 12:14:10,953 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:10,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2297 transitions. [2022-03-20 12:14:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-03-20 12:14:10,956 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:10,956 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 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] [2022-03-20 12:14:10,956 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-20 12:14:10,956 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:10,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:10,957 INFO L85 PathProgramCache]: Analyzing trace with hash 885984726, now seen corresponding path program 1 times [2022-03-20 12:14:10,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:10,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023357942] [2022-03-20 12:14:10,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:10,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:14:11,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:11,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023357942] [2022-03-20 12:14:11,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023357942] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:14:11,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:14:11,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:14:11,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967020289] [2022-03-20 12:14:11,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:14:11,331 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:14:11,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:14:11,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:14:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:14:11,334 INFO L87 Difference]: Start difference. First operand 1718 states and 2297 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:13,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:13,770 INFO L93 Difference]: Finished difference Result 3465 states and 4640 transitions. [2022-03-20 12:14:13,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:13,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 288 [2022-03-20 12:14:13,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:13,774 INFO L225 Difference]: With dead ends: 3465 [2022-03-20 12:14:13,775 INFO L226 Difference]: Without dead ends: 1763 [2022-03-20 12:14:13,777 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:13,778 INFO L913 BasicCegarLoop]: 189 mSDtfsCounter, 23 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:13,778 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 468 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 410 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2022-03-20 12:14:13,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1724. [2022-03-20 12:14:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1719 states have (on average 1.3374054682955208) internal successors, (2299), 1719 states have internal predecessors, (2299), 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) [2022-03-20 12:14:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2303 transitions. [2022-03-20 12:14:13,823 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2303 transitions. Word has length 288 [2022-03-20 12:14:13,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:13,823 INFO L478 AbstractCegarLoop]: Abstraction has 1724 states and 2303 transitions. [2022-03-20 12:14:13,823 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2303 transitions. [2022-03-20 12:14:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-03-20 12:14:13,826 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:13,826 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:14:13,826 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-20 12:14:13,827 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:13,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:13,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1601195619, now seen corresponding path program 1 times [2022-03-20 12:14:13,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:13,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906898616] [2022-03-20 12:14:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:13,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:14:14,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:14,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906898616] [2022-03-20 12:14:14,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906898616] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:14:14,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:14:14,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:14:14,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111773258] [2022-03-20 12:14:14,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:14:14,081 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:14:14,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:14:14,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:14:14,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:14:14,082 INFO L87 Difference]: Start difference. First operand 1724 states and 2303 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:16,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:16,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:16,571 INFO L93 Difference]: Finished difference Result 3471 states and 4643 transitions. [2022-03-20 12:14:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:16,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 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 288 [2022-03-20 12:14:16,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:16,575 INFO L225 Difference]: With dead ends: 3471 [2022-03-20 12:14:16,575 INFO L226 Difference]: Without dead ends: 1763 [2022-03-20 12:14:16,577 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:16,578 INFO L913 BasicCegarLoop]: 188 mSDtfsCounter, 21 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:16,578 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 466 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 409 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:16,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2022-03-20 12:14:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1727. [2022-03-20 12:14:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1722 states have (on average 1.3368176538908245) internal successors, (2302), 1722 states have internal predecessors, (2302), 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) [2022-03-20 12:14:16,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2306 transitions. [2022-03-20 12:14:16,620 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2306 transitions. Word has length 288 [2022-03-20 12:14:16,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:16,621 INFO L478 AbstractCegarLoop]: Abstraction has 1727 states and 2306 transitions. [2022-03-20 12:14:16,621 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 4 states have internal predecessors, (151), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:16,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2306 transitions. [2022-03-20 12:14:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-03-20 12:14:16,624 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:16,624 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:14:16,624 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-20 12:14:16,624 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:16,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:16,625 INFO L85 PathProgramCache]: Analyzing trace with hash -693063078, now seen corresponding path program 1 times [2022-03-20 12:14:16,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:16,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818327762] [2022-03-20 12:14:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:14:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:16,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818327762] [2022-03-20 12:14:16,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818327762] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:14:16,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:14:16,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:14:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800810309] [2022-03-20 12:14:16,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:14:16,877 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:14:16,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:14:16,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:14:16,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:14:16,878 INFO L87 Difference]: Start difference. First operand 1727 states and 2306 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:18,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:19,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:19,299 INFO L93 Difference]: Finished difference Result 3468 states and 4637 transitions. [2022-03-20 12:14:19,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:19,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 289 [2022-03-20 12:14:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:19,301 INFO L225 Difference]: With dead ends: 3468 [2022-03-20 12:14:19,301 INFO L226 Difference]: Without dead ends: 1757 [2022-03-20 12:14:19,304 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:19,304 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 18 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:19,304 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 462 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 403 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:19,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-03-20 12:14:19,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1730. [2022-03-20 12:14:19,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1725 states have (on average 1.336231884057971) internal successors, (2305), 1725 states have internal predecessors, (2305), 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) [2022-03-20 12:14:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2309 transitions. [2022-03-20 12:14:19,345 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2309 transitions. Word has length 289 [2022-03-20 12:14:19,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:19,345 INFO L478 AbstractCegarLoop]: Abstraction has 1730 states and 2309 transitions. [2022-03-20 12:14:19,345 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 states have internal predecessors, (152), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2309 transitions. [2022-03-20 12:14:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-03-20 12:14:19,349 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:19,349 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:14:19,349 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-20 12:14:19,349 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:19,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1488727516, now seen corresponding path program 1 times [2022-03-20 12:14:19,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:19,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788058309] [2022-03-20 12:14:19,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:19,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-03-20 12:14:19,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:19,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788058309] [2022-03-20 12:14:19,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788058309] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:14:19,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:14:19,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 12:14:19,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939621850] [2022-03-20 12:14:19,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:14:19,642 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 12:14:19,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:14:19,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 12:14:19,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:14:19,642 INFO L87 Difference]: Start difference. First operand 1730 states and 2309 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:21,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 12:14:22,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:14:22,104 INFO L93 Difference]: Finished difference Result 3648 states and 4860 transitions. [2022-03-20 12:14:22,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 12:14:22,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 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 290 [2022-03-20 12:14:22,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:14:22,107 INFO L225 Difference]: With dead ends: 3648 [2022-03-20 12:14:22,107 INFO L226 Difference]: Without dead ends: 1930 [2022-03-20 12:14:22,109 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:14:22,110 INFO L913 BasicCegarLoop]: 105 mSDtfsCounter, 80 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-20 12:14:22,110 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 294 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 381 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-03-20 12:14:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2022-03-20 12:14:22,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1758. [2022-03-20 12:14:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1758 states, 1753 states have (on average 1.3445521962350258) internal successors, (2357), 1753 states have internal predecessors, (2357), 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) [2022-03-20 12:14:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2361 transitions. [2022-03-20 12:14:22,154 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2361 transitions. Word has length 290 [2022-03-20 12:14:22,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:14:22,154 INFO L478 AbstractCegarLoop]: Abstraction has 1758 states and 2361 transitions. [2022-03-20 12:14:22,154 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:14:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2361 transitions. [2022-03-20 12:14:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-03-20 12:14:22,156 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:14:22,157 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:14:22,157 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-20 12:14:22,157 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:14:22,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:14:22,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1235340779, now seen corresponding path program 1 times [2022-03-20 12:14:22,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:14:22,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113523319] [2022-03-20 12:14:22,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:22,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:14:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:14:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 432 proven. 252 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-03-20 12:14:24,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:14:24,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113523319] [2022-03-20 12:14:24,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113523319] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:14:24,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147535963] [2022-03-20 12:14:24,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:14:24,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:14:24,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:14:25,003 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) [2022-03-20 12:14:25,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-20 12:14:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:14:27,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 2005 conjuncts, 299 conjunts are in the unsatisfiable core [2022-03-20 12:14:27,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:14:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:28,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 12:14:28,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 12:14:28,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-20 12:14:28,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41437 treesize of output 38261 [2022-03-20 12:14:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-20 12:14:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver