/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 12:05:17,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 12:05:17,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 12:05:17,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 12:05:17,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 12:05:17,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 12:05:17,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 12:05:17,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 12:05:17,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 12:05:17,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 12:05:17,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 12:05:17,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 12:05:17,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 12:05:17,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 12:05:17,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 12:05:17,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 12:05:17,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 12:05:17,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 12:05:17,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 12:05:17,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 12:05:17,994 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 12:05:17,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 12:05:17,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 12:05:17,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 12:05:17,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 12:05:18,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 12:05:18,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 12:05:18,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 12:05:18,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 12:05:18,012 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 12:05:18,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 12:05:18,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 12:05:18,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 12:05:18,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 12:05:18,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 12:05:18,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 12:05:18,032 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 12:05:18,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 12:05:18,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 12:05:18,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 12:05:18,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 12:05:18,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 12:05:18,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:05:18,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 12:05:18,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 12:05:18,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 12:05:18,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 12:05:18,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 12:05:18,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 12:05:18,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 12:05:18,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 12:05:18,036 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 12:05:18,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 12:05:18,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 12:05:18,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 12:05:18,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 12:05:18,250 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 12:05:18,251 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 12:05:18,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-03-20 12:05:18,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3d0daf8/5f44d57fbedf4a02ac31eea31b642637/FLAG36a8633f6 [2022-03-20 12:05:18,705 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 12:05:18,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c [2022-03-20 12:05:18,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3d0daf8/5f44d57fbedf4a02ac31eea31b642637/FLAG36a8633f6 [2022-03-20 12:05:19,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3d0daf8/5f44d57fbedf4a02ac31eea31b642637 [2022-03-20 12:05:19,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 12:05:19,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 12:05:19,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 12:05:19,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 12:05:19,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 12:05:19,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bcf865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19, skipping insertion in model container [2022-03-20 12:05:19,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 12:05:19,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 12:05:19,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c[35497,35510] [2022-03-20 12:05:19,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:05:19,377 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 12:05:19,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_1.cil-1.c[35497,35510] [2022-03-20 12:05:19,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 12:05:19,419 INFO L208 MainTranslator]: Completed translation [2022-03-20 12:05:19,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19 WrapperNode [2022-03-20 12:05:19,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 12:05:19,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 12:05:19,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 12:05:19,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 12:05:19,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 12:05:19,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 12:05:19,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 12:05:19,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 12:05:19,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 12:05:19,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:19,513 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 12:05:19,553 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 12:05:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 12:05:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 12:05:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 12:05:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2022-03-20 12:05:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 12:05:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 12:05:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 12:05:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 12:05:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 12:05:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 12:05:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 12:05:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 12:05:19,645 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 12:05:19,646 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 12:05:19,717 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 12:05:19,982 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-03-20 12:05:19,982 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-03-20 12:05:19,984 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 12:05:19,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 12:05:19,990 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 12:05:19,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:05:19 BoogieIcfgContainer [2022-03-20 12:05:19,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 12:05:19,992 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 12:05:19,992 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 12:05:19,993 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 12:05:19,995 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:05:19" (1/1) ... [2022-03-20 12:05:19,996 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 12:05:20,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:05:20 BasicIcfg [2022-03-20 12:05:20,019 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 12:05:20,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 12:05:20,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 12:05:20,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 12:05:20,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 12:05:19" (1/4) ... [2022-03-20 12:05:20,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af7e713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:05:20, skipping insertion in model container [2022-03-20 12:05:20,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 12:05:19" (2/4) ... [2022-03-20 12:05:20,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af7e713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 12:05:20, skipping insertion in model container [2022-03-20 12:05:20,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 12:05:19" (3/4) ... [2022-03-20 12:05:20,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af7e713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 12:05:20, skipping insertion in model container [2022-03-20 12:05:20,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 12:05:20" (4/4) ... [2022-03-20 12:05:20,026 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.cqvasr [2022-03-20 12:05:20,030 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 12:05:20,030 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 12:05:20,073 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 12:05:20,079 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 12:05:20,079 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 12:05:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 128 states have (on average 1.703125) internal successors, (218), 129 states have internal predecessors, (218), 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 12:05:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-20 12:05:20,112 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:20,112 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 12:05:20,113 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:20,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:20,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1429632901, now seen corresponding path program 1 times [2022-03-20 12:05:20,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:20,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037724999] [2022-03-20 12:05:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:20,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:20,347 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 12:05:20,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:20,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037724999] [2022-03-20 12:05:20,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037724999] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:20,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:20,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:20,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458439670] [2022-03-20 12:05:20,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:20,354 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:20,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:20,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:20,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:20,376 INFO L87 Difference]: Start difference. First operand has 136 states, 128 states have (on average 1.703125) internal successors, (218), 129 states have internal predecessors, (218), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:20,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:20,750 INFO L93 Difference]: Finished difference Result 373 states and 628 transitions. [2022-03-20 12:05:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:20,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-03-20 12:05:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:20,760 INFO L225 Difference]: With dead ends: 373 [2022-03-20 12:05:20,760 INFO L226 Difference]: Without dead ends: 217 [2022-03-20 12:05:20,763 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:20,765 INFO L913 BasicCegarLoop]: 214 mSDtfsCounter, 575 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:20,766 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 223 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 12:05:20,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-03-20 12:05:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-03-20 12:05:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 212 states have (on average 1.4952830188679245) internal successors, (317), 212 states have internal predecessors, (317), 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 12:05:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 321 transitions. [2022-03-20 12:05:20,803 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 321 transitions. Word has length 30 [2022-03-20 12:05:20,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:20,804 INFO L478 AbstractCegarLoop]: Abstraction has 217 states and 321 transitions. [2022-03-20 12:05:20,804 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 321 transitions. [2022-03-20 12:05:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-20 12:05:20,806 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:20,806 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:20,806 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 12:05:20,806 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:20,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:20,807 INFO L85 PathProgramCache]: Analyzing trace with hash -249836072, now seen corresponding path program 1 times [2022-03-20 12:05:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:20,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522003262] [2022-03-20 12:05:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 12:05:20,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:20,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522003262] [2022-03-20 12:05:20,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522003262] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:20,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:20,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:20,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892037125] [2022-03-20 12:05:20,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:20,873 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:20,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:20,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:20,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:20,874 INFO L87 Difference]: Start difference. First operand 217 states and 321 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:21,105 INFO L93 Difference]: Finished difference Result 346 states and 519 transitions. [2022-03-20 12:05:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:21,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-03-20 12:05:21,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:21,107 INFO L225 Difference]: With dead ends: 346 [2022-03-20 12:05:21,108 INFO L226 Difference]: Without dead ends: 242 [2022-03-20 12:05:21,108 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:21,109 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 188 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:21,109 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 192 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:21,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-03-20 12:05:21,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 234. [2022-03-20 12:05:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 229 states have (on average 1.480349344978166) internal successors, (339), 229 states have internal predecessors, (339), 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 12:05:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 343 transitions. [2022-03-20 12:05:21,121 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 343 transitions. Word has length 44 [2022-03-20 12:05:21,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:21,121 INFO L478 AbstractCegarLoop]: Abstraction has 234 states and 343 transitions. [2022-03-20 12:05:21,121 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,122 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 343 transitions. [2022-03-20 12:05:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 12:05:21,123 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:21,123 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:21,123 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 12:05:21,123 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:21,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:21,124 INFO L85 PathProgramCache]: Analyzing trace with hash 55715608, now seen corresponding path program 1 times [2022-03-20 12:05:21,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:21,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724040724] [2022-03-20 12:05:21,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:21,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 12:05:21,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:21,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724040724] [2022-03-20 12:05:21,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724040724] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:21,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:21,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:21,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830181210] [2022-03-20 12:05:21,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:21,193 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:21,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:21,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:21,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:21,194 INFO L87 Difference]: Start difference. First operand 234 states and 343 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:21,348 INFO L93 Difference]: Finished difference Result 376 states and 550 transitions. [2022-03-20 12:05:21,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:21,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 12:05:21,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:21,350 INFO L225 Difference]: With dead ends: 376 [2022-03-20 12:05:21,350 INFO L226 Difference]: Without dead ends: 255 [2022-03-20 12:05:21,351 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:21,351 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:21,352 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 203 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:21,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-03-20 12:05:21,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-03-20 12:05:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 250 states have (on average 1.464) internal successors, (366), 250 states have internal predecessors, (366), 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 12:05:21,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 370 transitions. [2022-03-20 12:05:21,362 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 370 transitions. Word has length 61 [2022-03-20 12:05:21,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:21,362 INFO L478 AbstractCegarLoop]: Abstraction has 255 states and 370 transitions. [2022-03-20 12:05:21,362 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,363 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 370 transitions. [2022-03-20 12:05:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 12:05:21,364 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:21,364 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:21,365 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 12:05:21,365 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:21,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:21,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2132924951, now seen corresponding path program 1 times [2022-03-20 12:05:21,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:21,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254340694] [2022-03-20 12:05:21,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:21,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 12:05:21,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:21,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254340694] [2022-03-20 12:05:21,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254340694] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:21,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:21,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:21,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094260369] [2022-03-20 12:05:21,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:21,451 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:21,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:21,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:21,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:21,452 INFO L87 Difference]: Start difference. First operand 255 states and 370 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:21,681 INFO L93 Difference]: Finished difference Result 599 states and 901 transitions. [2022-03-20 12:05:21,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:21,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 12:05:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:21,684 INFO L225 Difference]: With dead ends: 599 [2022-03-20 12:05:21,685 INFO L226 Difference]: Without dead ends: 355 [2022-03-20 12:05:21,687 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:21,694 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:21,695 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 203 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:21,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-03-20 12:05:21,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 337. [2022-03-20 12:05:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 332 states have (on average 1.4036144578313252) internal successors, (466), 332 states have internal predecessors, (466), 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 12:05:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 470 transitions. [2022-03-20 12:05:21,714 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 470 transitions. Word has length 61 [2022-03-20 12:05:21,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:21,714 INFO L478 AbstractCegarLoop]: Abstraction has 337 states and 470 transitions. [2022-03-20 12:05:21,714 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 470 transitions. [2022-03-20 12:05:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-20 12:05:21,719 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:21,719 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:21,719 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 12:05:21,720 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash -917277864, now seen corresponding path program 1 times [2022-03-20 12:05:21,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:21,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208410901] [2022-03-20 12:05:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 12:05:21,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:21,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208410901] [2022-03-20 12:05:21,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208410901] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:21,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:21,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:21,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539914200] [2022-03-20 12:05:21,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:21,805 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:21,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:21,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:21,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:21,806 INFO L87 Difference]: Start difference. First operand 337 states and 470 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:21,965 INFO L93 Difference]: Finished difference Result 707 states and 1002 transitions. [2022-03-20 12:05:21,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:21,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-03-20 12:05:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:21,968 INFO L225 Difference]: With dead ends: 707 [2022-03-20 12:05:21,968 INFO L226 Difference]: Without dead ends: 383 [2022-03-20 12:05:21,968 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:21,969 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 188 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:21,969 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 193 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:21,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-03-20 12:05:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 375. [2022-03-20 12:05:21,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 370 states have (on average 1.3891891891891892) internal successors, (514), 370 states have internal predecessors, (514), 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 12:05:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 518 transitions. [2022-03-20 12:05:21,977 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 518 transitions. Word has length 61 [2022-03-20 12:05:21,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:21,977 INFO L478 AbstractCegarLoop]: Abstraction has 375 states and 518 transitions. [2022-03-20 12:05:21,977 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:21,977 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 518 transitions. [2022-03-20 12:05:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-20 12:05:21,978 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:21,978 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:21,978 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 12:05:21,978 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:21,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:21,979 INFO L85 PathProgramCache]: Analyzing trace with hash 414496236, now seen corresponding path program 1 times [2022-03-20 12:05:21,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:21,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381855653] [2022-03-20 12:05:21,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:21,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-20 12:05:22,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:22,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381855653] [2022-03-20 12:05:22,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381855653] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:22,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:22,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:22,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040161115] [2022-03-20 12:05:22,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:22,013 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:22,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:22,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:22,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:22,013 INFO L87 Difference]: Start difference. First operand 375 states and 518 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:22,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:22,161 INFO L93 Difference]: Finished difference Result 843 states and 1203 transitions. [2022-03-20 12:05:22,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:22,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-03-20 12:05:22,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:22,163 INFO L225 Difference]: With dead ends: 843 [2022-03-20 12:05:22,163 INFO L226 Difference]: Without dead ends: 479 [2022-03-20 12:05:22,164 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:22,164 INFO L913 BasicCegarLoop]: 173 mSDtfsCounter, 293 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:22,164 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 180 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-03-20 12:05:22,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 453. [2022-03-20 12:05:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 448 states have (on average 1.4464285714285714) internal successors, (648), 448 states have internal predecessors, (648), 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 12:05:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 652 transitions. [2022-03-20 12:05:22,174 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 652 transitions. Word has length 74 [2022-03-20 12:05:22,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:22,174 INFO L478 AbstractCegarLoop]: Abstraction has 453 states and 652 transitions. [2022-03-20 12:05:22,174 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 652 transitions. [2022-03-20 12:05:22,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-20 12:05:22,175 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:22,175 INFO L499 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:22,175 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 12:05:22,175 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:22,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash -284056342, now seen corresponding path program 1 times [2022-03-20 12:05:22,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:22,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184117215] [2022-03-20 12:05:22,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:22,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-20 12:05:22,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:22,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184117215] [2022-03-20 12:05:22,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184117215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:22,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:22,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:22,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854178894] [2022-03-20 12:05:22,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:22,208 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:22,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:22,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:22,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:22,209 INFO L87 Difference]: Start difference. First operand 453 states and 652 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 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 12:05:22,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:22,368 INFO L93 Difference]: Finished difference Result 941 states and 1364 transitions. [2022-03-20 12:05:22,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:22,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 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 12:05:22,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:22,371 INFO L225 Difference]: With dead ends: 941 [2022-03-20 12:05:22,371 INFO L226 Difference]: Without dead ends: 501 [2022-03-20 12:05:22,371 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:22,372 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 184 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:22,372 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 192 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-03-20 12:05:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 495. [2022-03-20 12:05:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 490 states have (on average 1.4285714285714286) internal successors, (700), 490 states have internal predecessors, (700), 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 12:05:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 704 transitions. [2022-03-20 12:05:22,382 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 704 transitions. Word has length 77 [2022-03-20 12:05:22,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:22,383 INFO L478 AbstractCegarLoop]: Abstraction has 495 states and 704 transitions. [2022-03-20 12:05:22,383 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 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 12:05:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 704 transitions. [2022-03-20 12:05:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-20 12:05:22,384 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:22,384 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:22,384 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-20 12:05:22,384 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:22,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:22,385 INFO L85 PathProgramCache]: Analyzing trace with hash 867065265, now seen corresponding path program 1 times [2022-03-20 12:05:22,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:22,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297378158] [2022-03-20 12:05:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:22,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-03-20 12:05:22,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:22,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297378158] [2022-03-20 12:05:22,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297378158] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:22,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:22,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:22,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202049898] [2022-03-20 12:05:22,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:22,445 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:22,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:22,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:22,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:22,445 INFO L87 Difference]: Start difference. First operand 495 states and 704 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 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 12:05:22,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:22,596 INFO L93 Difference]: Finished difference Result 995 states and 1421 transitions. [2022-03-20 12:05:22,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:22,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 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 12:05:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:22,603 INFO L225 Difference]: With dead ends: 995 [2022-03-20 12:05:22,604 INFO L226 Difference]: Without dead ends: 733 [2022-03-20 12:05:22,605 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:22,606 INFO L913 BasicCegarLoop]: 315 mSDtfsCounter, 294 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:22,606 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 322 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-03-20 12:05:22,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2022-03-20 12:05:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 728 states have (on average 1.4258241758241759) internal successors, (1038), 728 states have internal predecessors, (1038), 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 12:05:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1042 transitions. [2022-03-20 12:05:22,637 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1042 transitions. Word has length 97 [2022-03-20 12:05:22,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:22,638 INFO L478 AbstractCegarLoop]: Abstraction has 733 states and 1042 transitions. [2022-03-20 12:05:22,638 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 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 12:05:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1042 transitions. [2022-03-20 12:05:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-20 12:05:22,640 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:22,640 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:22,641 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-20 12:05:22,641 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:22,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:22,652 INFO L85 PathProgramCache]: Analyzing trace with hash -2105140516, now seen corresponding path program 1 times [2022-03-20 12:05:22,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:22,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919840929] [2022-03-20 12:05:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:22,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-20 12:05:22,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:22,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919840929] [2022-03-20 12:05:22,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919840929] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:22,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:22,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:22,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838973469] [2022-03-20 12:05:22,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:22,739 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:22,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:22,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:22,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:22,740 INFO L87 Difference]: Start difference. First operand 733 states and 1042 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 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 12:05:22,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:22,878 INFO L93 Difference]: Finished difference Result 974 states and 1388 transitions. [2022-03-20 12:05:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:22,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 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 99 [2022-03-20 12:05:22,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:22,882 INFO L225 Difference]: With dead ends: 974 [2022-03-20 12:05:22,882 INFO L226 Difference]: Without dead ends: 972 [2022-03-20 12:05:22,883 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:22,885 INFO L913 BasicCegarLoop]: 163 mSDtfsCounter, 456 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:22,885 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [456 Valid, 170 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:22,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2022-03-20 12:05:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2022-03-20 12:05:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 967 states have (on average 1.4291623578076524) internal successors, (1382), 967 states have internal predecessors, (1382), 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 12:05:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1386 transitions. [2022-03-20 12:05:22,940 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1386 transitions. Word has length 99 [2022-03-20 12:05:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:22,941 INFO L478 AbstractCegarLoop]: Abstraction has 972 states and 1386 transitions. [2022-03-20 12:05:22,941 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 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 12:05:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1386 transitions. [2022-03-20 12:05:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-20 12:05:22,942 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:22,943 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:22,943 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-20 12:05:22,945 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:22,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:22,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1291902012, now seen corresponding path program 1 times [2022-03-20 12:05:22,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:22,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086920713] [2022-03-20 12:05:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:22,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-03-20 12:05:23,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:23,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086920713] [2022-03-20 12:05:23,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086920713] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:23,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:23,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:23,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064627780] [2022-03-20 12:05:23,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:23,004 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:23,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:23,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:23,005 INFO L87 Difference]: Start difference. First operand 972 states and 1386 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 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 12:05:23,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:23,156 INFO L93 Difference]: Finished difference Result 2037 states and 2925 transitions. [2022-03-20 12:05:23,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:23,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 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 124 [2022-03-20 12:05:23,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:23,160 INFO L225 Difference]: With dead ends: 2037 [2022-03-20 12:05:23,160 INFO L226 Difference]: Without dead ends: 1078 [2022-03-20 12:05:23,161 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:23,161 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 186 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:23,162 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 192 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-03-20 12:05:23,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1064. [2022-03-20 12:05:23,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1059 states have (on average 1.4107648725212465) internal successors, (1494), 1059 states have internal predecessors, (1494), 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 12:05:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1498 transitions. [2022-03-20 12:05:23,180 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1498 transitions. Word has length 124 [2022-03-20 12:05:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:23,180 INFO L478 AbstractCegarLoop]: Abstraction has 1064 states and 1498 transitions. [2022-03-20 12:05:23,180 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (3), 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 12:05:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1498 transitions. [2022-03-20 12:05:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-03-20 12:05:23,182 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:23,182 INFO L499 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:23,182 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-20 12:05:23,182 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:23,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:23,183 INFO L85 PathProgramCache]: Analyzing trace with hash 28142000, now seen corresponding path program 1 times [2022-03-20 12:05:23,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:23,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28951106] [2022-03-20 12:05:23,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:23,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-20 12:05:23,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:23,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28951106] [2022-03-20 12:05:23,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28951106] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:23,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:23,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:23,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996945385] [2022-03-20 12:05:23,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:23,224 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:23,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:23,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:23,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:23,225 INFO L87 Difference]: Start difference. First operand 1064 states and 1498 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 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 12:05:23,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:23,394 INFO L93 Difference]: Finished difference Result 2319 states and 3319 transitions. [2022-03-20 12:05:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:23,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 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 145 [2022-03-20 12:05:23,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:23,398 INFO L225 Difference]: With dead ends: 2319 [2022-03-20 12:05:23,398 INFO L226 Difference]: Without dead ends: 1260 [2022-03-20 12:05:23,399 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:23,400 INFO L913 BasicCegarLoop]: 196 mSDtfsCounter, 222 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:23,400 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 203 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:23,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-03-20 12:05:23,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1220. [2022-03-20 12:05:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 1215 states have (on average 1.4139917695473252) internal successors, (1718), 1215 states have internal predecessors, (1718), 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 12:05:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1722 transitions. [2022-03-20 12:05:23,420 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1722 transitions. Word has length 145 [2022-03-20 12:05:23,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:23,421 INFO L478 AbstractCegarLoop]: Abstraction has 1220 states and 1722 transitions. [2022-03-20 12:05:23,421 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 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 12:05:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1722 transitions. [2022-03-20 12:05:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-20 12:05:23,423 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:23,423 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:23,423 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-20 12:05:23,423 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:23,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:23,423 INFO L85 PathProgramCache]: Analyzing trace with hash -34972528, now seen corresponding path program 1 times [2022-03-20 12:05:23,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:23,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976570971] [2022-03-20 12:05:23,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-20 12:05:23,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:23,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976570971] [2022-03-20 12:05:23,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976570971] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:23,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:23,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:23,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784771296] [2022-03-20 12:05:23,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:23,466 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:23,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:23,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:23,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:23,467 INFO L87 Difference]: Start difference. First operand 1220 states and 1722 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 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 12:05:23,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:23,655 INFO L93 Difference]: Finished difference Result 2547 states and 3571 transitions. [2022-03-20 12:05:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:23,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 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 181 [2022-03-20 12:05:23,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:23,659 INFO L225 Difference]: With dead ends: 2547 [2022-03-20 12:05:23,659 INFO L226 Difference]: Without dead ends: 1340 [2022-03-20 12:05:23,661 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:23,661 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:23,661 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2022-03-20 12:05:23,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1332. [2022-03-20 12:05:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1327 states have (on average 1.3941220798794274) internal successors, (1850), 1327 states have internal predecessors, (1850), 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 12:05:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1854 transitions. [2022-03-20 12:05:23,682 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1854 transitions. Word has length 181 [2022-03-20 12:05:23,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:23,682 INFO L478 AbstractCegarLoop]: Abstraction has 1332 states and 1854 transitions. [2022-03-20 12:05:23,682 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 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 12:05:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1854 transitions. [2022-03-20 12:05:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-20 12:05:23,684 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:23,684 INFO L499 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:23,685 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-20 12:05:23,685 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:23,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:23,685 INFO L85 PathProgramCache]: Analyzing trace with hash 245377361, now seen corresponding path program 1 times [2022-03-20 12:05:23,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:23,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861078441] [2022-03-20 12:05:23,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:23,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-03-20 12:05:23,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:23,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861078441] [2022-03-20 12:05:23,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861078441] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:23,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:23,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:23,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134938294] [2022-03-20 12:05:23,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:23,731 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:23,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:23,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:23,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:23,731 INFO L87 Difference]: Start difference. First operand 1332 states and 1854 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 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 12:05:23,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:23,897 INFO L93 Difference]: Finished difference Result 2787 states and 3871 transitions. [2022-03-20 12:05:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:23,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 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 181 [2022-03-20 12:05:23,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:23,902 INFO L225 Difference]: With dead ends: 2787 [2022-03-20 12:05:23,902 INFO L226 Difference]: Without dead ends: 1468 [2022-03-20 12:05:23,905 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:23,905 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 183 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:23,906 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 193 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:23,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2022-03-20 12:05:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1456. [2022-03-20 12:05:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1451 states have (on average 1.3742246726395588) internal successors, (1994), 1451 states have internal predecessors, (1994), 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 12:05:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1998 transitions. [2022-03-20 12:05:23,931 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1998 transitions. Word has length 181 [2022-03-20 12:05:23,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:23,931 INFO L478 AbstractCegarLoop]: Abstraction has 1456 states and 1998 transitions. [2022-03-20 12:05:23,931 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (3), 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 12:05:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1998 transitions. [2022-03-20 12:05:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-20 12:05:23,934 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:23,934 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 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] [2022-03-20 12:05:23,934 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-20 12:05:23,934 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:23,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:23,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1018474241, now seen corresponding path program 1 times [2022-03-20 12:05:23,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:23,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987985557] [2022-03-20 12:05:23,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:23,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-03-20 12:05:23,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:23,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987985557] [2022-03-20 12:05:23,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987985557] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:23,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:23,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:23,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508753549] [2022-03-20 12:05:23,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:23,988 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:23,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:23,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:23,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:23,989 INFO L87 Difference]: Start difference. First operand 1456 states and 1998 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 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 12:05:24,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:24,188 INFO L93 Difference]: Finished difference Result 4338 states and 5956 transitions. [2022-03-20 12:05:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:24,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 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 211 [2022-03-20 12:05:24,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:24,199 INFO L225 Difference]: With dead ends: 4338 [2022-03-20 12:05:24,199 INFO L226 Difference]: Without dead ends: 2895 [2022-03-20 12:05:24,203 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:24,203 INFO L913 BasicCegarLoop]: 325 mSDtfsCounter, 296 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:24,204 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 332 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:24,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2022-03-20 12:05:24,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2893. [2022-03-20 12:05:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2888 states have (on average 1.3732686980609419) internal successors, (3966), 2888 states have internal predecessors, (3966), 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 12:05:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 3970 transitions. [2022-03-20 12:05:24,302 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 3970 transitions. Word has length 211 [2022-03-20 12:05:24,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:24,302 INFO L478 AbstractCegarLoop]: Abstraction has 2893 states and 3970 transitions. [2022-03-20 12:05:24,303 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (3), 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 12:05:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3970 transitions. [2022-03-20 12:05:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-03-20 12:05:24,308 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:24,308 INFO L499 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 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] [2022-03-20 12:05:24,309 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-20 12:05:24,309 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:24,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:24,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1298824130, now seen corresponding path program 1 times [2022-03-20 12:05:24,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:24,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917285487] [2022-03-20 12:05:24,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-03-20 12:05:24,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:24,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917285487] [2022-03-20 12:05:24,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917285487] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:24,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:24,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135010416] [2022-03-20 12:05:24,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:24,376 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:24,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:24,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:24,377 INFO L87 Difference]: Start difference. First operand 2893 states and 3970 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 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 12:05:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:24,634 INFO L93 Difference]: Finished difference Result 6073 states and 8335 transitions. [2022-03-20 12:05:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:24,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 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 211 [2022-03-20 12:05:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:24,648 INFO L225 Difference]: With dead ends: 6073 [2022-03-20 12:05:24,648 INFO L226 Difference]: Without dead ends: 3193 [2022-03-20 12:05:24,656 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:24,657 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 182 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:24,658 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 193 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:24,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-03-20 12:05:24,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3177. [2022-03-20 12:05:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3172 states have (on average 1.3524590163934427) internal successors, (4290), 3172 states have internal predecessors, (4290), 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 12:05:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4294 transitions. [2022-03-20 12:05:24,760 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4294 transitions. Word has length 211 [2022-03-20 12:05:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:24,760 INFO L478 AbstractCegarLoop]: Abstraction has 3177 states and 4294 transitions. [2022-03-20 12:05:24,761 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 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 12:05:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4294 transitions. [2022-03-20 12:05:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-03-20 12:05:24,770 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:24,770 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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] [2022-03-20 12:05:24,770 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-20 12:05:24,771 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:24,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:24,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1065824251, now seen corresponding path program 1 times [2022-03-20 12:05:24,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:24,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648314363] [2022-03-20 12:05:24,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:24,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:24,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-03-20 12:05:24,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:24,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648314363] [2022-03-20 12:05:24,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648314363] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:24,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:24,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:24,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502659909] [2022-03-20 12:05:24,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:24,860 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:24,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:24,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:24,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:24,861 INFO L87 Difference]: Start difference. First operand 3177 states and 4294 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:25,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:25,088 INFO L93 Difference]: Finished difference Result 6489 states and 8767 transitions. [2022-03-20 12:05:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:25,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 235 [2022-03-20 12:05:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:25,100 INFO L225 Difference]: With dead ends: 6489 [2022-03-20 12:05:25,100 INFO L226 Difference]: Without dead ends: 3325 [2022-03-20 12:05:25,105 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:25,106 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:25,106 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:25,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2022-03-20 12:05:25,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3309. [2022-03-20 12:05:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3304 states have (on average 1.3444309927360776) internal successors, (4442), 3304 states have internal predecessors, (4442), 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 12:05:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 4446 transitions. [2022-03-20 12:05:25,191 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 4446 transitions. Word has length 235 [2022-03-20 12:05:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:25,192 INFO L478 AbstractCegarLoop]: Abstraction has 3309 states and 4446 transitions. [2022-03-20 12:05:25,192 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 4446 transitions. [2022-03-20 12:05:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-03-20 12:05:25,197 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:25,198 INFO L499 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 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] [2022-03-20 12:05:25,198 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-20 12:05:25,198 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:25,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:25,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1242927237, now seen corresponding path program 1 times [2022-03-20 12:05:25,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:25,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228360952] [2022-03-20 12:05:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:25,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-20 12:05:25,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:25,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228360952] [2022-03-20 12:05:25,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228360952] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:25,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:25,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:25,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707641330] [2022-03-20 12:05:25,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:25,247 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:25,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:25,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:25,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:25,248 INFO L87 Difference]: Start difference. First operand 3309 states and 4446 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 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 12:05:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:25,447 INFO L93 Difference]: Finished difference Result 7005 states and 9547 transitions. [2022-03-20 12:05:25,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:25,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 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 246 [2022-03-20 12:05:25,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:25,458 INFO L225 Difference]: With dead ends: 7005 [2022-03-20 12:05:25,458 INFO L226 Difference]: Without dead ends: 3709 [2022-03-20 12:05:25,464 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:25,465 INFO L913 BasicCegarLoop]: 186 mSDtfsCounter, 223 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:25,465 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 193 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:25,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3709 states. [2022-03-20 12:05:25,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3709 to 3621. [2022-03-20 12:05:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3621 states, 3616 states have (on average 1.3301991150442478) internal successors, (4810), 3616 states have internal predecessors, (4810), 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 12:05:25,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 4814 transitions. [2022-03-20 12:05:25,604 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 4814 transitions. Word has length 246 [2022-03-20 12:05:25,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:25,604 INFO L478 AbstractCegarLoop]: Abstraction has 3621 states and 4814 transitions. [2022-03-20 12:05:25,604 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (3), 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 12:05:25,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4814 transitions. [2022-03-20 12:05:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-03-20 12:05:25,609 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:25,610 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 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] [2022-03-20 12:05:25,610 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-20 12:05:25,610 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:25,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:25,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2060787207, now seen corresponding path program 1 times [2022-03-20 12:05:25,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:25,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122310678] [2022-03-20 12:05:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-20 12:05:25,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:25,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122310678] [2022-03-20 12:05:25,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122310678] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:25,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:25,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:25,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754243074] [2022-03-20 12:05:25,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:25,656 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:25,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:25,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:25,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:25,656 INFO L87 Difference]: Start difference. First operand 3621 states and 4814 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 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 12:05:25,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:25,864 INFO L93 Difference]: Finished difference Result 7637 states and 10091 transitions. [2022-03-20 12:05:25,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:25,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 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 260 [2022-03-20 12:05:25,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:25,876 INFO L225 Difference]: With dead ends: 7637 [2022-03-20 12:05:25,876 INFO L226 Difference]: Without dead ends: 4029 [2022-03-20 12:05:25,883 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:25,884 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 277 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:25,884 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 191 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:25,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2022-03-20 12:05:25,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 3741. [2022-03-20 12:05:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3741 states, 3736 states have (on average 1.326017130620985) internal successors, (4954), 3736 states have internal predecessors, (4954), 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 12:05:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 4958 transitions. [2022-03-20 12:05:25,978 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 4958 transitions. Word has length 260 [2022-03-20 12:05:25,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:25,978 INFO L478 AbstractCegarLoop]: Abstraction has 3741 states and 4958 transitions. [2022-03-20 12:05:25,979 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 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 12:05:25,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 4958 transitions. [2022-03-20 12:05:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-03-20 12:05:25,985 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:25,985 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 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] [2022-03-20 12:05:25,985 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-20 12:05:25,985 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:25,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:25,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1573739583, now seen corresponding path program 1 times [2022-03-20 12:05:25,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:25,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95616397] [2022-03-20 12:05:25,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:25,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-03-20 12:05:26,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:26,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95616397] [2022-03-20 12:05:26,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95616397] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:26,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:26,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:26,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651925493] [2022-03-20 12:05:26,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:26,047 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:26,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:26,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:26,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:26,048 INFO L87 Difference]: Start difference. First operand 3741 states and 4958 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:26,236 INFO L93 Difference]: Finished difference Result 10693 states and 14248 transitions. [2022-03-20 12:05:26,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:26,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 261 [2022-03-20 12:05:26,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:26,260 INFO L225 Difference]: With dead ends: 10693 [2022-03-20 12:05:26,261 INFO L226 Difference]: Without dead ends: 6965 [2022-03-20 12:05:26,268 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:26,269 INFO L913 BasicCegarLoop]: 316 mSDtfsCounter, 258 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:26,269 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 323 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:26,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6965 states. [2022-03-20 12:05:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6965 to 6963. [2022-03-20 12:05:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6963 states, 6958 states have (on average 1.3334291463064099) internal successors, (9278), 6958 states have internal predecessors, (9278), 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 12:05:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 9282 transitions. [2022-03-20 12:05:26,454 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 9282 transitions. Word has length 261 [2022-03-20 12:05:26,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:26,455 INFO L478 AbstractCegarLoop]: Abstraction has 6963 states and 9282 transitions. [2022-03-20 12:05:26,455 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 9282 transitions. [2022-03-20 12:05:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-03-20 12:05:26,462 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:26,463 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 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 12:05:26,463 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-20 12:05:26,463 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:26,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:26,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2124357282, now seen corresponding path program 1 times [2022-03-20 12:05:26,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:26,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271265688] [2022-03-20 12:05:26,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:26,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-03-20 12:05:26,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:26,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271265688] [2022-03-20 12:05:26,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271265688] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:26,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:26,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:26,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003057957] [2022-03-20 12:05:26,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:26,508 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:26,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:26,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:26,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:26,509 INFO L87 Difference]: Start difference. First operand 6963 states and 9282 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 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 12:05:26,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:26,727 INFO L93 Difference]: Finished difference Result 13921 states and 18539 transitions. [2022-03-20 12:05:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:26,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 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 262 [2022-03-20 12:05:26,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:26,739 INFO L225 Difference]: With dead ends: 13921 [2022-03-20 12:05:26,739 INFO L226 Difference]: Without dead ends: 6971 [2022-03-20 12:05:26,749 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:26,750 INFO L913 BasicCegarLoop]: 185 mSDtfsCounter, 181 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:26,750 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:26,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6971 states. [2022-03-20 12:05:26,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6971 to 6939. [2022-03-20 12:05:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 6934 states have (on average 1.3068935679261608) internal successors, (9062), 6934 states have internal predecessors, (9062), 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 12:05:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 9066 transitions. [2022-03-20 12:05:26,876 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 9066 transitions. Word has length 262 [2022-03-20 12:05:26,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:26,876 INFO L478 AbstractCegarLoop]: Abstraction has 6939 states and 9066 transitions. [2022-03-20 12:05:26,876 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (3), 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 12:05:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 9066 transitions. [2022-03-20 12:05:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-03-20 12:05:26,884 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:26,885 INFO L499 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:26,885 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-20 12:05:26,885 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash 631259348, now seen corresponding path program 1 times [2022-03-20 12:05:26,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:26,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972408649] [2022-03-20 12:05:26,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-03-20 12:05:26,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:26,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972408649] [2022-03-20 12:05:26,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972408649] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:26,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122300305] [2022-03-20 12:05:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:26,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:26,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:26,952 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 12:05:26,977 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 12:05:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:27,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-20 12:05:27,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-03-20 12:05:27,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:05:27,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122300305] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:27,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:05:27,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-03-20 12:05:27,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142977340] [2022-03-20 12:05:27,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:27,436 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:27,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:27,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:27,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:05:27,436 INFO L87 Difference]: Start difference. First operand 6939 states and 9066 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 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 12:05:27,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:27,598 INFO L93 Difference]: Finished difference Result 14043 states and 18356 transitions. [2022-03-20 12:05:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:27,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 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 285 [2022-03-20 12:05:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:27,610 INFO L225 Difference]: With dead ends: 14043 [2022-03-20 12:05:27,610 INFO L226 Difference]: Without dead ends: 7089 [2022-03-20 12:05:27,621 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-03-20 12:05:27,621 INFO L913 BasicCegarLoop]: 149 mSDtfsCounter, 248 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:27,621 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 233 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:27,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7089 states. [2022-03-20 12:05:27,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7089 to 6945. [2022-03-20 12:05:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6945 states, 6940 states have (on average 1.3069164265129682) internal successors, (9070), 6940 states have internal predecessors, (9070), 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 12:05:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 9074 transitions. [2022-03-20 12:05:27,738 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 9074 transitions. Word has length 285 [2022-03-20 12:05:27,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:27,738 INFO L478 AbstractCegarLoop]: Abstraction has 6945 states and 9074 transitions. [2022-03-20 12:05:27,738 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 1 states have call successors, (3), 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 12:05:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 9074 transitions. [2022-03-20 12:05:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-03-20 12:05:27,746 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:27,747 INFO L499 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:27,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-20 12:05:27,965 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,SelfDestructingSolverStorable20 [2022-03-20 12:05:27,965 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:27,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:27,966 INFO L85 PathProgramCache]: Analyzing trace with hash 223476135, now seen corresponding path program 1 times [2022-03-20 12:05:27,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:27,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597271769] [2022-03-20 12:05:27,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:27,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:28,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 12:05:28,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:28,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597271769] [2022-03-20 12:05:28,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597271769] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:28,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539192511] [2022-03-20 12:05:28,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:28,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:28,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:28,026 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 12:05:28,028 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 12:05:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:28,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:05:28,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 12:05:28,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:05:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 12:05:28,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539192511] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:05:28,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:05:28,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 12:05:28,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443100788] [2022-03-20 12:05:28,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:05:28,890 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 12:05:28,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 12:05:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:05:28,890 INFO L87 Difference]: Start difference. First operand 6945 states and 9074 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:29,640 INFO L93 Difference]: Finished difference Result 18411 states and 24440 transitions. [2022-03-20 12:05:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 12:05:29,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 298 [2022-03-20 12:05:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:29,661 INFO L225 Difference]: With dead ends: 18411 [2022-03-20 12:05:29,661 INFO L226 Difference]: Without dead ends: 11429 [2022-03-20 12:05:29,676 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-20 12:05:29,677 INFO L913 BasicCegarLoop]: 369 mSDtfsCounter, 489 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:29,678 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 386 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-20 12:05:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11429 states. [2022-03-20 12:05:29,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11429 to 9779. [2022-03-20 12:05:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9779 states, 9774 states have (on average 1.326989973398813) internal successors, (12970), 9774 states have internal predecessors, (12970), 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 12:05:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9779 states to 9779 states and 12974 transitions. [2022-03-20 12:05:29,894 INFO L78 Accepts]: Start accepts. Automaton has 9779 states and 12974 transitions. Word has length 298 [2022-03-20 12:05:29,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:29,894 INFO L478 AbstractCegarLoop]: Abstraction has 9779 states and 12974 transitions. [2022-03-20 12:05:29,894 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 9779 states and 12974 transitions. [2022-03-20 12:05:29,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-03-20 12:05:29,907 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:29,907 INFO L499 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:29,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-20 12:05:30,126 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 12:05:30,127 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:30,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:30,127 INFO L85 PathProgramCache]: Analyzing trace with hash 11559004, now seen corresponding path program 2 times [2022-03-20 12:05:30,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:30,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898847397] [2022-03-20 12:05:30,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:30,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-03-20 12:05:30,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:30,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898847397] [2022-03-20 12:05:30,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898847397] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:30,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124623288] [2022-03-20 12:05:30,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-20 12:05:30,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:30,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:30,213 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 12:05:30,252 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 12:05:30,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-20 12:05:30,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-20 12:05:30,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:05:30,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2022-03-20 12:05:30,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:05:30,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124623288] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:30,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:05:30,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 12:05:30,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635747546] [2022-03-20 12:05:30,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:30,701 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 12:05:30,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 12:05:30,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:05:30,701 INFO L87 Difference]: Start difference. First operand 9779 states and 12974 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 12:05:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:30,892 INFO L93 Difference]: Finished difference Result 16850 states and 22072 transitions. [2022-03-20 12:05:30,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 12:05:30,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 311 [2022-03-20 12:05:30,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:30,904 INFO L225 Difference]: With dead ends: 16850 [2022-03-20 12:05:30,904 INFO L226 Difference]: Without dead ends: 7090 [2022-03-20 12:05:30,917 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:05:30,917 INFO L913 BasicCegarLoop]: 170 mSDtfsCounter, 13 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:30,917 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 257 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:30,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2022-03-20 12:05:31,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 7050. [2022-03-20 12:05:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7050 states, 7045 states have (on average 1.2848828956706884) internal successors, (9052), 7045 states have internal predecessors, (9052), 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 12:05:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 9056 transitions. [2022-03-20 12:05:31,042 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 9056 transitions. Word has length 311 [2022-03-20 12:05:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:31,042 INFO L478 AbstractCegarLoop]: Abstraction has 7050 states and 9056 transitions. [2022-03-20 12:05:31,042 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 12:05:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 9056 transitions. [2022-03-20 12:05:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-03-20 12:05:31,051 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:31,051 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:31,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-20 12:05:31,271 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:31,272 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:31,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:31,272 INFO L85 PathProgramCache]: Analyzing trace with hash 250389521, now seen corresponding path program 1 times [2022-03-20 12:05:31,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:31,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965873308] [2022-03-20 12:05:31,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:31,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 12:05:31,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:31,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965873308] [2022-03-20 12:05:31,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965873308] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:31,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701792189] [2022-03-20 12:05:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:31,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:31,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:05:31,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-20 12:05:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:31,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:05:31,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-03-20 12:05:31,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-20 12:05:31,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701792189] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:31,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-20 12:05:31,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-20 12:05:31,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98928280] [2022-03-20 12:05:31,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:31,983 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 12:05:31,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:31,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 12:05:31,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:05:31,983 INFO L87 Difference]: Start difference. First operand 7050 states and 9056 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 12:05:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:32,077 INFO L93 Difference]: Finished difference Result 16087 states and 20644 transitions. [2022-03-20 12:05:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 12:05:32,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 378 [2022-03-20 12:05:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:32,093 INFO L225 Difference]: With dead ends: 16087 [2022-03-20 12:05:32,093 INFO L226 Difference]: Without dead ends: 9083 [2022-03-20 12:05:32,106 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 12:05:32,107 INFO L913 BasicCegarLoop]: 321 mSDtfsCounter, 61 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:32,107 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 12:05:32,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9083 states. [2022-03-20 12:05:32,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9083 to 9083. [2022-03-20 12:05:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9083 states, 9078 states have (on average 1.2805684071381362) internal successors, (11625), 9078 states have internal predecessors, (11625), 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 12:05:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9083 states to 9083 states and 11629 transitions. [2022-03-20 12:05:32,292 INFO L78 Accepts]: Start accepts. Automaton has 9083 states and 11629 transitions. Word has length 378 [2022-03-20 12:05:32,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:32,292 INFO L478 AbstractCegarLoop]: Abstraction has 9083 states and 11629 transitions. [2022-03-20 12:05:32,292 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 12:05:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9083 states and 11629 transitions. [2022-03-20 12:05:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-03-20 12:05:32,302 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:32,302 INFO L499 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:32,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-20 12:05:32,515 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:32,515 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:32,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:32,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1147203163, now seen corresponding path program 1 times [2022-03-20 12:05:32,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:32,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368978104] [2022-03-20 12:05:32,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:32,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:32,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 12:05:32,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:32,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368978104] [2022-03-20 12:05:32,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368978104] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:32,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227567789] [2022-03-20 12:05:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:32,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:32,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:32,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:05:32,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-20 12:05:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:32,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:05:32,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 12:05:33,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:05:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-03-20 12:05:33,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227567789] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:05:33,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:05:33,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-20 12:05:33,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429618932] [2022-03-20 12:05:33,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:05:33,445 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 12:05:33,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:33,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 12:05:33,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 12:05:33,446 INFO L87 Difference]: Start difference. First operand 9083 states and 11629 transitions. Second operand has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:33,799 INFO L93 Difference]: Finished difference Result 19686 states and 25117 transitions. [2022-03-20 12:05:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 12:05:33,800 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 380 [2022-03-20 12:05:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:33,815 INFO L225 Difference]: With dead ends: 19686 [2022-03-20 12:05:33,815 INFO L226 Difference]: Without dead ends: 10662 [2022-03-20 12:05:33,825 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-03-20 12:05:33,825 INFO L913 BasicCegarLoop]: 205 mSDtfsCounter, 480 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:33,828 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 227 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-20 12:05:33,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10662 states. [2022-03-20 12:05:34,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10662 to 9623. [2022-03-20 12:05:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9623 states, 9618 states have (on average 1.2763568309419837) internal successors, (12276), 9618 states have internal predecessors, (12276), 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 12:05:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9623 states to 9623 states and 12280 transitions. [2022-03-20 12:05:34,065 INFO L78 Accepts]: Start accepts. Automaton has 9623 states and 12280 transitions. Word has length 380 [2022-03-20 12:05:34,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:34,065 INFO L478 AbstractCegarLoop]: Abstraction has 9623 states and 12280 transitions. [2022-03-20 12:05:34,065 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 6 states have internal predecessors, (235), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 9623 states and 12280 transitions. [2022-03-20 12:05:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-03-20 12:05:34,076 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:34,076 INFO L499 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:34,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-20 12:05:34,291 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-03-20 12:05:34,292 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:34,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:34,292 INFO L85 PathProgramCache]: Analyzing trace with hash 742900883, now seen corresponding path program 1 times [2022-03-20 12:05:34,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:34,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586267173] [2022-03-20 12:05:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:34,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-03-20 12:05:34,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:34,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586267173] [2022-03-20 12:05:34,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586267173] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 12:05:34,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 12:05:34,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 12:05:34,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451264407] [2022-03-20 12:05:34,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 12:05:34,350 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 12:05:34,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:34,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 12:05:34,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 12:05:34,351 INFO L87 Difference]: Start difference. First operand 9623 states and 12280 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:34,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:34,560 INFO L93 Difference]: Finished difference Result 16901 states and 21226 transitions. [2022-03-20 12:05:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-20 12:05:34,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 419 [2022-03-20 12:05:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:34,566 INFO L225 Difference]: With dead ends: 16901 [2022-03-20 12:05:34,566 INFO L226 Difference]: Without dead ends: 3828 [2022-03-20 12:05:34,577 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 12:05:34,577 INFO L913 BasicCegarLoop]: 184 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:34,579 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 191 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-20 12:05:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2022-03-20 12:05:34,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3684. [2022-03-20 12:05:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3684 states, 3679 states have (on average 1.259853220983963) internal successors, (4635), 3679 states have internal predecessors, (4635), 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 12:05:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 4639 transitions. [2022-03-20 12:05:34,624 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 4639 transitions. Word has length 419 [2022-03-20 12:05:34,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:34,625 INFO L478 AbstractCegarLoop]: Abstraction has 3684 states and 4639 transitions. [2022-03-20 12:05:34,625 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 4639 transitions. [2022-03-20 12:05:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-03-20 12:05:34,631 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 12:05:34,631 INFO L499 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:34,631 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-20 12:05:34,631 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 12:05:34,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 12:05:34,632 INFO L85 PathProgramCache]: Analyzing trace with hash -847208518, now seen corresponding path program 1 times [2022-03-20 12:05:34,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 12:05:34,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930837319] [2022-03-20 12:05:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:34,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 12:05:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 12:05:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-20 12:05:34,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 12:05:34,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930837319] [2022-03-20 12:05:34,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930837319] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 12:05:34,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242289547] [2022-03-20 12:05:34,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 12:05:34,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 12:05:34,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 12:05:34,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 12:05:34,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-20 12:05:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 12:05:34,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-20 12:05:34,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 12:05:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-20 12:05:35,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 12:05:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-03-20 12:05:36,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242289547] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-20 12:05:36,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-20 12:05:36,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-20 12:05:36,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401600527] [2022-03-20 12:05:36,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-20 12:05:36,044 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 12:05:36,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 12:05:36,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 12:05:36,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-20 12:05:36,045 INFO L87 Difference]: Start difference. First operand 3684 states and 4639 transitions. Second operand has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:36,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 12:05:36,401 INFO L93 Difference]: Finished difference Result 3907 states and 4918 transitions. [2022-03-20 12:05:36,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 12:05:36,402 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 448 [2022-03-20 12:05:36,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 12:05:36,403 INFO L225 Difference]: With dead ends: 3907 [2022-03-20 12:05:36,403 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 12:05:36,407 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-20 12:05:36,408 INFO L913 BasicCegarLoop]: 124 mSDtfsCounter, 243 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 12:05:36,408 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 151 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 12:05:36,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 12:05:36,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 12:05:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-20 12:05:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 12:05:36,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 448 [2022-03-20 12:05:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 12:05:36,409 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 12:05:36,409 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 35.55555555555556) internal successors, (320), 8 states have internal predecessors, (320), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 12:05:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 12:05:36,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 12:05:36,411 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 12:05:36,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-20 12:05:36,633 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-20 12:05:36,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 12:05:39,714 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-20 12:05:39,714 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-20 12:05:39,714 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-20 12:05:39,714 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 12:05:39,714 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 12:05:39,714 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-20 12:05:39,714 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-20 12:05:39,714 INFO L885 garLoopResultBuilder]: At program point ssl3_connectENTRY(lines 22 557) the Hoare annotation is: true [2022-03-20 12:05:39,714 INFO L882 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-03-20 12:05:39,714 INFO L882 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2022-03-20 12:05:39,714 INFO L882 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L885 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L878 garLoopResultBuilder]: At program point L112(lines 111 525) the Hoare annotation is: (or (and (<= 12292 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 0)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point ssl3_connectFINAL(lines 22 557) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L878 garLoopResultBuilder]: At program point L216(lines 114 524) the Hoare annotation is: (or (= ssl3_connect_~blastFlag~0 0) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point ssl3_connectEXIT(lines 22 557) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2022-03-20 12:05:39,715 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L878 garLoopResultBuilder]: At program point L130(lines 126 520) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and (= ssl3_connect_~s__state~0 4368) (= ssl3_connect_~blastFlag~0 0))) [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L878 garLoopResultBuilder]: At program point L136(lines 132 518) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (= ssl3_connect_~blastFlag~0 1) (< ssl3_connect_~s__state~0 4400)) (not (<= 12292 |ssl3_connect_#in~initial_state|))) [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L878 garLoopResultBuilder]: At program point L491(lines 108 544) the Hoare annotation is: (let ((.cse7 (= 4512 ssl3_connect_~s__state~0)) (.cse3 (< 4432 ssl3_connect_~s__state~0)) (.cse5 (= 3 ssl3_connect_~s__state~0)) (.cse9 (= 4432 ssl3_connect_~s__state~0)) (.cse11 (<= 4560 ssl3_connect_~s__state~0)) (.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse10 (= ssl3_connect_~s__state~0 4416)) (.cse13 (<= 4352 ssl3_connect_~s__state~0)) (.cse14 (<= ssl3_connect_~s__state~0 4352)) (.cse15 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse8 (= ssl3_connect_~s__state~0 4528)) (.cse6 (= 2 ssl3_connect_~blastFlag~0)) (.cse12 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse16 (= 4400 ssl3_connect_~s__state~0)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse4 (<= ssl3_connect_~blastFlag~0 4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1) (and .cse6 .cse7) (and .cse1 .cse2 .cse7) (and .cse5 .cse1 .cse2 .cse4) (and .cse8 .cse1 .cse2) (and .cse0 .cse6 .cse1 .cse3) (and .cse9 .cse1 .cse2 .cse4) (and .cse10 .cse1 .cse2 .cse4) (and .cse11 .cse0 .cse6) (and .cse12 .cse5 .cse6) (and .cse13 .cse14 .cse6 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse12 .cse5 .cse2) (and .cse6 .cse9 .cse1) (and .cse11 .cse12 .cse0 .cse1 .cse2 .cse15) (and .cse1 .cse2 (= 4496 ssl3_connect_~s__state~0)) (and .cse16 .cse6 .cse1) (and .cse10 .cse6 .cse1) (and .cse1 .cse2 (= ssl3_connect_~s__state~0 4480)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse13 .cse14 .cse12 .cse1 .cse2 .cse15) (and .cse13 .cse14 .cse12 .cse6 .cse1 .cse15) (and (= ssl3_connect_~s__state~0 4368) (= ssl3_connect_~blastFlag~0 0)) (and (= ssl3_connect_~blastFlag~0 1) (= ssl3_connect_~s__state~0 4384)) (and .cse1 .cse2 (= ssl3_connect_~s__state~0 4464)) (and .cse8 .cse6) (and .cse12 .cse16 .cse1 .cse2 .cse4))) [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2022-03-20 12:05:39,716 INFO L882 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L878 garLoopResultBuilder]: At program point L142(lines 138 516) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L878 garLoopResultBuilder]: At program point L148(lines 144 514) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L882 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 12:05:39,717 INFO L878 garLoopResultBuilder]: At program point L154(lines 150 512) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2))) [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L878 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: (not (<= 12292 |ssl3_connect_#in~initial_state|)) [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L878 garLoopResultBuilder]: At program point L160(lines 156 510) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse3 (< 4432 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ssl3_connect_~blastFlag~0 4)) (and .cse0 (= 2 ssl3_connect_~blastFlag~0) .cse1 .cse3) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2 .cse3) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 12:05:39,718 INFO L878 garLoopResultBuilder]: At program point L172(lines 162 508) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:05:39,718 INFO L882 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L878 garLoopResultBuilder]: At program point L178(lines 174 504) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L878 garLoopResultBuilder]: At program point L184(lines 180 502) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1 .cse2 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0) .cse2) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2022-03-20 12:05:39,719 INFO L882 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L878 garLoopResultBuilder]: At program point L190(lines 186 500) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L878 garLoopResultBuilder]: At program point L196(lines 192 498) the Hoare annotation is: (let ((.cse0 (<= 4464 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 .cse1 (= ssl3_connect_~s__hit~0 0) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (and .cse0 .cse1 (= 2 ssl3_connect_~blastFlag~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)))) [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L882 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2022-03-20 12:05:39,720 INFO L878 garLoopResultBuilder]: At program point L202(lines 198 496) the Hoare annotation is: (let ((.cse2 (= 2 ssl3_connect_~blastFlag~0)) (.cse4 (<= ssl3_connect_~s__state~0 4560)) (.cse0 (< ssl3_connect_~s__state~0 12292)) (.cse1 (<= 4560 ssl3_connect_~s__state~0)) (.cse3 (= ssl3_connect_~s__hit~0 0)) (.cse5 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse4 .cse3 .cse5) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse5 (<= ssl3_connect_~blastFlag~0 4)))) [2022-03-20 12:05:39,721 INFO L882 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2022-03-20 12:05:39,721 INFO L882 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2022-03-20 12:05:39,721 INFO L882 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2022-03-20 12:05:39,721 INFO L882 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2022-03-20 12:05:39,721 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2022-03-20 12:05:39,721 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2022-03-20 12:05:39,721 INFO L878 garLoopResultBuilder]: At program point L205(lines 204 494) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4352)) (.cse3 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse2 (= 2 ssl3_connect_~blastFlag~0)) (.cse4 (= ssl3_connect_~s__hit~0 0)) (.cse5 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0))) (or (and .cse0 .cse1 .cse2 (= 3 ssl3_connect_~s__s3__tmp__next_state___0~0)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse0 .cse1 .cse3 .cse4 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5))) [2022-03-20 12:05:39,721 INFO L882 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L885 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2022-03-20 12:05:39,722 INFO L885 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L882 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2022-03-20 12:05:39,722 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 558 568) the Hoare annotation is: true [2022-03-20 12:05:39,723 INFO L885 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: true [2022-03-20 12:05:39,723 INFO L882 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2022-03-20 12:05:39,723 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 558 568) no Hoare annotation was computed. [2022-03-20 12:05:39,723 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 558 568) no Hoare annotation was computed. [2022-03-20 12:05:39,725 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 12:05:39,726 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 12:05:39,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 12:05:39 BasicIcfg [2022-03-20 12:05:39,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 12:05:39,762 INFO L158 Benchmark]: Toolchain (without parser) took 20630.61ms. Allocated memory was 208.7MB in the beginning and 830.5MB in the end (delta: 621.8MB). Free memory was 182.6MB in the beginning and 306.5MB in the end (delta: -123.8MB). Peak memory consumption was 514.8MB. Max. memory is 8.0GB. [2022-03-20 12:05:39,762 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 167.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 12:05:39,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.70ms. Allocated memory was 208.7MB in the beginning and 347.1MB in the end (delta: 138.4MB). Free memory was 182.4MB in the beginning and 314.1MB in the end (delta: -131.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-20 12:05:39,762 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 347.1MB. Free memory was 314.1MB in the beginning and 311.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-20 12:05:39,762 INFO L158 Benchmark]: RCFGBuilder took 535.95ms. Allocated memory is still 347.1MB. Free memory was 311.7MB in the beginning and 286.3MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-20 12:05:39,762 INFO L158 Benchmark]: IcfgTransformer took 26.90ms. Allocated memory is still 347.1MB. Free memory was 286.3MB in the beginning and 283.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 12:05:39,762 INFO L158 Benchmark]: TraceAbstraction took 19741.22ms. Allocated memory was 347.1MB in the beginning and 830.5MB in the end (delta: 483.4MB). Free memory was 282.6MB in the beginning and 306.5MB in the end (delta: -23.8MB). Peak memory consumption was 477.4MB. Max. memory is 8.0GB. [2022-03-20 12:05:39,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 167.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 285.70ms. Allocated memory was 208.7MB in the beginning and 347.1MB in the end (delta: 138.4MB). Free memory was 182.4MB in the beginning and 314.1MB in the end (delta: -131.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.52ms. Allocated memory is still 347.1MB. Free memory was 314.1MB in the beginning and 311.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 535.95ms. Allocated memory is still 347.1MB. Free memory was 311.7MB in the beginning and 286.3MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 26.90ms. Allocated memory is still 347.1MB. Free memory was 286.3MB in the beginning and 283.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 19741.22ms. Allocated memory was 347.1MB in the beginning and 830.5MB in the end (delta: 483.4MB). Free memory was 282.6MB in the beginning and 306.5MB in the end (delta: -23.8MB). Peak memory consumption was 477.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 554]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 27, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6682 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6680 mSDsluCounter, 6203 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 549 mSDsCounter, 558 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6314 IncrementalHoareTripleChecker+Invalid, 6872 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 558 mSolverCounterUnsat, 5654 mSDtfsCounter, 6314 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3424 GetRequests, 3319 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9779occurred in iteration=22, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 27 MinimizatonAttempts, 3601 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 221 NumberOfFragments, 793 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4668 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 26 FomulaSimplificationsInter, 12932 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 7540 NumberOfCodeBlocks, 7540 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 8630 ConstructedInterpolants, 0 QuantifiedInterpolants, 12805 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4257 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 36 InterpolantComputations, 24 PerfectInterpolantSequences, 28794/28933 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0) || !(12292 <= \old(initial_state))) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || ((4464 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((4352 <= s__state && blastFlag == 1) && s__state < 4400) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (12292 <= s__state && blastFlag == 0) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((s__state <= 4560 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state) && blastFlag <= 4) || ((3 == s__state && 2 == blastFlag) && s__hit == 0)) || (2 == blastFlag && 4512 == s__state)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && 4512 == s__state)) || (((3 == s__state && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || ((s__state == 4528 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256)) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4432 < s__state)) || (((4432 == s__state && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((s__state == 4416 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || ((s__s3__tmp__next_state___0 <= 4560 && 3 == s__state) && 2 == blastFlag)) || (((4352 <= s__state && s__state <= 4352) && 2 == blastFlag) && 3 == s__s3__tmp__next_state___0)) || ((s__s3__tmp__next_state___0 <= 4560 && 3 == s__state) && s__s3__tmp__new_cipher__algorithms == 256)) || ((2 == blastFlag && 4432 == s__state) && s__hit == 0)) || (((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && 4496 == s__state)) || ((4400 == s__state && 2 == blastFlag) && s__hit == 0)) || ((s__state == 4416 && 2 == blastFlag) && s__hit == 0)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && s__state == 4480)) || !(12292 <= \old(initial_state))) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4560 <= s__s3__tmp__next_state___0)) || (((((4352 <= s__state && s__state <= 4352) && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (s__state == 4368 && blastFlag == 0)) || (blastFlag == 1 && s__state == 4384)) || ((s__hit == 0 && s__s3__tmp__new_cipher__algorithms == 256) && s__state == 4464)) || (s__state == 4528 && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 4560 && 4400 == s__state) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((((((s__state <= 4560 && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state) && blastFlag <= 4) || (((s__state <= 4560 && 2 == blastFlag) && s__hit == 0) && 4432 < s__state)) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && 4432 < s__state)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || ((((4352 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((((((s__state < 12292 && 4560 <= s__state) && 2 == blastFlag) && s__hit == 0) || ((4560 <= s__state && s__state <= 4560) && 2 == blastFlag)) || ((((4560 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256)) || !(12292 <= \old(initial_state))) || ((((s__state < 12292 && 4560 <= s__state) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag == 0 || !(12292 <= \old(initial_state)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) || (s__state == 4368 && blastFlag == 0) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || ((4464 <= s__state && s__state <= 4560) && 2 == blastFlag)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || ((((4352 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4)) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) && blastFlag <= 4) || !(12292 <= \old(initial_state))) || (((4352 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((4464 <= s__state && s__state <= 4560) && s__hit == 0) && s__s3__tmp__new_cipher__algorithms == 256) || (((4464 <= s__state && s__state <= 4560) && 2 == blastFlag) && s__hit == 0)) || !(12292 <= \old(initial_state)) RESULT: Ultimate proved your program to be correct! [2022-03-20 12:05:39,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...